JVC LT-32X676 Service Manual
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JVC LT-32X676 Service Manual

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SERVICE MANUAL
1
2006
YA379
The following items for the LT-32X676/T was changed partly from LT-32X575/T.
Therefore, this service manual describes only the items which differ from those of the LT-32X575/T service
manual.
For details other than those described in this manual, please refer to the LT-32X575/T service manual
(No.YA214, 2004/9).
MAIN DIFFERENCE POINT
Item
Cabinet design
Stand type
LCD FLAT TELEVISION
LT-32X676
LT-32X575/T
World Wide New Tooling
Oval type
COPYRIGHT © 2006 Victor Company of Japan, Limited
/T
BASIC CHASSIS
LT-32X676/T
New Tooling (Asia SX5 Design)
Half moon type
FL2
No.YA379
2006/1

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  • Page 1 2006 LT-32X676 BASIC CHASSIS The following items for the LT-32X676/T was changed partly from LT-32X575/T. Therefore, this service manual describes only the items which differ from those of the LT-32X575/T service manual. For details other than those described in this manual, please refer to the LT-32X575/T service manual (No.YA214, 2004/9).
  • Page 2 DIFFERENCE LIST USING P.W. BOARD (Page 3-2) P.W.B ASS'Y Name LT-32X575/T LT-32X676/T DESCRIPTION ANALOG SIGNAL PWB LCA90350-12C (SFL-1012A) LCA90609-01A (SFL-1015A) FRONT CONTROL PWB LCA90351-11A (SFL-7011A) LCA90469-05A (SFL-7114A) FRONT SENSOR PWB LCA90352-11A (SFL-8011A) LCA90470-05A (SFL-8143A) DIGITAL SIGNAL PWB LCA10428-74A (SFL-0D107A) LCA10428-82A (SFL-0D113A) EXPLODED VIEW PARTS LIST Ref.
  • Page 3 Ref. No. Part No. PART NAME DESCRIPTION LC21340-001C-HK DUCT COVER (x2) LC21339-001B-HK DUCT BASE (x2) LC12321-003D FRONT PANEL ASSY QAS0142-001 SPEAKER SP01/SP02(x2) LC33125-001B-HK LED LENS LCA90349-07B REGULATOR PWB LCA90348-07D POWER PWB LCA10447-51A RECEIVER PWB LCA90353-11A CONNECTOR PWB LCA90609-01A ANALOG SIGNAL PWB LCA10428-82A DIGITAL SIGNAL PWB LCA90469-05A...
  • Page 4 EXPLODED VIEW 107A 107B FAN BRACKET RECEIVER PWB BRACKET INSULATOR FRONT 1-4 (No.YA379)
  • Page 5 MAIN BASE TOP FRAME BOTTOM FRAME FRONT FRONT (No.YA379)1-5...
  • Page 6 PRINTED WIRING BOARD PARTS LIST ANALOG SIGNAL P.W. BOARD ASS'Y (Page 3-6) Part No. LT-32X575/T LT-32X676/T Ref. No. PART NAME DESCRIPTION LCA90350-12C LCA90609-01A (SFL-1012A) (SFL-1015A) IC6661 TDA8925ST/N1 TDA8928ST/N1 C323 QETM1AM-228 QETN1AM-228Z E CAPACITOR 2200uF 10V M C820 NCB31AK-474X NCB31AK-474X-U C CAPACITOR 0.47uF 10V K...
