Sanyo C29LK41S 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

Aerial Input Impedance . . 75Ω

Input Terminals

AV1 (Video): Phono jack ✕ 1

AV1 (Audio): Phono jack (R/L) ✕ 1 set

AV2 (Video): Phono jack ✕ 1

AV2 (Audio): Phono jack (R/L) ✕ 1 set

Headphone Jack: Mini stereo jack ✕ 1

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

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

Dimensions . . . . . . . . . 656(W) ✕ 600(H) ✕ 496(D)mm

Weight . . . . . . . . . . . . . approx.

Specifications subject to change without notice.

BC7E

VOLUME

FILE NO.

Model No. C29LK41S

Service Ref. No. C29LK41S-00

JXMRR

Product Code: 13007404

映像メディア（事）デザイン部

Original Version

Chassis Series: LA6-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 speci-

fication table.

(Argentina)

Table of Contents

Summary of Contents for Sanyo C29LK41S

Page 1: Specifications
FILE NO. SERVICE MANUAL Colour Television Model No. C29LK41S (Argentina) Service Ref. No. C29LK41S-00 VIDEO L-AUD IO-R MENU VOLUME JXMRR Specifications Product Code: 13007404 Power Source ..AC220V, 50Hz / 60Hz Receiving System ..PAL (M/M, N/N), NTSC (M/M) Channel Coverage 映像メディア（事）デザイン部...
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 POWER SUPPLY IC (STRW6754)
Page 5: Ic Block Diagrams
IC Block Diagrams IC201 < IF/Video/Chroma/Def./CPU > LA76933...
Page 6 IC Block Diagrams IC501<Vertical.Output> LA78141 IC001<AUDIO AMP> LA42032...
Page 7 IC Block Diagrams IC3401 <MTS> CXA2234QP...
Page 8: Service Adjustments
Service Adjustments General This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments. IC802 (EEPROM) Replacement When IC802 (EEPROM) is replaced, IC801 (CPU) will automatically write the initial reference data into IC802 for basic TV operation. However, the bus data should be checked and some bus data should be set up before attempting the service adjustments.
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. When IC802 (EEPROM) is replaced, check the bus data to confirm they are the same as below. The shaded menu should be checked and be set up or readjusted according to the procedures described in the following pages.
Page 10 Service Adjustments Item Initial value Range Description BLKG 00~03 Blk.STR.gain BRTA 00~01 Brt. Abl. Def BRST 00~01 Mid. Stp. Def BRTH 00~07 Bright. Abl. Threshold 00~03 WPL Ope. Point (W/ Defeat) YGAM 00~03 Y Gamma Start PRES 00~03 AV Mode Pre Shoot adj OVERS 00~03 AV Mode Over Shoot adj...
Page 11 Service Adjustments Item Initial value Range Description AVNBRI 00~127 BRIGHT (No Signal in AV) POMT 00~127 Power Mute Time CHMT 00~31 CH Mute Time SYST 00~255 System N RELAY 00~255 Power relay on time(8msec) 1~63 CAPTION Horizontal Remark Position AVTVTM 0~255 FEATHER MENU AV/TV CHAGNE FM-G...
Page 12: Important Notice
Service Adjustments Important Notice: Do not attempt to adjust service adjustments not listed on below otherwise it may cause loss of performance and for correct operation. Item 01 [RFAGC] AGC Item 04 [V-SIZ] VERTICAL SIZE NOTE: Do not attempt this adjustment with weak signal. 1.
Page 13: Main Board
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 14 Service Adjustments Service Adjustment-2 (MTS Adjustment) 1. Enter the Service Menu While pressing the MENU button on the televi- sion, press the Number Key 3 on the remote control unit. The Service Menu now appear. INPUT LEVEL HI SEPARATION LOW SEPARATION VID EO L-A UD IO -R MEN U CH s...
Page 15 Service Adjustments SOUND LEVEL ADJUSTMENT 1. Connect a signal to the antenna terminal with audio signal of 1KHz at 100% modulated. 2. Connect a DC Volt-Meter to TP-317 ( pin-38 of IC3401) and the ground. 3. Switch the TV set on, and set the Surround OFF. Press and hold the MENU button on the TV set, and press “3”...
Page 16 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 the 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 17: Protection Circuit
Service Adjustments Service Adjustment-4 Protection Circuit This TV set has a built-in power supply protection circuit. FOCUS ADJUSTMENT It is provided to protect the TV set in case of a power supply circuit malfunctions. When something abnormality 1. Receive the monochrome circular pattern. occurs during TV reception, the TV set goes to the stand- 2.
