HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION KDL-32VL140 RM-YD023 US/CND ORIGINAL MANUAL ISSUE DATE: 8/2008 :UPDATED ITEM REVISION DATE SUBJECT 8/2008 No revisions or updates are applicable at this time. 8/2008 Updated reference to LCD Panels service manual. Replaced pages 52 & 53.
Page 2
Self Diagnosis Supported model SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION KDL-32VL140 RM-YD023 US/CND KDL-32VL140 RM-YD023 LCD DIGITAL COLOR TELEVISION 9-883-800-02...
Computer Entertainment Inc. manufactured under license from Gemstar-TV “PLAYSTATION” is a registered trademark Guide International, Inc. and/or one of its and “PS3” is a trademark of Sony Computer affiliates. Entertainment Inc. The TV Guide On Screen system is protected Adobe is a registered trademark or a trademark...
Page 5
KDL-32VL140 KDL-32VL140 Power Consumption 160W in use in standby Less than 1W Speaker Output 10W+10W 42 x 150 mm Dimensions (W x H x D) with stand 809 x 584 x 242 mm x 23 x 9 without stand 809 x 542 x 99 mm...
Components identifi ed 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 identifi...
Les composants identifi es par une trame et par une marque ! sur les schemas de principe, les vues explosees et les listes de pieces sont d’une importance critique pour la securite du fonctionnement. Ne les remplacer que par des composants Sony dont le numero de piece est indique dans le present manuel ou dans des supplements publies par Sony.
KDL-32VL140 SAFETY-RELATED COMPONENT WARNING There are critical components used in LCD color TVs that are important for safety. These components are identifi ed with shading and mark on the schematic diagrams and the electrical parts list. It is essential that these critical parts be replaced only with the part number specifi...
Page 9
Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade. This requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics. For more information on the use of Lead Free Solder, please refer to http://www.sony-training.com KDL-32VL140...
KDL-32VL140 SAFETY CHECK-OUT The AC leakage from any exposed metal part to earth ground and After correcting the original service problem, perform the following from all exposed metal parts to any exposed metal part having a safety checks before releasing the set to the customer: return to chassis, must not exceed 0.5 mA (500 microamperes).
KDL-32VL140 Self Diagnosis SELF-DIAGNOSTIC FUNCTION Supported model The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED indicator will automatically begin to fl ash. The number of times the LED fl ashes translates to a probable source of the problem. A defi nition of the STANDBY LED fl ash indicators is listed in the instruction manual for the user’s knowledge and reference.
Page 12
KDL-32VL140 LED Indicators Number of times Diagnostic Item STANDBY lamp Possible Location Description flashes Main Power 2 times Power Supply Board Main Board DC Alert 3 times Power Supply Board Panel Alert 5 times LCD Panel Main Board Backlight 6 times...
KDL-32VL140 1-3. SIDE JACK BRACKET, BU BOARD AND POWER UNIT (G1D BOARD) REMOVAL Release hook and slide out Side Jack Bracket from BU Board Remove 2 screws Disconnect 5 connectors Main Bracket Remove 9 screws Disconnect 3 connectors from Power Unit...
KDL-32VL140 1-5. STRUCTURAL FRAMES AND BRACKETS REMOVAL Remove 1 screw from Main Bracket Remove 4 screws from Main Bracket Remove 2 screws from top of both Spine Frames Remove 2 screws from Spine Frame (L) Remove 2 screws VESA Bracket(Top)
KDL-32VL140 1-6. LCD PANEL REMOVAL NOTE: The LVDS cable can only be installed one way. There is colored tape on the cable to determine which side is attached to the TCON and which side is attached to the BU Board.
KDL-32VL140 SECTION 2: SERVICE ADJUSTMENTS 2-1. VIEWING SERVICE ADJUSTMENT DATA TVLF CHECK SERVICE There are no adjustments necessary for these models. All data has COLOR ADJ 00100 been set for optimal viewing for our customers. The following sections R_DRV are for informational purposes only.
KDL-32VL140 2-4. USING THE REMOTE COMMANDER TO POWER VIEW SERVICE DATA Use the buttons on the Remote Commander to access the service menu items and adjust the data values. 1. Access Service Mode. Press the following buttons on the Remote Commander within a...
KDL-32VL140 SECTION 3: DIAGRAMS 3-1. CIRCUIT BOARDS LOCATION SWITCH UNIT (Contains H1 Board) POWER UNIT (G1D Board) 3-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS INFORMATION All capacitors are in μF unless otherwise noted. pF : μμF 50WV or All voltages are in V.
Page 29
KDL-32VL140 REFERENCE INFORMATION Terminal name of semiconductors in silk screen printed circuit ( RESISTOR CAPACITOR : RN METAL FILM : TA TANTALUM Circuit Device Printed symbol Terminal name : RC SOLID : PS STYROL Collector Transistor : FPRD NONFLAMMABLE CARBON...
KDL-32VL140 3-3. BLOCK DIAGRAM Rear Inputs YOUT for Slicer FHD Panel with HFR Digital Video for ATSC ITU-R BT.656 LVDS x245 x245 CXD9937GB CXD9937GB CVBS for PAP ITU-R BT.1120 Video SW Video SW S + Video1 ( 18h ) CXA2241...
