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GOLD VISION
SERVICE MANUAL
1. Caution.....................................................................2
2. Specification...............................................................6
3. BOM List ..................................................................13
4. Alignment Procedure....................................................38
5. Block Diagram............................................................45
6. Schematic Diagram......................................................46
7. PCB Layout................................................................47
8. Exploded View Diagram ................................................48
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.
GV-2188F
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Summary of Contents for Gold Vision GV-2188F
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Page 1: Service Manual
GOLD VISION SERVICE MANUAL GV-2188F 1. Caution……………………………………………………………2 2. Specification………………………………………………………6 3. BOM List …………………………………………………………13 4. Alignment Procedure………………………………………….…38 5. Block Diagram……………………………………………………45 6. Schematic Diagram………………………………………………46 7. PCB Layout………….……………………………………………47 8. Exploded View Diagram …………………………………………48 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 RISK OF OF ELECTRI ELECTRIC C PARTS INSIDE.
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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.
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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: Product Specification
PRODUCT SPECIFICATION MODEL： ： ： ： GV-2188F AMBIENT CONDITIONS： ： ： ： AMBIENT TEMPERATURE： ： ： ： OPERATING： ： ： ： -10° ° ° ° C ~ +40° ° ° ° C STORAGE： ： ： ： -15° ° ° ° C ~ +45° ° ° ° C HUMIDITY OPERATING：＜... - Page 7 A: GENERAL SPECIFICATION: 1: CRT 37cm(14”) 51cm (20”) 54cm(21”) 64cm (25”) 74cm (29”) 84cm (34”) OTHER 2: CHASSIS: DIGITAL NICAM STEREO ANALOG SURROUND SOUND TELETEXT GERMAN STEREO S.VHS OTHER 3: CPU: TSB M5C01 TSB M5C03 TSB M5ENG TSB M6/M6A TSB M7/M7A TSB M8A TSB M8B TSB CTS-654A...
- Page 8 CH21--CH69（CABLE BAND） CH14--CH83（USA BAND） CHR1--CHR12（OIRT） CH1--CH12/CH13-CH57（CHINA BAND） OTHER CATV 470MHz 6： SCANNING LINES AND FREQUENCIES 625 LINES 15.625kHz 50Hz 525 LINES 15.75kHz 60Hz 525/625 LINES 15.625kHz /15.75kHz 50/60Hz 7： COLOUR SUB-CARRIER 4.433MHz 3.579MHz 3.58MHz 8： INTERMEDIATE FREQUENCIES PICTURE 39.5MHz SOUND 6.0MHz PICTURE 38.9MHz SOUND5.5MHz PICTURE 38.0MHz...
- Page 9 13”& 14”---1W 20”& 21”---2W 20”& 21”---2W + 2W (R + L) 25”---4W + 4W (R + L) 29”---6W + 6W (R + L) 34”---8W + 8W(R + L) OTHER 21”-- >=4W+4W 12： AERIAL INPUT IMPEDANCE 75 Ω UNBALANCED DIN JACK ANT.INPUT75 75Ω...
- Page 10 PLL FREQUENCY SYNTHESIZER (F.S.) 2： PRESETTABLE PROGRAM 50 PROGRAMS 99 PROGRAMS 100 PROGRAMS 181 PROGRAMS OTHER 3： TUNING FOR VHF AND UHF BANDS AUTO SEARCH MANUAL TUNING FINE TUNING 4： PICTURE AND SOUND ADJUSTMENT BRIGHT，CONTRAST，COLOUR AND VOLUME CONTROL TINT CONTROL(NTSC) TREBLE，BASS，BALANCE CONTROL SHARPNESS CONTROL OTHER...
- Page 11 P/N OF REMOTE CONTROL INLAY : 58-HS46F0-1UI 10： REMOTE EFFECTIVE DISTANCE 8 m C： CONSTRUCTION OF FRONT PANEL MAIN POWER SWITCH FUNCTION SELECT REMOTE SENSOR MENU SELECT SYSTEM FUNCTION S.VHS INPUT MICROPHONE INPUT TV/AV SELECT STANDBY INDICATOR PROGRAM VOLUME UP/DOMN BAND SELECT RCA SOCKET (SIDE) EARPHONE INPUT...
