JVC CA-MXK1 Service Manual Download

Page: 35 / 65

MX-K1

2-5

TAPE REC SIGNAL

CD/TAPE PLAY SIGNAL

RADIO SIGNAL

Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.

AM BLOCK COIL

R356

220

D310
1SS133

R348

2.2K

Q201

2SC2785

Q101

2SC2785

VCC

IC102

BA15218

R347

R346

C210

0.082-M

C211

0.082-M

C110

0.082-M

C111

0.082-M

C112
0.0056-M

C212
0.0056-M

C329

0.01

C330

100P

R212

5.6K

R112

5.6K

C113

0.12-M

C213

0.12-M

C327

16V10

R344

R345

C328

16V47

C114

0.1-M

C214
0.1-M

C115

10V100

C109

25V4.7

C209

25V4.7

C215

10V100

C331

10V100

R204

2.2K

R104

2.2K

R105

150K

R205

150K

R109
1.2K

R110
2.2K

R103

2.2K

R209
1.2K

R203

2.2K

R206

6.8K

R106

6.8K

R210
2.2K

R349

C332

16V47

R108

10K

R208

10K

D309

1SS133

C207

25V4.7

C107

25V4.7

C102

50V1

C202

50V1

R202
6.8K

R102
6.8K

R101

39K

R201

39K

C201
100P

C101
100P

C338

0.001

L304

F.B

KTA1267Y

2SC2785

R71

3.3K

R73

R72
100K

16V47

Q317

2SC2785

C337

16V47

R359
470

C106
25V4.7

C206
25V4.7

C319

16V1000

D323

1N4001

D324

1SS133

L305
10uH

C203

50V1

C103

50V1

D311

1SS133

Q315

2SC2785

C116

50V1

R215

22K

R352

15K

R115

22K

R353

180

R350

C334
50V1

Q316

2SC2785

C216

50V1

R354

820

R355

R351

100K

R357

10K

R358

100K

C335
25V4.7

C336

50V1

D308

1SS133

L306

C343

10V1000

C108

25V4.7

L307

R113

10K

R213

10K

R114

R214

C208

25V4.7

R363
470

C341

0.01

C105

50V1

C205

50V1

C342

0.01

RIN3

RIN2

RIN1

LIN1

LIN2

LIN3

LIN4

MUXO-L

IN(L)

MUXO-R

IN(R)

BIN(R)

BOUT(R)

BIN(L)

BOUT(L)

N.C

TRE(L)

TRE(R)

DGND

SCL

SDA

CREF

AGND

ROUT

LOUT

RIN4

IC101

TDA7440D

JA302

ANT-TERMINAL

XTI

CLOCK

VCOSTOP

AM/FM

SDIN

IFIN

FMIN

VCC

GND

LPFI

LPFO

AMIN

IFCNT

LC72136

1SS133

0.022

75Khz

C51
12P

C52

12P

C53

1-TF

C54

0.0039

C56

0.01

C57

0.01

C58

0.001

L50

220uH

R61

R62

R51

R60

R68

47K

R57

R54

1.8K

R55

4.7K

R56

2.2K

R53

3.3K

R52

4.7K

R67

47K

C50

16V47

C59

10V100

1.5K

10.7MHz

R23

5.6K

R24

5.6K

R12
470K

R13

R11

R14

R18

220K

100K

C16

25V10

C28

50V0.47

C13

10V100

25V22

C17 3P

C60
0.01

C12

0.01

C10

0.01

C27

0.0022

C41

50V2.2

C40

50V2.2

CF3

CDA10.7MG1-A

5.6P

470P

0.047

KTC3194(O)

