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Sanyo 28DN2F, Руководство по обслуживанию

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Sanyo 28DN2F Скачать руководство пользователя страница 27

Main Board /Pannello Principal

Component Location/Lato del Componente

SW601

Main switch

F601

Fuse

Q611

T611

Converter Transformer

TP-B

VR462

H-Width

Q461

Q462

T451

Flyback

Transformer

Q612

Q613

T481

RC Transformer

D615

Photo-coupler

SW1901
Prog.+

SW1902
Prog.-

SW1903
Vol.+

SW1904
Vol.-

Q641

VR641

+B ADJ.

Q681

Q501

Q432

H-Output

IC501

V-Outout

IC651

+12V

R224

J213

Scart 2

SW501

V-Centre

VR501

V-Size

IC271

1H Delay

IC652

+8V

Scart 1

IC201
IF/Video/Croma/Def.

IC281

VR361

H-Centre

VR131

AGC

T101

T102

VC141

T141

IC810 Band SW.

Audio Board

SIF Board

A101 Tuner

IC1202

Int./Ext. SW.

IC1201

AV2 SW.

TP-E

TP-D

IC802

Memory

IC801
CPU

IC001

Audio-output

Video-
input

Audio-
input-R

Headphones

Audio-
input-L

GENERAL BLOCK DIAGRAM FOR EB4 CHASSIS

IC801
CPU

21P Scart: AV1

21P Scart: AV2

IC201
IF/Video/Chroma/Def.

IC1202
CVBS int/ext sw.

IC1201
CVBS AV2 sw.

CRT Unit

FBT

DY

IC001
Audio Output

IC501
Vert. Output

T611

Converter Transformer

Power Supply Circuit

SIF Unit

Audio Unit

Tuner

IC802
Memory

47

49

50

SCL

SDA

RC Pre.amp

6

5

51

52

IC810
Band sw.

14

24

17
18

2
3
4
5

2: Bright 3: Contranst
4: Colour  5: Sharpness

Control Keys

10

VL

VH

U

IF

TU

1

16

45/46

28/29

30/31

41 48

37

18

19

20

7

13

15

21

22

23

24

X131

T141/VC141

SAW Filter

IC271
1H Delay

R-Y/B-Y

R-Y/B-Y

CVBS In

Functuin In(AV1/AV2)

11/12

14/16

B

G

R

BLK

External CVBS in

Internal CVBS in

Q151

Q152/Q154

H-Drive

Q431

Q432
H-Outpit

V-Drive

V-Feedback

Audio In

Speakers

VR501

C512

H

V

HV

Q2601

Q2611

Q2621

Video In

Audio In
L     R

Q171

1

6

3

8 Out

4 Out

2

7

Audio I/O

Audio I/O

Video I/O

Video I/O

RGB/BLK In

B1: 150V
B2: 25V
B3: 15V
B4: 24V

IC651

IC652

B6: 12V
B8: 5V

B7: 8V

L, R

L, R

1/ 5

10/ 8

AC In

Q612

Q613

V-In

V-In

V-In

R

G

B

CVBS In

Audio I/O

SIF In

Audio Out L, R

4

2

IC281

SECAM

R-Y/B-Y

9/10

1

32

L/L'

7

VIF
ADJUST

3

2

L/L'

CRT Board /Pannello Cinescopio

Circuit side/Lato del Circuito

Q641

Q621

Q601

Q611

VR611
R-BIAS

VR621
G-BIAS

VR601
B-BIAS

VR612
R-DRIVE

VR602
B-DRIVE

Audio Board /Pannello Audio

Component Location/Lato del Componente

IC1251

IC3401

IC3451

IC3431

K34A

K34B

T3401

IC3851

IC3852

K38H2

K38H1

T3853

T3851

T3852

SIF Board /Pannello SIF

Circuit side/Lato del Circuito

Component Location/Lato del Componente

Component Location/Lato del Componente

Circuit side/Lato del Circuito

Содержание 28DN2F

Страница 1: ...television transmission system and power source differ from the design specifications Refer to the specifications for the design specifications Specifications Power source AC 220 240V 50Hz Television system System B G L L I Colour system PAL SECAM Receiving channel VHF E2 E12 F2 F10 CATV X Y Z S1 S41 B Q UHF 21 69 Aerial input impedance 75ohm AV terminal 21 Pin socket AV1 CENELEC Full YC 21 Pin so...

