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Chassis Block Diagrams

MAIN SIGNAL PROCESSING CIRCUIT 

Front

key

A1901A

RC

PRE-AMP

.

D1910

LED

5V

-2

6

7

ANT

VIDEO IN

L-IN(AUDIO)

R-IN(AUDIO)

AUDIO MONIT

OR OUT

 (LEFT)

FRONT

AV

 IN

REAR

AV

 IN

VIDEO IN

IC802

MEMOR

Y

6

5

4

3

SCL

SDA

Key in

R/C in

31

29

30

Stand by

Mute

Mono/St.

V

ol.

Protect

27

10

8

AFT

BLK

B

G

R

36V

9

11

IF OUT

CPU

1

VIF

RF AGC

A101

TUNER

X161

SA

W Filter

R-IN

R-OUT

MONO/ST

.

IC1201

AUDIO SW

15V

40

SELECTED VIDEO OUT

1

51

42

Ext.AUDIO-IN

Ext.VIDEO-IN

RF AGC

FL

YBACK PULSE IN

ABL

28 

13  

IF in

IF in

AFT

SIF  out

SIF in 

IF V

CC

VIDEO VE

RT 

V

CC

RGB VCC

HOR. VCC

5V

-2

10 

52 

54 

43 

18 25 

H-VCC

9V

9V

-1

8

5VRC

14 

15 

16 

17 

R

G

B

BLK

46

44

VIDEO-OUT

INT

. VIDEO IN

R-OUT

G-OUT

B-OUT

H-OUT

V

-OUT

19

20

21

27

23

IC201

IF/VIDEO/

CHROMA

MUTE

VOL.

L-IN

R-IN

Rout

Lout

IC001

AUDIO AMP

.

180V

1

5

IC501

VER

T

./DEF

.

SWITCH

VR631

130V

Reg.

Reg.

24V

15V

9V

5VRC

Reg.

Reg.

24V

Protect

T431

H-DRIVE TRANS.

Q432 H-OUT

24V

130V

B

G

R

9V

H

V

L902

DY

AFC

ABL

T471

FBT

Q901

CR

T

Heater

HV

180V

Heater

Low B

36V

H-VCC

9V

-1

5V

-2

Protect

POWER SUPPL

Y

 CIRCUIT

Protect

4/5

IC801

12

28

23

19

20

21

22

SP901 (L)

SP902 (R)

12

7

5

3

1

10  

REAR

MONIT

OR

OUT

1

7

3

L-IN(AUDIO)

R-IN(AUDIO)

2

11

/12

2

Q431

H-DRAIVE

CRT UNIT

T61

1

CONVER

TER

TRANS.

2

SELECTED AUDIO OUT

 (EXT . L

 )

IIC Bus

IIC Bus

IIC Bus

VIDEO MONIT

OR OUT

(L/R or L/L)

AUDIO OUT ( 

TV AUDIO OUT)

SM_14-C4FVR(RU)  1/6/05  2:23 PM  Page 3

Summary of Contents for CE14SP4R

Page 1: ...12 cm x 2 pcs Sound Output RMS 3W 3W Dimensions 480 W x 306 H x 392 D mm Weight approx 10 3 Kg Specifications subject to change without notice Original Version Chassis Series AC5 C C4FVR FILE NO Model No CE14SP4R Service Ref No CE14SP4R 00 Russia Give complete SERVICE REF NO for parts order or servicing It is shown on the rating plate at the cabinet back of the unit This T V receiver will not work...

Page 2: ...V 2 10 52 54 8 43 5 18 25 H VCC 9V 9V 1 8 5VRC 14 15 16 17 R G B BLK 46 44 VIDEO OUT INT VIDEO IN R OUT G OUT B OUT H OUT V OUT 19 20 21 27 23 IC201 IF VIDEO CHROMA MUTE VOL L IN R IN Rout Lout IC001 AUDIO AMP 180V 1 5 IC501 VERT DEF SWITCH VR631 130V Reg Reg 24V 15V 9V 5VRC Reg Reg 24V Protect T431 H DRIVE TRANS Q432 H OUT 24V 130V B G R 9V H V L902 DY AFC ABL T471 FBT Q901 CRT Heater HV 180V Hea...

Page 3: ...OSD BLUE OUT Active High DEFLECTION CIRCUIT HORIZ SYNC IN ACTIVE LOW VERT SYNC IN ACTIVE LOW POWER PROTECT IN POWER ERROR LOW POWER CIRCUIT etc SCL SDA IC802 MEMORY OSC X801 32 768KHz CPU OSC OUT CPU OSC IN LED ON TIMER LED OUT ON TIMER ON Low RC SIGNAL IN ACTIVE HIGH RC PRE AMP 24 26 30 SOUND VOLUME OUT ACTIVE LOW IC001 AUDIO AMP VIF M OUTPUT HIGH NTSC3 58 LOW OTHER A101 F S TUNER AFT SIGNAL INPU...

Page 4: ...6 47 48 49 50 A2C PLL 51 52 53 54 Audio Output FM Output Selected Audio Output PIF AGC RF AGC Output PIF Input1 PIF Input 2 IF Ground IF Vcc FM Filter AFT Output Bus Data Bus Clock ABL Red Input Green Input Blue Input Fast Blanking Input RGB Vcc Red Output Green Output Blue Output fsc output or C Sync output Vertical Output Ramp ALC Filter Horizontal BUS Vcc Horizontal Output Horizontal AFC Filter...