CF2

10.7MHz

47K

100K

4.7P *

C18

0.01

C19

0.01

R25

4.7K

R26

4.7K

C34

0.022

C42

0.001

C43

0.001

C62

100P

C63

100P

R65

R10

1SS133

C22

0.001

8.2P

R63

100uH

DTC114YS

DTA114YS

R64

C25

25V4.7

C15

0.022

C204

50V1

C104

50V1

C38

0.001

GND

OUT

LC1

BPF

FM-OSC

FM-RF

SVC203

C20

0.01

12P

R15

R111

10K

R211

10K

1SS133

R16

47K

100K

R66

47K

R59
10K

GND

0.047

2.2uH

10P

0.022

C14

0.022

R58

R17

KTC3195Y

R22

100K

R21

3.3K

R19

1.2K

C24

0.001

C37

0.018M

C36

0.018M

C29

50V0.22

C30

50V3.3

C39

0.001

R20

100

C65

0.022

22uH

Q301

DTA114YS

Q302

KTC3200

R307

2.2K

C307

820P

Q308

DTC144ES

R323

2.2K

R330

47K

R329

22K

R331

3.3K

HEAD SW

HALF SW

HEAD SW

REC-FWD

HALF-SW

CH1_A

CH1_B

NF1

EQ1

PREOUT1

MIX_OUT

GND1

EQSW

REC_OUT1

REC_NF1

REC_IN1

GND

CH2_A

CH2_B

REC_OUT2

NF2

EQ2

PREOUT2

A/B_SW

VCC

REC_NF2

REC_IN2

ALC

IC401

TA8189

E-HD

PB-HD

RP-HD

C502

680P

C501

680P

C402

680P

C401

680P

C503

33P

C403

33P

C404
0.018-M

C504

0.018-M

C505

10V100

C405

10V100

C407

25V4.7

C507

25V4.7

R504

100

R502

6.8K

R402

6.8K

R401

100K

R501

100K

R404

100

C325

50V2.2

R305

10K

R407

68K

R507

68K

R509

150K

R409

150K

C510

0.0033

C410

0.0033

C511

25V10

C411

25V10

C306

10V47

R306

R512

1.8K

R513

22K

R514

4.7K

R413

22K

R414

4.7K

R412

1.8K

C515
25V4.7

C415
25V4.7

Q501

2SD2144S

Q401

2SD2144S

C514

C414

1000P

PB-HD

RP-HD

C508

25V4.7

C408

25V4.7

R505

10K

R405

10K

C509

1000P

C409

1000P

C517

470P

C417

470P

R415

10K

R515

10K

L301

BIAS-COIL

C308

0.015-M

Q303

KTC3203Y

R308

10K

R311

C311

0.01M

C312

0.0068M

R310

C309

0.01

C310

16V100

Q305

DTC144ES

70uS-A

70uS-B

F-REC

HALF-A

GND

HDP-A

HALF-B

PDET-A

R-REC

SOL-A

SOL-B

M+

PDET-B

+5V

HDP-B

Q313

KTA1273Y

Q311

KTA1273Y

Q314

DTC114YS

Q312

KTC3199

Q502

2SD2144

D322

1SS133

R328

10K

R337

3.3K

R338

R334

3.3K

R336

150

R335

4.7K

C316

0.01

C314
0.01

C317

16V100

C318

25V4.7

Q309

KTA1273Y

Q310

KTC3199

D321

1SS133

R333

150

R332

4.7K

C315

0.01

R324

2.2K

R325

2.2K

R321

2.2K

R322

2.2K

R320

47K

R319

22K

MOT

SOLB

SOLA

SW5V

C305

16V100

R304

330

Q402

2SD2144

R317

4.7K

R316

10K

R516

6.8K

R416

6.8K

R418
2.2K

R518
2.2K

R417

22K

R517

22K

TPB

TPA

DETB

DETA

RECM

PBM

R301

C301

0.001

Q304

KTA1267Y

C518

0.0022

C418

0.0022

R410

1.2k

R510

1.2K

R312

C304

0.001

R303

C413

180P

C513

180P

C313

0.01

R406

6.8K

R506

6.8K

1
2
3

CN307a

1
2
3

CN307

R309

H.Cro2/L.Nor.

H.Tape A / L.Tape B

STRB

DATA

CLK

GND

Q'S

VCC

IC402

74HC4094

C326
0.01

MDATA

MCLK

LVL

R341

2.2K

R339

2.2K

R340

2.2K

C321

150P

C322

150P

C323

0.01

C320

150P

C346

10V10

BIAS

BC1

BC2

SOLA

A/B

MOT

SOLB

RPHD

FTU
MPX
AHB
EXCE
SDO
SDI
SCK
TUCE
XRST
FCD

MOMU

REST

SUBQ

MLD

SQCK
VCK
VDATA

OPSW

CLSW

UPSW

DWSW

DCNT

OPN

TPSW

CLS

CCW

CNTT

CN305

1
2
3
4
5
6
7
8
9

10
11

CN303

A.GD

R.OUT

B.CTRL

MGND

SFTY

CDA.GND

D.GND

5V6

L .OUT

TUGND

C61

100P

D50

1SS133

D51

1SS133

R69

47K

R70

47K

AM_RFIN

REG.

AM_OSC

VCC_1

FM_MIXOUT

GND_1

IF_BUFFER

ST_IND

AM_MIXOUT

FM_IFIN

AM_IFIN

AGC

FM_DET

ST/MON_SW

AM/FM_SW

L_OUT

R_OUT

MPX_IN

DET_OUT

FM_OSC

VCC _2

FM_RFOUT

GND_2

FM_RFIN

LA1823

CCW

CLS

OPN

MLD

CD+5V

D.GND

OUT.L

A.GND

OUT.R

M.GND

M+9V

Q319
KTA1267Y

FLAME GND

R.CH.

L.CH.

R.CH.

L.CH.

TAPE.A

TAPE.B

R364

15K

C324

10V100

D312

1SS133

(PORT EXTENSION)

