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TCL M28SPG8 Service Manual
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TCL M28SPG8 Service Manual

TCL M28SPG8 Service Manual

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Service Manual
1. Caution··························································································2
2. Product Specifications·····································································6
3. Alignment Procedure·······································································7
4. BLOCK Diagram············································································26
5. Schematic Diagram········································································27
6. PCB Layout···················································································28
7. Explode View·················································································30
8. BOM list························································································31
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.
TCL
Picture only for reference

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Summary of Contents for TCL M28SPG8

  • Page 1 Service Manual Picture only for reference 1. Caution··························································································2 2. Product Specifications·····································································6 3. Alignment Procedure·······································································7 4. BLOCK Diagram············································································26 5. Schematic Diagram········································································27 6. PCB Layout···················································································28 7. Explode View·················································································30 8. BOM list························································································31 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.
  • 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 OF ELECTRIC 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 Russia,Mid-East,North-Africa Malaysia,other asia area Brand TCL/RCA/OEM TCL/RCA/OEM TCL/RCA/OEM Basic Info. m28sp-g8 chassis m28sp-g2 TMPA8891 TMPA8873 TCL standardization cabinet Cabinet(matching) TCL standardization cabinet toshiba toshiba Solution Basic Info. 14'-21' Screen size inch 14'-21' Slim CRT F\R(shift to RC166 in 07H2) RC type...
  • Page 7 TTECorporation R&D Center (Shen’Zhen Lab) Flowchart chart of alignment procedure for M28 chassis: B+ adjustment Electrical RF AGC properties adjustment checking for chassis Sub-brightness White balance Aging Adjustment of Sub-color & Adjustment Adjustment screen voltage Sub-tint and focus adjustment Pincushion and Screen center Screen center QC checking...
  • Page 8 TTECorporation R&D Center (Shen’Zhen Lab) ) Adjustment of Sub-contrast, Sub-tint and Sub-color for NSTC and PAL signal. <Press KEY 4 in D-Mode> 1. connect the probe of Oscilloscope to the conjunction between R201 and P201 (B-out). 2. Apply the Grey-scale/Color-bar (NTSC signal) to the AV input, in STANDARD status. 3.
  • Page 9 TTECorporation R&D Center (Shen’Zhen Lab) 4. Repeat step 2&3 until you can get the correct reading for both black and white sides. 5. DVD White Balance fine adjustment Item: UBK, VBK. (11500 K) (Press key 0 in D-Mode) 6. Setting in Original EEPROM, Warm: x=291, y=300(8500 K); Adjustment Item: WRCUT, WGCUT, WBCUT, WGDRV, WBDRV.
  • Page 10 TTECorporation R&D Center (Shen’Zhen Lab) FLG1, bit 2 sets at 1, logo works; FLG1, bit 1 sets at 0, TCL logo works; sets at 1, Customer logo /OEM logo works; 2. Customer LOGO setting MODE 2(Press key SCAN in D-Mode), bit 4 sets at 1, NOTEBOOK works;...
  • Page 11 TTECorporation R&D Center (Shen’Zhen Lab) After enter D-mode you can adjust the setting according to the following procedure NOTE the items with are adjustable, other items are not ,pls do not adjust them. GROUP1 KEY 0 Default 14N23 R CUT OFF G CUT OFF B CUT OFF G DRIVE...
  • Page 12 TTECorporation R&D Center (Shen’Zhen Lab) GROUP 4 KEY 4 Default 14N23 21E/N23/26 BRIGHT CENTER 0x38 0x38 0x38 BRTC COLOR CENTER NTSC 0x3A 0x3A 0x37 COLC COLOR CENTER SECAM 0x50 0x50 0x3A COLS COLOR CENTER PAL(shift data from COLC) 0xFD 0xFD 0xFD COLP SCNT...
  • Page 13 TTECorporation R&D Center (Shen’Zhen Lab) FLG1 0 0: 6 key 1: 7 key 1 OEM LOGO 0:Use TCL LOGO 1:Use OEM LOGO 2 LOGO 0:disable 1:enable 3 TINT por PIF SELECT 00:38MHz 01:38.9MHz 10:45.75MHz 11:Don’t Use 6 Secam 0:disable 1:enable...
  • Page 14 TTECorporation R&D Center (Shen’Zhen Lab) MODE1 0x57 0 BG system enable 1 I system enable 2 DK system enable 3 M system enable 4 VIDEO2 enable 5 video3 enable 6 YUV enable 7 Thailand Dual language 0:Disable 1:Enable MUTT standby -->wake time 0x00 STAT contrast up timer after standby off...
  • Page 15 TTECorporation R&D Center (Shen’Zhen Lab) GROUP 11 KEY CALENDAR CLTB TV mode & SOUND SYS = BG CLTD TV mode & SOUND SYS != M,BG 0x05 CLTM TV mode & SOUND SYS = M CLVO VIDEO CLVD YUV MODE CLTB CLTD CLTM CLVO CLVD bit setting KILLER OFF...
