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Sony KLV-26BX320 Service Manual
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Sony KLV-26BX320 Service Manual

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SERVICE MANUAL

AZ2FM
CHASSIS
Segment: P-2F
Version
Date
Subject
1.0
12/2010
Original manual issue.
LCD Digital Color TV
9-888-380-01

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Summary of Contents for Sony KLV-26BX320

  • Page 1: Service Manual

    SERVICE MANUAL AZ2FM CHASSIS Segment: P-2F Version Date Subject 12/2010 Original manual issue. LCD Digital Color TV 9-888-380-01...

  • Page 2: Model List

    MODEL LIST MODEL COLOR COMMANDER DEST. MODEL COLOR COMMANDER DEST. KLV-26BX320 Black RM-SA020 China KLV-32BX320 Black RM-SA020 China KLV-32BX321 Black/Black RM-SA020 China KLV-32BX323 Black/Brown RM-SA020 China KLV-32BX325 Black/Gun Metallic RM-SA020 China KLV-37BX320 Black RM-SA020 China KLV-40BX420 Black RM-SA020 China KLV-40BX421...

  • Page 3: Warnings And Cautions

    Components identified by shading and ! mark on the schematic diagrams, exploded views, and in the parts list are critical for safe operation. Replace these components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that are critical for safe operation are identified in this manual.

  • Page 4: Use Caution When Handling The Lcd Panel

    WARNINGS AND CAUTIONS USE CAUTION WHEN HANDLING THE LCD PANEL When repairing the LCD panel, be sure you are grounded by using a wrist band. When repairing the LCD panel on the wall, the LCD panel must be secured using the 4 mounting holes on the rear cover. Do not press on the panel or frame edge to avoid the risk of electric shock.

  • Page 5: Safety Check-Out

    SAFETY CHECK-OUT After correcting the original service problem, perform the following safety checks before releasing the set to the customer: 1. Check the area of your repair for unsoldered or poorly soldered connections. Check the entire board surface for solder splashes and bridges. 2.
  • Page 6 SAFETY CHECK-OUT Leakage Test The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes). Leakage current can be measured by any one of three methods. 1.

  • Page 7: Self Diagnosis Function

    SELF DIAGNOSIS FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED will automatically begin to flash. The number of times the LED flashes translates to a probable source of the problem. A definition of the STANDBY LED flash indicators is listed in the instruction manual for the user’s knowledge and reference. If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur.

  • Page 8: Display Of Standby Led Flash Count

    SELF DIAGNOSIS FUNCTION DISPLAY OF STANDBY LED FLASH COUNT [ FLASH COUNT ] 6 times 8 times LED ON sec. LED OFF LED OFF sec. sec. SELF-DIAGNOSTIC SCREEN DISPLAY For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurrences of failure for confirmation on the screen: [To Bring Up Screen Test] In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:...
  • Page 9 SELF DIAGNOSIS FUNCTION [SELF DIAGNOSTIC SCREEN DISPLAY] a) Press to select “SELF DIAGNOSIS”. b) Press to enter the menu. FACTORY MENU SELF DIAGNOSIS c) Press to returned “FACTORY MENU”. INPUT SOURCE BACK << WHITE BALANCE >> AUDIO ERROR COLOR TEMP >>...
  • Page 10 SEC 1. DISASSEMBLY AND PART LIST • Items with no part number and no description are not stocked because they are seldom required for roution service. • The construction parts of an assembled part are indicated with a collation number in the remark colum. •...
  • Page 11 DISASSEMBLY AND PART LIST 1-１. KLV-26BX320 1-1-1. STAND ASSY AND REAR COVER ASSY REF. No. PART No. DESCRIPTION MARK 4-262-537-01 REAR COVER BARE (GF26) 4-158-354-01 NECK (M3B) 4-158-400-01 COVER, NECK (M3B) X-2514-986-2 BASE (M3B) ASSY T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D...