D313

1SS133

R365

3.3K

R366

6.8K

SW5V

MPX

TUCE

SDO

SCK

SDI

FTU

A/B

BIAS

RPHD

BC1

RECM

PBM

DETB

DETA

TPA

TPB

FCD

OPSW

CLSW

UPSW

DWSW

DCNT

TPSW

OPN

CLS

CCW

CNTT

RECM

PBM

TPA

TPB

DETA

DETB

LVL

MCLK

MDATA

SW5V

SQCK

SUBQ

MLD

MOMU

REST

FCD

XRST

TUCE

SCK

SDI

SDO

EXCE

AHB

MPX

VCK
VDATA
STAT
BLKCK

BC1

RPHD

A/B

EXCE

SD0

SCK

FTU

BIAS

VCK

VDATA

AHB

LVL

D10

1SS133

SW5V

Q318

DTC114YS

Q321
DTC114YS

D314

1SS133

R361

22K

R374

22K

BLKCK

STAT

SW5V

GCTL

JA301

D307

MTZ5.1J

AM IFT

TO CD SCH.SECTION

Q403

2SC2785

Q404

2SC2785

Q504

2SC2785

Q503

2SC2785

Q505

2SC2785

Q322

DTA114YS

R373

2.2K

R423

2.2K

R371

22K

Q324

DTA114YS

Q325

DTC114YS

C303

50V2.2

R523

2.2K

R422

R522

Q323
DTA114YS

R372

22K

R521

R421

C345

0.01

R27

C11

0.047

FLAME GND

1
2
3
4
5
6
7
8

CN308

1
2
3
4
5
6
7
8

CN308a

C44

10P

R76

10K

R75

C67

0.01

R74

33-1/4W UNF.F

R362

2.2-1/4W UNF.F

L-Tape.A /H-Tape.B

C339

0.01

SW5V

Q327

KTA1267Y

R368

47K

R367

10K

R369

47K

CN301
FFC-21P

CN302

FFC-20P

R370

D325

1SS133

C71

0.001

C70

0.001

C23

0.01

FLAME GND

C371

0.01

D326

1SS133

D327

1SS133

TO CONTROL PWB

TO POWER PWB

TO CTRL PWB

To A-4 on page 2-7

To A-5 on page 2-7

To I-6 on page 2-6

To A-5 on page 2-8

To I-2, I-3
on page 2-6

To I-6
on page 2-6

To I-6, I-7
on page 2-6

TO CD SCH.SECTION

Head AMP, tuner and audio section

Standard schematic diagrams

XRST

MOMU

STAT
REST

BLKCK

GCTL

SQCK
SUBQ

CNTT

TPSW

DCNT

DWSW

UPSW

CLSW

OPSW

MCLK

MDATA

Summary of Contents for CA-MXK1

Page 1: ... ON STANDBY PHONES REPEAT PROGRAM RANDOM STOP REC START DUBBING REC START CD CLOCK TIMER TAPE A B DISC SKIP EJECT PLAY A REC PLAY B CD CONTROL CD 1 A U X F M A M C D T A P E CD 2 CD 3 CD R RW PLAYBACK VCD NUMBER RETURN PBC MAX MIN MIC MIC VOL CANCEL SET 1 BIT DUAL D A CONVERTER PRESET TUNNIG DEMO COMPU PLAY CONTROL ACTIVE BASS EXTENSION FULL LOGIC CONTROL CD SYNCHRO RECORDING EJECT R O C K CLASSIC...

Page 2: ...et screw heads headphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particularly any exposed metal part having a return path to th...

Page 3: ...laserstrålning är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle Älä katso säteeseen ADVARSEL Usynlig laserstråling ved åbning når sikkerhedsafbrydere er ude af funktion Undgå udsættelse for stråling ADVARSEL Usynlig laserstråling ved åpning når sikkerhetsbryteren er avslott unngå utsettelse...

Page 4: ...optical pickup The tester s internal power source can easily destroy the laser diode 4 Handling the CD changer unit optical pickup 1 Do not subject the CD changer unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement procedure in the t...

Page 5: ...ette deck mechanism Removing the earphone jack PCB Removing the control FL PCB Removing the switch PCB and ACTIVE BASS EX switch PCB Removing the cassette deck main motor and replacing the main belts Removing the leaf switches of the cassette deck mechanism Removing the cassette deck heads Chassis unit Removing the 3 pin regulator Removing the power amp and supply PCB and the Power Trans PCB Comme...

Page 6: ...ve the top cover Also remove the rear panel See Fig 33 Remove the screw A from the bracket that retains the power IC Remove the solder fixing the power IC Replacing the power IC See Fig 2 and 3 Fig 3 Fig 2 Disassembly of the main blocks of this set Replacement of the fuses and the power IC A Heat sink Power amp and supply PCB Fuse F951 1A 250V Power trans PCB Fuse F952 1 6A 250V Chassis Power amp ...

Page 7: ...move the six screws B that retain the top cover from the rear of the body Remove the four screws C that retain the top cover from the two sides of the body Remove the top cover from the body by lifting it toward the rear Fig 5 B B B Top cover Front panel assembly C ...

Page 8: ...onnectors CN307 and CN308 on the main PCB which is located below the CD changer unit Disconnect the card wires from the connectors CN301 CN302 and CN305 on the main PCB Disconnect the parallel wires from the connectors CN902A CN902B and CN902C on the power amp and supply PCB From the rear of the set remove the two screws D retaining the CD changer unit then remove the three screws E and the screw ...

Page 9: ...the front panel assembly onto the bottom of the body Remove the screw H retaining the cassette deck mechanism and then remove the GND lug b that comes from the power amp and supply PCB Remove the solder connecting the wire on the control FL PCB Disengage the claws c on both sides at the bottom of the front panel assembly and then remove the assembly Removing the front panel assembly See Fig 10 and...

Page 10: ...the screw with the washer J that retain the main PCB should be removed Remove the main PCB by pulling it toward the side where the CN601 is located Using solder short the CD pickup to connect to short round Disconnect the card wire from the connector CN601 on the main PCB and then remove the main PCB Removing the main PCB See Fig 12 and 13 Fig 13 Disassembly of units and assembly inside this set C...

Page 11: ...sm assembly Remove the two screws K retaining the CD changer mechanism assembly Removing the CD changer mechanism assembly See Fig 14 to 16 Fig 16 Fig 15 Caution When replacing the CD changer mechanism assembly be sure not to mistake the positions of the red and blue dampers Note When re assembling after the disassembly work apply bonding agent on the spring to prevent it from slipping off Spring ...

