SERVICE MANUAL BG3R CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-XA21M80 RM-952 Vietnam SCC-U56F-A ÷ JUMP SOUND Á PROGR MODE FAVORITE TRINITRON COLOR TV ®...
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THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE REPLACE THESE COMPONENTS WITH SONY PARTS ANODE. WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...
KV-XA21M80 RM-952 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER lamp will automati- cally 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-XA21M80 RM-952 2. DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT Diagnostic Item Flash Count* 2 times +B overcurrent/overvoltage 2 times Vertical deflection stopped 5 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-XA21M80 RM-952 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”. 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.
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SELECT AUTO L(MONO) PROGR PROGR AUDIO VIDEO AUTO PROGR VIDEO IN VIDEO OUT...
KV-XA21M80 RM-952 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.
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KV-XA21M80 RM-952 3-2. CONVERGENCE 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%). BMC (Hexapole)
KV-XA21M80 RM-952 YCH Rotate YCH VOL on DY BMC (Hexapole) Magnet. If the red, green and blue dots are not balanced or aligned, Insert Correction Plate to DY Pocket (Left or Right) then use the BMC magnet to adjust in the manner described below.
KV-XA21M80 RM-952 SECTION 4 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENTS WITH COMMANDER 4-2. ADJUSTMENT METHOD Service adjustments to this model can be performed using the Item Number 00 of device GEO supplied Remote Commander RM-952 This explanation uses H-Position as an example.
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KV-XA21M80 RM-952 ITEM INFORMATION No. OPB0 OP1 Item XTAL 4.43 XTAL 3.58 SECAM 2nd. Lang KV-XA21M80 No. OPB1 OP2 AV Input Item NICAM HDEV Thai Bil Dis Fav. DVD Input KV-XA21M80 AV Input 00 = no AV Input 01 = 1 AV Input...
KV-XA21M80 RM-952 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 2. Input a PAL color-bar. (Service Mode). 3. Set to the following condition: Raise/lower the data using the 3 and 6 buttons.
KV-XA21M80 KV-XA21M80 RM-952 RM-952 SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM MAIN. TUVIF with AUDIO TV V in STEREO DECODER TV L in (MSP3415) PROSESSOR <slave: 84H> TV R in IC203 TU101 TDA7442D INTERNAL NTSC BTF-LG433 <slave: 80H> COMB FILTER SP ASSY...
KV-XA21M80 RM-952 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. kΩ = 1000Ω, MΩ = 1000kΩ • Indication of resistance which does not have rating electrical power is as follows.
KV-XA21M80 RM-952 5-6. PRINTED WIRING BOARDS AND PARTS LOCATION PRINTED WIRING BOARDS [VIDEO AMP NS ROTATION VM] [CISPR] – C1 Board – – F Board – – 45 –...
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KV-XA21M80 KV-XA21M80 RM-952 RM-952 PRINTED WIRING BOARDS N O T E : The circuit indicated at left contains high voltage of over [SYSTEM CONTROLLER, Y/C JUNGLE, DEFLECTION, TUVIF, FRONT AMP, POWER SUPPLY, AUDIO AMP/TONE CONTROLLER] 1220 Vp-p. Please pay attention when inspecting or re- pairing it to prevent an electric shock.
KV-XA21M80 RM-952 SECTION 6 EXPLODED VIEWS NOTE: • • Items marked " ∗ " are not stocked since Items with no part number and no The components identified by description are not stocked because they are seldom required for routine...
KV-XA21M80 RM-952 The components identified by shading and mark ! are critical for safety. SECTION 7 Replace only with part number specified. ELECTRICAL PARTS LIST REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK • Items marked " ∗ " are not stocked since •...
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KV-XA21M80 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 C304 1-126-967-11 ELECT 47UF 20.00% 50V C523 1-102-002-00...
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KV-XA21M80 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 C628 1-126-942-61 ELECT 1000UF 20.00% 25V D301 8-719-081-97...
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KV-XA21M80 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 D633 8-719-948-45 ERA22-08 JR004 1-216-295-91 SHORT D634 8-719-081-97...
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KV-XA21M80 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 L503 1-412-525-31 INDUCTOR 10UH Q606 8-729-230-49 2SC2712-YG L504...
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KV-XA21M80 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 R105 1-216-295-91 SHORT R348 1-208-806-11 METAL CHIP 0.5%...
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KV-XA21M80 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 R522 1-208-806-11 METAL CHIP 0.5% 1/10W R607 1-249-425-11 CARBON 4.7K...
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KV-XA21M80 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 <RELAY> C1803 1-126-964-11 ELECT 10UF 20.00% 50V C1804...
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KV-XA21M80 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 <TRANSISTOR> R5974 1-216-476-11 METAL OXIDE R5975 1-249-417-11 CARBON...
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SCREW, SPECIAL (DIA. 3.8X20) * 4-062-162-11 BAG, PROTECTION * 4-082-706-01 INDIVIDUAL CARTON * 4-082-707-01 CUSHION(UPPER)(ASSY) * 4-082-708-01 CUSHION(LOWER)(ASSY) 4-082-385-12 MANUAL, INSTRUCTION 4-392-003-51 BAND, HOLD ***************************************************************** Sony Corporation Sony Technology Malaysia Sdn. Bhd. English 9-872-283-01 Visual Products 2002.1 – 61 –...