Sony Trinitron KV-G21MW3 Service Manual
  1. Manuals
  2. Brands
  3. Sony Manuals
  4. TV
  5. Trinitron KV-G21MW3
  6. Service manual
Sony Trinitron KV-G21MW3 Service Manual

Sony Trinitron KV-G21MW3 Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

SERVICE MANUAL

MODEL
KV-G21MW3
KV-G21QW3
http://cxema.ru
COMMANDER DEST.
CHASSIS NO.
RM-869 ME
SCC-U07U-A
RM-869 ME
SCC-U07T-A
BG-2S
MODEL
COMMANDER DEST.
TRINITRON
CHASSIS
CHASSIS NO.
COLOR TV
®

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Trinitron KV-G21MW3 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Sony Trinitron KV-G21MW3

Summary of Contents for Sony Trinitron KV-G21MW3

  • Page 1: Service Manual

    SERVICE MANUAL BG-2S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-G21MW3 RM-869 ME SCC-U07U-A KV-G21QW3 RM-869 ME SCC-U07T-A TRINITRON COLOR TV ® http://cxema.ru...

  • Page 2: Specifications

    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-G21MW3/G21QW3 RM-869 TABLE OF CONTENTS Section Title Page Section Title Page 5. DIAGRAMS SELF DIAGNOSIS FUNCTION ........5-1. Block Diagram ............1. GENERAL ..............5-2. Circuit Boards Location ........5-3. Schematic Diagrams and Printed Wiring Boards 2. DISASSEMBLY (1) Schematic Diagram of A Board ......2-1.

  • Page 4: Self Diagnosis Function

    KV-G21MW3/G21QW3 RM-869 SELF DIAGNOSIS FUNCTION If no acknowledgement is returned from a device which is turned "ON", the device has a problem. In this case, one of the LED's responding to the problem device will flicker a defined number of times. Flickering is operated by lighting the LED's for 60ss each time.
  • Page 5 KV-G21MW3/G21QW3 RM-869 – 5 – http://cxema.ru...
  • Page 6 KV-G21MW3/G21QW3 RM-869 – 6 – http://cxema.ru...
  • Page 7 KV-G21MW3/G21QW3 RM-869 – 7 – http://cxema.ru...
  • Page 8 KV-G21MW3/G21QW3 RM-869 – 8 – http://cxema.ru...
  • Page 9 KV-G21MW3/G21QW3 RM-869 – 9 – http://cxema.ru...

  • Page 10: Disassembly 2-1. Rear Cover Removal

    KV-G21MW3/G21QW3 RM-869 – 10 – http://cxema.ru...

  • Page 11: Replacement Of Parts

    KV-G21MW3/G21QW3 RM-869 – 11 – http://cxema.ru...

  • Page 12: Picture Tube Removal

    KV-G21MW3/G21QW3 RM-869 – 12 – http://cxema.ru...

  • Page 13: Set-Up Adjustments

    KV-G21MW3/G21QW3 RM-869 SECTION 3 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 14: Convergence

    KV-G21MW3/G21QW3 RM-869 • 3-2. CONVERGENCE Operation of V.STAT magnet. If the V.STAT magnet is moved in the direction of the a and Preparation : b arrows, the red, green and blue dots move as shown below. • Before starting this adjustment, adjust the focus, horizontal size, and vertical size.

  • Page 15: Focus Adjustment

    KV-G21MW3/G21QW3 RM-869 (2) Dynamic Convergence Adjustment Preparation : • Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence. 1. Slightly loosen the deflection yoke screws. 2. Remove the deflection yoke spacer. 3. Move the deflection yoke as shown in the figure below and optimize the convergence.

  • Page 16: Remote Commander Adjustment

    KV-G21MW3/G21QW3 RM-869 3-4. REMOTE COMMANDER ADJUSTMENT 3-5. G2 (SCREEN) AND WHITE BALANCE a. AN ITEM OF ADJUSTMENT ADJUSTMENTS 1. G2 (SCREEN) ADJUSTMENT (RV701) Item Adjustment Initial DATA Note 1) Set the PICTURE and BRIGHTNESS to normal. number Item 2) Put to VIDEO input mode without signals. WHITE POINT R 3) Connect R, G and B of the C board cathode to the oscilloscope.

  • Page 17: Circuit Adjustments

    KV-G21MW3/G21QW3 RM-869 SECTION 4 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-869 that comes with 1, 4 this unit. Raise/lower the service item number 3, 6 Raise/lower the data [MUTING] Writes Entering service mode Executes the writing With the unit on standby ↓...

