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Sampo 21000000000 Service Manual

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SERVICE MANUAL

1、 Caution.................................................................................2
2、 Specification...........................................................................6
3、 BOM list ..............................................................................9
4、 Alignment Procedure..................... ... ................................. ...24
5、 Block Diagram....................................... ..............................33
6、 Schematic Diagram........................... ......... ...........................34
7、 PCB Layout.................................... .......................................35
8、 Explode View Diagram..................... .......................................36
9、Troubleshooting........................... ......... .............................. 37
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
21E09

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Summary of Contents for Sampo 21000000000

  • Page 1: Service Manual

    SAMPO SERVICE MANUAL 21E09 1、 Caution………………………………………………………………………2 2、 Specification…………………………………………………………………6 3、 BOM list ……………………………………………………………………9 4、 Alignment Procedure………………… … …………………………… …24 5、 Block Diagram………………………………… …………………………33 6、 Schematic Diagram……………………… ……… ………………………34 7、 PCB Layout……………………………… …………………………………35 8、 Explode View Diagram………………… …………………………………36 9、Troubleshooting……………………… ……… ………………………… 37...
  • Page 2 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 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 PFS2 FORMAT-1 Report ProductView..: Report by....: Product: Specs / Products MasterData Customer Id JET LTDA(CHILE) Version Status Locked 12NC HYUNDAI Brand Reception +Tuning - presets/channels 181, Full-Cable +Tuning - technology +Tuning - Indication Full-Cable Freq +Freq Bands +Channels 45.75M +IF Freq NTSC-M, PAL MN +TV Systems Off Air/Cable +Add Systems Ext In...
  • Page 7 ProductView..: Report by....: Product: Specs / Products +Clock/Timer Functions sleep timer +Local Controls Front Channel +/-, Volume+/-, Mains(Tact Switch), Menu, TV/AV +Local Controls Top +Indicators - screen +Indicators - front +Numb of Loc Cont (incl Mains) +Number of Ind. (incl Mains) +Local Controls (Old) Remote Control +Remote Control - scope...
  • Page 8 ProductView..: Report by....: Product: Specs / Products +Power in Standby for +Power in "OFF" for Weight (P)TV (incl. Packaging) Weight (P)TV (excl. Package) Weight AVUnit excl Packaging +INDICATION on BACKCOVER +Channel Final Equipment +Packaging - methods +Documents and manuals +Languages DFU +Cables Supplied +Antenna Supplied +Stand Supplied...
  • Page 9 Item Description Qty. Location T8-DE09AG-MA1SM ASS'Y - CHASSIS BD`TW' T8-0D276G-CRY ASS'Y - CRT BD 10-1N4148-ABX DIODE 1N4148 (SWITCHING) D502 10-1N4148-ABX DIODE 1N4148 (SWITCHING) D501 11-SA1015-YBX TRANSISTOR ST2SA1015Y (PNP) Q510 11-SC2482-0BX TRANSISTOR 2SC2482 Q501 11-SC2482-0BX TRANSISTOR 2SC2482 Q502 11-SC2482-0BX TRANSISTOR 2SC2482 Q503 18-CB0101-JNX RES.
  • Page 10 40-21189H-SIB1XG P.C.B. SIDE BD 46-35038H-05XG HS 5P24 380 TJC3-5Y/SCN-5Y P904A R - V FOR M.BD P904 47-RCA139-XX0G JACK RCA RCA317 FOR P1101/P1102/P1103 T8-21E09G-KEY ASS'Y - KEY BD 18-CB0152-JNX RES. C.F. 1.5K OHM 1/6W +/-5% R026 18-CB0182-JNX RES. C.F. 1.8K OHM 1/6W +/-5% R025A 18-CB0272-JNX RES.
  • Page 11 10-0FR104-FBX DIODE FR104 (FAST RECTIFIER) D404 10-1N4001-EBX DIODE 1N4001 (RECTIFIER) D301 10-1N4002-EBX DIODE 1N4002 (RECTIFIER) D405 10-1N4148-ABX DIODE 1N4148 (SWITCHING) D005 10-1N4148-ABX DIODE 1N4148 (SWITCHING) D006 10-1N4148-ABX DIODE 1N4148 (SWITCHING) D007 10-1N4148-ABX DIODE 1N4148 (SWITCHING) D008 10-1N4148-ABX DIODE 1N4148 (SWITCHING) D009 10-1N4148-ABX DIODE 1N4148 (SWITCHING)
