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Sanyo 29-F5BA Service Manual
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Sanyo 29-F5BA Service Manual

Sanyo 29-F5BA Service Manual

Colour television
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SERVICE MANUAL Colour Television
Specifications
Power Source . . . . . . . . .AC220V, 50Hz / 60Hz
Receiving System . . . . . .PAL (N/N, M/M), NTSC (M/M)
Channel Coverage
Antenna mode VHF: 02-13, UHF: 14-69
CATV mode
VHF band: 01-13, Mid band: 14-22
Super band: 23-36, Hyper band: 37-94
Ultra band: 100-125
Low mid band: 01 and 95-99
Video IF . . . . . . . . . . . . .45.75MHz
Sound IF
. . . . . . . . . . . .41.25MHz
Aerial Input Impedance . .75Ω
Ext. Terminals
Video inputs: Phono jack
S-Video terminal (DIN 4 pin, separate Y/C signal input)
Audio inputs: Phono jack (R/L)
Video monitor outputs: Phono jack
Audio monitor outputs: Phono jack (R/L)
Variable Audio Output: Phono jack (R/L)
Sound Output (RMS)
. . .5W + 5W
Dimensions . . . . . . . . . .768(W)
Weight . . . . . . . . . . . . . .approx. 35.7Kg
Specifications subject to change without notice.
F5BA/F5BAS
2(1Vp - p, 75Ω)
2 (436mVrms, more than 40KΩ)
1(1Vp - p, 75Ω)
1 (436mVrms, less than 600Ω)
1 (less than 1 KΩ)
617.5(H)
487(D)mm
FILE NO.
Model No. 29-F5BA
Service Ref. No. 29-F5BA-00
VIDEO
1
4
7
DISPLAY CH-RECALL
CH
VOL
CH
Product Code: 1 113 338 00
Original Version
Chassis Series: LB1-A
Give complete "SERVICE REF. NO." for parts
order or servicing. It is shown on the rating plate
at the cabinet back of the unit.
1
This T.V. receiver will not work properly in
foreign countries where the television
transmission system and power source dif-
fer from the design specifications. Refer to
the specification table.
(Argentina)
29-F5BA-01
POWER
2
3
5
6
SLEEP
8
9
MUTE
0
IMAGE
VOL
MENU
JXVD

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  • Page 1 FILE NO. SERVICE MANUAL Colour Television Model No. 29-F5BA (Argentina) Service Ref. No. 29-F5BA-00 29-F5BA-01 VIDEO POWER SLEEP MUTE DISPLAY CH-RECALL IMAGE MENU JXVD Specifications Product Code: 1 113 338 00 Power Source ..AC220V, 50Hz / 60Hz Receiving System .

  • Page 2: Table Of Contents

    Contents Safety Notice ............... . 2 Chassis Block Diagram .

  • Page 3: Chassis Block Diagram

    Chassis Block Diagrams (Main Signal Processing Circuit)

  • Page 4: Chassis Block Diagram

    Chassis Block Diagrams (System Control)

  • Page 5: Ic Block Diagrams

    IC Block Diagrams LA7687N < IF/Video/chroma/Def. > IC201 AV-SW/SECAM LA7687 4.5MHz L-SECAM 5.5MHz A-OUT ID OUT RF AGC VIF IN 9.5MHz AFT OUT VIDEO OUT IF AGC SOUND TRAP 3.58MHz 4.43MHz S-SW S-CHROMA R-Y OUT EXT-VIDEO B-Y OUT VCC 5V R-Y IN B-Y IN KILLER...
  • Page 6 IC Block Diagrams LC89950 < IH DL > IC271 LC89950 B-Y OUT OUTPUT CLAMP S&G, AMP 254.5bit AUTO-BIAS ø1 ø2 LEVEL INCREASER AUTO-BIAS R-Y OUT OUTPUT CLAMP 254.5bit S&G, AMP ø1 ø2 4MHz BGP IN 4MHz OUT DETECTOR CLOCK DRIVER COMP PULSE SHAPER DUTY...
  • Page 7 IC Block Diagrams UPC1851< MTS> IC3401 Power Supply Analog Ground Volume Control Block L-channel Offset Absorption 2.2µF R-channel Offset Absorption 0.022µF L-channel Capacity of R-channel Capacity of High Frequency Tone Control Block High Frequency Band Width Band Width R-channel Capacity of Low Frequency 0.1µF L-channel Capacity of...

