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Sanyo 28H1 Service Manual

Sanyo colour television service manual
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Colour Television
For further technical information, please refer to the
training manual EH1 chassis, ref. No. TI520015.
Give complete "SERVICE REF. NO." for parts order
or servicing, it is shown on the rating sheet on the
cabinet back of the TV set.
Contents
Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Circuit description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Service adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-13
Component locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-20
Special functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Waveforms & voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-27
Service parts lists
Schematic diagram
Part Number: SKSM0213
Service Manual EH1 chassis
Service Manual
Chassis: EH1-A
Model:
28H1 (C28ER59)
28HN1 (C28ER59N)
Note
This TV receiver will not work properly in foreign
countries where the television transmission system
and power source differ from the design specifications.
Refer to the specifications for the design specifications
[Europe]
[Europe]

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  Summary of Contents for Sanyo 28H1

  • Page 1: Table Of Contents

    Colour Television Service Manual Chassis: EH1-A Model: 28H1 (C28ER59) [Europe] 28HN1 (C28ER59N) [Europe] For further technical information, please refer to the training manual EH1 chassis, ref. No. TI520015. Note This TV receiver will not work properly in foreign Give complete "SERVICE REF. NO." for parts order...
  • Page 2: Safety Precautions

    SAFETY PRECAUTION 1: An isolation transformer should be connected in the 3: When replacing a chassis in the cabinet, always be power line between the receiver and the AC line when certain that all the protective devices are installed a service is performed on the primary of the converter properly, such as, control knobs, adjustment covers or transformer of the set.
  • Page 3: Circuit Description

    CIRCUIT DESCRIPTION This is a diagram for all models and therefore differs slightly from the actual block diagram. Outline Service Manual EH1 chassis...
  • Page 4 Main signal flow This chassis consists of the tuner, IF detector, audio These signals are again input to the audio processor IC, signal processor, video signal processor, AV selector, and are controlled in volume, bass, treble, balance and double scan converter, vertical deflection, horizontal sound mute by the CPU via I C bus.
  • Page 5 Video signal rooting (Front) AV2-BLK AV2-R,G,B IC204 IC201 IC1200 IC202 X103 IC101 Video Chroma CVBS Def. Q105 Q112 Q1231 Q1201 Q1207 R,G,B Video Y/CVBS Q1202 R,G,B,BLK Video Q1208 IC206 IC207 Video Q831 Q1232 V-sync Q832 AV Selector Q833 H-sync VR1201 IC801 10 12 10 12...
  • Page 6 Power supply rooting FRONT BOARD Memory SUB DEF. BOARD V-Driver Q681 IC802 IC2341 IC2351 IC2361 IC2351 24LC04 MC74HC74AF CXD2018QP LA6358M RC5V CXD2018QP IC801 IC361 IC2371 IC2391 IC2311 IC2381 IC2331 QXXAV8079 LA6458M UPC1377C LA6393M LA6458M LA6458M CXA1315P IC001 H/V sync.det. C bus D/A TA8216H IC207 M74L532P...
  • Page 7: System Control

    System control IC202 VIDEO CHRAMA DEF. Service Manual EH1 chassis...
  • Page 8: Disassembly

    DISASSEMBLY CABINET BACK DISASSEMBLY 1. Remove 10 screws(A) and 4 screws(B) 2. Pull out the cabinet back. PLACING THE CHASSIS TO SERVICE POSITION 1. Remove 2 screws (C). 2. Release the wires at hooks(D) and hooks(E). 3. Remove an AC cord holder(F). 4.
  • Page 9: Service Adjustments

    SERVICE ADJUSTMENTS Note: Some items of the service adjustments for this chassis are controlled by the CPU, IC801, and the adjustments are carried out by using the RC handset. [After replacing the Memory IC (IC802)] The memory IC, IC802, stores the service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be readjusted the following adjustments and confirmed initial data value, refer to the adjustment table on next page.
  • Page 10 Adjustment Items and data Table Adjust. items Initial value Status Description +000 +000 ADJSTBL Signal level adjustment for A2 stereo, 500mVrms at 54% dev. on pin 1 of SCART 1 +001 -006 ADJSTBL Separation adjustment for A2 stereo, minimise R signal on pin 3 of SCART 1 +002 STID +000...
  • Page 11: Service Adjustments

