Sanyo C29LK39S Service Manual

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SERVICE MANUAL Colour Television

VIDEO L-AUD IO-R

Specifications

Power Source . . . . . . . . .AC220V, 50Hz / 60Hz

Receiving System . . . . . .PAL (M/M, N/N), NTSC (M/M)

Channel Coverage

Antenna mode VHF: CH02-CH13, UHF: CH14-CH69

CATV mode

VHF band: CH01-CH13, Mid band: CH14-CH22

Super band: CH23-CH36, Hyper band: CH37-CH64

Ultra band: CH65-CH94 and CH100-CH125

Low mid band: CH95-CH99

Video IF . . . . . . . . . . . . . 45.75MHz

Aerial Input Impedance . . 75Ω

Ext. Terminals

Video inputs: Phono jack

Audio inputs: Phono jack (R/L)

Headphone Jack: Mini stereo jack

Sound Output (RMS) . . . . 3W + 3W

Speakers . . . . . . . . . . . 5cm x 9cm x 2 pcs.

Dimensions . . . . . . . . . 656(W)

Weight . . . . . . . . . . . . . approx. 31.0 Kg

Specifications subject to change without notice.

C4CM

VOLUME

2 (1Vp - p, 75Ω)

2 (436mVrms, more than 40KΩ)

600(H)

496(D)mm

FILE NO.

Model No. C29LK39S

Service Ref. No. C29LK39S-00

Product Code: 111355011

Original Version

Chassis Series: LA5-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.

This T.V. receiver will not work properly in

foreign countries where the television trans-

mission system and power source differ from

the design specifications. Refer to the specifi-

cation table.

(Argentina)