  • Page 16 TTECorporation R&D Center (Shen’Zhen Lab) GROUP 14 NOTE-BOOK OSD Horizontal Position(volume bar, Picture bar, OSD1 Half blue panel OSD) OSDF1 OSD PLL DATA(volume bar, Picture bar, Half blue panel OSD) OSD Horizontal Position except OSD1 items OSD2 OSDF2 OSD PLL DATA except OSDF1 items HAFC 0 when nois.2 = 1 ;...
  • Page 17 TTECorporation R&D Center (Shen’Zhen Lab) Group KEY SCAN Items Description Default Don’t use 0: Off H SBLK 1: On, 92%(FBP BLK off, then internal BLK 00: Internal BPF mode 01: Not Use FM BPF 10: Not Use 11: External BPF mode VCD1 0x41 00: 2.10 Vp-p...
  • Page 18 TTECorporation R&D Center (Shen’Zhen Lab) Group KEY SCAN 21E/N23/26 Items Description Default 00: SHARP 01: TCL/PHILIPS 0 - 1 Tuner Select 10: ALPS 11: SHARP Power on mode for factory 1 Always power on aging 0 Depend default 1 Zoom key enable...
  • Page 19 TTECorporation R&D Center (Shen’Zhen Lab) Group KEY SCAN Items Description Default 00: H-Lock Sync Detection Setting for Blue 0 - 1 01: Don’t use Black off 02: V-Lock bit 5 4 3 2 SYBBF 0x20 Select the input IF signal level of 1 0 0 0: -8dB weak signal 2 - 5 sync lock detection when Blue...
  • Page 20 TTECorporation R&D Center (Shen’Zhen Lab) 0: Sound Trap Off 1: f0 tuning min 0 – 3 S-Trap f0 for I 0x08 F: f0 tuning max Don’t use 00: Off 01: 60nS Sound Trap GD for BG 10: 90nS 11: 120nS 00: Q = 3 01: Q = 5 Sound Trap Q for BG...
  • Page 21 TTECorporation R&D Center (Shen’Zhen Lab) 11: Q = 9 00: Off 01: 1 dB HPF Sound Trap HP/LP for DK 10: -3 dB LPF 11: -2 dB LPF Don’t use 00: Off 01: 60nS Sound Trap GD for M 10: 90nS 11: 120nS 00: Q = 3 01: Q = 5...
  • Page 22 TTECorporation R&D Center (Shen’Zhen Lab) OEM logo V – offset value for OEM logo in OEMV 0 - 7 0 - FF 0x17 50Hz system V – offset value for OEM logo in OEMVS 0 - 7 0 -FF 0x08 60Hz system 0: -1uS 0 - 3...
  • Page 23 TTECorporation R&D Center (Shen’Zhen Lab) Available offset value for GCUT of 0 -6 Cool 0x05 CGCUT 1: “-“subtract operation Sign bit 0: “+” add operation Available offset value for BCUT of 0 - 6 Cool 0x85 CBCUT 1: “-“subtract operation Sign bit 0: “+”...
  • Page 24 TTECorporation R&D Center (Shen’Zhen Lab) 0: “+”addition Select SECAM Gate pulse phase 00: Auto, normal 0 - 1 S - GP 01: +200ns (delay) 10: Center 11: -200ns (forward) 0: Detecting S - Inhibit 1: SECAM inhibit Select SECAM ident sensitivity S - ID 0: Normal...
  • Page 25 TTECorporation R&D Center (Shen’Zhen Lab) Based on Socket order M28SP(G8) Chassis Name Serial No. 2006-06-02 Issued on 2007-3-21 Updated on Version...
  • Page 31 8. BOM List PART NO. SEPC QTY UNIT LOCATION 44-21RFLN-IR5A 21"CRT A51CPAA00X04E 1 PC 36-DEG210-BX3 DEGAUSSING COIL 2500MM 1 PC 41-GND021-LX0 ASS'Y-GND BRAID 21“CRT 1 PC FOR CRT GROUNDING 58-CA61SI-2UI9D TV DEC OVERLAY SIDE AV 1 PC 58-431980-1UI9A INLAY 1 PC 58-DA41RI-EUI9A TV DEC OVERLAY REAR AV 1 PC...
  • Page 32 18-CB0182-JNX RES. C.F. 1.8K OHM 1/6W +/-5% 1 PC R524 18-CB0681-JNX RES. C.F. 680 OHM 1/6W +/-5% 1 PC R509 18-CB0681-JNX RES. C.F. 680 OHM 1/6W +/-5% 1 PC R525 18-CB0681-JNX RES. C.F. 680 OHM 1/6W +/-5% 1 PC R527 18-CB0681-JNX RES.