- Page 12 SCART SOCKET(AV) SCART SOCKET (FULL) SPECIFICATION SCART VIDEO INPUT 75Ω 0.5V 0.5V AUDIO INPUT 10kΩ (R+L) VIDEO OUTPUT 75Ω 0.5V 0.5V AUDIO OUTPUT 1kΩ (R+L) 0.7V RGB INTPUT 75Ω AUDIO LINE OUTPUT 1kΩ F： OTHERS INFORMATION 1.FLYBACK： 37-BSC250-2110X 2.TUNER： 07-380VI5-NX4 3.SAW FILTER：...
- Page 13 Parent Item No. Item NO. Description Quantity Req. Designator Remarks 03-2188MU-MR34 08-02111U-SEY ASS'Y - SECAM BD 08-02111U-SEY 13-TA1275-AZ0 IC TA1275AZ (SECAM) 1 IC701 08-02111U-SEY 18-CB0203-JNX RES. C.F. 20K OHM 1/6W +/-5% 1 R708 08-02111U-SEY 18-CB0331-JNX RES. C.F. 330 OHM 1/6W +/-5% 1 R701 08-02111U-SEY 18-CB0332-JNX...
- Page 14 08-02111U-TXY 18-CB0392-JNX RES. C.F. 3.9K OHM 1/6W +/-5% 1 RT05 08-02111U-TXY 18-CB0472-JNX RES. C.F. 4.7K OHM 1/6W +/-5% 1 RT01 08-02111U-TXY 18-CB0472-JNX RES. C.F. 4.7K OHM 1/6W +/-5% 1 RT02 08-02111U-TXY 18-CB0472-JNX RES. C.F. 4.7K OHM 1/6W +/-5% 1 RT03 08-02111U-TXY 18-CB0473-JNX RES.
- Page 15 08-02188U-CRY 18-CB0272-JNX RES. C.F. 2.7K OHM 1/6W +/-5% 1 R514 08-02188U-CRY 18-CB0561-JNX RES. C.F. 560 OHM 1/6W +/-5% 1 R501 08-02188U-CRY 18-CB0561-JNX RES. C.F. 560 OHM 1/6W +/-5% 1 R505 08-02188U-CRY 18-CB0561-JNX RES. C.F. 560 OHM 1/6W +/-5% 1 R510 08-02188U-CRY 18-CB0561-JNX RES.
- Page 16 08-02188U-DPY 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 D1006 08-02188U-DPY 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 D1001 08-02188U-DPY 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 D1002 08-02188U-DPY 10-1N4148-ABX DIODE 1N4148 (SWITCHING) 1 D1003 08-02188U-DPY 10-79C12V-DBX DIODE ZENER 12V 1/2W 5% 1 D1005 08-02188U-DPY 10-79C8V2-DBX DIODE ZENER 8V2 1/2W 5% 1 D1004 08-02188U-DPY 11-SA1015-YBX...
- Page 17 08-02188U-DPY 27-MBC104-J0X CAP. M.P.E 0.1 UF 63V +/-5% 1 C1005 08-02188U-DPY 27-MBC104-J0X CAP. M.P.E 0.1 UF 63V +/-5% 1 C1013 08-02188U-DPY 40-2180MU-DPB P.C.B. DPC BD 08-02188U-DPY 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 J1001 08-02188U-DPY 46-29605H-06X HS 6P24 140 F/W TJC3/SCN-6Y 1 P1001 FOR M.BD S1001 08-02188U-DPY...
- Page 18 08-2188MU-MA4 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q603 08-2188MU-MA4 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q605 08-2188MU-MA4 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q901 08-2188MU-MA4 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q902 08-2188MU-MA4 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q903 08-2188MU-MA4 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q905 08-2188MU-MA4 11-SC1815-YBX TRANSISTOR 2SC1815Y 1 Q208 08-2188MU-MA4 11-SC1815-YBX...
- Page 19 08-2188MU-MA4 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R052 08-2188MU-MA4 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R019 08-2188MU-MA4 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R020 08-2188MU-MA4 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% 1 R043 08-2188MU-MA4 18-CB0103-JNX RES.