  • Page 7 PACKING PARTS LIST (Page 3-19) Part No. Ref. No. PART NAME DESCRIPTION LT-32X575/T LT-32X676/T LC10006-047A LC10006-062A PACKING CASE LC21688-001A LC22000-001A CUSHION LC11983-001B LC12447-001A CUSHION ASSY 4pcs in 1set LCT1750-001A LCT2047-001A CAUTION SHEET LC21580-003A-0L RATING LABEL Not supply SECTION 1 PRECAUTION Please refer to "LT-32X575/T (No.YA214)"...
  • Page 8 SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE 3.1.1 REMOVING THE STAND (Fig.1) 3.1.7 REMOVING THE RECEIVER PWB (Fig.1) (1) Remove the 2 screws [A], then remove the STAND • Remove the STAND. COVER. • Remove the REAR COVER. (2) Remove the 4 screws [B], then remove the STAND. (1) Remove the 3 screws [M] and the 1 screw [N], then remove the TUNER BASE.
  • Page 9 JACK COVER JACK COVER STAND COVER STAND REAR COVER FAN BRACKET REGULATOR PWB RECEIVER PWB POWER PWB TUNER BASE POWER CORD RECEIVER PWB BRACKET INSULATOR POWER CORD HOLDER CONNECTOR PWB ANALOG SIGNAL PWB DIGITAL SIGNAL PWB TERMINAL BASE FRONT CONTROL PWB FRONT CONTROL ASSY Fig.1...
  • Page 10 3.1.10 REMOVING THE SPEAKER (Fig.2) 3.1.12 REMOVING THE FRONT SENSOR PWB (Fig.2) • Remove the STAND. • Remove the STAND. • Remove the REAR COVER. • Remove the REAR COVER. (1) Remove the 7 screws [A], then remove the SPEAKER •...
  • Page 11 MAIN BASE TOP FRAME BOTTOM FRAME LCD PANEL UNIT DUCT DUCT FRONT SENSOR PWB SPEAKER BOX SPEAKER SPEAKER LED LENS FRONT FRONT PANEL Fig.2 (No.YA379)1-11...
  • Page 12 SECTION 4 ADJUSTMENT Please refer to "LT-32X575/T (No.YA214)" about this section. SECTION 5 TROUBLESHOOTING Please refer to "LT-32X575/T (No.YA214)" about this section. Victor Company of Japan, Limited Flat Panel Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA379) Printed in Japan...
  • Page 13 LT-32X676 CD-ROM No.SML200601 BASIC CHASSIS The following items for the LT-32X676/T was changed partly from LT-32X575/T. Therefore, this service manual describes only the items which differ from those of the LT-32X575/T service manual. For details other than those described in this manual, please refer to the LT-32X575/T service manual (No.YA214, 2004/9).
  • Page 14 LT-32X676 STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type The components identified by the symbol and shading are No indication : Ceramic capacitor critical for safety. For continued safety replace safety ciritical : Metalized mylar capacitor : Polypropylene capacitor components only with manufactures recommended parts.