  • Page 8: Ic Block Diagrams

    IC Block Diagrams TDA7263M < AUDIO AMP. > IC001 RF I 27K INVERTING INPUT (1) OUTPUT-L NON INVERTING INPUT (1) SUR/MUTING MUTE PROTECTION REFERENCES TURN ON AND OFF PROTECTION NON INVERTING INPUT (2) OUTPUT-R INVERTING INPUT (2) RF I 27K TDA7263M STR81145A <...

  • Page 9: Service Adjustments

    Service Adjustments Horizontal Centring Adjustment Vertical Centring Adjustment 1. Receive the mono-chrome circular pattern. 1. Tune the receiver to an active channel. Check that the picture is in the 2. Adjust VR351 for optimum horizontal centre centre of TV screen. position.

  • Page 10: Service Information

    Service Adjustments Gray Scale Adjustment Q431 1. Receive the mono-chrome circular pattern. HORIZ. 2. Set the picture mode to “NORMAL” mode by VR465 DRIVE H-WIDTH pressing the IMAGE button on the remote control. T451 VR510 F.B.T. V-SIZE NORMAL L430 FOCUS SCREEN TP-G TP-H 3.

  • Page 11: Service Mode Adjustments

    Adjustments in the Service Mode Since some chassis circuit adjustments are controlled by the CPU built into the chassis, adjustments can be made by inputting data directly via the remote control handset supplied with set. [Memory IC replacement] Since adjustment data for the circuit is stored in the memory IC (IC802) that comes with the CPU, the initializing of the memory IC and re-inputting of the adjustments data must be made when the memory IC is replaced.

  • Page 12: Adjustment In The Service Mode

    Adjustment in the Service Mode Sound Input Level Adjustment 1. Connect a signal generator to TP301 (C3407, - side) on 1H DELAY Q111 the Main Board and ground. Signal output=300Hz, 150mVrms. IC201 2. Connect a DC Volt-Meter to TP-317 (C3437, + side) and Q243 ground.
  • Page 13 Adjustment in the Service Mode MTS Filter Adjustment 1. Connect a signal generator to TP301 (C3407, - side) on 1H DELAY Q111 IC201 the Main Board and ground. Signal output=15.734KHz, 100mVrms. Q243 Q242 2. Connect an Audio Volt-Meter to TP317 (C3437, + side) and X161 X242 ground.

  • Page 14: Adjustment In The Service Mode

    Adjustment in the Service Mode 5. Adjust level of 300Hz at TP317 to become minimum by pressing the VOLUME(+ / -) button on the remote control or TV set. Minimum leakage TP317 (R) 300Hz 6. Select “HI SEPARATION” by pressing the CHANNEL UP/DOWN button on the remote control or TV set. INPUT LEVEL STEREO VCO FILTER...

  • Page 15: Mechanical Disassemblies

    Mechanical Disassemblies CABINET BACK REMOVAL 1. Refer to Figure-1, remove 11 screws. 2. Pull the cabinet back off and remove the cabinet back. VHF/UHF/CATV INTERNAL S-VIDEO SPEAKERS VIDEO AUDIO INPUT MONITOR OUTPUT (MONO) AUDIO OUT R AUDIO L VIDEO (VARIABLE) [ Figure-1.

  • Page 16: Cabinet Parts List

    610 266 5901 BUTTON UNITED 610 266 1248 CABINET FRONT 610 274 1889 CABINET BACK 610 289 6527 LABEL RATING (Service Ref. No. 29-F5BA-00) 610 289 6534 LABEL RATING (Service Ref. No. 29-F5BA-01) 610 274 2718 DEC REAR SHEET -16-...