Page 12: ... unit 1 2 3 4 5 6 Remove the two screws M retaining the stopper brackets on both sides of the CD changer unit Remove the stopper brackets from both sides of the CD changer unit Pull out the CD tray from the CD changer unit all the way and then lift the tray upward to remove Turn the CD tray upside down and remove the tray rotor belt from the pulley Turn the CD tray upside down and disconnect the c...

Page 13: ...e the CD changer unit Also remove the front panel assembly 1 Remove the screw with the washer P that retains the earphone jack PCB from the back of the front panel assembly Removing the earphone jack PCB See Fig 22 Prior to performing the following procedure remove the top cover Also remove the CD changer unit 1 Remove the three screws Q that retain the control FL PCB from the back of the front pa...

Page 14: ...ining the volume knob shaft Remove the three screws Q retaining the control FL PCB from the back of the front panel assembly Remove the control FL PCB Remove the eleven screws R retaining the switch PCB Remove the two screws S retaining the ACTIVE BASS EX switch PCB Removing the switch PCB and ACTIVE BASS EX switch PCB See Fig 23 to 26 Fig 25 Fig 26 R R S ACTIVE BASS EX switch PCB Switch PCB Volum...

Page 15: ...gths of the cassette A playback only and cassette B record play main belts are different When attaching the main belts use the longer belt for cassette A Prior to performing the following procedures remove the top cover Also remove the CD changer unit Also remove the front panel assembly 1 2 3 4 5 Remove the five screws O that retain the cassette deck mechanism Remove the cassette deck mechanism T...

Page 16: ...he head Loosen the screw V that retains the head Hold the head and slide it in the direction of the arrow to remove it Removing the cassette deck heads See Fig 21 and 30 Fig 31 Fig 32 Prior to performing the following procedures remove the top cover Also remove the rear panel See Fig 33 1 2 Remove the screw W that retains the bracket holding the 3 pin terminal regulator Remove the solder fixing th...

Page 17: ...1 on the power amp and supply PCB Remove the three screws Z retaining the heat sink onto the bottom of the chassis Remove the screw AA that retain the power amp and supply PCB and then remove the assembly Remove the clamp of AC power cord from the chassis Remove the four screws AB that retain the power trans PCB and then remove the assembly Removing the power amp and supply PCB and the power trans...

Page 18: ...quency Range AM 531kHz 1710kHz FM 87 5MHz 108MHz Standard measurement positions of volume and switch Power Standby Light STANDBY Indicator S A BASS OFF Sound mode OFF Main VOL 0 Minimum Travers mecha set position Disc 1 Mic MIX VOL MAX ECHO OFF Precautions for measurement 1 Apply 30pF and 33kohm to the IF sweeper output side and 0 082 F and 100kohm in series to the sweeper input side 2 The IF swee...

Page 19: ...il L301 Use the High Impedance Probe for Frequency counter input Cassette Head Azimuth Alignments Recording Bias Frequency Alignment Items Measurement conditions Measurement method Standard values Adjusting positions OSC coil adjustment 1 Set the Signal Generator signal to 530KHz the feed to Loop Antenna 2 Receiving the signal and the adjust the OSC coil L2 obtain the V T is 1 40V 0 05V Antenna co...

Page 20: ...Automatic measurement of TE amplitude and automatic tuning of TE balance 500mv div 2ms div Fig 1 Approx 3sec pin 20 of IC611 TE Approx 1 8V VREF Tracking error waveform at TOC reading Power ON Play Key Confirm that the Focus error S cuve signal at the pin32 of IC601 is approx 2Vp p Confirm that the signal from pin24 IC601 is 0V as a accelerated pulse during approx 400ms Confirm the waveform of the...

Page 21: ... of the laser diode has expired the following symptoms will appear 1 The level of RF output EFM output ampli tude of eye pattern will below Is the level of RFOUT under 1 25V 0 22Vp p Replace it NO YES O K 3 Semi fixed resistor on the APC PC board The semi fixed resistor on the APC printed circuit board which is attached to the pickup is used to adjust the laser power Since this adjustment should b...

Page 22: ...necting terminal for HPF Amp 10 3TOUT O 3 TENV output terminal 11 CBOO I Capacitor connecting terminal for envelope detection on the darkness side 12 BDO O BDO output terminal 13 COFTR I Capacitor connecting terminal for envelope detection on the light side 14 OFTR O OFTR output terminal 15 NRFDET O NRFDET output terminal 16 GND Ground 17 VREF O VREF output terminal 18 VDET O VDET output terminal ...

Page 23: ...OUT2 O CH2 positive output 5 IN2 I CH2 input 6 IN1 I CH1 input 7 VCC Power supply terminal 8 VCC Power supply terminal 9 REG I I Regulator current detection terminal 10 REG B O Connect to base terminal of external transistor 11 REG OUT O Constant voltage output Connect to collector terminal of external transistor 12 IN3 R I CH3 reverse input 13 IN3 F I CH3 forward input 14 OUT3 O CH3 positive outp...