  • Page 12 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% R922 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% R924 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% J305 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% R006 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% R011 18-CB0103-JNX RES.
  • Page 13 18-CB0681-JNX RES. C.F. 680 OHM 1/6W +/-5% R028 18-CB0683-JNX RES. C.F. 68K OHM 1/6W +/-5% R211 18-CB0751-JNX RES. C.F. 750 OHM 1/6W +/-5% R008 18-CB0820-JNX RES. C.F. 82 OHM 1/6W +/-5% R903 18-CB0820-JNX RES. C.F. 82 OHM 1/6W +/-5% R923 18-CB0821-JNX RES.
  • Page 14 25-BEA102-M1X CAP. ELEC 1000 UF 35V +/-20% C413 25-BEB101-M1X CAP. ELEC 100 UF 35V +/-20% C302 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% C008A 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% C203 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% C208 25-BFB109-M1X CAP.
  • Page 15 26-EBP391-JCS CAP. CER 390PF 50V +/-5% C403 26-EBP391-JCS CAP. CER 390PF 50V +/-5% C412 26-EBP470-JZX CAP. CER 47PF 50V +/-5% SL C424 27-AGQ563-J0X CAP. M.PP 0.056 UF 250V +/-5% C410 27-MBC103-J0X CAP. M.P.E 0.01UF 63V+/-5% C215 27-MBC104-J0X CAP. M.P.E 0.1 UF 63V +/-5% C242 27-MBC104-J0X CAP.
  • Page 16 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM J303 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM J602 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM J901 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM J913 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM J914 41-WJ0080-B00 WIRE BARE JUMPER 8 MM J108 41-WJ0080-B00 WIRE BARE JUMPER 8 MM J903 41-WJ0080-B00 WIRE BARE JUMPER 8 MM...
  • Page 17 45-TRA4M5-0Y0 CER TRAP TPS 4.5MHZ X201 46-12866W-02XG PIN BASE *2 S11-02Y P601 FOR FRONT CAB.(SPK) 46-20598W-04XG PIN BASE *4 TJC1-4A P401 FOR DY CONNECTER 46-33079W-02XG PIN BASE *2 TJC3-2A P602 FOR FRONT CAB.(SPK) 46-33079W-03XG PIN BASE *3 TJC3-3A P001 46-33079W-05XG PIN BASE *5 TJC3-5A P201 FOR CRT BD 46-35179W-04XG...
  • Page 18 18-CB0392-JNX RES. C.F. 3.9K OHM 1/6W +/-5% R807 18-CB0472-JNX CARBON RES. C.F. 4.7K OHM 1/6W +/-5% R806 18-CB0682-JNX RES. C.F. 6.8K OHM 1/6W +/-5% R850 18-CD0220-JNX RES. C.F. 22 OHM 1/4W +/-5% R811A 18-CD0221-JNX RES. C.F. 220 OHM 1/4W +/-5% R833 18-CD0392-JNX RES.
  • Page 19 35-139730-00X FERR. BEAD BF60 FOR D806 36-LIF005-AX0 LINE FILTER T801 36-TRF110-XX0 TRANSFORMER T803 41-WJ0050-B00 WIRE BARE JUMPER 5MM R820 41-WJ0050-B00 WIRE BARE JUMPER 5MM R821 41-WJ0050-B00 WIRE BARE JUMPER 5MM R822 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM J809 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM D838A 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM...
  • Page 20 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% R911 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% R925 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% R927 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% R928 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% R930 18-CB0102-JNX RES.
  • Page 21 46-28559W-02XG PIN BASE *2 TJC1-2A P802 51-DC0243-0DN08G POWER CORD CEE 41-WJ0060-B00 WIRE BARE JUMPER 6MM R025 41-WJ0060-B00 WIRE BARE JUMPER 6MM R024 41-WJ0060-B00 WIRE BARE JUMPER 6MM R023 41-WJ0060-B00 WIRE BARE JUMPER 6MM R022 41-WJ0060-B00 WIRE BARE JUMPER 6MM R021 41-WJ0060-B00 WIRE BARE JUMPER 6MM R020...
  • Page 22 62-406120-0UN TRACK 63-B40150-AB4G S/T SCREW B 4 X 15 AB MTG CRT BKT & F. CAB. 63-W30080-AB4G S/T SCREW W 3 X 8 AB MTG LENS & F. CAB. 63-W30100-AB4G S/T SCREW W 3 X 10 AB MTG KEY BD & F. CAB. 63-W30100-AB4G S/T SCREW W 3 X 10 AB MTG 62-395050-0UN...
  • Page 23 67-X38065-0E2 BATTERY SPRING (+) 67-X38066-0E2 BATTERY SPRING (-) 74-007026-60C POLYBAG (70MMX260MMX0.06MM) 49-HS36R1-00X RUBBER PAD KEYS 55-HS36RB-1HA RREMOTEHANDSET-BOTTOMCABINET 55-HS36RD-0HA RBATT.DOOR 55-HS36RT-1HA RREMOTEHANDSET-FRONTCABINET 58-HS36R2-6UI INLAY REMOTE HANDSET T8-HS36R0-PAY ASS'Y - PACKING 76-002091-0AT CARTON BOX LWH 624X384X556MM 0.006 76-326350-01A CARTON SHEET 61X37X0.3CM 0.062 V8-T7M123-03E02 SOFTWARE CODE FOR IC001...

