2-2
(for DX-T77)
DVD tray control section
CN1
IC1, IC2
TRAY / POSITION
MOTOR DRIVER
TR_OP, TR_CL
POS_UP, POS_DOWN
TRAY/POSITION
MOTOR
M
CN2
SW1 to SW5
TRAY CLOSE SW
SW6
TRAY OPEN SW
M.TR_OP
TR1_CL to
TR5_CL
CN3
R1
POSITION
SENSOR
IC201
DRVER
IC451
MECHA
CONT.
IC301
DV3.2
IC505
SDRAM
IC510
EEPROM
IC509
FLASH ROM
IC452
EEPROM
CN453
W2
SW8
SUB TRAY
END SW
W1
DVD traverse
mechanism
CN101
A, B, C, D, E, F, RF+, LPC1, LPC2
F+/-
T+/-
FM+/-
WOUT
VOUT
UOUT
COM
LD(CD)
LD(DVD)
CLSWT1 to 5
MOTPSW
POSMUP
POSMDN
MTOP, MTCL
CN451
CN452
LSENSOR
CPURST
DISCSET, DISCSTP
SCS, UCS, UCLK, S2UDT, U2SDT
STEDSW
AOUT1
AOUT2
BCK
LRCK
DAC1CS
DAC2CS
DACPDN
DACCK
DCLK
DDATA
Q101
to
Q104
EXADT0 to 15
EXDT0 to 15, EXADR16 to 20
NEXCE,NEXOE, NEXWE
DISPRST
DISPBUSY
DISPCS
DISPCK
DISPD2S
DISPS2D
MA0 to MA11, BA0, BA1, MCK
MDQ0 to 15, DQM0, DQM1
NCSM, NRAS, NCAS, NWE
TX, DAC1OUT (Y-2)
DAC2OUT (Cb), DAC3OUT (Cr)
DAC4OUT (Y-1), DAC5OUT (C)
EPDI
EPDO
EPCS
EPSK
X301
27MHz
X451
8MHz
DVD traverse
mechanism
CN201
LPCO1, LPCO2
CDLDCUR,DVDLDCUR
SPDRV, TRSDRV
FODRV, TRDRV, FG
DRVMUTE, SPMUTE
TRVSW
SDA, SCL, WP
CN701
IC702
IC703
DAC
LRMUTE
DVD servo and system control section
IC701
DAC
FAOUTL/R
AOUT0
BCK
LRCK
DAC0CS
DACPDN
DACCK
DCLK
DADATA
CN703
CN702
IC704
ADC
ADIN
BCK
LRCK
DACCK
ADCPDN
AINL/R
RAOUTL/R
CAOUT
SWAOUT
CN930
CN920
DISPRST, DISPBUSY
DISPCS, DISPCK
DISPD2S, DISPS2D
DISPD2S, DISPCK
DISPCS, CPURST
VIDEO-MUTE
CN760
IC920
VIDEO
DRIVER
J921
CN931
COMPONENT VIDEO OUT
J920
S-VIDEO/COMPOSITE VIDEO OU
Y,Cb,Cr
Y,C,CV
DIGITAL OPTICAL OUT
TX
Y-1,Y-2
C,Cb,Cr
VIDEO-MUTE
Video output section
CN810
CN800
REC/PB
ERASE
HEAD
IC32
AUDIO SIGNAL
PROCESSOR
L301
BIAS
OSC
RECL/R
B_PBL/R
RECL/R
B_PBL/R
IC33
SERIAL TO PARALLEL
PORT EXTENSION
SDATA
SCK
STTA_B
KEYB
PLAYB
PHOTOB
STTA_B
Q302,Q305
BIAS OSC/CONT.
Q375,Q376
SOLENOID
DRIVE
REC/PLAY
FREQUENCY
RESPONSE Adj.
RECH
PBMUTE
RECB
MB
SOLCTRL
IC1
REEL
PULSE
M
MOTOR
SPEED Adj.
MB
RREC,FREC
PLAY,TAPE
PHOTO
PHOTO+B
SW1,SW2
SW5,SW6
SWITCH
Q371,Q372
MOTOR
DRIVE
MOTOR
SOL
PLAYB
PHOTOB
KEY_B
Tape B record and playback section
CN31
FW100
CN42
CN32
PB
HEAD
Q460,Q461
PB MUTE
IC41
AMP
A_PBL/R
IC43
SERIAL TO PARALLEL
PORT EXTENSION
STTA_A
Q485,Q486
SOLENOID
DRIVE
PBMUTE
MB
SOLCTRL
IC1
REEL
PULSE
M
MOTOR
SPEED Adj.
MB
PHOTO
PHOTO+B
Q481,Q482
MOTOR
DRIVE
MOTOR
SOLENOID
SOL
SOLENOID
SOL
SOL
PLAYA
PHOTOA
KEY_A
Tape A playback section
CN48
FW100
CN1
CN41
CN45
VR37
VR37
CN46
CN47
CN33
CN34
CN730
CN720
CN500
IC510
REMOCON RECEIVER
REM
D5007,Q5009
STANDBY LED
LED-STBY
IC500
FL
DRIVER
FL500
FL
P1 to P35
1G to 10G
FL display section
FL-CON, FL-DATA
FL-CLK, FL-BK
FL-LATCH
D5004,Q5004
RHYTHM AX
LED
LED-RHY
D5005,Q5005
KARAOKE
SCORING LED
LED-KAOK
D5006
Q5006,Q5010
PRESET
LED
LDE-DIM, LED-ILLU
S5000
to S5034
KEY MATRIX
F-KEY1 to F-KEY4
FW500
CN105
FL1
FL2
CN100
AC
INPUT
S1000
VOLTAGE
SELECTOR
SWTCH
CN101
CN102
T1001
TRANS.