Page 18: 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 19: Cabinet Parts List
Part No. Description 1AA2BUM0276-A BUTTON POWER-C4CE 1S00620 COIL SPRING-D8HA 1AA2DEM0200-- DEC IND-C4CA 映像メディア（事）デザイン部 1AA2BUM0277-- BUTTON UNITED-C4CE 1AA2CAM0295C- CABINET FRONT-C4CE 1AV2BAAS009-- BADGE,SANYO*53.5X12L53.5 1AA2CBM0129A- CABINET BACK-F5AA 1AA6P4S3257-- LABEL RATING-BC7E 1AV0U10B28601 ASSY,REMOCON JXMRR 1AA2RCM0223-- RC-BATTERY LID-JXMRA 1AV4U19B00700 ANTENNA CONVERTER 1AV4U19B00701 ANTENNA CONVERTER 1LG6P1P0190--...
Page 20: 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. It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark.
Page 21 Chassis Electrical Parts List Safety Safety Location Part No. Description Location Part No. Description A013 013BC7E ELECTRICAL PARTS DIRECTORY C224 CK1E473KGQBNZ CERAMIC 0.047U K 25V C225 CEXLB1HR47VDN ELECT 0.47 U M 50V L901 1LB4L81B01500 COIL,DEGAUSSING C226 CEXLB1HR47VDN ELECT 0.47 U M 50V L901 1LB4L81B02200 COIL,DEGAUSSING...
Page 22 Chassis Electrical Parts List Safety Safety Location Part No. Description Location Part No. Description C436 CEXLB2CR47WAN ELECT 0.47U M 160V C615 CFXLB1J471YAN POLYESTER 470P J 63V C437 CG2E474JAAANN MT-POLYEST 0.47U J 250V C615 CFXLB1J471ZAN POLYESTER 470P J 63V C441 CM2E274JAPA0N MT-POLYPRO 0.27U J 250V C615 CF1H471JAAANN POLYESTER 470P J 50V...
Page 23 Chassis Electrical Parts List Safety Safety Location Part No. Description Location Part No. Description D122 DZUDZS12B---G ZENER DIODE UDZS-TE-1712B D502 DDXLBB012---N DIODE ERA15-02 D123 DZUDZS12B---G ZENER DIODE UDZS-TE-1712B D502 DDXLBB040---N DIODE ERA15-02 D1301 DZUDZS12B---G ZENER DIODE UDZS-TE-1712B D605 DDERC05-10B-N DIODE ERC05-10B D1302 DZUDZS12B---G ZENER DIODE UDZS-TE-1712B D605...
Page 24 Chassis Electrical Parts List Safety Safety Location Part No. Description Location Part No. Description D668 DDXAAED0434-- DIODE 1N4148 L461 LM0045 INDUCTOR 202J D668 DDXLBB047---N DIODE 1SS133ST L461 LM0045D INDUCTOR D668 DDXLBB054---N DIODE 1N4448 L461 1AV4L26B0170N INDUCTOR,2200U K D668 DD1SS133----N DIODE 1SS133 L462 1LB4L26B0490N INDUCTOR,350UH...
Page 25 Chassis Electrical Parts List Safety Safety Location Part No. Description Location Part No. Description R019 RDB2R20JPBANN CARBON 2.2 JA 1/4W R236 RGF1200JTCANZ MT-GLAZE 120 JA 1/10W R020 RDB2R20JPBANN CARBON 2.2 JA 1/4W R240 RGFR000ZTCANZ MT-GLAZE 0.000 ZA 1/10W R021 RDB2R20JPBANN CARBON 2.2 JA 1/4W R241 RGFR000ZTCANZ MT-GLAZE 0.000 ZA 1/10W...
Page 26 Chassis Electrical Parts List Safety Safety Location Part No. Description Location Part No. Description R488 RFXLB12R2JZAN FUSIBLE RES 2.2 J 1W R651 RGF1003JTCANZ MT-GLAZE 100K JA 1/10W R501 RND1002FPAANN MT-FILM 10K FA 1/6W R653 RGF1003JTCANZ MT-GLAZE 100K JA 1/10W R502 RSXLB21R0JXAS OXIDE-MT 1.0 JA 2W R654...
Page 27 Chassis Electrical Parts List Safety Safety Location Part No. Description Location Part No. Description SW1904 1AV4S10B2790J SWITCH,PUSH 1P-1TX1 Q701A T2SC2688(1)MN TR 2SC2688(1)-M SW1904 1LB4S10B0200J SWITCH,PUSH 1P-1TX1 Q711A TXXAAQT0229Z- TR 2SC3620(LB-SAN-1) SW1905 1AV4S10B0450J SWITCH,PUSH 1P-1TX1 Q711A T2SC2621-DRAN TR 2SC2621-D-RA SW1905 1AV4S10B2790J SWITCH,PUSH 1P-1TX1 Q711A T2SC2621-ERAN...
Page 28 Mar./’07 NEWSAN S. A. Una empresa del grupo SANYO Electric Co.
Page 29 N: Metalized carbon SERVICE Kind (M.carbon) S: Oxied metalized 8. This circuit diagram covers a basic or representative chassis only. C29LK41S-00 W: Wire wounding Rated wattage (1/2W) There REF. NO. C: Solid may be some components or partial circuit differences between the actual chassis and the circuit diagram.
Page 30 Waveforms & Voltages Component Location (On the Main Board) IC001 (AUDIO AMP.) Pin-1 10V 2.9V 0.5V 10.9V 4.8V 4.7V 10 GND 4.7V IC201 (IF/VIDEO/CHROMA/CPU) Pin-1 2.0V 2.4V 3.1V 2.2V 2.3V 2.3V 2.3V 5.0V 2.5V 3.6V 8.3V 2.6V 2.5V 2.4V 2.3V 1.7V 5.1V 20 2.7V...

Sanyo C29LK41S Service Manual

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