SERVICE MANUAL BG-3R CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-XA21M30 RM-952 OCE SCC-U44C-A KV-XA21M63 RM-952 Thailand SCC-U49G-A KV-XA21N90 RM-915 Taiwan SCC-U54B-A MUTING DISPLAY POWER VIDEO JUMP -/-- JUMP SOUND MODE SOUND PROGR MODE FAVORITE WAKE UP...
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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 –...
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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. – 3 –...
KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 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.
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KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 2. DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT Diagnostic Item Flash Count* 2 times +B overcurrent/overvoltage 2 times Vertical deflection stopped 3 times White balance failure 5 times Lamp ON 0.3 sec. * One flash count is not used for self-diagnostic.
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KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 5. HANDLING OF SELF-DIAGNOSTIC SCREEN DISPLAY Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen during repairs. When you have completed the repairs, clear the result display to “0”.
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POWER PIC MODE SLEEP AUTO ADD/ CABLE PROGRAM ERASE CABLE: ON POWER VIDEO 2 INPUT STANDBY/ STEREO/ VIDEO L ( MONO ) AUDIO SELECT AUTO PROGR VIDEO INPUT VOLUME CHANNEL WAKE UP L(MONO) SELECT AUTO PROGR PROGR AUTO AUTO PROGR PROGR AUTO PROGRAM...
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POWER VIDEO 2 INPUT STANDBY/ STEREO/ VIDEO L ( MONO ) AUDIO SELECT PROGR AUTO VIDEO INPUT VOLUME CHANNEL WAKE UP VIDEO 2 INPUT VIDEO L ( MONO ) AUDIO WOOFER (8 ) –...
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JUMP SOUND PROGR MODE L(MONO) SELECT AUTO PROGR PROGR FAVORITE AUTO PROGR...
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MUTING DISPLAY POWER VIDEO JUMP SOUND MODE FAVORITE JUMP WAKE UP SELECT SOUND MODE PIC MODE SLEEP FAVORITE AUTO ADD/ CABLE PROGRAM ERASE SELECT WAKE UP POWER PIC MODE SLEEP POWER AUTO ADD/ VIDEO 2 INPUT STANDBY/ STEREO/ VIDEO L ( MONO ) AUDIO SELECT AUTO PROGR...
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JUMP SOUND PROGR MODE L(MONO) SELECT AUTO PROGR PROGR FAVORITE SELECT AUTO PROGR PROGR...
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MUTING DISPLAY POWER VIDEO JUMP SOUND MODE POWER FAVORITE WAKE UP SELECT POWER STANDBY/ VIDEO 2 INPUT STEREO/ VIDEO L ( MONO ) AUDIO SELECT AUTO PROGR VIDEO INPUT VOLUME CHANNEL WAKE UP SLEEP PIC MODE AUTO ADD/ CABLE PROGRAM ERASE SELECT AUTO...
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SOUND MODE FAVORITE SELECT WAKE UP JUMP PIC MODE SLEEP SOUND PROGR MODE AUTO ADD/ CABLE PROGRAM ERASE FAVORITE...
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JUMP SOUND MODE FAVORITE JUMP WAKE UP SELECT SOUND PROGR MODE SLEEP PIC MODE FAVORITE...
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SOUND PROGR MODE L(MONO) SELECT AUTO PROGR PROGR...
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MUTING DISPLAY POWER VIDEO JUMP SOUND MODE FAVORITE WAKE UP SELECT SLEEP PIC MODE POWER STANDBY/ VIDEO 2 INPUT STEREO/ VIDEO L ( MONO ) AUDIO SELECT PROGR AUTO VIDEO INPUT VOLUME CHANNEL WAKE UP SELECT AUTO L(MONO) PROGR PROGR...
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L(MONO) SELECT AUTO PROGR PROGR L(MONO) FAVORITE...
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JUMP L(MONO) SELECT AUTO VIDEO INPUT VOLUME PROGR PROGR FAVORITE SELECT WAKE UP PIC MODE AUTO ADD/ PROGRAM ERASE...
KV-XA21M30/XA21M63 RM-952 SECTION 3 KV-XA21N90 SET-UP ADJUSTMENTS RM-915 • 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 •...
KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 3-2. CONVERGENCE ADJUSMENT Preparation : • Before starting this adjustment, adjust the focus, horizontal size and vertical size. • Receive dot/hatch signal. • Purity Pic mode: Personal (Pic 90%, Brightness 50%, Col 50 %, Hue 50%, Shp 50%).
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KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 YCH Rotate YCH VOL on DY BMC (Hexapole) Magnet. If the red, green and blue dots are not balanced or aligned, then Insert Correction Plate to DY Pocket (Left or use the BMC magnet to adjust in the manner described below.
KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 3-4. G2 (SCREEN) AND WHITE BALANCE Fix a Permalloy assy corresponding to the misconverged areas. ADJUSTMENTS 1. G2 (SCREEN) ADJUSTMENT 1) Set the PICTURE to normal. 2) Put to VIDEO input mode without signals. 3) Connect R, G and B of the C1 board cathode to the oscilloscope.
KV-XA21M30/XA21M63 RM-952 KV-XA21N90 SECTION 4 RM-915 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENTS WITH COMMANDER 4-2. ADJUSTMENT METHOD Service adjustments to this model can be performed using the sup- Item Number 00 of device GEO plied Remote Commander RM-915 and RM-952 This explanation uses H-Position as an example.