Page 24: ...oltage input terminal 13 FM_DET O FM detection signal output 14 ST MON_SW I Stereo Monaural switching signal input 15 AM FM_SW I AM FM switching signal input 16 L_OUT O Output L channel 17 R_OUT O Output R channel 18 MPX_IN I Multiplex signal input 19 DET_OUT O AM FM detection output 20 FM_OSC FM local oscillation circuit 21 VCC_2 Power supply terminal 22 FM_RFOUT O Output of FMRF signal 23 GND_2 ...

Page 25: ... Open state after the power on reset Input output port Input output port Data input output Function IF counter signal input IF signal output Not use AM Local OSC signal output FM Local OSC signal input Power supply VDD 4 5 5 5V When power ON Reset circuit move PLL charge pump output H Local OSC frequency Height than Reference frequency L Low Agreement Height impedance Output for active lowpassfilt...

Page 26: ...nal for recording amp 16 REC_OUT2 O Output for recording amp 17 CG O Charge detection terminal 18 VCC Power supply terminal 19 A B_SW I REC amp Select switch A cassette B cassette 20 PREOUT2 O Output terminal for playback amp 21 EQ2 O Metal output for playback amp 22 NF2 I NF terminal for playback amp 23 CH2_B I Input for playback amp Ch2 B cassette REC PB 24 CH2_A I Input for playback amp Ch2 A c...

Page 27: ...CC OE Q5 Q6 Q7 Q8 Q S QS Ø Ø Ø Ø Ø Ø ØS D LATCH F F 2 SI D Q Q 3 CK Ø Ø 1 ST 15 OE Q ØS Q D Ø Ø F F ØS ØS D Q ØS ØS LATCH 4 Q1 5 Q2 D Q Q Ø Ø F F D Q ØS ØS LATCH 6 Q3 D Q Q Ø Ø F F D Q ØS ØS LATCH 7 Q4 D Q Q Ø Ø F F D Q ØS ØS LATCH 14 Q5 D Q Q Ø Ø F F D Q ØS ØS LATCH 13 Q6 D Q Q Ø Ø F F D Q ØS ØS LATCH 12 Q7 D Q Q Ø Ø Ø Ø F F D Q ØS ØS LATCH 11 Q8 QS 9 Q S 10 ...

Page 28: ...UT MULTIPLEXER GAIN BASS BIN L BASS SPKR ATT RIGHT BOUT R BIN R SUPPLY CREF AGND VS 27 4 5 6 7 3 2 1 28 21 22 20 26 24 25 10 11 19 12 13 23 8 9 18 14 15 RB RB VREF 2 Block diagram LIN3 LIN4 MUXO L IN L MUXO R BIN R IN R BOUT R BIN L 1 3 2 4 5 6 7 8 9 BOUT L N C N C TRE R TRE L SCL SDA DGND CREF 23 22 21 20 19 17 18 16 15 10 11 12 13 14 28 27 26 25 24 RIN3 RIN2 RIN1 LIN1 LIN2 VS AGND ROUT LOUT RIN4...

Page 29: ...rive signal Servo error signal output Kick pulse output Tracking drive output Focus drive output Reference voltage for D A output block Focus balance adjust signal output Tracking balance adjust signal output Focus error signal input Analog input Tracking error signal input Analog input RF envelope signal input Analog input Vibration detect signal input H Detect Off track signal input H Off track ...

Page 30: ...3 12 11 10 9 8 7 6 5 4 3 2 1 VSS OUT OUTPUT VDD OUT N C N C MUTE STAND BY VSS PRE VDD PRE BOOST N C IN MUTE IN IN STAND BY GND Top view BOOST OUTPUT VDD PRE VSS PRE IN IN BOOTSTRAP BIPOLAR TRANSCONDUCTANCE INPUT STAGE MDS GAIN LEVEL SHIFTING STAGE MOS OUTPUT STAGE SHORT CIRCUIT PROTECTION ...

Page 31: ...Printed in Japan 200105 S No 20942 MX K1 VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK B U 10 1 1Chome Ohwatari machi maebashi city 371 8543 Japan ...

Page 32: ...et screw heads headphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particularly any exposed metal part having a return path to th...

Page 33: ...le pos P C B Ass y Turn Table motor Parallel wire Tray SW P C B Ass y Disc count P C B Ass y Pick up SW P C B Ass y Active bass EX Switch P C B Ass y W603 W606 Switch P C B Ass y Control FL P C B Ass y FL TUBE Power trans P C B Ass y Head phone P C B Ass y Parallel wire Card wire Parallel wire Card wire Card wire CN901 1 CN603 Color codes are shown below 1 Brown 2 Red 3 Orange 4 Yellow 5 Green 6 B...

Page 34: ...702 FL display CN101 CN901 CN701 VCK VDATA SCK SDI SDO TUCE Block diagram AUX IN JA301 ANT TERMINAL JA302 A cassette B cassette Q403 Q404 Q503 Q504 16 9 REC L REC R CH2_B CH1_B REC_OUT2 REC_OUT1 CH2_A CH1_A PREOUT2 PREOUT1 20 5 REC_IN2 REC_IN1 14 11 A B RPHD 19 19 A B_SW SOLA SOLB MOT DM DM TM TM T T F F DCNT TPSW UPSW DWSW CLSW OPSW CW CCW CNTT ARF RFENV BDO OFT RFDET FOD TRD KICK TRV TVD ECM ECS...

