KLV-21SG2 AEP Model SERVICE MANUAL SPECIFICATIONS Display Unit: Panel System: LCD (Liquid Crystal Display) Panel Power Requirement: 220–240 V AC, 50 Hz TV System: Screen Size: 21 inches Depending on your country/region selection: Approx. 53.7 cm measured diagonally B/G/H, D/K, L, I Display Resolution: ×...
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• SmartLink (Direct link between your TV and a compatible VCR or DVD recorder. For more information on SmartLink, please refer to the instruction manual of your VCR or DVD recorder.) • TV system autodetection • Screen Memo • NexTView (depending on availability of service) KLV-21SG2 (AEP)
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VIEWS AND IN THE PARTS LIST ARE CRITICAL FOR “pinched” or contact high-wattage resistors. SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS AP- 3. Check that all control knobs, shields, covers, ground straps, and mounting hardware have been replaced. Be absolutely PEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE- certain that you have replaced all the insulators.
SECTION 1 DISASSEMBLY 1-1. REAR COVER AND STAND ASSY REMOVAL Two screws Rear cover Stand assy (+BVTT 3x6) Five screws Center clip (+PSW 4x12) 1-2. REAR CABINET REMOVAL Four screws (+PSW 4x8) Rear cabinet Two screws (+BVTP 3x10) KLV-21SG2 (AEP)
1-3. MS AND U1 BOARDS REMOVAL Two screws (+BVTT 3x6) U1 borad Two screws (+BVTP 3x10) Four screws (+BVTT 3x6) MS shield MS board 1-4. G BOARD REMOVAL Five screws (+BVTT 3x6) G borad KLV-21SG2 (AEP)
Two screws Five screws (+BVTT 3x6) (+BVTT 3x6) MSB board B board 1-6. A, TU AND U2 BOARDS REMOVAL U2 board Three screws (+BVTT 3x6) Two screws (+BVTT 3x6) TU board Case,tuner shield Four screws (+BVTT 3x6) A board KLV-21SG2 (AEP)
4. Send “READ_PW_INPUT_Y” command from ECS. Item Standard ± 5. Check thgat the detection value of “PW_INPUT_Y” is within PW_INPUT_CR the standard of the following column. <Video(composit) input detection value average on 0 IRE black full field> Item Standard ± PW_INPUT_Y KLV-21SG2 (AEP)
6. Input blue full field with burst. 7. Send “ADJUST_C_LEVEL_VIDEO” command from ECS. The C_LEVEL_CCP2_05 registration of the D1 range is ad- justed automatic by this command. The value that increased and redused offset data is copied in the TV and S video range. KLV-21SG2 (AEP)
B_DRIVE Adjusted value of Color Temperature “Warm” × 0.941 Adjusted value of Color Temperature “Warm” × 1.013 R_BKG Adjusted value of Color Temperature “Warm” × 1.000 G_BKG Adjusted value of Color Temperature “Warm” × 0.923 B_BKG 3. Perform the Color Save. KLV-21SG2 (AEP) 2-3E...
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SCL B CCP SW SDAT SDA B SYNC ON SYNO DET TO A-1 BOARD CLAMP GATE CN9704 MOD1 POWER4 MOD2 POWER3 F MONO POWER2 MOD1 TU MUTE POWER1 MOD0 MS BS2 FMONO TO B(2/2) MUTE (MAIN CPU,DRC-MF,CHROMA DEC.) KLV-21SG2 (AEP)
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NUM WP Q1603 KEY1 KEY IN SDA A POWER INT POREW INT SCL A IC1651 SIRCS Q1017,Q1018 SDA D CN1004 (LED,SIRCS) LEVEL SHIFT SCL D P SAVE LED STBY LED POWER LED MS BS2 SIRCS TO B(1/2) Q1015 RESET KLV-21SG2 (AEP)
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D4302 BUS CTL(BE0-4) 45,89 LIMITTER CN4301 CN4101 90,107 MEMORY STICK MS BS BUS CTL(BS,CS,RDY) MS SDIO 106,113 SCLK MS INS MS SCLK D4303 LIMITTER IRQ0,1 DREQ 0-3 210,252 Q4303 Q4301,Q4302 253,272 MS DRIVER LED SW D4301 3.3V (PROCESSOR) KLV-21SG2 (AEP)
• Items marked " * " are not stocked since they are seldom required for routine service. Some delay Les composants identifiés par la marque ! should be anticipated when ordering these items. sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. KLV-21SG2 (AEP)
Les composants identifiés par la marque ! • F : nonflammable sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. When indicating parts by reference number, please include the board name. KLV-21SG2 (AEP)
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1254 IC8203 6-702-593-01 IC BA10358FV-E2 1255 IC LINK PS8201 1-576-736-21 IC LINK 3.15A 1256 IC LINK PS8202 1-576-736-21 IC LINK 3.15A 1257 IC LINK PS8203 1-576-736-21 IC LINK 3.15A 1258 IC LINK PS8204 1-576-736-21 IC LINK 3.15A KLV-21SG2 (AEP) 5-18...