SERVICE MANUAL BG-3R CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-XA25M80 RM-954 Vietnam SCC-U56C-A KV-XA25M83 RM-954 Vietnam SCC-U56E-A KV-XA25N90 RM-914 Philippines SCC-U51B-A MUTING DISPLAY POWER VIDEO -/-- SOUND SOUND MODE SURROUND FAVORITE MODE SURROUND FAVORITE PIC MODE...
Page 2
OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. ANODE. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...
Page 3
OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. ANODE. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 3 –...
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the STANBY/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 STANBY/ TIMER lamp flash indicators is listed in the instruction manual for the user’s knowledge and reference.
Page 6
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 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.
Page 7
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 5. HANDLINGOF 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”. Unless the result display is cleared to “0”, the self-diagnostic function will not be able to detect subsequent faults after completion of the repairs.
Page 9
L(MONO) ENTER SELECT AUTO MENU PROGR PROGR AUDIO VIDEO VIDEO IN VIDEO OUT...
Page 10
L(MONO) ENTER SELECT MENU AUTO PROGR PROGR WOOFER (8Ω) L(MONO)
Page 11
LINE OUT R-AUDIO-L VIDEO L(MONO) COMPONENT VIDEO OUT S VIDEO OUT LINE OUT R-AUDIO-L VIDEO...
Page 12
SOUND MODE SURROUND FAVORITE PIC MODE MENU L(MONO) ENTER SELECT MENU AUTO PROGR PROGR ENTER ENTER SELECT AUTO MENU PROGR PROGR...
Page 13
SOUND MODE SURROUND FAVORITE PIC MODE MENU ENTER...
Page 14
SOUND MODE SURROUND FAVORITE PIC MODE MENU ENTER SOUND MODE SURROUND FAVORITE PIC MODE MENU ENTER...
Page 15
SOUND MODE SURROUND FAVORITE PIC MODE MENU ENTER ENTER SELECT...
Page 16
SOUND MODE SURROUND FAVORITE PIC MODE MENU ENTER...
Page 17
SOUND MODE SURROUND FAVORITE PIC MODE MENU ENTER...
Page 18
SOUND MODE SURROUND FAVORITE PIC MODE MENU ENTER...
Page 19
SOUND MODE SURROUND FAVORITE PIC MODE MENU ENTER...
Page 20
L(MONO) ENTER SELECT MENU AUTO PROGR PROGR...
Page 22
L(MONO) ENTER SELECT AUTO MENU PROGR PROGR L (MONO) ENTER SELECT AUTO MENU PROGR PROGR...
Page 23
SOUND MODE SURROUND FAVORITE PIC MODE MENU ENTER...
Page 25
COMPONENT VIDEO(DVD) IN SLEEP CABLE VIDEO MONITOR AUTO PROGRAM AUDIO VIDEO VIDEO S VIDEO VIDEO IN AUDIO VIDEO OUT...
Page 26
COMPONENT VIDEO(DVD) IN VIDEO MONITOR LINE OUT ➽x➥➲➪ë➛L R-AUDIO-L VIDEO VIDEO S VIDEO L (MONO) AUDIO L(MONO) ENTER SELECT MENU AUTO PROGR PROGR S VIDEO VIDEO (MONO) AUDIO VIDEO 3 INPUT COMPONENT VIDEO(DVD) IN MONITOR VIDEO VIDEO S VIDEO AUDIO...
Page 27
COMPONENT VIDEO(DVD) IN COMPONENT VIDEO OUT S VIDEO OUT LINE OUT R-AUDIO-L VIDEO...
Page 28
MUTING DISPLAY POWER VIDEO SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN SLEEP CABLE AUTO PROGRAM ADD/ ERASE SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN SLEEP POWER L(MONO) RETURN SELECT AUTO MENU PROGR TV/IDEO VOLUME CHANNEL CABLE AUTO...
Page 30
SOUND MODE SURROUND FAVORITE MUTING DISPLAY POWER PIC MODE MENU WAKE UP RETURN VIDEO SLEEP CABLE AUTO PROGRAM ADD/ ERASE SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN SLEEP CABLE AUTO PROGRAM ADD/ ERASE...
