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Sony TRINITRON KD-32XS945 Service Manual

Sony trinitron color television service manual.
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

SERVICE MANUAL

MODEL NAME
KD-32XS945
ORIGINAL MANUAL ISSUE DATE: 5/2005
REVISION DATE
5/2005
9-965-979-01
REMOTE COMMANDER
RM-Y199
SUBJECT
No revisions or updates are applicable at this time.
DA-4
DESTINATION
CHASSIS NO.
US
SCC-S76B-A
®
TRINITRON
COLOR TELEVISION
CHASSIS

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Table of Contents

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   Summary of Contents for Sony TRINITRON KD-32XS945

  • Page 1: Service Manual

    HISTORY INFORMATION FOR THE FOLLOWING MANUAL: DA-4 SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO. KD-32XS945 RM-Y199 SCC-S76B-A ORIGINAL MANUAL ISSUE DATE: 5/2005 REVISION DATE SUBJECT 5/2005 No revisions or updates are applicable at this time. ® TRINITRON...
  • Page 2 Self Diagnosis Supported model DA-4 SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO. KD-32XS945 RM-Y199 SCC-S76B-A RM-Y199 KD-32XS945 ® TRINITRON COLOR TELEVISION 9-965-979-01...
  • Page 3: Table Of Contents

    KD-32XS945 TABLE OF CONTENTS SECTION TITLE PAGE SECTION TITLE PAGE Specifi cations ................. 4 SECTION 4: CIRCUIT ADJUSTMENTS ..........39 Warnings and Cautions ............6 4-1. Remote Adjustment Buttons and Indicators ......39 Safety Check-Out ..............7 4-2. Accessing Service Adjustment Mode ........39 Self-Diagnostic Function ............
  • Page 4: Specifi Cations

    SRS (SOUND RETRIEVAL SYSTEM) is manufactured TruSurround is a trademark of SRS Labs, Inc. SRS and the SRS by Sony Corporation under license from SRS Labs, Inc. It is symbol are registered trademarks of SRS Labs, Inc. in the United covered by U.S.
  • Page 5 KD-32XS945 Television system American TV standard; NTSC ATSC compliant 8VSB; ATSC compliant (8VSB terrestrial) ANSI/SCTE 07 2000; QAM on cable Channel coverage Analog; VHF: 2-13/UHF: 14-69/ CATV: 1-125 Digital; VHF: 2-13/UHF: 14-69/ CATV: 1-135 Picture tube ® FD Trinitron tube...
  • Page 6: Warnings And Cautions

    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 ed in this manual. Follow these procedures whenever critical components are replaced or improper operation is suspected.
  • Page 7: Safety Check-out

    KD-32XS945 SAFETY CHECK-OUT Leakage Test After correcting the original service problem, perform the following The AC leakage from any exposed metal part to earth ground and from safety checks before releasing the set to the customer: all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes).
  • Page 8: Self-diagnostic Function

    KD-32XS945 Self Diagnosis SELF-DIAGNOSTIC FUNCTION Supported model The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER LED 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/TIMER LED fl ash indicators is listed in the instruction manual for the user’s knowledge and reference.
  • Page 9 KD-32XS945 Self-Diagnostic Screen Display For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confi rmed, it is possible to bring up past occurrences of failure on the screen for confi rmation.
  • Page 10 KD-32XS945 +B overcurrent (OCP) Occurs when excessive current fl ows through R5013. The increase in voltage across R5013 causes the output of Q5004 to go high, and this high signal goes to the micro. +B overvoltage (OVP) IC6505 detects +B OVP condition and turns on Q6522. This sends a high signal to the micro and also shuts down the AC relay.
  • Page 11: Section 1: Disassembly

    KD-32XS945 SECTION 1: DISASSEMBLY 1-1. REAR COVER REMOVAL 4 Screws +BVTP 4 x 16 TYPE2 TT (B) Rear Cover 5 Screws 5 Screws +BVTP 4 x 16 +BVTP 4 x 16 TYPE2 TT (B) TYPE2 TT (B) 1-3. SERVICE POSITION 1-2.
  • Page 12: 1-4. Picture Tube Removal

    KD-32XS945 1-4. PICTURE TUBE REMOVAL WARNING: BEFORE REMOVING THE ANODE CAP High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, Coated discharge CRT before attempting to remove the anode cap. Short between anode and CRT...
  • Page 13: Cable Wire Dressing

    KD-32XS945 CABLE WIRE DRESSING NOTE: IF THE WIRE DRESSING IS NOT DONE PROPERLY, IT MAY CAUSE DISTORTION CHASSIS WIRE DRESSING DETAIL -1 x3 11mm purselock (p/n: 3-703-983-02) (NOTE positions of purselocks on main cable bundle.) CRITICAL POINT: Main cable bundle MUST be dressed as LOW as possible between cement resistor and heat sink.
  • Page 14 KD-32XS945 CHASSIS WIRE DRESSING DETAIL -3 HDMI gnd cable is dressed with Q-box cables CHASSIS WIRE DRESSING DETAIL -4 Connect HDMI gnd cable to HDMI shield cae KD-32XS945...
  • Page 15 KD-32XS945 CHASSIS WIRE DRESSING DETAIL -5 Add gasket to Antenna Switch next to Fpin cables Gasket will be between Ant switch and Q-box 1-900-805-24 gnd wire is dressed in wire clamp p/n 4-857-472-01 wire is dressed BEFORE securing position of Antenna Switch...
  • Page 16 KD-32XS945 CHASSIS WIRE DRESSING DETAIL -7 Note "Z" routing of USB cable (Important for EMI) Position of Ferrite core is important for EMI CHASSIS WIRE DRESSING DETAIL -8 CRITICAL POINT: 14P Conn. Assy. (P-shield to M-Bd, p/n: 1-900-808-41) MUST be dressed as far back in the chassis as possible.
  • Page 17 KD-32XS945 CHASSIS WIRE DRESSING DETAIL -9 TAB on AZ-Bd is slightly bent at 45degree angle (towards front of set) Double ground wire is dressed in H-Bracket clip. TAB on QH-Bd is bent 45degrees away from memory stick connector. Reason: If TAB is not bent over, wires may get snagged on DGC and break tab off PWB when inserting chassis into set.
  • Page 18 KD-32XS945 G2 WIRE ROUTING CAUTION POINT 1-900-808-42 REV-1 REAR VIEW 3/11/05 Dress wire in “L” Shape. U-Bracket O.K. CONDITION N.G CONDITION SIDE VIEW SIDE VIEW Wire Holder N.G! p/n: 4-065-850-11 Wire can touch Wire Holder Rear Cover!! p/n: 4-065-850-11 G2 Wire MUST be routed correctly so that the wire does NOT touch Rear Cover (Causes “Buzzing”...
  • Page 19: Side View

    KD-32XS945 G2 & FOCUS LEAD WIRE DRESSING CAUTION POINT [CH] [CX] CLP9003 CRT SOCKET CN9109 CN9003 CN9004 Push Wire Down CLP9002 HERE FOCUS LEAD Dress wires in Clamp on U-Bracket SIDE VIEW [CH] B-Side [WY] [CX] Push Wire Down FOCUS Lead HERE.

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