KV43TR27 R M - 7 8 1 SERVICE MANUAL US Model Chassis No. SCC-D37L-A Canadian Model Chassis No. SCC-D36H-A P-3B CHASSIS MODELS OF THE SAME SERIES KV-13TR24X KV-13TR14,‘13TR24 SPECIFICATIONS Television system American TV standards Speaker Impedance Channel coverage VHF : 2-13 Approx.
D U F O N C T I O N N E M E N T . N E L E S REM- PLACER QUE PAR DES COMPOSANTS SONY DONT LE P U B L I S H E D S O N Y .
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KV-13W871 SAFETY CHECK-OUT (US Model only) After correcting the original service problem, LEAKAGE TEST perform the following safety checks before releasing The AC leakage from any exposed metal part to the set to the customer: earth ground and from all exposed metal parts to any Check the area of your repair for unsoldered or exposed metal part having a return to chassis, must poorly-soldered connections.
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SECTION I GENERAL l-l. LOCATION OF CONTROLS Ffefer to the pai mdlcated I” 0 for detals RemotecornmandsrRY-781 - S L E E P button POWER switch MUTING button r----------u Picture adjusting buttons TIMER/BLOCK setting buttons Monitor- (SELECT, RESET, LEVEL 1 (TIMER/BLOCK, CLEAR, AM/PM,...
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l-2. PRESETTING TV CHANNELS Press POWER on the TV or the Remote Press the channel number button(s) and then ENTER to select Commander to turn the N on. the channel to be added or erased. To add channels - Press A -ENTER To preset VHF or UHF To preset cable TV channels...
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l-3. WATCHING TV PROGRAMS 14. ADJUSTING THE PICTURE Press SELECT repeatedly unto1 the on-screen display of the Item lo be adjusted Press POWER on the N or the Remote appears. then press LEVEL +/- Commander to turn the N on. - LEVEL + RESET SELECT...
l-5. ENJOYING THE CONVENIENT FEATURES l-6. TIMER/BLOCK Muting the sound - S L E E P Press MUTING. Internal clock Once the Internal clock IS set. the current time will appear on the screen. The “MUTING” indication will appear on the screen. MUTING- To restore the sound.
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Make sure that the clock has been set correctly before Setting the channel BLOCK. Example: To set the clock to 9:OS PM Example: To set the BLOCK for a program which begins at 930 AM on channel 9 Press TIMER/BLOCK once to change from “normal page” to “clock page.- Press TIMER/BLOCK three times to change from “normal T I M E W B L O C K...
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Make sure that the clock has been set correctly before setting the program start TIMER. Example: To set the TIMER for a program which begins at IO:30 PM on channel 12 Press TIMERBLOCK once to change from “normal page” to “clock page.” TIMEWBLOCK “clock page”...
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SECTION 2 DISASSEMBLY 2-l. SERVICE POSITION Pull out and turn up the A board in the direction shown by the arrow. - 10 -...
2-2. PICTURE TUBE REMOVAL Note : Follow the disassembly procedure in the numerical order given. @ COIL DEMAGNETIZATION @ C BOARD @I DEFLECTION YOKE @ A BOARD @ SPEAKER - @I TWO SCREWS 8 TWO SCREWS @I PICTURE TUBE 0 ANODE CAP - CUSHION REMOVAL OF ANODE-CAP * REMOVING PROCEDURES...
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SECTION 3 SET-UP ADJUSTMENTS Perform the adjustments in order as follows : The following abjustments should be made when a complete realignment is required or a new 1. Beam Landing picture tube is installed. 2. Convergence These abjustments should be performed with rated Focus 4.
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KV-133;fW&‘, When the V.STAT magnet is moved in the 3-2. CONVERGENCE direction of arrow @ and @ , Red, Green and Preparation Before starting, perform FOCUS, H. SIZE and V. Blue dots move as shown below. SIZE adjustments. Set BRIGHTNESS control to fully counterclock - wise.