Page 35: ...K R509 150K R409 150K C510 0 0033 C410 0 0033 C511 25V10 C411 25V10 C306 10V47 R306 1M R512 1 8K R513 22K R514 4 7K R413 22K R414 4 7K R412 1 8K C515 25V4 7 C415 25V4 7 Q501 2SD2144S Q401 2SD2144S C514 1000P C414 1000P PB HD RP HD C508 25V4 7 C408 25V4 7 R505 10K R405 10K C509 1000P C409 1000P C517 470P C417 470P R415 10K R515 10K L301 BIAS COIL C308 0 015 M Q303 KTC3203Y R308 10K R311 12 C311 0 0...

Page 36: ... 33K C649 50V10 R666 1K R665 18K R662 5 6K R663 5 6K R664 18K Q602 DTC114YS R670 390K R671 8 2K C603 0 0022 R604 1K C602 0 0022 R603 1K OPSW CLSW UPSW DWSW DCNT TPSW OPN CLS CCW CW CNTT MLD REST XRST MOMU STAT MCLK MDATA SQCK SUBQ OUT R A GND OUT L M 8V D GND CD 5V M GND C604 2200P SW5V CCW CW CNTT OPN CLS CCW CW CNTT UPSW DWSW CLSW OPSW OPSW CLSW UPSW DWSW DCNT TPSW DCNT TPSW SQCK SUBQ MLD XRST M...

Page 37: ...6 7 8 9 10 FW701 1 2 3 4 5 6 7 8 9 10 FW701 R1064 12K SMUTE PCNT SPK PRT INH SFTY ACSW FTU LVL MPX AHB SDO SDI SCK TUCE XRST FCD REST MOMU MLD SUBQ SQCK VCK VDAT RDCK RDDI OPSW CLSW UPSW DWSW DCNT TPSW OPN CLS CCW CW CNTT RECM PBM TPA TPB EXCE MCLK MDATA KOK ECHO AHB RECM PBM KOK ECHO OPN CLS CW CCW CNTT OPSW CLSW UPSW DWSW DCNT TPSW REST PCNT FTU FCD SPK SUBQ SQCK SDO SDI SCK TPA TPB LVL SFTY ACS...

Page 38: ...7K R227 1 2K R223 56K C217 100P C219 27P C216 100P C222 0 1 M C223 0 1 M C221 50V22 C218 50V47 C323 50V10 D301 1N4002 Q205 R222 4 7K R135 R235 R236 R136 Q105 R237 R137 Q204 KTC3199 Q104 KTC3199 R122 4 7K R327 EP901 R120 3 3K R220 3 3K R133 R233 R319 R321 R320 R323 R322 C326 C327 Q308 Q309 Q307 D310 D201 NOMT D101 NOMT C325 R318 R325 CJ9029 18 0200A R132 0 R232 0 0V 0V 0V 0V 0V 16 87V 34 3V 34 3V 8...

Page 39: ... assurance parts When replacing those parts make sure to use the specified one F951 1A 250V F952 1 6A 250v 1 2 3 4 5 6 7 8 9 FW951 AC PLUG R951 3 3M 1 2W J C Version 120V 60Hz 11 5 13 14 15 8 10 2 9 12 16 6 T951 EI 66 Power transformer section To I 3 on page 2 8 ...

Page 40: ...6 5 4 3 2 1 B C D E F G H I J A 7 MX K1 2 10 MX K1 Main circuit board TRAY SW PCB PICK UP SW PCB TURN TABLE MOTOR PCB MAIN PCB DISC COUNT PCB TABLE POS PCB Printed circuit boards ...

Page 41: ...6 5 4 3 2 1 B C D E F G H I J A 7 MX K1 2 11 Control FL and Switch circuit board ACTIVE BASS EX SWITCH PCB CONTROL FL PCB HEAD PHONE PCB SWITCH PCB ...

Page 42: ...6 5 4 3 2 1 B C D E F G H I J A 7 MX K1 2 12 MX K1 Power amp and Power supply circuit board ...

Page 43: ...MX K1 2 3 6 5 4 3 2 1 B C D E A 7 Power trans circuit board 2 13 ...

Page 44: ...MX K1 2 4 MEMO 2 14 ...

Page 45: ...MX K1 2 5 2 15 MEMO ...

Page 46: ...able as service parts Contents Exploded view of general assembly and parts list Cassette mechanism assembly and parts list CD mechanism assembly and parts list Electrical parts list Packing materials and accessories parts list MX K1 3 2 3 5 3 6 3 9 3 19 Area suffix J U S A C Canada ...

Page 47: ...MX K1 3 2 A B C 1 2 3 4 5 Exploded view of general assembly and parts list Block No M M M 1 54 ...

Page 48: ...19A ASS 22 GJ560530200101 BOTTOM CASE 1 23 GJ4B05315001E0 CD FITTING 1 24 GJ727450540503 SOLDER TAG 1 25 GJ336660190013 POWER TRANS A 1 AC120V 60HZT951 26 AC POWER PCB 1 ASS Y 27 GJ780000180100 HEAT SINK 1 28 POWER AMP PCB 1 29 GJ560170100101 BRACKET A 1 30 GJ560170110101 BRACKET B 1 31 GJ780000340100 HEAT SINK 1 32 MAIN PCB 1 33 GJ560170040101 PCB BRACKET 1 34 CD CHANGER UNIT 1 910 EXLM75 03 35 G...