  • Page 33 11-SA1015-YBX TRANSISTOR ST2SA1015Y (PNP) 1 PC Q005 11-SA1015-YBX TRANSISTOR ST2SA1015Y (PNP) 1 PC Q602 11-SA1015-YBX TRANSISTOR ST2SA1015Y (PNP) 1 PC Q910 11-SA1015-YBX TRANSISTOR ST2SA1015Y (PNP) 1 PC Q001 11-SC1815-YBX TRANSISTOR 2SC1815-Y (NPN) 1 PC Q002 11-SC1815-YBX TRANSISTOR 2SC1815-Y (NPN) 1 PC Q004 11-SC1815-YBX TRANSISTOR 2SC1815-Y (NPN)
  • Page 34 18-CB0151-JNX RES. C.F. 150 OHM 1/6W +/-5% 1 PC R109 18-CB0151-JNX RES. C.F. 150 OHM 1/6W +/-5% 1 PC R108 18-CB0151-JNX RES. C.F. 150 OHM 1/6W +/-5% 1 PC R401 18-CB0151-JNX RES. C.F. 150 OHM 1/6W +/-5% 1 PC R238 18-CB0153-JNX RES.
  • Page 35 18-DB0473-FNX RES. M.F. 47K OHM 1/6W +/-1% 1 PC R244 18-DB0562-FNX RES. M.F. 5.6K OHM 1/6W +/-1% 1 PC R308 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% 1 PC C023 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% 1 PC C903B 25-BCB100-M1X CAP.
  • Page 36 25-GDB101-M1X CAP. ELEC 100 UF 25V +/-20% 1 PC C229 25-GFB229-M1X CAP ELEC 2.2UF 50V +/-20% 105 1 PC C244 25-MFB228-K1X CAP.ELEC 0.22UF 50V +/-10% 1 PC C205 25-MFB478-K1X CAP.ELEC 50V 0.47UF +/-10% 1 PC C236 26-ABC222-KBX CAP. CER 2200 PF 50V +/-10% B 1 PC C204 26-ABC470-JZX...
  • Page 37 27-PBC822-J0X CAP. P.E 0.0082UF 63V +/-5% 1 PC C607B 27-PBC822-J0X CAP. P.E 0.0082UF 63V +/-5% 1 PC C607 27-PBC822-J0X CAP. P.E 0.0082UF 63V +/-5% 1 PC C235 34-A100K0-1IX COIL CHOKE 10 UH +/-10% 1 PC L002 34-A109K0-1IX COIL CHOKE 1 UH +/-10% 1 PC L103 34-A470K0-1IX...
  • Page 38 41-WJ0080-B00 WIREBAREJUMPER8MM 1 PC J207 41-WJ0080-B00 WIREBAREJUMPER8MM 1 PC J208 41-WJ0080-B00 WIREBAREJUMPER8MM 1 PC J012 41-WJ0080-B00 WIREBAREJUMPER8MM 1 PC J301 41-WJ0080-B00 WIREBAREJUMPER8MM 1 PC J011 41-WJ0080-B00 WIREBAREJUMPER8MM 1 PC J008 41-WJ0080-B00 WIREBAREJUMPER8MM 1 PC J218 41-WJ0080-B00 WIREBAREJUMPER8MM 1 PC J901 41-WJ0080-B00 WIREBAREJUMPER8MM 1 PC...
  • Page 39 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 PC D837 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 PC D813 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 PC D812 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 PC D811 10-79C7V5-DBX DIODE ZENER 7V5 1/2W 5 1 PC D836 10-79C9V1-DBX DIODE ZENER 9V1 1/2W 5% 1 PC D809 10-HS3V9A-DBX...
  • Page 40 J805 41-WJ0190-B00 WIREBAREJUMPER19MM 1 PC J806 V8-T18M28-01E01 SOFTWARE CODE 1 PC FOR IC001 51-DC0180-0CN04G POWER CORD TCL-CB-192-A00 1 PC 18-EG0109-JHX RES. FUS. 1 OHM 2W +/-5% 1 PC R407 18-FF0181-JGX RES. M.O. 180 OHM 1W + 1 PC R318 18-FF0222-JGX RES.
  • Page 41 18-EF0109-JGX RES. FUS. 1 OHM 1W +/-5% (LS) 1 PC R405 18-EF0109-JGX RES. FUS. 1 OHM 1W +/-5% (LS) 1 PC R403 18-EF0109-JGX RES. FUS. 1 OHM 1W +/-5% (LS) 1 PC R601 18-EF0109-JGX RES. FUS. 1 OHM 1W +/-5% (LS) 1 PC R405B 18-EF0109-JGX...
  • Page 42 25-BJG221-M1X CAP. ELEC 220 UF 160V +/-20% 1 PC C836 25-BNJ151-M1X CAP. ELEC 150 UF 450V +/-20% 1 PC C806 26-AIL103-MEX CAP.CER 10NF 500V +/-20% 1 PC C814 26-AIL103-MEX CAP.CER 10NF 500V +/-20% 1 PC C813 26-APK101-KBX CAP. CER 100 PF 400VAC +/-10% 1 PC C815 26-APK222-MEX...