Table of Contents

Summary of Contents for Sanyo C29LK39S

Page 1 FILE NO. SERVICE MANUAL Colour Television Model No. C29LK39S (Argentina) Service Ref. No. C29LK39S-00 VIDEO L-AUD IO-R MENU VOLUME Specifications Product Code: 111355011 Power Source ..AC220V, 50Hz / 60Hz Receiving System ..PAL (M/M, N/N), NTSC (M/M)
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 Diagrams SYSTEM CONTROL...
Page 5: Ic Block Diagrams
IC Block Diagrams IC201 < IF/Video/Chroma/Def. > LA76818A Audio Output SIF Input FM Output/Selected SIF APC Filter Audio Output SIF Output PIF AGC Ext. Audio Input RF AGC Output PIF Input1 APC Filter VCO Coil 1 PIF Input 2 VCO Coil 2 IF Ground VCO Filter IF Vcc...
Page 6 IC Block Diagrams IC201 <IF System Block Diagram> LA76818A...
Page 7: Ic Block Diagrams
IC Block Diagrams IC002 < Audio AMP. > LA42052-E IC501 < Vertical Output > LA78040N, TDA9302H STANDBY Thermal Protection INPUT AMP. OUTPUT AMP. OUT1 Pump REF AMP. THERMAL POWER PROTECTION CIRCUIT OUT2 INPUT AMP. OUTPUT AMP. POP NOISE PREVENTION RIPPLE FILTER BLOCK BLOCK RIPPLE...
Page 8: Service Adjustments
Service Adjustments General This set has an On-screen Service Menu system includ- ed in the CPU thar allows remote operation for most of the service adjustments. Service Adjustment-1 1. Enter the Service Menu While pressing the MENU button on the televi- sion, press the Number Key 2 on the remote control ME NU unit.
Page 9 Service Adjustments On-screen Service Menu Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments. Item Initial value Range Description RFAGC 00~63 RF AGC adjustment H-PHA 00~31 H-PHASE adjustment (50Hz) V-POS 00~63 Vertical position adjustment (50Hz)
Page 10: Important Notice
Service Adjustments Item Initial value Range Description COOP 00~07 Colour Killer Y-APF 00, 01 Y-APF Select DEEM 00, 01 De-emphasis TC V-LVL 00~07 Video Level FMLVL 00~31 FM Level TTEST 00~07 Trap Test IFOM-S 00, 01 Over Mod. SW IFMN-S 00, 01 Audio Monitor SW, Monitor/FM IFTRPS...
Page 11 Service Adjustments Item 01 [RFAGC] AGC Item 12 [OSDHP] OSD POSITION NOTE: Do not attempt this adjustment with weak signal. (1) Receive a monochrome circular pattern. (1) Tune the receiver to most clearest (or strongest) VHF (2) Set the brightness and contrast to normal. station in your area.
Page 12 Service Adjustments Items 16-23 GREY SCALE (1) Receive a monochrome circular pattern. (2) Set the brightness and colour to normal, contrast to maximum. (3) Enter to the service mode. (4) Set each value of Item-16 RBIAS, 17 GBIAS, 18 BBIAS mode to 00. Set each value of Item-19 RDRIV, 21 BDRIV mode to 63, 20 GDRIV to 07.
Page 13 Service Adjustments Service Adjustment-2 (MTS Adjustment) Following table shows the initial values of MTS Adjustment which have been stored in the CPU ROM. Item Initial value Range INPUT LEVEL 00~63 HIGH SEPARATION 00~63 LOW SEPARATION 00~63 1. Enter the Service Menu While pressing the MENU button on the televi- sion, press the Number Key 3 on the remote control unit.
Page 14 Service Adjustments SOUND LEVEL ADJUSTMENT MAIN BOARD 1. Connect a signal generator to TP-301(- side of C3411) CH - CH - MENU MENU on the Main Board and the ground. Signal output=300Hz, SW1902 K1002A K1002 150mVrms. K1921 SW1901 D1902 2. Connect a DC Volt-Meter to TP-317( pin-38 of IC3401) R1001 C693 D1011...
Page 15: Service Adjustment
Service Adjustments 6. Select “HI SEPARATION” by pressing the CHANNEL UP/DOWN button on the remote control or TV set. INPUT LEVEL HI SEPARATION LOW SEPARATION ADJUST: - /+ CHOOSE: EXIT : MENU Minimum leakage TP-318 (L) 7. Adjust level of 4KHz at TP-318 (pin-39 of IC3401) to become minimum level by pressing the VOLUME (+/-) button on the remote control or TV set.
Page 16 Service Adjustments Service Adjustment-4 FOCUS ADJUSTMENT HIGH VOLTAGE CHECK (1) Receive the monochrome circular pattern. Note: +B (+130V) Voltage Check and Grayscale Adjustment (2) Set the brightness to normal and contrast to maximum. must be completed before attempting High Voltage Check. (3) Adjust the focus control on the F.B.T.
Page 17: Purity And Convergence Adjustment
Purity and Convergence Adjustment CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustment should be made only after picture tube or deflection yoke replacement, following the steps below: PURITY ADJUSTMENT 8. Tighten the mounting screw of the Deflection Yoke. Adjust 1.
Page 18: Cabinet Parts List
COIL SPRING-D8HA 610 288 9260 DEC IND-C4CA 610 288 9178 BUTTON UNITED-C4CE 610 288 9215 CABINET FRONT-C4CE 645 040 1107 BADGE,SANYO*53.5X12L53.5 610 270 3153 CABINET BACK-F5AA 610 315 5272 LABEL RATING-C4CM 645 051 8904 ASSY,REMOCON JXMRA 610 297 3723 RC-BATTERY LID-JXMRA...
Page 19: Chassis Electrical Parts List
Chassis Electrical Parts List C4CM 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 20 C4CM Ref. No. Part No. Description Ref. No. Part No. Description 405 163 1602 TR 2SC2812N-L6-TB0 405 173 9902 TR 2SC3928A1S 405 163 1701 TR 2SC2812N-L7-TB0 Q681 405 011 8401 TR 2SC1740S-Q 405 173 9803 TR 2SC3928A1R 405 011 8500 TR 2SC1740S-R 405 173 9902 TR 2SC3928A1S...
Page 21 C4CM Ref. No. Part No. Description Ref. No. Part No. Description 405 015 8902 TR 2SC2812-L7-TB C210 403 047 5005 ELECT 470U M 405 163 1602 TR 2SC2812N-L6-TB0 C212 403 155 4204 CERAMIC 15P J 405 163 1701 TR 2SC2812N-L7-TB0 C221 403 342 3300 CERAMIC...
Page 22 C4CM Ref. No. Part No. Description Ref. No. Part No. Description 403 276 9706 POLYESTER 0.1U K 100V C851 403 157 3106 CERAMIC 56P J C521 403 054 1502 ELECT 470U M C852 403 157 3106 CERAMIC 56P J C524 403 219 4904 MT-COMPO 0.27U J...
Page 23 C4CM Ref. No. Part No. Description Ref. No. Part No. Description R226 401 105 3406 MT-GLAZE 27K JA 1/16W 402 098 0601 WIRE WOUND 3.9 KA R227 401 105 4205 MT-GLAZE 33K JA 1/16W R611 401 020 0801 CARBON 470 JA 1/4W R228 401 024 7707...
Page 24 C4CM Ref. No. Part No. Description Ref. No. Part No. Description R837 401 105 5301 MT-GLAZE 4.7K JA 1/16W 408 047 8605 ZENER DIODE MTZJ6.8A R838 401 105 5301 MT-GLAZE 4.7K JA 1/16W D103 407 100 0204 ZENER DIODE MTZJ36A R839 401 105 4007 MT-GLAZE...
Page 25 C4CM Ref. No. Part No. Description Ref. No. Part No. Description 408 045 8508 DIODE RU3YX SW601 645 050 4129 SWITCH,PUSH POWER 2P-2T D654 407 106 2806 DIODE RU3YX 652 001 4565 SWITCH,PUSH POWER 2P-2T 408 045 8508 DIODE RU3YX X161 421 009 9403 SAW F TSF5246P...
Page 26 C4CM Ref. No. Part No. Description Ref. No. Part No. Description R715 401 009 1508 CARBON 2.7K JA 1/2W R721 401 105 1907 MT-GLAZE 180 JA 1/16W R723 401 105 2706 MT-GLAZE 220 JA 1/16W R724 401 065 4604 OXIDE-MT 12K JA R725 401 009 1508...
Page 27 July/’04 NEWSAN S. A. Una empresa del grupo SANYO Electric Co.
Page 28 =12K W: Wire wounding SERVICE may be some components or partial circuit differences between the Rated wattage (1/2W) C29LK39S-00 C: Solid actual chassis and the circuit diagram. REF. NO. 9. Parts specified with "X" are not installed in this model.
Page 29 Waveforms & Voltages CRT BOARD (Component Location) (On the Main Board) 1AA4B10E6900B IC002 (AUDIO AMP.) Pin-1 7.7V 1.6V 1.6V 5.8V 12.0V 18.2V 7.5V Q701 R741 B-OUT D741 10 GND 7.6V D742 J702 IC201 (IF/VIDEO/CHROMA) Q701-L D754 Q711 Pin-1 2.3V 2.3V 2.7V 1.6V 2.9V...

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