  • Page 12: Vesa Bracket

    DISASSEMBLY AND PART LIST 1-1. KLV-26BX320 1-1-3. VESA BRACKET REF. No. PART No. DESCRIPTION MARK 4-272-462-01 BRACKET VESA (M4) 4-262-572-01 SUPPORT, PANEL (GF26) 1-489-579-11 SW ITCH UNIT 1-474-297-11 STATIC CONVERTER (TV)-G13 1-910-103-22 CONNECTOR ASSY 26 FFC 1-857-883-11 MOUNTED PW B A 1-839-056-11 POW ER-SUPPLY CORD 1.98M...
  • Page 13 DISASSEMBLY AND PART LIST 1-1. KLV-26BX320 1-1-5. SPEAKER AND SP BRACKET REF. No. PART No. DESCRIPTION MARK 4-262-546-01 BRACKET, SP (GF26L) 1-858-341-11 LOUDSPEAKER (4X10CM) 4-262-547-01 BRACKET, SP (GF26R) T.B.D T.B.D T.B.D T.B.D KLV-26/32/37/40BX320,321,323,325,420,421,423,425(CH)
  • Page 14 DISASSEMBLY AND PART LIST 1-1. KLV-26BX320 1-1-6. H BOARD, LCD PANEL AND BEZEL ASSY REF. No. PART No. DESCRIPTION MARK 1-811-371-11 LCD PANEL (C26B3-L07) 4-264-371-01 BRACKET, VESA (GF26L) 4-272-483-01 BEZEL (GF26) 1-857-884-11 MOUNTED PW B H T.B.D T.B.D T.B.D T.B.D T.B.D...
  • Page 15 DISASSEMBLY AND PART LIST 1-2. KLV-32BX320/321/323/325 1-2-1. STAND ASSY AND REAR COVER ASSY REF. No. PART No. DESCRIPTION MARK 4-262-538-01 REAR COVER BARE (GF32) KLV-32BX320 4-262-575-01 REAR COVER BARE (CF32) KLV-32BX321/323/325 4-158-354-01 NECK (M3B) 4-158-400-01 COVER, NECK (M3B) X-2514-986-2 BASE (M3B) ASSY T.B.D T.B.D T.B.D...
  • Page 16 DISASSEMBLY AND PART LIST 1-2. KLV-32BX320/321/323/325 1-2-3. VESA BRACKET REF. No. PART No. DESCRIPTION MARK 4-264-374-01 BRACKET, VESA (GF32L) KLV-32BX320 4-265-974-01 BRACKET, VESA (CF32) KLV-32BX321/323/325 4-272-463-01 BRACKET VESA (M6) 4-262-572-01 SUPPORT, PANEL (GF26) 1-910-103-23 CONNECTOR ASSY 32 FFC 1-489-579-11 SW ITCH UNIT KLV-32BX320 1-489-580-11 SW ITCH UNIT...
  • Page 17 DISASSEMBLY AND PART LIST 1-2. KLV-32BX320/321/323/325 1-2-5. SPEAKER AND SP BRACKET REF. No. PART No. DESCRIPTION MARK 4-262-548-01 BRACKET, SP (GF32L) KLV-32BX320 4-262-577-01 BRACKET, SP (CF32L) KLV-32BX321/323/325 1-858-341-11 LOUDSPEAKER (4X10CM) 4-262-549-01 BRACKET, SP (GF32R) KLV-32BX320 4-262-578-01 BRACKET, SP (CF32R) KLV-32BX321/323/325 T.B.D T.B.D T.B.D...
  • Page 18 DISASSEMBLY AND PART LIST 1-2. KLV-32BX320/321/323/325 1-2-6. H BOARD, LCD PANEL AND BEZEL ASSY REF. No. PART No. DESCRIPTION MARK 1-811-372-11 LCD PANEL (C32B6-L03) 1-857-884-11 MOUNTED PW B H KLV-32BX320 1-857-884-21 MOUNTED PW B H KLV-32BX321/323/325 4-272-484-01 BEZEL (GF32) KLV-32BX320 4-272-537-01 BEZEL (CF32) KLV-32BX321...
  • Page 19 DISASSEMBLY AND PART LIST 1-3. KLV-37BX320 1-3-1. STAND ASSY AND REAR COVER ASSY REF. No. PART No. DESCRIPTION MARK 4-262-539-01 REAR COVER BARE (GF37) 4-158-355-01 NECK (ML3B) 4-158-401-01 COVER, NECK (ML3B) X-2514-987-2 BASE (ML3B) ASSY T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D...
  • Page 20 DISASSEMBLY AND PART LIST 1-3. KLV-37BX320 1-3-3. VESA BRACKET REF. No. PART No. DESCRIPTION MARK 4-272-463-01 BRACKET VESA (M6) 4-262-572-01 SUPPORT, PANEL (GF26) 1-910-103-25 CONNECTOR ASSY 37 LVDS 1-489-579-11 SW ITCH UNIT 1-474-310-11 STATIC CONVERTER (TV)-G14 1-857-883-21 MOUNTED PW B A 1-839-056-11 POW ER-SUPPLY CORD 1.98M 4-262-574-01...
  • Page 21 DISASSEMBLY AND PART LIST 1-3. KLV-37BX320 1-3-5. SPEAKER AND SP BRACKET REF. No. PART No. DESCRIPTION MARK 4-265-972-01 BRACKET, SP (GF37L) 1-858-341-11 LOUDSPEAKER (4X10CM) 4-265-973-01 BRACKET, SP (GF37R) T.B.D T.B.D T.B.D T.B.D KLV-26/32/37/40BX320,321,323,325,420,421,423,425(CH)
  • Page 22 DISASSEMBLY AND PART LIST 1-3. KLV-37BX320 1-3-6. H BOARD, LCD PANEL AND BEZEL ASSY REF. No. PART No. DESCRIPTION MARK 1-811-290-11 LCD PANEL (C37B1-L03) 4-272-485-01 BEZEL (GF37) 1-857-884-11 MOUNTED PW B H T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D KLV-26/32/37/40BX320,321,323,325,420,421,423,425(CH)
  • Page 23 DISASSEMBLY AND PART LIST 1-4. KLV-40BX420/421/423/425 1-4-1. STAND ASSY AND REAR COVER ASSY REF. No. PART No. DESCRIPTION MARK 4-262-540-01 REAR COVER BARE (GF40) KLV-40BX420 4-262-576-01 REAR COVER BARE (CF40) KLV-40BX421/423/425 4-158-355-01 NECK (ML3B) 4-158-401-01 COVER, NECK (ML3B) X-2514-987-2 BASE (ML3B) ASSY T.B.D T.B.D T.B.D...
  • Page 24 DISASSEMBLY AND PART LIST 1-4. KLV-40BX420/421/423/425 1-4-3. VESA BRACKET REF. No. PART No. DESCRIPTION MARK 4-264-380-01 BRACKET, VESA (GF40) KLV-40BX420 4-265-975-01 BRACKET, VESA (CF40) KLV-40BX421/423/425 4-272-463-01 BRACKET VESA (M6) 4-264-379-01 SUPPORT, PANEL (GF40) 1-910-103-24 CONNECTOR ASSY 40 FFC 1-489-579-11 SW ITCH UNIT KLV-40BX420 1-489-580-11 SW ITCH UNIT...
  • Page 25 DISASSEMBLY AND PART LIST 1-4. KLV-40BX420/421/423/425 1-4-5. SPEAKER AND SP BRACKET REF. No. PART No. DESCRIPTION MARK 4-262-550-01 BRACKET, SP (GF40L) KLV-40BX420 4-262-579-01 BRACKET, SP (CF40L) KLV-40BX421/423/425 1-858-341-11 LOUDSPEAKER (4X10CM) 4-262-551-01 BRACKET, SP (GF40R) KLV-40BX420 4-262-580-01 BRACKET, SP (CF40R) KLV-40BX421/423/425 T.B.D T.B.D T.B.D...
  • Page 26 DISASSEMBLY AND PART LIST 1-4. KLV-40BX420/421/423/425 1-4-6. H BOARD, LCD PANEL AND BEZEL ASSY REF. No. PART No. DESCRIPTION MARK 1-811-329-21 LCD PANEL (S40ESP) 4-273-014-01 BEZEL (GF40) KLV-40BX420 4-273-023-01 BEZEL (CF40) KLV-40BX421 4-273-023-11 BEZEL (CF40) KLV-40BX423 4-273-023-21 BEZEL (CF40) KLV-40BX425 1-857-884-11 MOUNTED PW B H KLV-40BX420...
  • Page 27 DISASSEMBLY AND PART LIST 1-5. OTHER PART 1-5-1. MISCELLANEOUS 1-5-2. ACCESSORIES PART No. DESCRIPTION MARK PART No. DESCRIPTION MARK 4-272-189-01 LABEL, REAR TERMINAL 1-487-911-11 REMOTE COMMANDER (RM-SA020) KLV-26/32/37/40BX320,321,323,325,420,421,423,425(CH)

