Related Manuals for Sony KV-G21M2
Summary of Contents for Sony KV-G21M2
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Page 1: Service Manual
SERVICE MANUAL BG-2S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-G21M2 RM-869 Russia SCC-U11B-A TRINITRON COLOR TV ®... -
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-G21M2 RM-869 TABLE OF CONTENTS Section Title Page Section Title Page 1. GENERAL 6. DIAGRAMS ..............6-1. Block Diagram ............2. DISASSEMBLY 6-2. Circuit Boards Location ........2-1. Rear Cover Removal ..........6-3. Schematic Diagrams and Printed Wiring Boards . -
Page 4: General
SECTION 1 The operating instructions mentioned here are partial abstracts from the Operating Instructions Manual. The page numbers of the Operating GENERAL Instruction Manual remain as in this manual. TV/VIDEO – VOLUME + SELECT – PROGR + Ú SELECT – PROGR +... - Page 5 Getting Started Connections Connecting optional equipment You can connect optional audio/video equipment to your TV such as a VCR, multi disc player, camcorder, or video game. … Connecting video equipment using the (video input) jack Front of TV … Camcorder ≥...
- Page 6 If the picture color is poor and/or the sound is Press +/– on the remote commander or Press PROGR +/– or number buttons on the Presetting channels noisy +/– on the TV again. remote commander or PROGR +/– on the TV Select the appropriate TV system as follows: until the required program position Press SELECT on the remote commander or the TV...
- Page 7 Operations • If no buttons or controls are pressed for more than two hours Watching the TV Turning off the TV Displaying on-screen information after the TV is turned on using the Wake Up Timer, the TV automatically turns into standby mode. If you want to To turn off the TV temporarily continue watching the TV, press any button or control on the Press...
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Page 8: Adjusting The Picture
Additional Information No picture Each time you press SELECT, the screen changes as Adjusting the Troubleshooting No sound follows: picture PICTURE COLOR BRIGHT / Press (Operative for / Check the antenna connection. NTSC signal only) / Check the VCR connections. / Check the power cord connection. -
Page 9: Disassembly
SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-3. F1 BOARD REMOVAL F1 board Four screws (BVTP 4×16) 2 Two screws (BVTP 4×16) 2-4. SERVICE POSITION 2-2. A BOARD REMOVAL A board Lever Lever A board... -
Page 10: Replacement Of Parts
2-5. REPLACEMENT OF PARTS 2-6. TERMINAL BOARD BRACKET REMOVAL For replacement of the Multi Button and Light Guide, cut the welded portions Terminal board bracket from them, exchange with the new parts, and fix them with screws (+BVTP) respectively. Terminal board bracket 2-5-1. -
Page 11: Picture Tube Removal
2-8. PICTURE TUBE REMOVAL 3 F1 board 4 C board 5 Deflection yoke 2 A board 2 Using a thumb press down, then pull up the rubber cap firmly in the direction indicated by the arrow b. 6 Four screws (Tapping screws) 1 Anode cap Anode button... -
Page 12: Set-Up Adjustments
KV-G21M2 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 13: Convergence
KV-G21M2 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 14: Focus Adjustment
KV-G21M2 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 15: G2 (Screen) And White Balance Adjustments
KV-G21M2 RM-869 a. AN ITEM OF ADJUSTMENT 3-4. G2 (SCREEN) AND WHITE BALANCE Item Adjustment Initial DATA Note number Item ADJUSTMENTS WHITE POINT R 1. G2 (SCREEN) ADJUSTMENT (RV701) WHITE POINT G 1) Set the PICTURE and BRIGHTNESS to normal. -
Page 16: Self Diagnosis Function
KV-G21M2 RM-869 SECTION 4 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. -
Page 17: Circuit Adjustments
KV-G21M2 RM-869 SECTION 5 CIRCUIT ADJUSTMENTS 5-1. 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-G21M2 RM-869 5-2. 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-G21M2 RM-869 Adjustment Item Table Data Initial Item Adj. Note for Different Data Function Device Range Data Item 00–3F 50: 2C 60: 33 H Shift TDA8375 00–3F 50: 35 60: 35 H Size TDA8375 00–3F 50: 25 60: 25 Pin Amplitude TDA8375 00–3F...
- Page 20 KV-G21M2 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.
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Page 21: A Board Adjustment After Ic003 (Memory) Replacement
KV-G21M2 RM-869 5-3. A BOARD ADJUSTMENT AFTER IC003 5-4. 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. - Page 22 KV-G21M2 RM-869 MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
- Page 23 KV-G21M2 KV-G21M2 RM-869 RM-869 SECTION 7 EXPLODED VIEW NOTE: REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK • • Items marked " ∗ " are not stocked since Items with no part number and no The components identified by...
- Page 24 KV-G21M2 KV-G21M2 RM-869 RM-869 SECTION 8 ELECTRICAL PARTS LIST NOTE: REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK • Items marked " ∗ " are not stocked since RESISTORS • All resistors are in ohms they are seldom required for routine service.
- Page 25 KV-G21M2 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 C606 1-161-830-00 CERAMIC 0.0047MF 500V C1201 1-104-665-11 ELECT 100MF C607...
- Page 26 KV-G21M2 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 D253 8-719-041-97 DIODE MA113-(TX) <IC> D300 8-719-041-97 DIODE MA113-(TX) D301...
- Page 27 KV-G21M2 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 L409 1-410-501-11 INDUCTOR 2.2UH Q418 8-729-424-67 TRANSISTOR UN2216 (F35430106/F35430196) L410...
- Page 28 KV-G21M2 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 R035 1-216-049-91 RES,CHIP 1/10W R306 1-216-025-91 RES,CHIP 1/10W R036 1-216-049-91...
- Page 29 KV-G21M2 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 R428 1-216-081-00 RES,CHIP 1/10W R812 1-216-075-00 RES,CHIP 1/10W R429 1-216-031-00...
- Page 30 KV-G21M2 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 R1232 1-216-063-91 RES,CHIP 3.9K 1/10W <TUNER> R1233 1-216-057-00 RES,CHIP 2.2K...
- Page 31 KV-G21M2 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 D711 8-719-911-19 DIODE 1SS119-25 R757 1-249-418-11 CARBON 1.2K 1/4W D712...
- Page 32 KV-G21M2 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 MISCELLANEOUS * 4-063-806-01 CUSHION (LEFT LOWER) ***************** 4-392-003-11 BAND, HOLD...