- Page 20 08-2188MU-MA4 18-CB0223-JNX RES. C.F. 22K OHM 1/6W +/-5% 1 R014A 08-2188MU-MA4 18-CB0224-JNX RES. C.F. 220K OHM 1/6W +/-5% 1 R232 08-2188MU-MA4 18-CB0243-JNX RES. C.F. 24K OHM 1/6W +/-5% 1 R306 08-2188MU-MA4 18-CB0271-JNX RES. C.F. 270 OHM 1/6W +/-5% 1 R273 08-2188MU-MA4 18-CB0271-JNX RES.
- Page 21 08-2188MU-MA4 18-CB0472-JNX RES. C.F. 4.7K OHM 1/6W +/-5% 1 R623 08-2188MU-MA4 18-CB0472-JNX RES. C.F. 4.7K OHM 1/6W +/-5% 1 R007 08-2188MU-MA4 18-CB0472-JNX RES. C.F. 4.7K OHM 1/6W +/-5% 1 R029 08-2188MU-MA4 18-CB0472-JNX RES. C.F. 4.7K OHM 1/6W +/-5% 1 R030 08-2188MU-MA4 18-CB0472-JNX RES.
- Page 22 08-2188MU-MA4 26-AIC332-KBX CAP. CER 3300 PF 500V +/-10% B 1 C403 08-2188MU-MA4 26-AIC391-KBX CAP. CER 390 PF 500V +/-10% B 1 C407 08-2188MU-MA4 26-AIC391-KBX CAP. CER 390 PF 500V +/-10% B 1 C412 08-2188MU-MA4 26-AIC391-KBX CAP. CER 390 PF 500V +/-10% B 1 C414 08-2188MU-MA4 26-EBP100-JCX...
- Page 23 08-2188MU-MA4 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C204 08-2188MU-MA4 26-EBP103-ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C902 08-2188MU-MA4 26-EBP104-ZFX CAP. CER 0.1UF 50V +80%/-20% 1 C036 08-2188MU-MA4 26-EBP104-ZFX CAP. CER 0.1UF 50V +80%/-20% 1 C214 08-2188MU-MA4 26-EBP104-ZFX CAP.
- Page 24 08-2188MU-MA4 27-PBC472-J0X CAP. P.E 0.0047UF 63V +/-5% 1 C231 08-2188MU-MA4 27-PBC563-J0X CAP. P.E 0.056 UF 63V +/-5% 1 C314 08-2188MU-MA4 27-PBC682-J0X CAP. P.E 0.0068UF 63V +/-5% 1 C422 08-2188MU-MA4 34-A109K0-1IX COIL CHOKE 1 UH +/-10% 1 L102 08-2188MU-MA4 34-R100J2-0EX COIL PL - 10 UH +/-5% 1 L208 08-2188MU-MA4 34-R220J2-0EX...
- Page 25 08-2188MU-MA4 41-WJ0050-B00 WIRE BARE JUMPER 5MM 1 J412 08-2188MU-MA4 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J005 08-2188MU-MA4 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J009 08-2188MU-MA4 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J012 08-2188MU-MA4 41-WJ0060-B00 WIRE BARE JUMPER 6mm 1 J102 08-2188MU-MA4 41-WJ0060-B00 WIRE BARE JUMPER 6mm...
- Page 26 08-2188MU-MA4 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 J004 08-2188MU-MA4 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 J007 08-2188MU-MA4 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 J010 08-2188MU-MA4 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 J017 08-2188MU-MA4 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 1 J018 08-2188MU-MA4 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM...
- Page 27 08-2188MU-MA4 41-WJ0090-B00 WIRE BARE JUMPER 9MM 1 J404 08-2188MU-MA4 41-WJ0090-B00 WIRE BARE JUMPER 9MM 1 J905 08-2188MU-MA4 41-WJ0090-B00 WIRE BARE JUMPER 9MM 1 J042 08-2188MU-MA4 41-WJ0095-B00 WIRE BARE JUMPER 9.5MM 1 J235 08-2188MU-MA4 41-WJ0100-B00 WIRE BARE JUMPER 10MM 1 J006 08-2188MU-MA4 41-WJ0100-B00 WIRE BARE JUMPER 10MM...