  • Page 28: Sec 2. Adjustment

    SEC 2. ADJUSTMENT HOW TO ENTERING FACTORY MENU 1) Turn on the main power switch to place this set in standby mode. 2) Press the buttons on the remote commander as follows, and entering factory menu. DISPLAY Channel Volume TV POWER 3) Factory menu display.

  • Page 29: Edit Model Name

    Note: When replaced B board, INPUT SOURCE a) Press to select “PANEL INDEX”. WHITE BALANCE >> b) Press to status change. COLOR TEMP >> KLV-26BX320 : WXGACMO26 SERVICE MODE >> KLV-32BX320/321/323/325 : WXGA CMO32 SELF DIAGNOSIS >> KLV-37BX320 : WXGA CMO37 ADC ADJ >>...

  • Page 30: White Blance Adjustment

    ADJUSTMENT 3. FINISH please execute SAVE function to save changes, and then unplug and plug the AC After change the setting of PANEL INDEX and FRONT BEZEL, Power cord in order to re-load the panel parameters. WHITE BLANCE ADJUSTMENT FACTORY MENU WHITE BALANCE conduct followings.

  • Page 31: Sec 4. Diagrams

    SEC 4. DIAGRAMS 4-1. BLOCK DIAGRAM TV Tuner RF IN K9655 K7262 Speaker BD5451 5W/8W Audio Video 1 Processor (MST6300) LCD Panel IF Port 26”, 32”, 37”, 40” YPrPb LVDS Digital Video Processor Power DC-DC/ supply unit Reg. ICs (PSU) HDMI 1 Memory MCU/...
  • Page 32 English 2010LL08-Data Made in Japan Sony EMCS Corporation © 2010. 12 9-888-380-01 Tokai TEC Inazawa Site KLV-26/32/37/40BX320,321,323,325,420,421,423,425(CH)

This manual is also suitable for:

Klv-32bx320Klv-32bx321Klv-32bx323Klv-32bx325Klv-37bx320Klv-40bx420 ... Show all

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