Страница 2: ... a receiver Components indicated by mark in the parts list and the schematic diagram designate components in which safety can be of special significance It is particularly recommended that only parts designated on the parts list in this manual be used for component replacement designated by mark No deviations from resistance wattage or voltage ratings may be made for replacement items designated b...

Страница 3: ...Colour 5 Sharpness Control Keys 10 VL VH U IF TU 1 16 45 46 28 29 30 31 41 48 37 18 19 20 7 13 15 21 22 23 24 X131 T141 VC141 SAW Filter IC271 1H Delay R Y B Y R Y B Y CVBS In Functuin In AV1 AV2 11 12 14 16 B G R BLK External CVBS in Internal CVBS in Q151 Q152 Q154 H Drive Q431 Q432 H Outpit V Drive V Feedback Audio In Speakers VR501 C512 H V HV Q2601 Q2611 Q2621 Q171 1 6 3 8 Out Audio I O Audio ...

Страница 4: ...pin13 or pin15 is separated to luminance Y signal and chroma signal in IC201 These pins are used in common with H V sync separation input The peaking of Y signal is adjusted by DC voltage of pin14 SHARPNESS control The chroma signal is divided into R Y and B Y chroma signals demodulated in IC201 and output from pin30 R Y and pin31 B Y These chroma signals pass through the 1H delay line circuit IC2...

Страница 5: ...f Q462 to compensate for width variations due to variations in the beam current 7 CPU System and Teletext Control Pin description Pin1 Tuning voltage output Pin2 Brightness control output 6 bit DAC Pin3 Contrast control output 6 bit DAC Pin4 Colour control output 6 bit DAC Pin5 Sharpness control output 6 bit DAC Pin6 Not used GND Pin7 Not used GND Pin8 Power ON OFF output H ON Pin9 AFT signal inpu...

Страница 6: ...T102 VC141 T141 IC810 Band SW Audio Board SIF Board A101 Tuner IC1202 Int Ext SW IC1201 AV2 SW TP E TP D IC802 Memory IC801 CPU IC001 Audio output Video input Audio input R Headphones Audio input L B1 POWER SUPPLY ADJ TU AGC ADJ VIF DET 1 2 AFT ADJ GREY SCALE ADJ FOCUS ADJ MAIN BOARD HIGH VOLTAGE H WIDTH ADJ V CENTRE ADJ H CENTRE ADJ V SIZE ADJ Q641 Q621 Q601 Q611 VR611 R BIAS VR621 G BIAS VR601 B...

Страница 7: ...y pressing the Function button on the Remote control and the Prog on the TV front panel Press the Function button on the Remote control until SCREEN is highlighted This sets up a horizontal scanning line 6 Set screen VR so that one colour is just visible BIAS VR ADJUSTMENT 7 By using VR2601 VR2611 or VR2621 adjust the line until it becomes white 8 Set screen mode OFF by pressing the Recall button ...

Страница 8: ...nment FM Detector 1 DC 12V AGC voltage DC5V Output probe Side a Input probe Jig A Sweep ATT Scope Marker Frequency SETTING K38H2 pin3 IC3852 pin13 IC3852 pin5 IC3852 pin17 IC3852 pin6 10dB 100mV div 38 9MHz Adjustment By using T3853 adjust P to be 38 9MHz 100KHz Waveform P 0 01uF 103P Jig A L L Q832 C GND Short Open DC 15 0V AGC voltage 4 3 4 5V Output probe Side b Input probe DC5V JIG A Sweep ATT...

