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Teac CT-F687 Service Manual
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Teac CT-F687 Service Manual

Teac CT-F687 Service Manual

68cm ctv
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SERVICE MANUAL

CTF687
68CM CTV
APR03
SERVCTF687

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Summary of Contents for Teac CT-F687

  • Page 1: Service Manual

    SERVICE MANUAL CTF687 68CM CTV APR03 SERVCTF687...
  • Page 2 TEAC SERVICE MANUAL CT-F687 1. Caution……………………………………………………………2 2. Specification………………………………………………………6 3. BOM List…………………………………………………………13 4. Alignment Procedure………………………………………….…24 5. Block Diagram……………………………………………………29 6. Schematic Diagram………………………………………………30 7. PCB Layout………….……………………………………………31 8. Exploded View Diagram………………………Temporary Absence 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 3 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 4: 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 5 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 6 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 7: Product Specification

    PRODUCT SPECIFICATION MODEL： ： ： ： CT-F687 AMBIENT CONDITIONS： ： ： ： AMBIENT TEMPERATURE： ： ： ： OPERATING ： ： ： ： -10° ° ° ° C ~ +40° ° ° ° C STORAGE ： ： ： ： -15° ° ° ° C ~ +45° ° ° ° C HUMIDITY ：＜...
  • Page 8 GENERAL SPECIFICATION : 14” 20” 21” 25” 29” 34” OTHER 2: CHASSIS: DIGITAL NICAM STEREO ANALOG SURROUND SOUND TELETEXT GERMAN STEREO S.VHS OTHER CPU: TSB M5C01 TSB M5C03 TSB M5ENG TSB M6/M6A TSB M7/M7A TSB M8A TSB M8B TSB CTS-654A TSB M2A SS M4F 其他(OTHERS) M13...

  • Page 9: Power Consumption

    CH21--CH69 CH14--CH83 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 SOUND 6.5MHz...
  • Page 10 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 12： AERIAL INPUT IMPEDANCE 75 Ω UNBALANCED DIN JACK ANT.INPUT75 75Ω...
  • Page 11 PLL FREQUENCY SYNTHESIZER (F.S.) 2： PRESETTABLE PROGRAM 50 PROGRAMS 0-99 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 12 9： FULL FUNCTION INFRARED REMOTE CONTROL P/N OF REMOTE CONTROL INLAY) : 58-HS46F2-MUI 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...
  • Page 13 RCA SOCKET SCART SOCKET(AV) S SCART SOCKET(FULL) SPECIFICATION SCART VIDEO INPUT 75Ω S 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-BSC290-1650X 2.
  • Page 14 Sheet1 03-29274T-AA3 Effective Date : 2002-8-30 Item Quantity Parent Item Parent Item Description Item No. Item Description Type Req. Designator 08-29274T-MAN ASS'Y - MAIN BD 27-MBC104-J0X CAP. M.P.E.0.1 UF 50V +/-5% 6 C102, C211, C212, C213, C242, C252 08-29274T-MAN ASS'Y - MAIN BD 27-PBC222-J0X CAP.
  • Page 15 Sheet1 08-29274T-MAN ASS'Y - MAIN BD 18-CB0152-JNX RES. C.F. 1.5K OHM 1/6W +/-5% 5 R063, R204, R212, R213, R214 08-29274T-MAN ASS'Y - MAIN BD 18-CB0181-JNX RES. C.F. 180 OHM 1/6W +/-5% 1 R123 08-29274T-MAN ASS'Y - MAIN BD 18-CB0182-JNX RES. C.F. 1.8K OHM 1/6W +/-5% 1 R715 R012, R203, R215, R216, R217, R255, 08-29274T-MAN...
  • Page 16 Sheet1 08-29274T-MAN ASS'Y - MAIN BD 18-FE0121-JNX RES. M.O. 120 OHM 1/2W +/-5% 1 R306 08-29274T-MAN ASS'Y - MAIN BD 25-BCB220-M1X CAP. ELEC 22 UF 16V +/-20% 1 C278 08-29274T-MAN ASS'Y - MAIN BD 25-BEA221-M1X CAP. ELEC 220 UF 35V +/-20% 1 C306 08-29274T-MAN ASS'Y - MAIN BD...
  • Page 17 Sheet1 08-29274T-MAN ASS'Y - MAIN BD 10-55C8V2-DBX DIODE ZENER 8V2 1/2W +/-5% 2 D240, D471 08-29274T-MAN ASS'Y - MAIN BD 10-CW574C-DJX DIODE CW574CS 1 D111 08-29274T-MAN ASS'Y - MAIN BD 10-TFR104-FBX DIODE TFR104 (FAST RECOVERY) 4 D412, D421, D431, D441 Q061, Q211, Q241, Q242, Q633, 08-29274T-MAN ASS'Y - MAIN BD...
  • Page 18 Sheet1 R005, R012A, R017, R029, R031, R051, R054, R055, R061, R101, R102, R960, R961, 08-29274T-MAN ASS'Y - MAIN BD 18-CB0103-JNX RES. C.F. 10K OHM 1/6W +/-5% R225, R237, R633, R716, R757 R962, R989 08-29274T-MAN ASS'Y - MAIN BD 25-BCB221-M1X CAP. ELEC 220 UF 16V +/-20% 2 C634, C933 D041, D042, D043, D044, D211, D212, D213, D221, D223, D280, D632, D711,...
  • Page 19 Sheet1 08-29274T-MAN ASS'Y - MAIN BD 13-274020-00P IC TMP87PS38N M3 TSB CPU (OTP) 1 IC001 R003, R006, R007, R009, R015, R016, 08-29274T-MAN ASS'Y - MAIN BD 18-CB0101-JNX RES. C.F. 100 OHM 1/6W +/-5% R065, R073, R075, R241, R253 C074, C106, C214, C227, C276, C651, 08-29274T-MAN ASS'Y - MAIN BD 25-BCB100-M1X...
  • Page 20 Sheet1 08-02927T-PW1 ASS'Y - POWER PARTS "AUST" 18-FG0333-JHX RES. M.O. 33K OHM 2W +/-5% 2 R810, R839 08-02927T-PW1 ASS'Y - POWER PARTS "AUST" 18-GG0228-JHX RES WIRE ROUND 0.22 OHM 2W 5% 1 R830 08-02927T-PW1 ASS'Y - POWER PARTS "AUST" 26-AIC221-KBX CAP.
  • Page 21 Sheet1 08-02927T-PW1 ASS'Y - POWER PARTS "AUST" 22-NTC479-XX0 NTC 4.7 OHM +/-18% NTC4.7D2-14 1 R802 C831, C842, C845, C847, C848, C854, 08-02927T-PW1 ASS'Y - POWER PARTS "AUST" 26-EBP104-ZFX CAP. CER 0.1UF 50V +80-20% F C856 08-02927T-PW1 ASS'Y - POWER PARTS "AUST" 26-AMK221-JZX CAP.
  • Page 22 Sheet1 FOR POWER 08-02927T-FB1 ASS'Y - F.CTL & SW.BD "AUST" 46-28559W-02X PIN BASE *2 TJC1-2A 1 P801B CORD 08-02927T-FB1 ASS'Y - F.CTL & SW.BD "AUST" 46-28559W-02X PIN BASE *2 TJC1-2A 1 P801A 08-02927T-FB1 ASS'Y - F.CTL & SW.BD "AUST" 63-P30060-0B3 S/T SCREW P 3 X 6 B (BLACK) 5 MTG F.CTL BD &...
  • Page 23 Sheet1 08-29274T-FCN ASS'Y - FRONT CABINET 63-H60300-0B4 S/T SCREW H 6 X 30 B 4 MTG CRT & FRONT CAB. 08-29274T-FCN ASS'Y - FRONT CABINET 63-W30100-AB4 S/T SCREW W 3 X 10 AB 1 MTG LENS & FRONT CAB. 08-29274T-FCN ASS'Y - FRONT CABINET 63-W30100-AB4 S/T SCREW W 3 X 10 AB...
  • Page 24 Sheet1 08-02918T-NIY ASS'Y - NICAM BD 26-EBP103-ZFX CAP. CER 0.01UF 50V +80-20% F 1 C1002 08-02918T-NIY ASS'Y - NICAM BD 26-EBP104-ZFX CAP. CER 0.1UF 50V +80-20% F 5 C1004, C1012, C1019, C1021, C1023 08-02918T-NIY ASS'Y - NICAM BD 26-EBP471-JCX CAP. CER 470 PF 50V +/-5% CH 1 C1018 08-02918T-NIY ASS'Y - NICAM BD...