- Page 28 08-2188MU-MA4 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 R310 08-2188MU-MA4 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 J617 08-2188MU-MA4 41-WJ0125-B00 WIRE BARE JUMPER 12.5MM 1 J249 08-2188MU-MA4 41-WJ0130-B00 WIRE BARE JUMPER 13MM 1 J621 08-2188MU-MA4 41-WJ0130-B00 WIRE BARE JUMPER 13MM 1 J622 08-2188MU-MA4 41-WJ0135-B00 WIRE BARE JUMPER 13.5MM...
- Page 29 08-2188MU-MA4 10-0FR104-FBX DIODE FR104 1 D401 08-2188MU-MA4 10-0FR104-FBX DIODE FR104 1 D402 08-2188MU-MA4 10-0FR104-FBX DIODE FR104 1 D403 08-2188MU-MA4 10-0FR104-FBX DIODE FR104 1 D406 08-2188MU-MA4 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% 1 C041 08-2188MU-MA4 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% 1 C217 08-2188MU-MA4 25-BCB100-M1X...
- Page 30 08-2188MU-MA4 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% 1 C904 08-2188MU-MA4 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% 1 C905 08-2188MU-MA4 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% 1 C907 08-2188MU-MA4 25-BFB109-M1X CAP. ELEC 1 UF 50V +/-20% 1 C908 08-2188MU-MA4 25-BFB109-M1X CAP.
- Page 31 08-2188MU-MA5 18-FF0153-JGX RES. M.O. 15K OHM 1W +/-5% 1 R404 08-2188MU-MA5 18-FF0159-JGX RES. M.O. 1.5 OHM 1W +/-5% 1 R305 08-2188MU-MA5 18-FF0331-JGX RES. M.O. 330 OHM 1W +/-5% 1 R336 08-2188MU-MA5 18-FF0472-JGX RES. M.O. 4.7K OHM 1W +/-5% 1 R408 08-2188MU-MA5 18-FF0479-JGX RES.
- Page 32 08-2188MU-MA5 48-TAC002-XX0 TACT SWITCH 1 S003 08-2188MU-MA5 48-TAC002-XX0 TACT SWITCH 1 S004 08-2188MU-MA5 48-TAC002-XX0 TACT SWITCH 1 S005 08-2188MU-MA5 48-TAC002-XX0 TACT SWITCH 1 S006 08-2188MU-MA5 48-TAC002-XX0 TACT SWITCH 1 S007 08-2188MU-MA5 54-268340-000 SPONGE CUSHION 15 X 45 X 3MM STICK ON H.SINK(IC601) & SECAM BD 08-2188MU-MA5 62-10654X-00F UNI - TIE (2.5mmX95mm)
- Page 33 08-2188MU-PA7 76-02180G-0AT CARTON BOX 03-2188MU-MR34 08-A2188U-FCY ASS'Y - FRONT CABINET 08-A2188U-FCY 02-GND021-XX0 ASS'Y - CRT GND WIRE&HOUSE FOR CRT GROUNDING 08-A2188U-FCY 42-61308E-XX0 SPEAKER (58MMX128MM) 8 OHM 6W 1 W601 08-A2188U-FCY 42-61308E-XX0 SPEAKER (58MMX128MM) 8 OHM 6W 1 W602 08-A2188U-FCY 44-21RFLN-LG2A CRT A51QDJ279X12 1 CRT01 08-A2188U-FCY...
- Page 34 08-A2188U-RC1 58-2188MP-0UI PLATE MODEL NO. 08-A2188U-RC1 59-130460-00X RUBBER PAD (25mmX7mm) 08-A2188U-RC1 62-301490-0UN SUPPORTER (FOR FBT) 08-A2188U-RC1 63-B40200-AB2 S/T SCREW B 4 X 20 AB MTG MIDDLE CAB & REAR CAB 08-A2188U-RC1 63-W30100-AB4 S/T SCREW W 3 X 10 AB MTG FBT SUPPORTER & REAR CAB. 03-2188MU-MR34 08-HS46F0-M17B ASS'Y - REMOTE HANDSET "TXT"...
- Page 35 08-02180U-PWY 18-CB0102-JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R829 08-02180U-PWY 18-CB0182-JNX RES. C.F. 1.8K OHM 1/6W +/-5% 1 R804 08-02180U-PWY 18-CB0222-JNX RES. C.F. 2.2K OHM 1/6W +/-5% 1 R827 08-02180U-PWY 18-CB0470-JNX RES. C.F. 47 OHM 1/6W +/-5% 1 R826A 08-02180U-PWY 18-CB0472-JNX RES.
