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Sampo SC-29FAS Service Manual

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SERVICE MANUAL
1、 Caution.................................................................................2
2、 Specification...........................................................................6
3、 Alignment Procedure ...............................................................9
4、 Block Diagram ............... ............ ... ................................. 21
5、 Schematic Diagram ...... ........................... ...........................22
6、 IC Brief Introduction ............ ...... ...... ......... ........................27
7、 PCB Layout ........................... ......... .................................29
9、 BOM list.................................................................................32
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product
SAMPO
SC-29FAS
..................... ....................................31

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Summary of Contents for Sampo SC-29FAS

  • Page 1: Table Of Contents

    SAMPO SERVICE MANUAL SC-29FAS 1、 Caution………………………………………………………………………2 2、 Specification…………………………………………………………………6 3、 Alignment Procedure ………………………………………………………9 4、 Block Diagram …………… ………… … …………………………… 21 5、 Schematic Diagram …… ……………………… ………………………22 6、 IC Brief Introduction ………… …… …… ……… ……………………27 7、 PCB Layout ……………………… ……… ……………………………29 …………………...

  • Page 2: Caution

    1、 CAUTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UTION: TO REDUCE THE RISK OF CAUTION ELECTRICAL SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE RISK RISK OF OF ELECTRI ELECTRIC C PARTS INSIDE.

  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Save these instructions for later use. Follow all Warnings and Instructions marked on the audio equipment. 1. Read Instructions- All the safety and operating instructions should be read before the product is operated. 2.
  • Page 4 PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.

  • Page 5: If The Set Does Not Operate Properly

    OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.

  • Page 6: Specification

    2、Specification Model 29E12 Item Master Data -Version V2.0 -Customer ID -Destination -Brand -BOM NO. 03-BE12SQ-SM0 -Chassis -Tuning [Channels Amt.] -Tuning [Indication] -Frequency Bands Full-Cable -IF Frequency 45.75MHz -TV Systems (Color+ Sound) NTSC M -AV Systems NTSC M / PAL M N Picture-Processing -SCAN Standard...
  • Page 7 Model 29E12 Item Balance Equalizer X(substitute for T&B) Smart Sound * modes Others Loudness -Speakers Quantity User Interface -Menu Language English, Spanish, French,Portuguese -Features [General] Biological Lock Calendar Clock Channel Swap Channel Adjustment Channel Naming Child Lock Preset Lock Max volume Panel Lock AV Lock Favorite Channel...
  • Page 8 Model 29E12 Item Connectors Rear -SCART Full w/o Y/C -SCART Full with Y/C -SCART Single (CVBS) -Component In (YPbPr) Cinch for 50Hz -In Y/C+Cinch(CVBS+ Stereo) -In Y/C+Cinch (CVBS+ Mono) -In Cinch(CVBS+ Stereo) -In Cinch (CVBS+ Mono) -Out Cinch(CVBS+ Stereo) -Out Cinch(CVBS+ Mono) -Super Woofer -Digital Audio Out -Loudspeakers...

  • Page 9: Alignment Procedure

    3、Alignment Procedure Table of Content 1.GENERAL............................1.1 COMMON INFORMATION ........................1.2 HOW TO ENTER&EXIT FACTORY MODE (SERVICE MENU, SERVICE MODE) ......1.3 A FEW SPECIAL MODES........................2. ALIGNMENT PROCEDURES: ......................2.1 B+ VOLTAGE ADJUSTMENT........................ 2.2 CRYSTAL OSCILLATOR FREQUENCY ADJUSTMENT............... 2.3 RF AGC ADJUSTMENT ........................2.4 SCREEN &...

  • Page 10: General

    1. GENERAL 1.1 Common Information Use isolating transformer with low internal resistance. Mains voltage is 100-240 V AC, unless otherwise stated. All voltages and waveforms mentioned are with respect to Ground. Do not use heat-sink as Ground 1.2 How to enter&exit factory Mode (Service menu, service mode) 1.2.1 Certain alignment procedures need to enter Factory Mode (Service Menu).