KDL-32VL140 G1D BOARD SCHEMATIC DIAGRAM 470pF 1K V K 27 2W J C821 C822 R841 CN1: 1 1N5406R LG C B-4.0-01 STP S20H100CT MH-DP7220 HFV-DP7140 HFV-DP7294 D905 L240 T 4A H 250V 470pF 1K V K T1:18 D240 D3SB60- 7000...
2-580-607-01 SCREW, +PSW M5X12 (SCREWS TO ATTACH TABLE-TOP STAND TO TV) 2-580-614-01 SCREW, +K M3X8 For product protection and safety reasons, Sony strongly recommends that 2-580-644-01 SCREW, +KTP2 3X8 you use the screws provided with the TV. 2-580-629-01 SCREW, +BVST 3X8 CAUTION: These screws cannot be used to secure the TV to Wall Mount Brackets.
See Appendix A: Encryption Key Components in the back of this manual. 4-2. CHASSIS (Check the Sony Electronics Service Information website for any additional service related issues for this model.) 2-580-629-01 SCREW, +BVST 3X8 2-674-965-31...
See Appendix A: Encryption Key Components in the back of this manual. 4-3. CONNECTORS (Check the Sony Electronics Service Information website for any additional service related issues for this model.) 2-580-629-01 SCREW, +BVST 3X8 NOTE: The LVDS cable can only be installed one way.
See Appendix A: Encryption Key Components in the back of this manual. 4-4. BEZEL ASSEMBLY AND LCD PANEL (Check the Sony Electronics Service Information website for any additional service related issues for this model.) 2-580-640-01 SCREW, +BVTP2 4X16...
KDL-32VL140 NOTE: Les composants identifi es per un trame et NOTE: The components identifi ed by a red outline and a mark contain NOTE: The components identifi ed by shading une marque sont critiques pour la securite. confi dential information. Specifi c instructions must be adhered to whenever mark are critical for safety.
KDL-32VL140 SECTION 5: ELECTRICAL PARTS LIST Items marked with an asterisk are not stocked since they NOTE: The components identifi ed by shading RESISTORS are seldom required for routine service. Expect some delay mark are critical for safety. Replace only •...
Page 62
KDL-32VL140 NOTE: Les composants identifi es per un trame et une NOTE: The components identifi ed by shading marque sont critiques pour la securite. Ne les remplacer mark are critical for safety. Replace only que par une piece portant le numero specifi e.
Page 63
KDL-32VL140 NOTE: Les composants identifi es per un trame et une NOTE: The components identifi ed by shading marque sont critiques pour la securite. Ne les remplacer mark are critical for safety. Replace only que par une piece portant le numero specifi e.
Page 64
KDL-32VL140 NOTE: Les composants identifi es per un trame et une NOTE: The components identifi ed by shading marque sont critiques pour la securite. Ne les remplacer mark are critical for safety. Replace only que par une piece portant le numero specifi e.
Page 65
KDL-32VL140 REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES R1102 1-218-957-11 METAL CHIP 2.2K 1/16W R1420 1-218-983-11 METAL CHIP 330K 1/16W R1103 1-218-989-11 METAL CHIP 1/16W R1421 1-218-971-11 METAL CHIP 1/16W R2006 1-218-990-81 SHORT CHIP R1104...
Page 66
KDL-32VL140 REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES R3403 1-208-711-11 METAL CHIP 0.50% 1/16W R5000 1-216-864-11 SHORT CHIP R3411 1-218-977-11 METAL CHIP 100K 1/16W R5001 1-211-990-11 METAL CHIP 0.50% 1/10W R5003 1-211-990-11 METAL CHIP 0.50% 1/10W...
Page 67
KDL-32VL140 REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES R7064 1-218-965-11 METAL CHIP 1/16W R7130 1-208-711-11 METAL CHIP 0.50% 1/16W R7065 1-208-955-11 METAL CHIP 680K 0.50% 1/16W R7131 1-208-911-11 METAL CHIP 0.50% 1/16W R7132 1-218-965-11 METAL CHIP...
Page 68
KDL-32VL140 REF. NO. PART NO. DESCRIPTION VALUES REF. NO. PART NO. DESCRIPTION VALUES R7403 1-208-683-11 METAL CHIP 0.50% 1/16W R7651 1-218-953-11 METAL CHIP 1/16W R7404 1-218-957-11 METAL CHIP 2.2K 1/16W R7653 1-218-965-11 METAL CHIP 1/16W R7654 1-218-969-11 METAL CHIP 1/16W...
Page 71
2-580-608-01 SCREW, +PSW M5X16 (SCREWS TO ATTACH TABLE-TOP STAND TO TV) For product protection and safety reasons, Sony strongly recommends that you use the screws provided with the TV. CAUTION: These screws cannot be used to secure the TV to Wall Mount Brackets.
MUST BE RETURNED to Sony. b) and if the core charge is NOT covered under the product warranty, the defective un-repaired or modified board MUST BE DESTROYED.
Page 73
In an effort to reduce the size of this pdf file the tiled schematics are not attached to this Service Manual. To receive a complete set of the tiled schematics for this manual please submit a request to the Service Promotion Department at Service_Promotion@am.sony.com.