CN103
CN106
S1
D1004 to D1011
+/- VH BRIDGE
Q1000
35V
REG.
S2,S3
S3CT
S4
S4CT
S1
VPP
VPP
CN104
S2,S3CT
D1000 to D1003
REGULATOR
BRIDGE
+/-VH
S3
S3
Q1001
FL BIAS
S4CT
CN204
CN850
CN203
CN200
CN201
CN202
FW910
J910
HPL
HPR
D2001
+/- VL BRIDGE
+/-VH
S2
+/-VL
J901/J902
PHONES
MIC1
MIC2
IC901
AMP.
CN901
MIC-IN
HP-SW
Q9100
to Q9104
HP MUTE
HP-MUTE
Microphone circuit
section
CN740
CN602
RL, RR, C
FL, FR
IC601
SURROUND/CENTER
AMP.
CN601
CN603
IC602 to IC608
REG.
D5V
D5.6V
S5V
M5V
M9V
S3, S3CT
POUT/FDVD
AMP-PON
PRT
AMP-PON
AMP-PON
C
RL
RR
+/-VL
SUR-L/R, CENTER
DC regulator and audio output section
CN604
TO
FAN
FAN12V
Q6351,Q6352
FAN CONT.
Q6601 to Q6604
STANDBY CTRL
Q6001,Q6002
STANDBY CTRL
Q6701 to Q6704
Q6511,Q6521
Q6531
PROTECTOR
Q6211,Q6221
Q6231
PROTECTOR
FAN SPEED
FAN CTRL
CN652
IC650
FRONT/SUBWOOFER
AMP.
CN651
FL, FR
SW1
+/-VH,+/-VL
FLIN
FRIN
SWIN
Audio output section
CN830
CN820
D5V,D5.6V
S5V,M5V,M9V
Primary board with main transformer section
External input, source selector
and system control section
IC870
SURROUND
VOL
RLIN
RRIN
RAOUTL/R
IC880
C &
SW
VOL
CAOUT
SWAOUT
SW
C-IN
SWIN
IC810
DSP SW
ADINL/R
IC800,IC801
FRONT
MIX AMP.
& LPF
FAOUTL/R
IC850
SURROUND
PROCESSOR
LSELO
RSELO
TUL/R
CN750
TO
TUNER
PACK
AUXL/R
J800
AUX IN
A-PBL/R
B-PBL/R
IC820
MAIN
VOL
LOUT
ROUT
IC830
AHB
Q8040
Q8140
SW
MUTE
Q7080
Q7081
RESET
RY712
RY767
Q7000
RELAY
RY734
RY750
RY756
Q7010
RELAY
FLIN
FRIN
FL, FR
Q8000,Q8100
FRONT
MIX MUTE
Q8070
Q8170
LR MUTE
Q8080
CA MUTE
LRMUTE
Q8071
Q8171
C/R-MUTE
Q8081
Q8180
C/SW
MUTE
SP-OUTL/R
IC860
EFFECTOR
IC888
MIC AMP.
RECL/R
LVRIN
RVRIN
S-CK,S-DATA
A-STTA,B-STTA
A-PHOTO,B-PHOTO
A-PLAY,B-PLAY
A-KEY,B-KEY
SLC-SAFETY
TUDI
TUDO
TUCK
TUCE
IC770
SYSTEM
CPU
Q7794
Q7798
SP-DA
SP-CK
SP-WR
SP-REQ
SP-STB
IC881
AMP.
RHYTM
MIC-SIG
MIC+ECHO
DELAY
DSP-SW
MIC-DETECT
HPSW, HP-MUTE
CN970
CN860
J700
J970
TO
FRONT SPEAKER
& SUBWOOFER
TO
SURROUND
& CENTER
SPEAKER
C/R-MUTE
CENTER/REAR MUTE
IC760
LEVEL CONV.
CS, U2SDT
DISPS2D
DISPBUSY
V-DI,V-CK,V-CEM
V-DI,V-CK
V-CE2
V-DI
V-CK
V-CE1
IC771
EEPROM
SDA
SCL
INH
RESET
C
RL
RR
FL
FR
SW
IC930
+VPP
F-KEY1 to F-KEY4, REM, LED-STBY
LED-RHY, LED-KAOK, LED-ILLU, LED-DIM
FL-DA, FL-LA, FL-CK, FL-BK, FL-ON
SW-AHB
SMUTE
SMUTE
AMP-PON
POUT/FDVD
FAN-SPEED
FAN-CTRL
PLAY
TAPE
SW2,SW6
SWITCH
SDATA
SCK
F+/-
S3
S3CT
SW1, SW2
RELAY-C/R
RELAY-F/SW
DC, IMP
DC
IMP
DC
IMP
PRT
MIC-IN