    +063 Xtal +002 Fixed X’tal setting, 0:3.58+3.58, 1:3.58, 2:4.43, 3:4.43+3.58 +064 System +224 Fixed Sub address setting 01 of TDA9134 +065 TintTDA +016 Fixed Tint setting of TDA9143 +066 YDelyPA +010 Fixed Y/C phase setting for PAL (sub address setting 18 of TDA9143) +067 YDelyNT +010...
  • Page 12 SERVICE ADJUSTMENTS-2 Please refer to the “Component Locations” for the adjustments and test points. VCO ADJUSTMENT VIDEO AMPLITUDE ADJUSTMENT(Europe only) 1. Receive the circular pattern. 1. Receive the PAL colour bar pattern. 2. Adjust the picture to obtain the best picture by using 2.
  • Page 13 [OUTPUT LEVEL ADJUSTMENT-R-Y] FOCUS ADJUSTMENT 1. Connect oscilloscope between pin 10 of K73C(+) and By using FOCUS VR, adjust focus control for well GND(-). defined scanning lines. 2. Adjust the R-Y signal amplitude to be 0.7Vp-p by using VR7352. 0.7Vp-p [OUTPUT LEVEL ADJUSTMENT-B-Y] 1.
  • Page 14: Component Locations

    COMPONENT LOCATIONS MAIN BOARD (Component side) IC3521 IC3521 TP2A TP2B TP2C -14- Service Manual EH1 chassis...
  • Page 15 MAIN BOARD (Circuit side) -15- Service Manual EH1 chassis...
  • Page 16 POWER DEF BOARD (Component side) LIVE SIDE -16- Service Manual EH1 chassis...
  • Page 17 SUB DEF BOARD (Component side) IC2331 VR391 H-OSC J23HW IC361 H-SIZE Q2314 Q2312 K23M K23N SUB DEF BOARD (Circuit side) IC2361 IC2351 Q361 Q364 IC2341 Q2341 IC2391 IC2371 Q2311 IC2311 Q2313 IC2381 VIDEO BOARD (Component side) IC2202 Q1753 Q2204 Q1751 Q2207 IC2204 Q1752...
  • Page 18 DOUBLE SCAN BOARD (Component side) IC7223 IC7203 IC2101 IC7215 IC7206 IC7204 IC7222 IC7201 IC7212 T7201 IC7214 VR7201 REF TOP IC7207 CLAMP Q7351 Q7355 Q7359 Q7307 Q7338 Q7304 Q7356 Q7360 Q7352 Q7306 Q7308 Q7301 Q7362 Q7361 Q7358 Q7357 Q7354 Q7353 VR7353 VR7352 VR7351 IC7301...
  • Page 19 BACK BOARD (Component side) K1001 K1002 IC1201 Q1201 Q1202 Q1204 Q1208 Q1207 Q1002 Q1205 K1003 Q1203 Q1206 JT1201 Q1232 Q1001 Q1231 VR1201 K10W K10Y VIDEO AMP Video Level CRT BOARD (Component side) IC721 G-OUT IC731 IC711 R-OUT B-OUT JTP47G Q721 Q703 Q701 K701...
  • Page 20 FRONT BOARD (Component side) -20- Service Manual EH1 chassis...
  • Page 21: Special Functions

    SPECIAL FUNCTIONS This TV set allows you to set up the following special functions. Maximum volume setting and prohibition of presetting ITEM-1 Sets the current volume as the maximum volume level and prohibition of presetting. 0 NO 1 YES Start up programme position ITEM-2 Presets the programme position when the set is switched on.
  • Page 22: Waveforms & Voltages

