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Sony TRINITRON KV-XF21M83 Service Manual
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Sony TRINITRON KV-XF21M83 Service Manual

Sony TRINITRON KV-XF21M83 Service Manual

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SERVICE MANUAL

MODEL
COMMANDER DEST. CHASSIS NO.
KV-XF21M83
RM-952
KV-XF21M93
RM-952
MODEL
India
SCC-U22E-A
India
SCC-U22F-A
TRINITRON
Self Diagnosis
BG-3S
CHASSIS
COMMANDER DEST. CHASSIS NO.
COLOR TV
®
Supported model

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Summary of Contents for Sony TRINITRON KV-XF21M83

  • Page 1: Service Manual

    Self Diagnosis Supported model SERVICE MANUAL BG-3S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-XF21M83 RM-952 India SCC-U22E-A KV-XF21M93 RM-952 India SCC-U22F-A TRINITRON COLOR TV ®...
  • Page 2 CARBON PAINTED ON THE CRT, AFTER REMOVING THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE ANODE. THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...

  • Page 3: Table Of Contents

    KV-XF21M83/XF21M93 RM-952 TABLE OF CONTENTS Section Title Page Section Title Page SELF DIAGNOSIS FUNCTION 5. DIAGRAMS ........ 4 5-1. Block Diagram ............39 1. GENERAL ................ 8 5-2. Frame Schematic Diagram ........42 Circuit Boards Location .......... 45 2. DISASSEMBLY 5-4.

  • Page 4: Self Diagnosis Function

    KV-XF21M83/XF21M93 RM-952 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER lamp will automatically begin to flash. The number of times the lamp flashes translates to a probable source of the problem. A definition of the STANDBY/TIMER lamp flash indicators is listed in the instruction manual for the user’s knowledge and reference.
  • Page 5 KV-XF21M83/XF21M93 RM-952 DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT 2 times 5 times Lamp ON 0.3 sec. Lamp OFF 3 sec. Lamp OFF 0.3 sec. STANDBY/SLEEP lamp Diagnostic Item Flash Count* +B overcurrent/overvoltage 2 times Vertical deflection stopped White balance failure 5 times * One flash count is not used for self-diagnostic.
  • Page 6 KV-XF21M83/XF21M93 RM-952 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 occurances of failure for confirmation on the screen: [To Bring Up Screen Test]...
  • Page 7 KV-XF21M83/XF21M93 RM-952 SELF-DIAGNOSTIC CIRCUIT IC301 IC001 IC003 Y/CHROMA JUNGLE SYSTEM MEMORY FROM IK-IN IO-8DAT B-DAT FROM O-LED Q604 C5 PROTECT IO-SDAT Q509/507 Occurs when an overcurrent on the +B(135) line is detected by Q604. If Q604 go to ON and the voltage to pin 18 of IC301 should go down when V.SYNC is more than seven verticals in a period, the unit will automatically turn off.

  • Page 8: General

    KV-XF21M83/XF21M93 RM-952 – 8 –...
  • Page 9 KV-XF21M83/XF21M93 RM-952 Using Your New TV – 9 –...
  • Page 10 KV-XF21M83/XF21M93 RM-952 Using Your New TV – 10 –...
  • Page 11 KV-XF21M83/XF21M93 RM-952 Using Your New TV – 11 –...
  • Page 12 KV-XF21M83/XF21M93 RM-952 Using Your New TV – 12 –...
  • Page 13 KV-XF21M83/XF21M93 RM-952 – 13 –...
  • Page 14 KV-XF21M83/XF21M93 RM-952 Advanced Operations – 14 –...
  • Page 15 KV-XF21M83/XF21M93 RM-952 Advanced Operations – 15 –...
  • Page 16 KV-XF21M83/XF21M93 RM-952 Advanced Operations – 16 –...
  • Page 17 KV-XF21M83/XF21M93 RM-952 Additional Information – 17 –...
  • Page 18 KV-XF21M83/XF21M93 RM-952 – 18 –...
  • Page 19 KV-XF21M83/XF21M93 RM-952 – 19 –...
  • Page 20 KV-XF21M83/XF21M93 RM-952 – 20 –...
  • Page 21 KV-XF21M83/XF21M93 RM-952 – 21 –...