Page 49: ...ption Block No M1MM 49 GJ703260800100 SPECIAL SCREW 1 TT 2 6X8 D10 B 50 GJ702264400610 SCREW 4 TT 4X6 PW 8 TY 51 GJ703300802000 SCREW 1 TT3X8 D 12 BW 52 GJ702244301050 SCREW 2 TT 3X10 BV TYP 53 GJ735000040003 INSULATOR 1 54 GJ350162001119 POWER CORD A 1 General aasembly ...

Page 50: ...No CMAT6Z216A or CMAT6Z219A for Cassette Mechanism Assembly Unit L SIDE TYPE R SIDE TYPE Item Parts number Parts name Area A Parts list Cassette mechanism Q ty Description Block No M2MM 1 F513 858 PLATE HD BLK 1 2 F525 338 MTR MAIN BLK 1 3A PCB CONTROL BLK 1 CMAT6Z216A 3B PCB CONTROL BLK 1 CMAT6Z219A 4 UE20P 12 LEAF SWITCH 5 CMAT6Z216A UE20P 12 LEAF SWITCH 3 CMAT6Z219A 5 F522 063 CLUTCH ASSY BLK 2...

Page 51: ...k No M M M 3 20 20 20 40 62 61 35 57 55 54 34 47 49 19 19 19 19 62 66 62 67 59 58 46 46 45 48 48 44 44 16 63 64 38 37 39 56 65 14 19 18 62 42 26 23 22 6 3 33 14 14 13 12 33 33 36 32 30 31 4 10 5 7 8 9 59 58 21 1 60 11 15 43 43 24 27 25 17 41 50 52 51 29 2 2 28 ...

Page 52: ...1 GJ4A04300101A1 TURRETTO 1 22 GJ700263261042 SCREW 1 2 6 X 10 BLACK 23 GJ560430050101 BLIND SHEET 1 24 GJ729421400300 WASHER 1 4 X 14 X 0 3T 25 GJ711001620100 SPRING 1 CHANGER GEAR 26 GJ4D04300701A1 CHANGER GEAR 1 27 GJ721311000500 WASHER 1 3 1 X 10 X 0 5T 28 GJ4B04301201A2 MAINCHASSIS 1 29 GJ381020310004 MOTOR 2 TRAY MOTOR 30 GJ4L04301901A1 SLIDE GEAR 1 31 GJ4D04300401A1 GEAR PULLEY A 1 32 GJ560...

Page 53: ...SWITCH PWB 1 TURN TABLE 55 SWITCH PWB 1 TRAY SWITCH 56 SWITCH PWB 1 DISC COUNT 57 SWITCH PWB 1 PICK UP 58 GJ302237001 RUBBER CUSHION 1 59 GJ302237011 RUBBER CUSHION 1 60 GJ4O04302101A1 MECHA BASE 1 61 GJ390170021204 SWITCH DIRECT 1 62 GJ700264261840 SCREW 1 63 GJ711001650100 SPRING 1 64 GJ711001660100 SPRING 1 65 GJ560533800101 SHIELD RING 1 66 EXL M71 03 CD MECHA UNIT 1 67 OPTIMA 7B PICK UP ASS Y...

Page 54: ...PACITOR 25V VX M 4 7UF C 107 GJ270144750310 E CAPACITOR 25V VX M 4 7UF C 108 GJ270144750310 E CAPACITOR 25V VX M 4 7UF C 109 GJ270144750310 E CAPACITOR 25V VX M 4 7UF C 110 GJ283108232415 P CAPACITOR 50V K 0 082UF C 111 GJ283108232415 P CAPACITOR 50V K 0 082UF C 112 GJ283105622415 P CAPACITOR 50V K 0 0056U C 113 GJ283101242415 P CAPACITOR 50V K 0 12UF C 114 GJ283101042415 P CAPACITOR 50V K 0 1UF C...

Page 55: ...PACITOR 50V B K 330PF C 626 GJ116259621 C CAPACITOR 25V F Z 0 022UF C 627 GJ116221121 C CAPACITOR 50V SL J 33PF C 628 GJ283112732432 P CAPACITOR 100V K 0 027UF C 629 GJ111067121 C CAPACITOR 47000PF F Z 50V C 630 GJ116230221 C CAPACITOR 16V X M 0 0022U C 631 GJ270112270310 E CAPACITOR 10V VX M 220UF C 632 GJ283112732432 P CAPACITOR 100V K 0 027UF C 633 GJ282031032415 M CAPACITOR 50V J 0 01UF C 635 ...

Page 56: ...312030111210 TRANSISTOR KTC3199TPGR Q 319 GJ312011231210 TRANSISTOR KTA1267Y Q 321 GJ872990437 TRANSISTOR DTC114YS Q 401 GJ872992241 TRANSISTOR 2SD2144STPUVW Q 402 GJ872992241 TRANSISTOR 2SD2144STPUVW Q 501 GJ872992241 TRANSISTOR 2SD2144STPUVW Q 502 GJ872992241 TRANSISTOR 2SD2144STPUVW Q 601 GJ312011231210 TRANSISTOR KTA1267Y Q 602 GJ872990437 TRANSISTOR DTC114YS R 1 GJ250031522199 CARBON RESISTOR...