    WAVEFORMS & VOLTAGES On the CRT Board IC711 3.3V 12.2V 3.3V 6.4V 210V 138V 138V 137V IC721 3.3V 12.1V 3.3V 6.4V 210V 141V 142V 140V IC731 3.3V 12.1V 3.3V 6.5V 210V 135V 136V 134V Q711 Q721 Q731 3.6V 3.6V 3.7V 3.0V 3.0V 3.1V...
  • Page 23 On the Main Board(2) IC202 2.1V 2.4V 2.4V 4.1V 3.8V 8.0V 5.1V 1.8V 3.3V 2.6V 2.5V 2.5V 0.3V 0.7V 5.1V 5.0V 5.0V 3.3V 0.1V 4.0V 3.8V 3.5V 5.0V 2.5V 2.7V IC203 1.1V 3.2V 0.4V 8.0V IC204 5.1V 7.1V 4.2V 5.2V 2.9V 2.9V 1.4V...
  • Page 24 On the Main Board(3) IC3521 4.5V 4.5V 4.5V 9.0V 4.5V 4.6V 4.6V 4.5V 4.5V 4.5V 4.6V 4.6V 4.6V IC3531 4.5V 5.2V 4.6V 4.6V 4.7V 0.2V 4.6V 4.5V 4.5V 0.1V 4.6V 4.6V 5.5V 5.4V 4.7V 4.5V 1.9V 5.4V 4.7V 4.7V 5.3V 4.6V 9.0V IC3800...
  • Page 25 On the Power/Def. Board IC652 IC653 15.7V 12.2V 2 -15.6V 3 -12.0V IC501 2 -14.3V 13.1V 0.8V 8 -12.2V Q401 Q402 Q421 Q422 Q471 Q472 Q474 Q554 Q555 135V 2.1V 12.5V 53.8V 32.0V 57.4V 12.3V 11.8V 0.1V 51.7V 13.2V 0.5V -1.6V B 134.5V 2.8V...
  • Page 26 On the Sub/Def. Board(2) IC361-pin1 IC361-pin3 IC361-pin10 IC361-pin12 IC361-pin18 IC361-pin19 <H sync in> <H osc> <H drive out> <V drive out> <V osc> <V sync in> 10 µ s/div. 10 µ s/div. 10 µ s/div. 2V/div. 2V/div. 2V/div. 5V/div. 2ms/div. 2V/div.
  • Page 27 On the Back Board IC1201 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.1V 3.7V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 9.0V...
  • Page 28: Cabinet Parts List

    ASSY,CABINET FR-F3TV 645 024 1369 ASSY,REMOCON SXMRA 610 261 6057 BUTTON POWER-F3SCM 645 000 6708 BATTERY,MANGAN,COMPOSITE 610 265 7746 CABINET BACK-F3TV FOR 28H1 ONLY 610 266 4201 DOOR-F3TV SKP10097 INST MANUAL-F3TT (GB,D,F,NL,GK) 610 261 6132 DEC BOARD-F3SCM SKP10098 INST MANUAL-F3TT (P,I,FIN,DN,S)
  • Page 29: Chassis Electrical Parts List