Page 31
SOUND MODE SURROUND FAVORITE MUTING DISPLAY POWER PIC MODE MENU WAKE UP RETURN VIDEO SLEEP CABLE AUTO PROGRAM ADD/ ERASE SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN SLEEP CABLE AUTO POWER L(MONO) PROGRAM RETURN SELECT MENU AUTO PROGR TV/IDEO VOLUME...
Page 32
SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN SLEEP RETURN SELECT...
Page 33
SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN SLEEP CABLE AUTO PROGRAM...
Page 34
SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN SLEEP CABLE AUTO PROGRAM...
Page 35
SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN...
Page 36
SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN POWER S VIDEO VIDEO (MONO) AUDIO RETURN SELECT VIDEO 3 INPUT AUTO MENU PROGR TV/VIDEO VOLUME CHANNEL POWER...
Page 38
POWER S VIDEO VIDEO (MONO) AUDIO RETURN SELECT VIDEO 3 INPUT AUTO MENU PROGR TV/VIDEO VOLUME CHANNEL S VIDEO VIDEO (MONO) AUDIO RETURN SELECT AUTO VIDEO 3 INPUT MENU PROGR TV/VIDEO VOLUME CHANNEL...
Page 39
MUTING DISPLAY POWER VIDEO SOUND MODE SURROUND FAVORITE PIC MODE MENU WAKE UP RETURN SLEEP CABLE AUTO PROGRAM ADD/ ERASE...
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 SECTION 3 ADVANCE OPERATION 3-1. "RESET" FUNCTION 1. Purpose If a customer faces some setting problem that cannot be solved, using the "RESET" function some items will be reset to its original setting (shipment condition) 2. How to Operate The way to access to the "RESET"...
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 SECTION 4 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.
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 1 V. STAT 4-2. CONVERGENCE Preparation : • Before starting this adjustment, adjust the focus, horizontal size and vertical size. • Receive dot/hatch signal. • Pic mode: Personal (Pic 90%, Brightness 50%, Col 50 %, Hue 50%, Shp 50%).
Page 46
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 5 Y separation axis correction magnet adjustment. Blue 1. Receive the cross-hatch signal and adjust [PICTURE] to Neck assy Neck assy [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 the screen are straight.
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 4-3. FOCUS ADJUSTMENT Rotate TLV-2 VOL (29”, 34”) on DY Rotate TLV VOL (25”) on DY FOCUS adjustment should be completed before W/B adjustment. XCV Rotate XCV Adj core on DY YCH Rotate YCH VOL on DY 1.
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 4-4. G2 (SCREEN) AND WHITE BALANCE 2. WHITE BALANCE ADJUSTMENT ADJUSTMENT 1) Set to Service Mode (Refer Section 5-1: ADJUSTMENTS WITH COMMANDER). 1. G2 (SCREEN) ADJUSTMENT 2) Input white raster signal. 1) Set the PICTURE to normal.
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 SECTION 5 CIRCUIT ADJUSTMENTS 5-1. ADJUSTMENT WITH COMMANDER 5-2. ADJUSTMENT METHOD Service adjustments to this model can be performed using the Item Number 00 of device GEO supplied Remote Commander RM-914 and RM-954 This explanation uses H-Position as an example.
Page 54
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 ITEM INFORMATION No. OPB0 OP1 XTAL 4.43 XTAL 3.58 SECAM 2nd. Lang Item KV-XA25M80 KV-XA25M83 KV-XA25N90 APPLICABLE FOR XF-L (14" AND 21") MODELS ONLY No. OPB1 OP2 Item AV Input NICAM HDEV Thai Bil Dis Fav. DVD Input...
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 5-3. PICTURE QUALITY ADJUSTMENTS 5-4. DEFLECTION ADJUSTMENT NORMAL MODE (50Hz) SUB COLOR ADJUSTMENT 1. Set to Service Mode. 1. Select Video. 2. Using the [1] and [4] button, select category GEO (Service 2. Input a PAL color-bar.