  • Page 22: Disassembly 2-1. 3D Speaker Box Removal

    KV-XF21M83/XF21M93 RM-952 – 22 –...

  • Page 23: Service Position

    KV-XF21M83/XF21M93 RM-952 – 23 –...

  • Page 24: H4 And K1 Boards Removal

    KV-XF21M83/XF21M93 RM-952 – 24 –...

  • Page 25: Picture Tube Removal

    KV-XF21M83/XF21M93 RM-952 – 25 –...

  • Page 26: Set-Up Adjustments

    KV-XF21M83/XF21M93 SECTION 3 RM-952 SET-UP ADJUSTMENTS The following adjustments should be made when a complete Perform the adjustments in the following order : realignment is required or a new picture tube is installed. 1. Beam Landing These adjustments should be performed with rated power 2.

  • Page 27: Convergence

    KV-XF21M83/XF21M93 RM-952 3-2. CONVERGENCE Preparation : Before starting this adjustment, adjust the focus, horizontal size V. STAT and vertical size. Minimize the brightness setting. Provide dot pattern. (1) Horizontal and Vertical Static Convergence Center dot H. STAT VR H. STAT VR V.STAT Magnet...
  • Page 28 KV-XF21M83/XF21M93 RM-952 Y separation axis correction magnet adjustment. Blue Neck assy Neck assy 1. Receive the cross-hatch signal and adjust [PICTURE] to [MIN] and [BRIGHTNESS] to [STANDARD] . 2. Adjust the Y separation axis correction magnet on the neck assembly so that the horizontal lines at the top and bottom of Blue the screen are straight.

  • Page 29: Focus Adjustment

    KV-XF21M83/XF21M93 RM-952 (3) Screen-corner Convergence 3-4. G2 (SCREEN) AND WHITE BALANCE ADJUSTMENTS 1. G2 (SCREEN) ADJUSTMENT 1) Set the PICTURE to normal. 2) Put to VIDEO input mode without signals. a-d : screen-corner 3) Connect R, G and B of the C5 board cathode to the oscillo- misconvergence scope.

  • Page 30: Circuit Adjustment

    KV-XF21M83/XF21M93 SECTION 4 RM-952 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-952 that comes with 1, 4 this unit. Select the adjustment item. a. ENTERING SERVICE MODE 3, 6 Raise/lower the data value. With the unit on standby Writes.

  • Page 31: Adjustment Method

    KV-XF21M83/XF21M93 RM-952 4-2. ADJUSTMENT METHOD Item Number 00 of device GEO Use the same method for all Items. Use 1 and 4 to select the This explanation uses H-Position as an example. 1. Select “GEO 00 HPS” with the 1 and 4 buttons.
  • Page 32 KV-XF21M83/XF21M93 RM-952 – 32 –...
  • Page 33 KV-XF21M83/XF21M93 RM-952 – 33 –...
  • Page 34 KV-XF21M83/XF21M93 RM-952 – 34 –...
  • Page 35 KV-XF21M83/XF21M93 RM-952 ITEM INFORMATION. No. OPB0 OP1 Item XTAL 4.43 XTAL 3.58 SECAM 2nd. Lang KV-XF21M83 KV-XF21M93 No. OPB1 OP2 NICAM HDEV Thai Bil Dis Fav DVD Input AV Input Item KV-XF21M83 KV-XF21M93 No. OPB2 OP3 Pic Rot 2199 Curve...

  • Page 36: Picture Quality Adjustments

    KV-XF21M83/XF21M93 RM-952 4-3. PICTURE QUALITY ADJUSTMENTS BELL FILTER ADJUSTMENT SUB COLOR ADJUSTMENT 1. Input SECAM color-bar signal. 2. Connect the dual-trace oscilloscope to the pin 9 (R-Y) of 1. Input a PAL color-bar. CN303 (not mounted). 2. Set to the following condition: 3.