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KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 ITEM INFORMATION No. OPB0 OP1 Item XTAL 4.43 XTAL 3.58 SECAM 2nd. Lang KV-XA21M30 KV-XA21M63 KV-XA21N90 No. OPB1 OP2 AV Input Item NICAM HDEV Thai Bil Dis Fav. DVD Input KV-XA21M30 KV-XA21M63 KV-XA21N90 AV Input 00 = no AV Input...
KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 4-3. PICTURE QUALITY ADJUSTMENTS 4-4. DEFLECTION ADJUSTMENT NORMAL MODE (50Hz) SUB COLOR ADJUSTMENT Set to Service Mode. 1. Select Video. Using the 1 and 4 button, select category GEO (Service 2. Input a PAL color-bar. Mode).
KV-XA21M30/XA21M63 KV-XA21M30/XA21M63 RM-952 RM-952 KV-XA21N90 KV-XA21N90 RM-915 RM-915 5-2. CIRCUIT BOARDS LOCATION 5-3. SCHEMATIC DIAGRAM Note: • All capacitors are in µF unless otherwise noted. • All electrolytic capacitors are rated at 50V unless otherwise noted. • All resistors are in ohms.
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KV-XA21M30/XA21M63 KV-XA21M30/XA21M63 RM-952 RM-952 KV-XA21N90 KV-XA21N90 (1) Schematic Diagrams of F, J3 and C1 Boards RM-915 RM-915 CN4601 (FRONT AV IN,SENSOR, POWER SW) JW4603 F4601 T3.15A T4601 AC IN AC OUT JW4604 T.L.F T4602 R4601 AC IN AC OUT T.L.F...
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KV-XA21M30/XA21M63 KV-XA21M30/XA21M63 RM-952 RM-952 KV-XA21N90 KV-XA21N90 (3) Schematic Diagram of K2 and H4 Boards RM-915 RM-915 (KV-XA21M63 only) TO A BOARD TO K2 BOARD TO SP CN901 CN4204 CN4901 CN4902 CN4903 :S-MICRO :S-MICRO :S-MICRO J4901 HEADPHONE PANEL – 67 –...
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KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 A Board ✼ Mark List A Board ✼ Mark List KV-XA21M30 KV-XA21M63 KV-XA21N90 KV-XA21M30 KV-XA21M63 KV-XA21N90 C003 100P :CHIP 100 :CHIP IC201 TA8223K TA8248K TA8223K C101 IC901 SBX1981-51(21) UPD6124G-212 SBX1981-51(21) C106 0.047P :CHIP J901 Jack Jack C202 0.015P :CHIP...
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KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 A Board ✼ Mark List F Board ✼ Mark List KV-XA21M30 KV-XA21M63 KV-XA21N90 KV-XA21M30 KV-XA21M63 KV-XA21N90 R656 1.0K VDR461 TNR14V271K660 RY600 Relay Ac Power Note: The parts indicated as "#" in this circuit diagram are not listed...
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KV-XA21M30/XA21M63 RM-952 KV-XA21N90 RM-915 5-4. VOLTAGE LIST MEASUREMENT A (1/2) BOARD VOLTAGE LIST Pin No Voltage[v] Pin No. Voltage[v] Pin No. Voltage[v] IC001 IC003 4.5 <4.0> 0.5 <0.3> IC100 IC201 19.6 10.4 20.0 10.5 19.6 2.0 <2.7> 3.0 <3.5> 20.0 10.3...
KV-XA21M30/XA21M63 KV-XA21M30/XA21M63 RM-952 RM-952 KV-XA21N90 KV-XA21N90 RM-915 RM-915 5-6. PRINTED WIRING BOARDS AND PARTS LOCATION NOTE: PRINTING WIRING BOARD The circuit indicated at left contains high voltage of over 1220 Vp-p. Please pay attention when inspecting or re- [SYSTEM CONTROLLER, Y/C JUNGLE, pairing it to prevent an electric shock.
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PRINTING WIRING BOARD [AUDIO PROCESSOR, AUDIO AMP, SUB TUNER, AV IN/OUT, VM DRIVER] [FRONT AV IN, SENSOR, POWER SW] – C1 Board – (KV-XA21M30/XA21N90) – C1 Board – (KV-XA21M63 only) – F Board – (KV-XA21M30/XA21N90) – F Board – (KV-XA21M63 only) –...
REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK * A-1299-453-A A BOARD COMPLETE (KV-XA21M30) C054 1-163-251-11 CERAMIC CHIP 100PF 5.00% 50V * A-1299-472-A A BOARD COMPLETE (KV-XA21M63) C055 1-163-251-11...
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KV-XA21M30/XA21M63 RM-952 The components identified by shading KV-XA21N90 and mark ! are critical for safety. RM-915 Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C210 1-126-933-11 ELECT 100UF 20.00%16V C319...
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KV-XA21M30/XA21M63 RM-952 The components identified by shading KV-XA21N90 and mark ! are critical for safety. RM-915 Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R230 1-216-073-00 RES-CHIP 1/10W R363 1-216-079-00...
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1-216-097-11 RES-CHIP 100K 1/10W R636 1-215-924-00 METAL OXIDE R580 1-208-830-11 METAL CHIP 100K 0.5% 1/10W R637 1-216-492-11 METAL OXIDE (KV-XA21M30/XA21M63 ONLY) R581 1-208-794-11 METAL CHIP 3.3K 0.5% 1/10W R639 1-216-363-00 METAL OXIDE 0.33 R582 1-208-846-11 METAL CHIP 470K 0.5% 1/10W...
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