Страница 9: ...st DC level to be 1 7V DC 12V DC5V Output probe Input probe Scope Carrier Frequency Modulation Frequency System SETTING K38H2 pin3 IC3851 pin21 IC3851 pin19 IC3851 pin18 100mV div 5 74MHz 1KHz Sine wave B G Adjustment By using T3851 adjust DC level to be 1 7V Oscilloscope Input sound signal source TV system Deviation Mode SETTING IC3401 pin5 System B G 27kHz Stereo Adjustment By using T3401 adjust...

Страница 10: ... appears on the screen 2 Select the desired service item by using the Function button on the remote control handset 3 Change the data by using the Level or button 4 To return to TV mode press the Recall button on the remote control handset Service mode description K1 K2 For adjustment of stereo separation ST ID Mode setting for A2 stereo judgement 000 Fast mode 001 Normal mode 002 Fast normal mode...

Страница 11: ...M 7 610 253 2449 HOLDER AC CORD GBR D4VA 610 260 0148 HOLDER RC GBR BLFA 610 265 4202 HOLDER DC F3SCM 8 610 261 3032 SPRING E7GC 9 645 003 9256 BADGE SANYO 46 2X13 5L45 610 133 2354 FIXER PURSE LOCK D11 5 PA 645 005 0312 FIXER HOOK 10 610 104 2505 LATCH PUSH 7 9X6 9BK 610 224 5721 CRT CUSHION B3MY UK ACCESSORIES 11 JXZB RC TRANSMITTER SKP10077 INSTRUCTIONS MANUAL F3JLV 645 000 6708 BATTERY MANGAN ...

Страница 12: ...sidered when a component replacement is made in any area of a receiver Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark Note Parts order must contain Service R...

Страница 13: ...03 069 9500 CERAMIC 0 01U Z 50V C3857 403 046 9905 ELECT 4 7U M 25V C3858 403 049 9803 ELECT 2 2U M 50V C3859 403 013 3004 CERAMIC 150P J 50V C3861 403 013 3004 CERAMIC 150P J 50V C3862 403 049 9803 ELECT 2 2U M 50V C3863 403 049 9803 ELECT 2 2U M 50V C3864 403 049 9803 ELECT 2 2U M 50V C3865 403 069 9500 CERAMIC 0 01U Z 50V C3866 403 042 8308 ELECT 22U M 16V C3867 403 041 9405 ELECT 10U M 16V C38...

Страница 14: ...049 0008 ELECT 1U M 50V C3471 403 069 9500 CERAMIC 0 01U Z 50V C3472 403 041 8804 ELECT 10U M 16V C3473 403 072 1607 CERAMIC 0 022U K 50V C3474 403 192 5905 CERAMIC 0 1U K 25V 403 070 0909 CERAMIC 0 1U K 50V C3475 403 026 2803 CERAMIC 47P J 50V C3476 403 026 2803 CERAMIC 47P J 50V C3477 403 069 9500 CERAMIC 0 01U Z 50V C3478 403 048 6308 ELECT 0 47U M 50V C3480 403 192 5905 CERAMIC 0 1U K 25V 403 ...

Страница 15: ...9 1909 TR 2SC536 E NP 405 019 2708 TR 2SC536 F NP 405 019 3804 TR 2SC536 G NP Q1201 406 007 2106 TR JC546A 406 007 2007 TR JC546B 405 019 1909 TR 2SC536 E NP 405 019 2708 TR 2SC536 F NP 405 019 3804 TR 2SC536 G NP Q1202 406 007 2106 TR JC546A 406 007 2007 TR JC546B 405 019 1909 TR 2SC536 E NP 405 019 2708 TR 2SC536 F NP 405 019 3804 TR 2SC536 G NP Q1203 406 007 2106 TR JC546A 406 007 2007 TR JC546...