  • Page 17: Chassis Electrical Parts List

    Chassis Electrical Parts List F5BA Service Ref. No. 29-F5BA-00 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 18 F5BA Ref. No. Part No. Description Ref. No. Part No. Description 610 265 3304 ASSY,PWB,SOCKET E7BB 610 266 2115 ASSY,PWB,AC SW E7BB 1AA0B10E34800 1AA0B10E36800 TRANSISTOR MISCELLANEOUS Q701 406 000 3605 TR 2SC3620(LB-SAN-1) F1401 423 024 8409 FUSE 250V 405 014 8408 TR 2SC2568(1)-K 423 007 2103 FUSE...
  • Page 19 F5BA Ref. No. Part No. Description Ref. No. Part No. Description 405 006 1806 TR 2SA933S-R Q461 405 064 7307 TR 2SB1274-Q-RA Q201 405 011 8401 TR 2SC1740S-Q 405 064 7406 TR 2SB1274-R-RA 405 011 8500 TR 2SC1740S-R Q462 405 011 8401 TR 2SC1740S-Q 405 011 8609 TR 2SC1740S-S...
  • Page 20 F5BA Ref. No. Part No. Description Ref. No. Part No. Description Q691 405 011 8401 TR 2SC1740S-Q 405 020 7907 TR 2SC945A-RA 405 011 8500 TR 2SC1740S-R Q861 405 011 8401 TR 2SC1740S-Q 405 011 8609 TR 2SC1740S-S 405 011 8500 TR 2SC1740S-R 405 012 2002 TR 2SC1815-GR...
  • Page 21 F5BA Ref. No. Part No. Description Ref. No. Part No. Description C104 403 049 9803 ELECT 2.2U M C3412 403 090 6004 TA-SOLID 3.3U K C1101 403 041 8804 ELECT 10U M C3413 403 049 0008 ELECT 1U M C1102 403 041 8804 ELECT 10U M...
  • Page 22 F5BA Ref. No. Part No. Description Ref. No. Part No. Description 404 044 2806 CERAMIC 470P K 400V R108 401 150 6001 MT-GLAZE 0.000 ZA 1/10W C629 404 073 5106 CERAMIC 470P K 250V R1101 401 022 6801 CARBON 75 JA 1/4W 404 073 3102 CERAMIC...
  • Page 23 F5BA Ref. No. Part No. Description Ref. No. Part No. Description R237 401 256 5700 MT-GLAZE 2.7M JA 1/10W R504 401 256 5700 MT-GLAZE 2.7M JA 1/10W R241 401 025 1902 CARBON 15K JA 1/6W R510 401 024 6700 CARBON 100 JA 1/6W R242...
  • Page 24 F5BA Ref. No. Part No. Description Ref. No. Part No. Description R816 401 256 6301 MT-GLAZE 47K JA 1/10W 645 021 2727 INDUCTOR,3.3U,FILTER R817 401 255 6500 MT-GLAZE 100 JA 1/10W L432 610 031 9998 PIPE CORE R819 401 162 3104 MT-GLAZE 3.3K JA 1/10W L441...
  • Page 25 F5BA Ref. No. Part No. Description Ref. No. Part No. Description 407 011 3004 DIODE S5277B SW1905 645 004 3062 SWITCH,PUSH 1P-1TX1 408 009 9404 DIODE 1N4002ID SW1906 645 004 3062 SWITCH,PUSH 1P-1TX1 D603 407 006 6300 DIODE ERC05-10B X131 610 015 2946 CERAMIC FILTER 4.5MHZ 407 009 6901...

  • Page 26: Chassis Electrical Parts List

    OUT OF CIRCUIT BOARD NOTES: Read description in the Capacitor and Resistor as follows: Refer to page 17. CAPACITOR Difference between Service Ref. No. 29-F5BA-00 and CERAMIC 100P K 50V Service Ref. No. 29-F5BA-01 is as follows: Rated Voltage PICTURE TUBE...
  • Page 27 Nov. /’00...

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