KV-XA25M80/XA25M83/XA25N90 KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 RM-954 RM-914 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM DBFB AUDIO OUT 3D BOX ASSY (KV-XA25M83 ONLY) Q6202 IC6201 Front AV IN, TDA7481 Sensor, MAIN.TUVF Power Switch) with AV SW TV.V In L1 out DBFB AUDIO OUT...
KV-XA25M80/XA25M83/XA25N90 KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 RM-954 RM-914 (1) Schematic Diagram of H Board CN3901 :S-MICRO SPEAKER CN3904 CN3902 CN3905 CN3602 CN3601 :S-MICRO :S-MICRO :S-MICRO CN3903 CN3906 TO B BOARD TO B BOARD TO A BOARD TO F BOARD TO A BOARD...
KV-XA25M80/XA25M83/XA25N90 KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 RM-954 RM-914 (6) Schematic Diagrams of J1 and F Boards (KV-XA25M80/XA25N90) CN2410 S-MICRO J2410 TO B1 BOARD CN1501 DVD Y R- Y R2421 C2410 D2410 R2410 HZS9.1NB2 PROTECTOR DVD BY B- Y R2411 R2419 D2411 C2411 DVD RY HZS9.1NB2...
KV-XA25M80/XA25M83/XA25N90 KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 RM-954 RM-914 6-6. 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- pairing it to prevent an electric shock.
Page 84
KV-XA25M80/XA25M83/XA25N90 KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 RM-954 RM-914 PRINTING WIRING BOARD [FRONT AV IN, SENSOR, POWER SWITCH] – H Board – (KV-XA25M83) – H Board – (KV-XA25M80/N90) – 101 – – 102 –...
Page 85
RM-914 PRINTING WIRING BOARD [AUDIO PROCESSOR, AUDIO AMP, [DVD, 3D TERMINAL] [DVD, 3D TERMINAL] SUB TUNER, AV IN/OUT, VM DRIVER] – J Board – (KV-XA25M83) – J1 Board – (KV-XA25M80/XA25N90) – B Board – – 103 – – 104 –...
When indicating par ts by reference noted. number, please include the board name. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK * A-1299-493-A A BOARD COMPLETE (KV-XA25M80) C112 1-104-660-91 ELECT 47UF 20.00% 16V * A-1299-511-A A BOARD COMPLETE (KV-XA25M83) C113 1-104-664-11...
Page 92
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 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 C507 1-161-830-00 CERAMIC 0.0047UF 500V C607 1-161-830-00 CERAMIC 0.0047UF 99%...
Page 96
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 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 R323 1-216-053-00 RES-CHIP 1.5K 1/10W R515 1-215-913-11...
Page 101
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 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 R1482 1-216-025-11 RES-CHIP 1/10W R1410 1-216-105-91 RES-CHIP...
Page 102
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 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 R3229 1-216-025-11 RES-CHIP 1/10W R6207 1-216-049-11 RES-CHIP...
Page 103
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 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 * A-1131-685-A B1 BOARD MOUNTED Q1510 8-729-230-49...
Page 104
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 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 <COIL> * A-1332-177-A C6 BOARD MOUNTED (KV-XA25M80/XA25M83)
Page 107
KV-XA25M80/XA25M83/XA25N90 RM-954 RM-914 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 <JACK> <COIL> J2410 1-784-623-11 BLOCK, PIN JACK 5P...
Page 108
* 4-082-451-01 CUSHION (UPPER)(ASSY) 1-418-038-12 REMOTE COMMANDER (RM-914) (KV-XA25M80/XA25M83) (KV-XA25N90) * 4-081-560-01 CUSHION (UPPER) (ASSY) (KV-XA25N90) 4-080-852-01 BATEERY COVER REMOTE COMMANDER (KV-XA25N90) Sony Corporation English Sony Technology Malaysia Sdn. Bhd. 2001DS70000-1 9-872-250-01 Visual Entertainment General Area 2001.4 – 128 –...