  • Page 24: Alignment Procedure

    Alignment Procedure 1. FLOWCHART OF ALIGNMENT PROCEDURE Screen & Focus White balance adjustment adjustment adjustment Pincushion correction & Center & Amplitude and Sub-brightness Horizontal Amplitude OSD adjustment adjustment adjustment 2 Adjustment of B+ voltage 1) Apply 120VAC(±5V) to mains power input, and Philips standard testing pattern to RF input.
  • Page 25 Use a color analyzer to measure the white side of the screen. By changing the value of GD, BD, set the reading of the color analyzer to X=285, Y=295. ¢ Ü Separately set the brightness and contrast from min. to max., repeat the step 2 and 3 until the reading of the color analyzer is correct.

  • Page 26: Factory Settings

    Factory settings D-mode: Enter D-Mode by pressing D-Mode ON/OFF key, and then you can enter the D-mode. S-mode: Enter S-Mode by pressing VOLUME DOWN key on the unit until the volume decrease to minimum level, then press the DISPLAY key on the remote handset (don’t release the volume key) and you can enter S- mode.
  • Page 27 Menu 4 (Remote key: “4”) Item Remark CNTX Maximum contrast CNTN Minimum contrast BRTX Maximum brightness BRTN Minimum brightness COLX Maximum color COLN Minimum color TNTX Maximum tint level TNTN Minimum tint level Menu 5(Remote key: “5”) Item Remark BRTC 50% brightness COLC 50% color...
  • Page 28 Bit 3 Bit 4 Bit 5 TV£ ¬ MSP AVL: 1: yes Bit 6 AV£ ¬ MSP AVL£ º 1:yes Bit 7 MONO+SAP£ º 1£ º yes 0£ º no Bit 0 When blue background off (mute pin of CPU): 0: audio mute on 1: audio mute off Bit 1...
  • Page 29 Menu 9(Remote key: “9”) Item Remark Volume 1 Volume 25 Volume 50 V100 Volume 100 VOLMAX Max volume under hotel mode CURTCEN Center of the curtain VOLX Output gain of PIN28 of TMPA8823 or MSP34x5 PWTM When use PWM to mute and no sound when changing channel, this item should be minimum as posible Menu 10(Remote key: “0”) Item...
  • Page 30 Bit 7 Bit 0 America V-CHIP standard 1£ º yes 0£ º no Bit 1 Canadian V-CHIP 1£ º yes 0£ º no Bit 2 UNRATED£ ¬ 1£ º yes 0£ º no MDOE8 Bit 3 NO RATING£ ¬ 1£ º yes 0£ º no Time setting for curtain when turn on the set ~Bit 7 ~Bit 2...
  • Page 31 Bit 4 Bit 5 Bit 6 Bit 7 SLO f0 shift(test only) Menu 14(Remote key: “sleep) Item Remark HAFC Bit 1 ~ 0 AFC gain (TV mode) [1CH, bit 5 ~ 4] Bit 3 ~ 2 AFC gain (AV mode) [1CH, bit 5 ~ 4] AGCC NOIS ONTM...
  • Page 32 Item Remark M-COL Mild color M-BRI Mild brightess M-CON Mild contrast M-SHP Mild sharpness Menu 20: no shortcut key Item Remark SEG_POINT1 Highest frequency of VHFL SEG_POINT2 Highest frequency of VHFH DATA_VL VHFL bandswitch£ ¨ BB£ © DATA_VH VHFH bandswitch£ ¨ BB£ © DATA_UF UHF bandswitch£...
  • Page 33 +112V PROM 24C08 TUNER MCU+VCD Video SAWF TMPA8823 amplifie CVBS/Y Horizontal output 4052 (VIDEO) Vertical output (VIDEO) STV9302 MSP3425 TDA7057AQ (L,R) (L,R)