Страница 16: ...F NP 405 019 3804 TR 2SC536 G NP Q832 406 007 2106 TR JC546A 406 007 2007 TR JC546B 405 019 1909 TR 2SC536 E NP 405 019 2708 TR 2SC536 F NP 405 019 3804 TR 2SC536 G NP Q835 406 007 2106 TR JC546A 406 007 2007 TR JC546B 405 019 1909 TR 2SC536 E NP 405 019 2708 TR 2SC536 F NP 405 019 3804 TR 2SC536 G NP Q861 406 007 1901 TR JC556A 406 007 1802 TR JC556B 405 004 4205 TR 2SA608 E CTV NP 405 004 4809 T...

Страница 17: ...AMIC 0 1U Z 50V C136 403 194 4609 ELECT 470U M 16V C137 403 068 0409 CERAMIC 0 1U Z 25V 403 070 2606 CERAMIC 0 1U Z 50V C138 403 069 9500 CERAMIC 0 01U Z 50V C141 403 028 4409 CERAMIC 56P J 50V C142 403 068 0409 CERAMIC 0 1U Z 25V 403 070 2606 CERAMIC 0 1U Z 50V C143 403 073 4201 CERAMIC 3900P K 50V C144 403 069 9500 CERAMIC 0 01U Z 50V C145 403 069 9500 CERAMIC 0 01U Z 50V C146 403 010 8507 CERAM...

Страница 18: ...V C643 403 148 2002 ELECT 470U M 35V C644 403 148 0701 ELECT 2200U M 25V C645 403 158 1309 ELECT 2200U M 35V C651 403 148 0305 ELECT 470U M 16V C652 403 069 9500 CERAMIC 0 01U Z 50V C653 403 043 9106 ELECT 47U M 16V C655 403 126 4400 ELECT 100U M 10V C661 403 051 0607 ELECT 4 7U M 50V C681 403 190 4702 ELECT 1000U M 25V C682 403 069 9500 CERAMIC 0 01U Z 50V C683 403 147 9606 ELECT 1000U M 10V C684...

Страница 19: ... MT GLAZE 1K JA 1 10W R159 401 022 1905 CARBON 680 JA 1 4W R161 401 026 3905 CARBON 330 JA 1 6W R162 401 037 9101 MT GLAZE 180 JA 1 10W R163 401 038 6505 MT GLAZE 47K JA 1 10W R164 401 038 6406 MT GLAZE 4 7K JA 1 10W R165 401 037 7909 MT GLAZE 1 5K JA 1 10W R166 401 026 9907 CARBON 4 7K JA 1 6W R171 401 038 6307 MT GLAZE 470 JA 1 10W R172 401 025 7409 CARBON 220 JA 1 6W R173 401 025 7409 CARBON 22...

Страница 20: ...05 CARBON 2 2K JA 1 6W R812 401 038 5102 MT GLAZE 3 9K JA 1 10W R813 401 026 4605 CARBON 33K JA 1 6W R815 401 024 6700 CARBON 100 JA 1 6W R816 401 037 5608 MT GLAZE 10K JA 1 10W R817 401 027 8602 CARBON 8 2K JA 1 6W R818 401 037 5707 MT GLAZE 100K JA 1 10W R819 401 025 7805 CARBON 2 2K JA 1 6W R820 401 037 5608 MT GLAZE 10K JA 1 10W R821 401 038 0800 MT GLAZE 22K JA 1 10W R822 401 038 6505 MT GLAZ...

Страница 21: ...C 407 158 3400 ZENER DIODE UZ 11BSC D1008 407 063 8309 ZENER DIODE MTZJ11C 407 158 3400 ZENER DIODE UZ 11BSC D1010 407 063 8309 ZENER DIODE MTZJ11C 407 158 3400 ZENER DIODE UZ 11BSC D1011 407 063 8309 ZENER DIODE MTZJ11C 407 158 3400 ZENER DIODE UZ 11BSC D1021 407 063 8309 ZENER DIODE MTZJ11C 407 158 3400 ZENER DIODE UZ 11BSC D1022 407 063 8309 ZENER DIODE MTZJ11C 407 158 3400 ZENER DIODE UZ 11BSC...