    / ! \ CHASSIS ELECTRICAL PARTS LIST Product safety should be considered 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.
  • Page 30 Ref. No. Part No. Description Ref. No. Part No. Description 610 265 7159 R1124 401 024 9305 CARBON 1.2K JA 1/6W R1132 401 024 7400 CARBON 10K JA 1/6W ASSY,PWB,FRONT F3TV (1AA0B10E35300 ) R1133 401 024 7400 CARBON 10K JA 1/6W R1134 401 024 9305...
  • Page 31 Ref. No. Part No. Description Ref. No. Part No. Description 610 265 7166ASSY,PWB,POWER/DEF F3TV 405 019 2708 TR 2SC536-F-NP 405 019 3804 TR 2SC536-G-NP 1AA0B10E35400 405 020 7501 TR 2SC945A-PA Q664 406 007 2106 TR JC546A 406 007 2007 TR JC546B TRANSISTOR 405 019 1909 TR 2SC536-E-NP...
  • Page 32 Ref. No. Part No. Description Ref. No. Part No. Description 403 076 7100 CERAMIC 1000P M R480 401 024 7400 CARBON 10K JA 1/6W C604 403 312 8205 CERAMIC 1000P K R491 401 066 5204 OXIDE-MT 22 JA 403 076 7100 CERAMIC 1000P M R492...
  • Page 33 Ref. No. Part No. Description Ref. No. Part No. Description / ! \ 407 007 7306 DIODE EU01Z T402 645 023 2220 TRANS,FLYBACK D492 407 007 9904 DIODE GMA01 / ! \ T403 610 215 5945 CHOKE TRANS 407 012 4406 DIODE 1SS133 / ! \ T611...
  • Page 34 Ref. No. Part No. Description Ref. No. Part No. Description D647 407 012 4406 DIODE 1SS133 Q835 405 014 4509 TR 2SC2412K T146 R 407 012 5809 DIODE 1SS176 405 015 8704 TR 2SC2812-L6-TB D648 407 053 4007 ZENER DIODE MTZ16C Q836 405 014 4509 TR 2SC2412K T146 R...
  • Page 35 Ref. No. Part No. Description Ref. No. Part No. Description C102 403 049 0008 ELECT 1U M 403 070 2606 CERAMIC 0.1U Z C103 403 069 9500 CERAMIC 0.01U Z C234 403 068 0409 CERAMIC 0.1U Z C104 403 069 9500 CERAMIC 0.01U Z 403 070 2606...
  • Page 36 Ref. No. Part No. Description Ref. No. Part No. Description C3480 403 192 5905 CERAMIC 0.1U K C672 403 068 0409 CERAMIC 0.1U Z 403 070 0909 CERAMIC 0.1U K 403 070 2606 CERAMIC 0.1U Z C3481 403 069 9500 CERAMIC 0.01U Z C673...
  • Page 37 Ref. No. Part No. Description Ref. No. Part No. Description R124 401 037 5707 MT-GLAZE 100K JA 1/10W R3479 401 026 4308 CARBON 3.3K JA 1/6W R125 401 038 7700 MT-GLAZE 5.6K JA 1/10W R3481 401 038 3603 MT-GLAZE 3.3K JA 1/10W R127 401 037 5400 MT-GLAZE...
  • Page 38 Ref. No. Part No. Description Ref. No. Part No. Description R862 401 038 0800 MT-GLAZE 22K JA 1/10W 407 013 1206 DIODE 1S1555 R870 401 026 9600 CARBON 470 JA 1/6W D679 407 149 0807 DIODE 1SS355-TE-17 R871 401 026 9600 CARBON 470 JA 1/6W...
  • Page 39 Ref. No. Part No. Description Ref. No. Part No. Description 405 014 4608 TR 2SC2412K T146 S 403 263 5704 MT-COMPO 0.22U J C2138 403 069 9500 CERAMIC 0.01U Z 405 015 8704 TR 2SC2812-L6-TB 405 015 8902 TR 2SC2812-L7-TB C2139 403 069 9500 CERAMIC...
  • Page 40 Ref. No. Part No. Description Ref. No. Part No. Description R2102 401 038 5300 MT-GLAZE 39K JA 1/10W R2181 401 038 0701 MT-GLAZE 2.2K JA 1/10W R2103 401 038 7502 MT-GLAZE 56 JA 1/10W R2182 401 038 3702 MT-GLAZE 33K JA 1/10W R2104 401 037 5400 MT-GLAZE...
  • Page 41 Ref. No. Part No. Description Ref. No. Part No. Description DIODE 405 014 4608 TR 2SC2412K T146 S DL2101 645 003 0642 DELAY LINE 405 015 8704 TR 2SC2812-L6-TB D2201 407 004 8009 DIODE DSB015-TB 405 015 8902 TR 2SC2812-L7-TB D2202 407 004 8009 DIODE DSB015-TB...
  • Page 42 Ref. No. Part No. Description Ref. No. Part No. Description C7216 403 068 0409 CERAMIC 0.1U Z R7232 401 037 5608 MT-GLAZE 10K JA 1/10W R7233 401 037 5608 MT-GLAZE 10K JA 1/10W C7217 403 068 0409 CERAMIC 0.1U Z C7219 403 147 9903 ELECT...