  • Page 37: Picture Distortion Adjustment

    KV-XF21M83/XF21M93 RM-952 4-5. PICTURE DISTORTION ADJUSTMENT Item Number 00 – 0B GEO 0 HSH (H POSITION) GEO 1 HSZ (H SIZE) GEO 2 PAP (PIN AMP) GEO 3 TILT (TRAPEZIUM) GEO 4 VSH (V POSITION) GEO 5 VSZ (V SIZE)
  • Page 38 KV-XF21M83/XF21M93 RM-952 MEMO – 38 –...

  • Page 42: Frame Schematic Diagram

    KV-XF21M83/XF21M93 RM-952 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C574 1-107-636-11 ELECT 10MF 160V C910 1-126-967-11 ELECT...
  • Page 43 KV-XF21M83/XF21M93 RM-952 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK D506 8-719-911-19 DIODE 1SS119-25 <FERRITE BEAD> D507 8-719-988-61...
  • Page 44 SHORT CHIP Q002 8-729-230-49 TRANSISTOR 2SC2712-YG JR107 1-216-295-91 SHORT CHIP 0 (KV-XF21M93 ONLY) Q003 8-729-027-23 TRANSISTOR DTA114EKA-T146 JR109 1-216-295-91 SHORT CHIP 0 (KV-XF21M83 ONLY) Q004 8-729-900-53 TRANSISTOR DTC114EK Q101 8-729-230-49 TRANSISTOR 2SC2712-YG JR202 1-216-295-91 SHORT CHIP Q201 8-729-424-67 TRANSISTOR UN2216 JR301...

  • Page 45: Circuit Boards Location

    KV-XF21M83/XF21M93 RM-952 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R013 1-216-065-91 RES,CHIP 4.7K 1/10W R213 1-216-073-91 RES,CHIP...

  • Page 46: Schematic Diagrams And Printed Wiring Boards

    KV-XF21M83/XF21M93 RM-952 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R354 1-216-057-91 RES,CHIP 2.2K 1/10W R535 1-216-067-00 METAL CHIP 5.6K...
  • Page 47 R646 1-215-924-00 METAL OXIDE <TUNER> R647 1-249-401-11 CARBON 1/4W R648 1-216-057-91 RES,CHIP 2.2K 1/10W TU101 8-598-449-00 TUNER, FSS BTF-LG433 (KV-XF21M83) R649 1-220-958-91 REGISTER TU101 8-598-451-00 TUNER, FSS BTF-WG441 (KV-XF21M93) R650 1-215-882-00 METAL OXIDE <CRYSTAL> R652 1-215-900-11 METAL OXIDE R653 1-215-873-00 METAL OXIDE 4.7K...
  • Page 48 KV-XF21M83/XF21M93 RM-952 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C736 1-102-114-00 CERAMIC 470PF Q707 8-729-200-17 TRANSISTOR 2SA1091-O...

  • Page 49: Schematic Diagram Of A (1/2) Board

    KV-XF21M83/XF21M93 RM-952 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <VARIABLE RESISTOR> <JACK> RV702 1-241-656-21 RES, ADJ, METAL FILM 110M...
  • Page 50 KV-XF21M83/XF21M93 RM-952 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <CONNECTOR> * A-1342-488-A MOUNTED PWB, VM1 ********************* CN4201* 1-564-510-11...
  • Page 51 METAL CHIP 1/2W REMOTE COMMANDER ********************** *********************************************************************** 1-418-163-11 REMOTE COMMANDER (RM-952) 9-939-697-01 BATTERY COVER, REMOTE COMMANDER Sony Corporation English 99DA70034-1 SONY TV Industries (M) Sdn. Bhd. Printed in Malaysia 9-965-736-01 TV Business of General Area 1999. 4 – 82 –...

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