Страница 22: ...D652 407 053 6803 ZENER DIODE MTZ5 6C 407 057 0104 ZENER DIODE RD5 6EB3 407 151 8501 ZENER DIODE UZ 5 6BCC D654 407 012 4406 DIODE 1SS133 407 012 5809 DIODE 1SS176 D655 407 012 4406 DIODE 1SS133 407 012 5809 DIODE 1SS176 D661 409 013 0104 IC HZT33 409 026 8005 IC L5630 409 057 5103 IC UPC574J D681 407 005 7308 DIODE EM01Z D682 407 053 6803 ZENER DIODE MTZ5 6C 407 057 0104 ZENER DIODE RD5 6EB3 407 ...

Страница 23: ...Ref No Part No Description Ref No Part No Description 23 ...

Страница 24: ...9 C872 Q874 R895 SW1901 SW1904 C120 Y05 Y06 TP B L102 L101 R662 C841 L1003 L1004 T611 D861 R1018 Q613 1 Z101 Z102 R647 D648 R648 C884 C883 IC652 C652 L1005 L1006 Q1004 Q1005 R1052 R1056 R1053 R1054 R1051 R1055 Q1004 Q1005 C1008 C1004 C103A C1109 L1103 C1108 R1200 D1201 R354 D352 D1903 D1901A D655 R894 R893 C106A C892 R898 R897 R896 Q875 R1900 R1922 R162 C163 IC281 R271 R272 C281 C282 C284 C283 L27...

Страница 25: ...FRONT IN SC2 IN MONITOR OUT R3403 C3407 C3412 C3421 C3422 R3477 R3479 C3480 C3474 C3480 Q3481 Q3483 Q3484 R3481 R3482 X3401 D3461 D3462 C3490 K12B L3401 Q3482 R3473 R3474 R3451 C3415 C3456 L3451 C3459 C3460 R3478 R3480 C3485 C3486 Q3411 C3411 R3411 C3409 C3414 C3413 Q3412 R3412 R3410 HD14052BP MN4052B TC4052BP UPD4052BC 2SC2812L6 BC848B 1 10GJ 2 2K 2SC2812L6 BC848B 1 10 GJ2 2K 1 10 GJ470 1 10 GJ82...

Страница 26: ...5 R2604 VR2601 R2602 C2601 R2601 R2642 R2641 R2623 R2627 R2613 VR2612 VR2602 R2603 K26P Q2601 Q2611 Q2621 C2631 K26D R2644 SG SG SG FO K26M K26Q C2635 D2621 D2601 D2611 Q2651 R2652 R2653 D2651 C2651 Q2640 K2601 B L2621 L2611 L2601 PB2601 KDY KPS K6PS W902 TER1 TER1 KQS K6QS SP901 SP902 Q901 K34A K34B KR KDY K12B K12BS K10BS C501 IC501 D501 C505 C441 R432 Q431 R433 C433 C432 C434 Q432 R224 D222 R22...

Страница 27: ...2 IC810 Band sw 14 24 17 18 2 3 4 5 2 Bright 3 Contranst 4 Colour 5 Sharpness Control Keys 10 VL VH U IF TU 1 16 45 46 28 29 30 31 41 48 37 18 19 20 7 13 15 21 22 23 24 X131 T141 VC141 SAW Filter IC271 1H Delay R Y B Y R Y B Y CVBS In Functuin In AV1 AV2 11 12 14 16 B G R BLK External CVBS in Internal CVBS in Q151 Q152 Q154 H Drive Q431 Q432 H Outpit V Drive V Feedback Audio In Speakers VR501 C512...

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