  • Page 25: Enter Service Mode

    TB1240 + TCLM13 chassis alignment instruction Enter factory mode in production line Simply press the D-mode key on the factory remote handset. Enter service mode Press and hold the VOLUME DOWN key tightly on the unit until minimum level and don’t release the VOLUMN DOWN key, then press the DISPLAY key on the remote handset three times.
  • Page 26 Vertical VPOS50 (04) Input a PAL cross Adjust VPOS50 for vertical position. geometry for HIGH50 (25) hatch pattern. Adjust HIGH50 for vertical amplitude. PAL system VLIN50 (04) Adjust VLIN50 for vertical linearity. (Key 2) VSC50 (05) Adjust VSC50 for vertical S-correction OSD50 (20) Adjust OSD50 for OSD position (normally use default value).
  • Page 27 (curve of --------- VOL05 is the volume output level at 5% volume VOL25 is the volume output level at 25% control) Remark: The value of VOL05 and VOL25 was not suggested to vary in every set. It is suggested to use the default value. 13 White balance R CUT (6B) Black and white...

  • Page 28: System Data

    11 Two digit key SHPTV3 (1A) ---------- SHPTV3 – 50% sharpness in 3.58 system -/-- SHPAV3 (1A) (TV) (sharpness SHPTV4 (18) SHPAV3 – 50% sharpness in 3.58 system (AV) adjustment) SHPAV4 (18) SHPTV4 – 50% sharpness in 4.43 system SHPX (1A) (TV) SHPN (1F) SHPAV4 –...
  • Page 29 System setting of M13 VCDM0 (default value: 28) 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...
  • Page 30 MODE1 BIT Item BG : 0 : off 1 : on 0 : off 1 : on DK : 0 : off 1 : on 0 : off 1 : on 4, 5 SSIF1, SSIFO Default sound system after auto search: 00 : BG 01 : I 10 : DK 11 : M AV/TV: 0: TV/AV...