  • Page 18: Adjustment Method

    KV-G21MW3/G21QW3 RM-869 4-2. ADJUSTMENT METHOD Item Number 08 Use the same method for Items Number 00-40. Use 1 and 4 to This explanation uses V-SHIFT as an example. select the adjustment item, use 3 and 6 to adjust, write with 1.
  • Page 19 KV-G21MW3/G21QW3 RM-869 Adjustment Item Table Data Range Item Initial Function Note for Different Data Device/Category Register (OSD) Max. Min. Data (Slave Address) No. (bit) H Shift [2C/33/31/38] 50/60Hz/RGB50/RGB60 TDA8375(8A) 03 (5-0) HSize [35/35/35/35] 50/60Hz/RGB50/RGB60 04 (5-0) Pin Amplitude [25/25] 50/60Hz 05 (5-0) Corner Pin [10/0C] 50/60Hz...
  • Page 20 KV-G21MW3/G21QW3 RM-869 Adjustment Item Table Data Range Item Initial Function Note for Different Data Device/Category Register (OSD) Max. Min. Data (Slave Address) No. (bit) Picture Data at Blanking OFF Other Control Power ON Delay RGB Output Time (STBY OFF) RGB Output Time (AC OFF) OSD H Position D/K Stereo enable/disable Muting on/off at No Sync...
  • Page 21 KV-G21MW3/G21QW3 RM-869 NOTE • Note for Different Data Those are the standard data values written on the microprocessor. Therefore, the data values of the modes are stored respectively in the memory. In case of a device replacement, adjustment by rewriting the data value is necessary for some items.
  • Page 22 KV-G21MW3/G21QW3 RM-869 Operation Guide How to set up new NVM (or initialize already written one) (1) AC On (2) Enter Service Mode – describing below how to enter (3) Push the commander button “5” and “0” sequentially (only set initial data into RAM, but not write them into NVM yet) (4) Push the commander button “2”...

  • Page 23: A Board Adjustment After Ic003 (Memory) Replacement

    KV-G21MW3/G21QW3 RM-869 4-3. A BOARD ADJUSTMENT AFTER IC003 4-4. PICTURE DISTORTION ADJUSTMENT (MEMORY) REPLACEMENT Item Number 00 – 08 HSF (H SHIFT) 1. Enter to Service Mode. 2. Press commander buttons 5 and - (Data Initialize), and 2 and - (Data Copy) to initialize the data. HSZ (H SIZE) 3.
  • Page 24 http://cxema.ru...

  • Page 25: 5. Diagrams 5-1. Block Diagram

    http://cxema.ru...
  • Page 26 SSCP/FBT http://cxema.ru...
  • Page 27 http://cxema.ru...

  • Page 28: Circuit Boards Location

    http://cxema.ru...
  • Page 29 http://cxema.ru...
  • Page 30 KV-G21MW3/G21QW3 RM-869 SECTION 7 The components identified by shading and mark ! are critical for safety. ELECTRICAL PARTS LIST Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK NOTE: • Items marked " ∗ " are not stocked since they •...
  • Page 31 KV-G21MW3/G21QW3 RM-869 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 C241 1-126-942-61 ELECT 1000UF 20.00%25V C358 1-164-004-11 CERAMIC CHIP 0.1UF 10.00%25V C242...
  • Page 32 KV-G21MW3/G21QW3 RM-869 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 C614 1-126-943-11 ELECT 2200UF 20.00%25V C1221 1-164-005-11 CERAMIC CHIP 0.47UF C616 1-102-228-00...

  • Page 33: Schematic Diagrams And Printed Wiring Boards 28 (1) Schematic Diagram Of A Board

    KV-G21MW3/G21QW3 RM-869 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 D399 8-719-056-86 DIODE DTZ9.1 IC354 8-759-430-79 IC TDA8395T D401 8-719-421-40 DIODE MA77-TX (KV-G21MW3)
  • Page 34 KV-G21MW3/G21QW3 RM-869 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 <TRANSISTOR> R014 1-216-049-91 RES-CHIP 1/10W (KV-G21MW3) Q030 8-729-422-26 TRANSISTOR 2SD601A-Q R015 1-216-043-91...
  • Page 35 KV-G21MW3/G21QW3 RM-869 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 R245 1-216-069-00 RES-CHIP 6.8K 1/10W R403 1-216-021-00 RES-CHIP 1/10W R246 1-216-069-00...
  • Page 36 KV-G21MW3/G21QW3 RM-869 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 R564 1-216-091-00 RES-CHIP 1/10W R882 1-216-059-00 RES-CHIP 2.7K 1/10W R565 1-216-091-00...

  • Page 37: Schematic Diagram Of C Board

    KV-G21MW3/G21QW3 RM-869 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 S902 1-571-532-21 SWITCH, TACTIL C737 1-102-114-00 CERAMIC 470PF 10.00%50V S903 1-571-532-21...
  • Page 38 KV-G21MW3/G21QW3 RM-869 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 R723 1-215-479-00 METAL 270K 1/4W 1-501-372-81 ANTENNA, TELESCOPIC ! 8-451-280-33 R724 1-249-923-11...
  • Page 39 Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK Sony Corporation English 2000DS70176-1 Sony Technology Malaysia Sdn. Bhd. Printed in Malaysia  9-872-206-01 TV Business of General Area 2000. 4 – 54 – http://cxema.ru...

This manual is also suitable for:

Trinitron kv-g21qw3

Table of Contents