  • Page 11: Alignment Procedures

    Don’t try to initialize EEPROM, unless software can’t work normally. 2. Alignment procedures: 2.1 B+ voltage adjustment 2.1.1 Needn’t adjust B+ voltage on the line. All relevant connectors and modules must be connected and inserted. Mains voltage is at 230VAC, 50Hz or 110VAC, 60Hz. Apply Color Bar Testing Pattern to RF in put.

  • Page 12: Adjustment Of Sub-Brightness

    2.5.1 Choose Black and White pattern signal (PAL). 2.5.2 On factory mode, press “1” key enter white balance adjustment. 2.5.3 Measure the dark side of the picture with a color analyzer adjust RED and GRN until the data on the analyzer match standard data.(x=274+8, y=280+8).

  • Page 13: Eht/Hew Ratio Test： （Test With Pc Program

    2.7.2 Horizontal geometry adjustment a. Input a PAL cross hatch pattern with black and white background signal. b. Press key “3” enter Horizontal geometric adjustment. c. Use remote control to adjust one by one , watch the figure, until the center and the vertical line at left and right side of the picture become straight.

  • Page 14: Ps Line Polarities Test

    2.10 PS line polarities test This test only the machines which will sell to NAFTA should be done. Test method ： Connect as drawing below ： DC Power Supply Sound clew equipment 2.2k Power Supply jack M TO F801 Plug the card power connector plugs to Power Supply jack M, and use multimeter pen touch F801 random pin, then LED DX should luminescence and clew with sound, otherwise it is unqualified.

  • Page 15: Heater Voltage Test ( Random Test )

    Measure the EHT-voltage at zero beam current (I = 0µA). beam Subsequently, measure the EHT-voltage at respective I beam(s) . It should satisfy request below ： EHT-voltage (KV) Beam current = 50µA =50µA&1200µA 2.13 Heater voltage test ( random test ) Equipment requirements : True RMS Voltmeter Input signal type ：...
  • Page 16 KEY3 KEY2 Model 6SCL* 6WBF* 6WBR* 6BSWBF* 6BSWBR* 5HSH* 5PAR* 5BOW* 5EWW* 5EWP* 29276SQ S29E12K S29M62K...
  • Page 17 KEY3 Model 5EWT 5UCR* 5LCR* * 6HSH* 6PAR* 6BOW* 6EWW* 6WEP* 6UCR* 6LCR* 6EWT* 29276SQ S29E12K S29M62K KEY4 Model CPEK CFPEK CFPEK CFPEK IFPL BBTC VG2BRI* HDOL AGC* R/G/B 29276SQ 3.5M 3.1M 4.0M S29E12K 3.5M 3.1M 4.0M 3.5M 3.1M 4.0M S29M62K KEY5 Model...
  • Page 18 KEY 7 Model No. 5CCD SHPTV4 SHPX SHPN 5OSDH 5OSDV 5MENUV MENUH 29276SQ S29E12K S29M62K KEY 7 Model 6CCDH 6CCDV 6OSDH 6OSDV 6MENUV MENUH 29276SQ S29E12K S29M62K KEY8 Model OPT1* OPT2* OPT3* OPT4* OPT5* OPT6* OPT7* OPT8* OPT9* OPT10* 29276SQ S29E12K S29M62K KEY9...
  • Page 19 KEY DISPLAY KEY0 Model No. PSCALE YDFE MONO DCXO NICLP CAPV* INV* 29276SQ 0.375 inverted S29E12K 0.375 inverted S29M62K KEY0 KEY NOTEBOOK Model BASS TREBLE 300Hz PLIM PCENTER* LOUNDESS 29276SQ S29E12K S29M62K KEY NOTEBOOK KEY FAVORITE Model 500Hz 1K Hz 5K Hz 8K Hz Warm*...