  • Page 43 Ref. No. Part No. Description Ref. No. Part No. Description R7378 401 037 5608 MT-GLAZE 10K JA 1/10W XL7312 610 235 5697 LC BLOCK XL7314 645 000 2250 FILTER,EMI 100PF R7379 401 038 7809 MT-GLAZE 56K JA 1/10W R7380 401 038 0800 MT-GLAZE 22K JA 1/10W XL7315...
  • Page 44 Ref. No. Part No. Description Ref. No. Part No. Description R727 401 010 7605 CARBON 560 JA 1/2W Q361 405 014 4509 TR 2SC2412K T146 R R728 401 027 2105 CARBON 56 JA 1/6W 405 015 8704 TR 2SC2812-L6-TB R729 401 012 5708 CARBON 1K JA...
  • Page 45 Ref. No. Part No. Description Ref. No. Part No. Description C391 403 041 8804 ELECT 10U M R2398 401 037 5400 MT-GLAZE 1K JA 1/10W R360 401 037 5608 MT-GLAZE 10K JA 1/10W C392 403 056 7304 POLYESTER 1000P J 403 178 9200 POLYESTER 1000P J...
  • Page 46 Ref. No. Part No. Description Ref. No. Part No. Description 405 019 3804 TR 2SC536-G-NP C1023 403 009 5708 CERAMIC 100P J Q1201 406 007 2106 TR JC546A C1024 403 049 0800 ELECT 1U M 406 007 2007 TR JC546B C1026 403 041 9405 ELECT...
  • Page 47 Ref. No. Part No. Description Ref. No. Part No. Description R1051 401 024 6700 CARBON 100 JA 1/6W 407 063 8309 ZENER DIODE MTZJ11C D1007 407 075 9905 ZENER DIODE EQA03-11A R1052 401 024 6700 CARBON 100 JA 1/6W R1053 401 024 6700 CARBON 100 JA...
  • Page 48 Ref. No. Part No. Description Ref. No. Part No. Description Q3482 405 014 4509 TR 2SC2412K T146 R C011 403 270 3403 MT-POLYEST 0.22U K 405 015 8704 TR 2SC2812-L6-TB 403 237 7901 MT-COMPO 0.22U J Q3484 405 014 4509 TR 2SC2412K T146 R C012 403 270 3403...
  • Page 49 Ref. No. Part No. Description Ref. No. Part No. Description C217 403 069 9500 CERAMIC 0.01U Z C3512 403 152 4702 NP-ELECT 10U M C220 403 033 4500 CERAMIC 82P J C352 403 023 4404 CERAMIC 330P J C221 403 068 0409 CERAMIC 0.1U Z C3521...
  • Page 50 Ref. No. Part No. Description Ref. No. Part No. Description C833 403 130 3109 CERAMIC 0.047U K R211 401 038 0602 MT-GLAZE 220 JA 1/10W R212 401 037 7909 MT-GLAZE 1.5K JA 1/10W C841 403 069 9500 CERAMIC 0.01U Z C842 403 069 9500 CERAMIC...
  • Page 51 Ref. No. Part No. Description Ref. No. Part No. Description R677 401 067 2509 OXIDE-MT 3.3 JA L201 645 008 2863 INDUCTOR,4.7U K R800 401 038 6406 MT-GLAZE 4.7K JA 1/10W L202 645 008 2863 INDUCTOR,4.7U K R802 401 025 7805 CARBON 2.2K JA 1/6W...
  • Page 52 SERVICE MANUAL FOR EH1 CHASSIS SANYO ELECTRIC CO. LTD.
  • Page 53 Model mento del TV. Il transistore 2SA608(E,F) puo essere 28H1 (C28ER59) larly recommended that only parts 7. Waveforms were taken with colour bar posizioni normali ed il commutatore AFC I suddetti componenti devono essere...
  • Page 54 FRONT_UNIT K19F (SEE SHEET 1) J11EH100N COIL IC671 BA178M09T :L78M09CV :MC78M09CT R671 2SJ22 C654 R891 J11EH120N 1/10GJ D801 C803 TP8A C671 C672 RC5V EM4.7 J10EA070N TECT 16EM R889 D671 KZ0.1FA C802 C800 C851 R800 1/10GJ 1SS355 :25KZ 6.3EM R806 R804 IC801 0.1FA 0.01...
  • Page 55 TO FRONT UNIT K16D (SEE SHEET 1) D664 Q664 R666 1S1553:1S2076A 2SC536 J10BP1200 :1S2471:DS442X (E-NP:F-NP RC5V :G-NP) D615 :QT0378(A:B) Power PC113B C632 :EL0199 24V(Audio) <CNY17F-3> J638 J639 24V(Audio) R665 D647 GND(Audio) 1SS(133:176) R601H1 GND(Audio) R601H3 R653 R652 R601A R602A T611 R601 R602H3 7WK1.8...