  • Page 15: Table Of Contents

    ANALOG SIGNAL PWB PATTERN ......................2-17 FRONT CONTROL PWB PATTERN ......................2-21 FRONT SENSOR PWB PATTERN ......................2-21 USING P.W. BOARD P.W.B ASS’Y name LT-32X676/T ANALOG SIGNAL P.W. BOARD LCA90609-01A (SFL-1015A) FRONT CONTROL P.W. BOARD LCA90469-05A (SFL-7114A) FRONT SENSOR P.W. BOARD...

  • Page 16: Wiring Diagram

    WIRING DIAGRAM CONNECTOR PWB CN1011 TU3001 ANALOG TUNER ANALOG SIGNAL PWB CN1012 CN011 RECEIVER PWB CN0002 CN0001 CN012 CN003 CN002 CN001 LCD PANEL UNIT CN000W CN003 LCD PANEL UNIT CN0LV2 LCD PANEL UNIT LCD PANEL UNIT CN0006 DIGITAL SIGNAL PWB CN1006 F9001 POWER PWB...

  • Page 17: Circuit Diagrams

    CIRCUIT DIAGRAMS ANALOG SIGNAL PWB CIRCUIT DIAGRAM (1/5) SHEET1 NOTE : To find the pages showing the corresponding schematic diagram, follow the indication below. **SHEET2 **SHEET3 **SHEET2 OPEN *SHEET: Refer to the service manual(YA214). OPEN ** SHEET: Refer to this service manual. D2001 CN00UV OPEN...
  • Page 18 ANALOG SIGNAL PWB CIRCUIT DIAGRAM (2/5) SHEET 2 FRONT CONTROL PWB ASS'Y CN100R (SHEET6) CN000R QGA1501C5-13W STB_5V BS_A3V BS_A5V CN0011 QGF0508C1-50W R402 BS_A9V Q402 3.3k CN0012 2SK1374-X QGF0508C1-30W BS_A5V LIP_R BS_A9V TEXT_FB1 R406 OPEN C834 C833 C832 C831 C830 C829 R403 OPEN OPEN...
  • Page 19 ANALOG SIGNAL PWB CIRCUIT DIAGRAM (3/5) SHEET 3 R218 RB201 OPEN OPEN **SHEET1 PC_VS **SHEET2 BSVS Q304 OPEN C348 R316 RB202 OPEN OPEN R336 C349 R219 C208 IC203 5.6k OPEN YUVSWY1 R315 R317 R318 SYNC1_IN OPEN R319 C347 R334 OPEN IC201 OPEN 2.2k...
  • Page 20 ANALOG SIGNAL PWB CIRCUIT DIAGRAM (4/5) SHEET 4 ANALOG SIGNAL PWB ASS'Y (4/5) IC6201 PQ20WZ11-X LCA90609-01A (SFL-1015A) AU_+VCC VCC12V Y6202 Y6201 D6201 MA111-X C6204 C6621 R6201 R6621 R6622 R6203 3300p 5.6K AU_+VCC R6624 C6202 C6201 R6205 C6205 R6623 0.01 0.01 QRJ146J-102X 3.9k R6625...
  • Page 21 ANALOG SIGNAL PWB CIRCUIT DIAGRAM (5/5) SHEET 5 NOTE : To find the pages showing the corresponding schematic diagram, follow the indication below. *SHEET: Refer to the service manual(YA214). ** SHEET: Refer to this service manual. CN000A QGA2001C2-03V Y901 Y905 Y909 OPEN OPEN...

  • Page 22: Front Control Pwb Circuit Diagram

    FRONT CONTROL PWB CIRCUIT DIAGRAM SHEET 19 FRONT SENSOR PWB CIRCUIT DIAGRAM SHEET 20 NOTE : To find the pages showing the corresponding schematic diagram, follow the indication below. *SHEET: Refer to the service manual(YA214). NOTE : To find the pages showing the corresponding schematic diagram, follow the indication below. ** SHEET: Refer to this service manual.

  • Page 23: Pattern Diagrams

    PATTERN DIAGRAMS ANALOG SIGNAL PWB PATTERN [SOLDER SIDE] J2011 J2001 J2003 J2008 J2007 Y913 J2006 J2004 J2009 Y914 J2002 Q2201 R2051 C2055 R2058 R6534 C2216 R2203 R2205 R2207 R2204 R2202 R2011 R2013 R2012 R2210 R2209 R2208 R2057 R2056 R6543 D2204 C2020 C2015 C2014...
  • Page 24 ANALOG SIGNAL PWB PATTERN [PARTS SIDE] J2008 R2001 R2010 R2007 Y902 C2018 C2012 Y901 C2010 J2003 J2009 J2004 R2009 R392 R382 C2022 J2011 C2011 R372 R326 R321 R316 J2006 C2021 R2004 R2002 R2003 C2008 R2006 C2005 J2007 J2001 R2055 C2002 C2016 R2054 R6608...

  • Page 25: Front Control Pwb Pattern

    FRONT CONTROL PWB PATTERN [SOLDER SIDE] S7704 S7703 S7702 S7701 S7705 S7706 S7707 R7017 R7018 C7701 J7001 C7703 R7701 R7702 R7704 C7702 R7703 C7012 L7001 C7011 FRONT CONTROL PWB PATTERN [PARTS SIDE] S7707 S7706 S7705 S7701 S7702 S7703 S7704 CN100R FRONT SENSOR PWB PATTERN [SOLDER SIDE] D8705 Q8711...
  • Page 26 Victor Company of Japan, Limited Flat Panel Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA379) Printed in Japan...

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Lt-32x676t

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