Page 5: ... SIF In Sound BPF VCO Coil VCO COIL1 VCO COIL2 48 49 VIF VCO Chroma Counter B N INV IF Ident OSC C D Amp SIF Sys 2bit pre scaller SIF VCO 500K BPF SIF APC Filter 1K 0 01u 1000p 53 LIM AMP FM Det FM Level 5bit Chroma C D APC Det 500K Det To BUS Chroma VCO VIF Counter Reset Pulse VCO Ident VIF Sys 2bit Phase Detector A MUTE 1bit VOLUME D A VOLUME Filter A SW 1bit Input Select VOLUME ATT 2 5V Amp FM ...

Page 6: ...either the main power switch or the ON OFF button on the remote control This will work only if the power supply trouble was temporary If there is permanent trouble such as a damaged circuit power cannot be restored and the circuit will have to be repaired Protection Circuit IC501 Vertical Output LA78040 TDA9302H Thermal Protection AMP Pump Up 1 INVERTING INPUT 2 Vcc 3 PUMP UP OUT 4 GND 5 Ver OUTPU...

Page 7: ...tments with Replacing Memory IC IC802 Note The CPU IC801 and memory IC IC802 store the service adjustments data and controls data for each circuit When the Memory IC IC802 is replaced some of the service adjustments should be readjusted to obtain the best performance The necessary service adjustments are carried out by using the RC handset Please set up the TV set with following steps 1 to 2 Press...

Page 8: ...15 16 15 NO ITEM DATA RANGE INITIAL SETUP DATA DESCRIPTION 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 63 64 65 RF Coring Gain Adj RFCO 00 03 0 Switching of RF Pre shoot and Over shoot PORWN 0 1 0 RF Pre shoot Over shoot Adj PORSN 00 03 0 RF Tint Adj TINT 16 15 0 NTSC 4 43 Tint Adj TINT 443 16 15 12 RF Sharpness Adj SHRF 32 31 0 OSD TEXT Contrast TEXTC 128 127 0 VOLUM 127 0 0 1 16 0 1 0 1 0...

Page 9: ...g Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date CPU Debug Date R11...

Page 10: ...n adjustment Read Status Item No Item Data value Display for RF AGC RF AGC adjustment Read Status Item No Item Data value Data value for Red Display for DRV White balance adjustment Read Status Item No Item Data value for Blue To return to normal TV mode press the MENU button on the TV set or the remote control handset 2 Select item by pressing the TIMER Item No UP or SOUND MUTE Item No DOWN butto...

Page 11: ...trast to maximum 3 Select V SIZ in the service mode 4 Change value to be optimum vertical size 5 Exit from service mode Item 04 V SIZ VERTICAL SIZE 1 Receive a crosshatch pattern 2 Set the lever of SW501 Vertical Center SW as the position of a center 3 Select a picture mode of NATURAL by pressing the PICTURE MODE button 4 Select V SCO in the service mode 5 Adjust Vertical S letter Correction so th...

Page 12: ... to adjust the brightness of each colour until a dim white line produced Please see the control button alloca tions in this mode 7 Select Item 21 DRV mode to enter the white balance adjusting mode 8 Press the 3 Red Drive 4 Red Drive Blue Drive or RECALL Blue Drive button alternately to produce normal black and white picture 9 Exit from the service mode 10 Check for proper grey scale tracking at al...

Page 13: ...71 J1503 C1502 R Focus VR Upper side E E IC1501 10 FC3B T471 H5 H1 J1506 JP1403 J423 J501 C1013 C1012 J422 R1026 J3406 R1028 J3407 JP1407 JP1503 C1401 J1402 J1401 IC1401 J026 C3414 C3416 C3417 C3418 C3424 7 J1501 J421 R355 R5 01 JW10 J028 SW501 C524 R525 C527 J505 R516 R522 R512 IC501 H2 R518 R514 R515 C518 C520 R519 IC501 R502 C514 C515 T471 H12 T471 H7 C471 T471 H8 T471 H10 T471 H11 JP401 JP402 ...

Page 14: ...special function setting mode press and hold the MENU button of the remote control then press the PROGRAMME DOWN button on the TV set 2 Select an item of the special functions by pressing the PROGRAMME UP or DOWN button on the remote control or the TV set 3 Set the selected special function ON by pressing the VOLUME or button To cancel set to OFF How to set the special function Note When making th...

Page 15: ...2400030 560K 2400030 2400030 33K 6 8K 1000KK470 CRD NH AE DJ3 9K 2SB985 S T 2SA1707 S T DJ10K EU2 EU2Z 1 2CK 5 6MXG 35EM470T X 250KK1000XH 250KM1000XN 400KK1000X 2400010 2400010 2400010 J 2SC3807 RYA FK0 022 BE 5WJ22 K V VC 2SC4429 LYB MYB L51B4240N L51B4280N RU4YXLF L1 FE301 1L43 DJ12K 16EM 330 25EM 1000T 1000KK470 CRD NH 1SJ270 RD10EB2 MTZJ10B 16EM 220 AE 1K AA EM1 1 16GJ 22KC 160EM220 X HBC E 1...

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