  • Page 20: Cdrh Document ( If Available)

    4. White balance address R G B R AMP G AMP B AMP R CUT G CUT B CUT Remark Offset DATA ***** Factual setup IC write(LsB) Sub Add ***** Start Bit ***** St0p Bit ***** PROM Sub Add(LsB) ***** TV standard color TEM Reference BJ SanAi(SWB-301)

  • Page 21: Block Diagram

    4、Block Diagram SIDE AV OUTPUT BOARD S-VIDEO Y Cb Cr AUDIO R/L/MUTE Speaker AMPLIFIER PRE- SAW filter TDA8177 AMPLIFIER Z100 IC600 Q100 TDA12001H IC200 VIDEO RGB AKB AMPLIFIER 24C16 CIRCUIT IC001 HOR. OUT VERTICAL SCAN SAW WAVEFORM VERTICAL SCAN SCREEN AMPLIFIER FOCUS TDA8177 IC300...

  • Page 27: Ic Brief Introduction

    6、 IC Brief Introduction -N1F series Versatile signal processor for low- and mid-range TV applications Rev. 3.1 — 10 January 2005 Preliminary data sheet 1. General description The UOC series combines the functions of a Video Signal Processor (VSP) together with a FLASH embedded TEXT/Control/Graphics -Controller (TCG -Controller) and US Closed Caption decoder.
  • Page 28 xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx SSIF QSSO/AMOUT SCART/CINCH IN/OUT LS-OUT HP-OUT REFO SWITCH AUDIO CONTROL AUDIO SELECT SOUND PLL SIFIN/DVBIN QSS SOUND IF VOLUME...

  • Page 29: Pcb Layout

    7、 PCB Layout...

  • Page 31: Explode View Diagram

    8、 Explode View Diagram...