Page 57: ...SISTOR 1 4WM J 1K R 339 GJ250032222199 CARBON RESISTOR 1 4WM J 2 2K R 340 GJ250032222199 CARBON RESISTOR 1 4WM J 2 2K R 341 GJ250032222199 CARBON RESISTOR 1 4WM J 2 2K R 344 GJ250031022199 CARBON RESISTOR 1 4WM J 1K R 345 GJ250031022199 CARBON RESISTOR 1 4WM J 1K R 346 GJ250034702199 CARBON RESISTOR 1 4WM J 47 R 347 GJ250031022199 CARBON RESISTOR 1 4WM J 1K R 348 GJ250032222199 CARBON RESISTOR 1 4...

Page 58: ...649 GJ250032292199 CARBON RESISTOR 1 4WM J 2 2 R 650 GJ250034722199 CARBON RESISTOR 1 4WM J 4 7K R 651 GJ250032732199 CARBON RESISTOR 1 4WM J 27K R 652 GJ250031222199 CARBON RESISTOR 1 4WM J 1 2K R 653 GJ250031222199 CARBON RESISTOR 1 4WM J 1 2K R 654 GJ250031232199 CARBON RESISTOR 1 4WM J 12K R 655 GJ250032432199 CARBON RESISTOR 1 4WM J 24K R 656 GJ250032722199 CARBON RESISTOR 1 4WM J 2 7K R 657 ...

Page 59: ...9 CARBON RESISTOR 1 4WM J 220K R 703 GJ250032242199 CARBON RESISTOR 1 4WM J 220K R 704 GJ250031032199 CARBON RESISTOR 1 4WM J 10K R 705 GJ250031032199 CARBON RESISTOR 1 4WM J 10K R 706 GJ250031032199 CARBON RESISTOR 1 4WM J 10K R 707 GJ250031022199 CARBON RESISTOR 1 4WM J 1K R 709 GJ250031022199 CARBON RESISTOR 1 4WM J 1K R 710 GJ250031022199 CARBON RESISTOR 1 4WM J 1K R 711 GJ250031022199 CARBON ...

Page 60: ...212199 CARBON RESISTOR 1 4WM J 820 R1012 GJ250031022199 CARBON RESISTOR 1 4WM J 1K R1013 GJ250031522199 CARBON RESISTOR 1 4WM J 1 5K R1014 GJ250032222199 CARBON RESISTOR 1 4WM J 2 2K R1015 GJ250032722199 CARBON RESISTOR 1 4WM J 2 7K R1017 GJ250036812199 CARBON RESISTOR 1 4WM J 680 R1018 GJ250036812199 CARBON RESISTOR 1 4WM J 680 R1019 GJ250038212199 CARBON RESISTOR 1 4WM J 820 R1020 GJ250031022199...

Page 61: ...CT SWITCH REC S1026 GJ390110181120 TACT SWITCH DUBBING S1027 GJ390110181120 TACT SWITCH CD REC S1028 GJ390110181120 TACT SWITCH REPEAT S1029 GJ390110181120 TACT SWITCH PROGRAM S1030 GJ390110181120 TACT SWITCH RANDOM S1031 GJ390110181120 TACT SWITCH DISPLAY S1032 GJ390110181120 TACT SWITCH PTY EON S1033 GJ390110181120 TACT SWITCH SELECT S1034 GJ390110181120 TACT SWITCH SELECT X 701 GJ362000370001 X...

Page 62: ...IODE MTZJT7712C D 913 GJ310030015805 DIODE MTZJT7711B D 915 GJ310030012705 DIODE MTZJT776 8B D 921 GJ310020010108 DIODE A 1N5401 D 922 GJ310020010108 DIODE A 1N5401 D 923 GJ310020010108 DIODE A 1N5401 D 924 GJ310020010108 DIODE A 1N5401 IC101 GJ313070411018 IC TDA7295 IC201 GJ313070411018 IC A TDA7295 J 303 GJ342020150913 JACK 4PINS RED BLACK Q 104 GJ312030111210 TRANSISTOR KTC3199TP Q 204 GJ31203...

Page 63: ...53090190107 CABLE FLAT CABLE FLAT 9PIN HF951 GJ153321741 FUSE HOLDER HF952 GJ153321741 FUSE HOLDER R 951 GJ251273352201 CARBON RESISTOR 1 2W 3 3M 5 W TB901 GJ727000010000 SOLDERRING LUG TP0047341 TB902 GJ727000010000 SOLDERRING LUG TP0047341 T951 GJ336660190013 POWER TRANS A EI66 AC120V 60 Power supply board Item Parts number Parts name Area Electrical parts list Remarks Block No 05 A C 1 GJ270104...

Page 64: ...MX K1 3 19 Packing materials and accessories parts list Block No M M M 4 Block No M M M 5 A10 10 ...

Page 65: ...9 GJ740486230300 POLY BAG 2 P 10 GJ740122550000 POLY BAG 1 Packing Item Parts number Parts name Area A Parts list Q ty Description Block No M5MM A 1 GJA1002032001C REMOCON 1 A 2 GJA2052001001C LOOP ANT 1 A 3 BATTERY 1 R6SPTT 2STA A 4 GJ773012490102 INST BOOK J 1 ENG GJ773012520101 INST BOOK C 1 ENG FRE A 5 GJ351001402431 ANT WIRE 1 A 6 GJ775000140101 ACC SAFETY GUID 1 A 7 GJ775000400101 REGISTRATI...

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