  • Page 37: Fault Finding

    Colour Television Chassis: M123A 5. Faultfinding and Test Point with Waveform Diagram 5.1 Faultfinding Fuse Blown Figure 1 Fuse Blown Is the drain of D815~D818 Replace Q801 shorted D815~D818 to earth? Check IC801 and Cheek peripheral Replace components. Q801 Figure2 No Raster Abnormal +B raster abnormal + B...
  • Page 38 Colour Television Chassis: M123A 5. Faultfinding and Test Point with Waveform Diagram 5.1 Faultfinding No raster Replace IC201 Replace Q401 B Voltage OK Yes Check the waveform H-out Is the voltage Check Q402 waveform at PIN static working of in 25 of and LOT 13 of IC201 OK? point of Q401.
  • Page 39 Colour Television Chassis: M123A 5. Faultfinding and Test Point with Waveform Diagram Symptom: raster ok, no picture, no sound, sparse 5.1 Faultfinding noise dots Figure 5 Sparse noise dots Apply the pointer of multimeter at R X 1 K¦ ¸ , connect one probe to GND, use another to touch P42 of Is the voltage at...
  • Page 40 Colour Television Chassis: M123A 5. Faultfinding and Test Point with Waveform Diagram No sound 5.1 Faultfinding Is the speaker Replace the speaker Figure 6 No Sound Replac e IC601 Apply the pointer of multimeter at RX1K ¦ ¸ connect one probe to Is it mute at Check power...
  • Page 41 Colour Television Chassis: M123A 5. Faultfinding and Test Point with Waveform Diagram 5.1 Faultfinding Figure 8 No Picture Check Check R516 ~ Check +9V, TV&AV Q501~Q503 R521 etc. +200V haven’t Picture Check P25, P49 of IC201 Replace IC201 Check RGB signal and the relative circuit TV has Picture.
  • Page 42 Colour Television Chassis: M123A 5. Faultfinding and Test Point with Waveform Diagram 5.1 Faultfinding Figure 9 Tuning Control doesn’t work Check the power Symptom: supply of IC201. Check Tuning Control Are there H & V R408,R406,D404,C422 doesn’t work flyback pulses at P12 of IC201 Press STANBY key...
  • Page 43 Colour Television Chassis: M123A Is there any change on Check the remote control ¢ Ù the voltage level at receiver and transmitter. P64 of IC201? Is the VDD(+5V) at Check Q002 and P9 and P55 of IC201 peripheral circuit Is there the 8MHz/5Vp-p Are C021, C022 and X001 ok? sine wave oscillations at P6...

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21e09