  • Page 32: Bom List

    9、 BOM list Part No. Description QtyUnit BOM text T8-002909-SKY ASS'Y - SKD PACKING 1 EA 74-060060-40F POLYBAG ANTISTATIC (MAIN PCB) 1 PC 75-326030-C00 SKD POLYFOAM 1.25 PC 76-002509-0AC CARTON BOX 0.08 PC 74-015020-50Q PLASTIC BAG 1 PC FOR CRT BD PACKING T8-29RFLN-HF3QA ASS'Y - CRT PARTS 1 PC T8-29RFLN-CHF3QA ASS'Y - FOR CRT BD...
  • Page 33 11-SA1837-0AX TRANSISTOR 2SA1837 1 PC Q707 11-SC1815-YBX TRANSISTOR 2SC1815-Y (NPN) 1 PC Q701 11-SC1815-YBX TRANSISTOR 2SC1815-Y (NPN) 1 PC Q702 11-SC1815-YBX TRANSISTOR 2SC1815-Y (NPN) 1 PC Q704 11-SC1815-YBX TRANSISTOR 2SC1815-Y (NPN) 1 PC Q705 11-SC1815-YBX TRANSISTOR 2SC1815-Y (NPN) 1 PC Q703 11-SC4793-0AX STANSISTOR 2SC4793...
  • Page 34 26-EBP101-JCS CAP. CER 100 PF 50V +/-5% 1 PC C708 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 PC C701 34-A100K0-1IX COIL CHOKE 10 UH +/-10% 1 PC L701A 35-LB1005-0IX FERR BEAD H75 (3.5X1X5) 1 PC L704 35-LB1005-0IX FERR BEAD H75 (3.5X1X5) 1 PC L703 35-LB1005-0IX...
  • Page 35 19-BB0100-JTX RES. SMD 10 OHM 1/10W +/-5% 1 PC R534 19-BB0100-JTX RES. SMD 10 OHM 1/10W +/-5% 1 PC R514 19-BB0103-JTX SMD. RES 10K OHM 1/10W +/-5% 1 PC R522 19-BB0103-JTX SMD. RES 10K OHM 1/10W +/-5% 1 PC R532 19-BB0103-JTX SMD.
  • Page 36 41-WJ0090-B00 WIRE BARE JUMPER 9MM 1 PC J986 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC J983 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC J985 46-39136H-07XG 7P 2468#24/1185#26 550 TJC3-7Y/SC 1 PC P003C FOR SM. BD 47-RCA178-XX0G RCA SOCKET AV-3.2-3LK15 1 PC P941 41-WJ0100-B00 WIRE BARE JUMPER 10MM...
  • Page 37 41-WJ0060-B00 WIRE BARE JUMPER 6MM 1 PC J301 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 PC J402 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 PC R824B 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 PC R604 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 PC R323 46-12866W-02XG PIN BASE *2 S11-02Y 1 PC...
  • Page 38 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 PC R316 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 PC R314 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 PC R615 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 PC R605 18-CB0122-JNX RES.
  • Page 39 27-MCC104-J0X CPM 100N0F +5% 100.0V R=N 1 PC C421 27-PBC102-J0X CAP. P.E 0.001UF 63V +/-5% 1 PC C606 27-PBC102-J0X CAP. P.E 0.001UF 63V +/-5% 1 PC C600 34-A109K0-1IX COIL CHOKE 1 UH +/-10% 1 PC L401 36-WID472-XX1 COIL WIDTH 4.7MH TD1016A4701 1 PC L404 40-M68001-LSB1XG P.C.B LS BD...
  • Page 40 66-343730-0B0 HOLLOW RIVET 1.6MMX3.0MMX3.2MM 4 PC FOR T402 66-343730-0B0 HOLLOW RIVET 1.6MMX3.0MMX3.2MM 4 PC FOR L400, L403 67-H30147-0A0 HEAT SINK 1 PC FOR Q405 67-H30179-7A0 HEAT SINK 1 PC FOR IC300 67-H40067-2A0 STANDARD HEAT SINK 1 PC FOR Q407 67-M40068-1E4 CRT BRACKET 1 PC FOR Q407...
  • Page 41 25-BJG221-M1X CAP. ELEC 220 UF 160V +/-20% 1 PC C814 25-BJG221-M1X CAP. ELEC 220 UF 160V +/-20% 1 PC C806 26-ABC102-KBX CAP. CER 1000 PF 50V +/-10% B 1 PC C848 26-ABC104-ZFX CAP. CER 0.1 UF 50V +80-20% F 1 PC C837 26-ABC104-ZFX CAP.
  • Page 42 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC JP803 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC D824 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 PC J825 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 PC J824 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 PC J808 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 PC...