- Page 36 08-02180U-PWY 26-EBP220-JZX CAP. CER 22PF 50V +/-5% SL TU 1 C810 08-02180U-PWY 26-EBP561-JCX CAP. CER 560PF 50V +/-5% CH 1 C888 08-02180U-PWY 27-AQT224-MVH CAP. M.PP 0.22 UF 250VAC 20% 1 C801 08-02180U-PWY 27-MBC224-J0X CAP. M.P.E 0.22UF 63V +/-5% 1 C814 08-02180U-PWY 27-MHM104-K0X CAP.
- Page 37 08-02180U-PWY 66-343730-0B0 HOLLOW RIVET 1.6X3.0XL3.2 FOR T802 08-02180U-PWY 67-339070-1E7 SPRING CLIP MTG Q801 08-02180U-PWY 67-H28649-3A0 HEAT SINK FOR Q801 08-02180U-PWY 90-209770-SR1 SILICONE GREASE G-746 0.0003 FOR Q801 08-02180U-PWY 26-APK102-ME4 CAP. CER 1000PF 400VAC+/-20% E 1 C835 08-02180U-PWY 26-APK102-ME4 CAP. CER 1000PF 400VAC+/-20% E 1 C824 08-02180U-PWY 10-0FR104-FBX...
- Page 38 Flowchart chart of alignment procedure for M17 chassis: B+ adjustment VCO & AFT NICAM Electrical RF AGC Alignment Adjustment 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...
- Page 39 Press “4” to enter sharpness setting menu, Item Description Default data SHPTV3 50% sharpness in 3.58 system (TV) SHPAV3 50% sharpness in 3.58 system (AV) SHPTV4 50% sharpness in 4.43 system (TV) SHPAV4 50% sharpness in 4.43 system (AV) SHPX Maximum sharpness SHPN Minimum sharpness...
- Page 40 Press “0” to enter OSD setting menu, Item Description Default data Horizontal position of OSD TXCX OSD intensity when maximum contrast RGCN OSD intensity when minimum contrast TNTX Maximum tint level TNTN Minimum tint level I) Adjustment of B+ voltage 1.
- Page 41 V) Adjustment of Sub-contrast, Sub-tint and Sub-colour for NSTC and PAL signal. 1. Enter D-mode, and connect the probe of Oscilloscope to the conjunction between R217 and P201 (B-out). 2. Apply the Grey-scale/Colour-bar (NTSC signal) to the AV input, in STANDARD status. 3.
- Page 42 IX) Adjustment of Picture Geometry (PAL) 1. Apply the crosshatch pattern (PAL signal) to the RF input, in STANDARD status. 2. Select HPOS50 to adjust the Horizontal center. 3. Select VPOS50 to adjust the Vertical center. 4. Select HIGH50 to adjust the Vertical amplitude. 5.
- Page 43 System setting of M17 VCDM0 (default value: 68) BIT Item System switch: 0 : normal identify mode 1 : weak signal identify mode White peak suppress: 0: on 1: off ABL gain 00: -0.74v 01: -0.64v 10: -0.37v 11: -0.12v ABL start point 00: -0.01v 01: -0.11v 10: -0.3v 11: -0.45v CW-SW: TB1238N, pin 29 Fsc CW output 0 : AUTO, 1 : 4.43M...
- Page 44 MODE1 BIT Item Logo: 0: disable 1: TCL Logo No. of channel: 0: 49 1: 99 No use Menu background 0: disable 1: black background No. of AV 0: 1 1: 2 SECAM 0: off 1: on D-mode 0: enable 1: disable No use MODE2 BIT Item...
- Page 45 M17 Block Diagram By ZSM 2002/8/8 Q801 T802 220V~ D801—D804 IC801 AMP. Transformer Optional Part Q501 Q503 SECAM R/G/B Q505 AMP. R/G/B IC701 TA1275AZ V. AMP. V.out IC301 Tuner IF AMP TB1238 FOCUS TU101 Q101 Z101 IC201 SCREEN H.out H.drive AMP. Q401 Q402 IC001 T402...