  • Page 56 TO FRONT_UNIT K19H TO FRONT_UNIT K19G (SEE SHEET 1) (SEE SHEET 1) J11EH070N J11EH050N FRONT JT110 SC-L R3422 C3448 1/10GJ SC-R R3421 1/10GJ C3415 JWA1 FR-V C3416 C3447 JWB1 R3432 FR-R R3434 1/10GJ C3427 1/10 C3446 FR-L GJ1K C3423 CSMO CSMO CPS1 CPS1...
  • Page 57 Part No. 1AA6P2P0675-- F3TT (SHEET 3/7)
  • Page 59 Part No. 1AA6P2P0675-- F3TT (SHEET 4/7)
  • Page 61 Part No. 1AA6P2P0675-- F3TT (SHEET 5/7)
  • Page 63 Part No. 1AA6P2P0675-- F3TT (SHEET 6/7)
  • Page 64 SUB DEF BOARD (Circuit side) SUB DEF BOARD (Component side) IC2331 VR391 H-OSC J23HW IC361 H-SIZE Q2314 Q2312 K23M K23N SUB DEF BOARD (Circuit side) IC2361 IC2351 Q361 Q364 IC2341 Q2341 IC2391 IC2371 Q2311 IC2311 Q2313 IC2381 BACK BOARD (Circuit side) BACK BOARD (Component side) K1001 K1002...
  • Page 65 Part No. 1AA6P2P0675-- F3TT (SHEET 7/7)
  • Page 66 SERVICE ADJUSTMENTS SERVICE ADJUSTMENTS-1 Note: Some items of the service adjustments for this chassis are controlled by the CPU, IC801, and the After replacing the memory IC, IC802, folllowing service adjustments must be carried out. adjustments are carried out by using the RC handset. STEREO SEPARATION ADJUSTMENT WHITE BALANCE ADJUSTMENT [After replacing the Menory IC (IC802)]...
  • Page 67 SP901 V IN R IN L IN A10B00400 D685 K1101 KR-2 2SC536E-NP 1AA0B10E35300 J30B0250N D684 1SS133 Q682 KR-1 :2SC536F-NP J12B1522N ;1SS176 J30B0250N 1SS133 :2SC536G-NP ASSY,PWB,FRONT F3TV :1SS176 :QT0378A :QT0378B R1101 C1102 PWB=1AA4B10E13100 C1105 R685 C684 KK100 KK100 D686 SP902 EM3.3 A10B00400 1SS133 R1909...
  • Page 68 FRONT_UNIT K19F (SEE SHEET 1) J11EH100N COIL IC671 BA178M09T :L78M09CV :MC78M09CT R671 2SJ22 C654 R891 J11EH120N 1/10GJ D801 C803 TP8A C671 C672 RC5V EM4.7 J10EA070N TECT 16EM R889 D671 KZ0.1FA C802 C800 C851 R800 1/10GJ 1SS355 :25KZ 6.3EM R806 R804 IC801 0.1FA 0.01...
  • Page 69 TO FRONT UNIT K16D (SEE SHEET 1) D664 Q664 R666 1S1553:1S2076A 2SC536 J10BP1200 :1S2471:DS442X (E-NP:F-NP RC5V :G-NP) D615 :QT0378(A:B) Power PC113B C632 :EL0199 24V(Audio) <CNY17F-3> J638 J639 24V(Audio) R665 D647 GND(Audio) 1SS(133:176) R601H1 GND(Audio) R601H3 R653 R652 R601A R602A T611 R601 R602H3 7WK1.8...
  • Page 70 TO FRONT_UNIT K19H TO FRONT_UNIT K19G (SEE SHEET 1) (SEE SHEET 1) J11EH070N J11EH050N FRONT JT110 SC-L R3422 C3448 1/10GJ SC-R R3421 1/10GJ C3415 JWA1 FR-V C3416 C3447 JWB1 R3432 FR-R R3434 1/10GJ C3427 1/10 C3446 FR-L GJ1K C3423 CSMO CSMO CPS1 CPS1...
  • Page 71 Part No. 1AA6P2P0674-- F3TV (SHEET 3/7)
  • Page 73 Part No. 1AA6P2P0674-- F3TV (SHEET 4/7)
  • Page 75 Part No. 1AA6P2P0674-- F3TV (SHEET 5/7)
  • Page 77 Part No. 1AA6P2P0674-- F3TV (SHEET 6/7)
  • Page 78 SUB DEF BOARD (Circuit side) SUB DEF BOARD (Component side) IC2331 VR391 H-OSC J23HW IC361 H-SIZE Q2314 Q2312 K23M K23N SUB DEF BOARD (Circuit side) IC2361 IC2351 Q361 Q364 IC2341 Q2341 IC2391 IC2371 Q2311 IC2311 Q2313 IC2381 BACK BOARD (Circuit side) BACK BOARD (Component side) K1001 K1002...
  • Page 79 Part No. 1AA6P2P0674-- F3TV (SHEET 7/7)
  • Page 80 SERVICE ADJUSTMENTS SERVICE ADJUSTMENTS-1 Note: Some items of the service adjustments for this chassis are controlled by the CPU, IC801, and the After replacing the memory IC, IC802, folllowing service adjustments must be carried out. adjustments are carried out by using the RC handset. STEREO SEPARATION ADJUSTMENT WHITE BALANCE ADJUSTMENT [After replacing the Menory IC (IC802)]...

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