  • Page 43 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM 1 PC J918 41-WJ0115-B00 WIRE BARE JUMPER 11.5MM 1 PC J917 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 PC J919 47-RCA023-XX1G RCA JACK 3 PV YEL WHI RED/SW 1 PC P901 T8-29M60A-YUY ASS'Y - YUV PARTS 1 PC 10-79C5V6-DBX DIODE ZENER 5V6 1/2W 5%...
  • Page 44 19-BB0184-JTX SMD. RES 180K OHM 1/10W +/-5% 1 PC R235 19-BB0203-JTX SMD. RES 20K OHM 1/10W +/-5% 1 PC R201 19-BB0221-JTX SMD. RES 220 OHM 1/10W +/-5% 0805 1 PC R219 19-BB0224-JTX SMD. RES 220K OHM 1/10W +/-5% 1 PC R260 19-BB0390-JTX SMD.
  • Page 45 10-79C2V4-DBX DIODE ZENER 2V4 1/2W 5% 1 PC D004 10-79C33V-DBX DIODE ZENER 33V 1/2W 5% 1 PC D102 10-79C3V9-DBX DIODE ZENER 3V9 1/2W 5% 1 PC D003 10-79C5V1-DBX DIODE ZENER 5V1 1/2W 5% 1 PC D080 10-79C5V6-DBX DIODE ZENER 5V6 1/2W 5% 1 PC D204 10-79C5V6-DBX...
  • Page 46 19-BB0000-JTX SMD. RES 0 OHM 1/10W +/-5% 1 PC J230 19-BB0000-JTX SMD. RES 0 OHM 1/10W +/-5% 1 PC JP209 19-BB0000-JTX SMD. RES 0 OHM 1/10W +/-5% 1 PC J231 19-BB0000-JTX SMD. RES 0 OHM 1/10W +/-5% 1 PC J258 19-BB0000-JTX SMD.
  • Page 47 19-BB0332-JTX SMD. RES 3.3K OHM 1/10W +/-5% 1 PC R028 19-BB0332-JTX SMD. RES 3.3K OHM 1/10W +/-5% 1 PC R261 19-BB0332-JTX SMD. RES 3.3K OHM 1/10W +/-5% 1 PC R029 19-BB0332-JTX SMD. RES 3.3K OHM 1/10W +/-5% 1 PC R027 19-BB0333-JTX SMD.
  • Page 48 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% 1 PC C234 25-BFB229-M1X CAP. ELEC 2.2 UF 50V +/-20% 1 PC C203 25-BFB229-M1X CAP. ELEC 2.2 UF 50V +/-20% 1 PC C266 25-BFB229-M1X CAP. ELEC 2.2 UF 50V +/-20% 1 PC C265 25-BFB229-M1X CAP.
  • Page 49 28-BB0104-ZFX SMD CAP. 0.1 UF 50V +80/-20% 0805 1 PC C245 28-BB0104-ZFX SMD CAP. 0.1 UF 50V +80/-20% 0805 1 PC C242 28-BB0104-ZFX SMD CAP. 0.1 UF 50V +80/-20% 0805 1 PC C007 28-BB0104-ZFX SMD CAP. 0.1 UF 50V +80/-20% 0805 1 PC C258 28-BB0104-ZFX...
  • Page 50 34-A100K0-1IX COIL CHOKE 10 UH +/-10% 1 PC L101 34-A100K0-1IX COIL CHOKE 10 UH +/-10% 1 PC L200 34-A100K0-1IX COIL CHOKE 10 UH +/-10% 1 PC L003 34-A100K0-1IX COIL CHOKE 10 UH +/-10% 1 PC L206 34-A100K0-1IX COIL CHOKE 10 UH +/-10% 1 PC L204 34-A100K0-1IX...
  • Page 51 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC J083 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC J928 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC J921 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC J913 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC J220 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 PC...
  • Page 52 64-P30080-104G M/C SCREW P 3 X 8 1 PC MTG Q080 67-H10918-4M2 HEAT SINK 1 PC FOR Q080 19-BB0223-JTX SMD. RES 22K OHM 1/10W +/-5% 1 PC R046 18-CE0561-JNX RES. C.F. 560 OHM 1/2W +/-5% 1 PC R080A T8-D29M60-PSY ASS'Y - ENERGY SAVING BD AC110 1 PC 10-0001H8-FBX DIODE 1H8 (FAST RECOVERY)
  • Page 53 46-35184W-03XG PIN BASE *3 TJC1-3A 1 PC P860 63-W30100-AB4G S/T SCREW W 3 X 10 AB 4 PC MTG ENERGY SAVING T8-BE12AQ-SWY ASS'Y - POWER SWITCH BD 1 PC 40-29E11E-SWC1XG P.C.B SWITCH BD 1 PC 46-35184W-03XG PIN BASE *3 TJC1-3A 1 PC P801 FOR POWER CORD 46-28559W-02XG...
  • Page 54 63-W30140-HS4G S/T SCREW W 3 X 14 HS 4 PC MTG SPK 63-Z30100-AB4G S/T SCREW 3.0 X 10 2 PC MTG PWR SW. BD 63-Z60300-AB4G S/T SCREW HA 6X30 4 PC MTG CRT 67-X21679-0E0 SPRING CRT 6MMX50MMX0.6MM 2 PC 67-X34599-0E2 SPRING 1 PC T8-BE12AQ-FCYZ...

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