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3-3. FOCUS (G4)( RV707) (2) Dynamic Convergence Adjustment Adjust FOCUS control for a best picture. Preparation Before starting, perform Horizontal and Vertical 3-4. SUB BRT (RV709) Static Convergence Adjustment. Feed in a cross-hatch pattern. Loosen deflection yoke screw. Set PICTURE and BRIGHTNESS to minimum. Remove deflection yoke spacers.
SECTION 4 SAFETY RELATED ADJUSTMENT (3) Hold-down readjustment R R568 CONFIRMATION METHOD (HOLD-DOWN When step(2) is not satisfied, readjustment should CONFIRMATION) READJUSTMENTS be performed by altering the resistance value of R When replacing the following components (marked 568 (a component marked with 6). with 0 on the schematic diagram) , always perform (4) Confirmation of hold-down errorneous operation...
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KV- 13TR27 RM-781 B+ VOLTAGE CONFIRMATION 4. Confirm that the hold-down circuit does not The following adjustments should always be perform- operate by performing switchover of the channels ed w,hen replacing IC601. of the dot signals and entirely white signals several times.
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SECTION 5 ELECTRICAL ADJUSTMENTS 5-l. A BOARD ASDJUSTMENT - Component Side - RV401 @)IVlOEO LEVEI RV402 IAUDIO I EVFl 1 A board IH.FREQ IBAR (~vl0l)l TMENT POSITION ADJUSTMENT (Rv501)l Receive a cblor-bar signal. Receive an off-air signal. Set the PI&TURE button to maximum.
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KV--13TR27 RM-781 SECTION 6 DIAGRAMS 6-1. CIRCUIT BOARD LOCATION . Voltages are dc with respect to ground unless otherwise noted. * All voltages are in V. * Reading are taken with a color-bar signal input. . Reading are taken with a NTSC 358 color-bar signal input 9 Voltage variations may be noted due to normal produc- tion tolerances : B+ bus.
64. SEMICONDUCTORS M34302M8-514SP 2SC3209LK RDI OES-B2 U05G RD12ES-B3 Vl QCS RD33ES-L3 RD4.3ES-Bl RD5.1 ES-L2 RD5.6ES-B2 RD9.1 ES-B3 C A T m a E 2SC3271 -P ” PC81 7-B CAT59Cll HP QCPL-3209 0’ 4 WWE I ,- + s.- RGP02-17 2SC3311 A-QRS STR-D3035 CXAI 013AS KEY-COOSV-F...
SECTION 8 ELECTRICAL PARTS LIST NOTE: Items marked ' are not stocked When indicating parts by refer- since they are seldom required for routine service. Some delay should be anticipated when ordering these items. COILS CAPACITORS All variable and adjustable resistors . MF : ,,F, PF : wF * MMH : mH, UH : have characteristic curve 5, unless otherwise...
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with part number REMARK LEF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION ------- -------- ----------- -----_ ._----- -------- ----------- C517 I-126-233-11 ELECT 22MF D113 8-719-911-19 DIODE ISSI19 D114 8-719-911-19 DIODE lSS119 C518 1-102-125-00 CERAMIC C519 l-123-024-21 ELECT 03iff0F47MF 16OV 0115 g-719-109-74 DIODE RD4.3ES-B ;es~a;~~~~~~~~~~5~~~_lc~~~M~~~.~;...
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with part number DESCRIPTION REMARK EF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. ----__ ----__ _------- ----------- ------ _------ -__----- ----------- l-249-421-11 CARBON alIL> I-249-421-11 l-249-421-11 %ooNN l-249-421-11 CARBON LlOl I-410-476-11 INDUCTOR "L;$ 1-410-476-11 INDUCTOR I-249-416-11 CARBON l-410-504-11 INDUCTOR 3.9UH I-249-429-11 CARBON L106 I-408-404-00 INDUCTOR...
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KV- 1 31;sW; The components identified by in this manual have been carefully factory-selected for each set in ’ order to satisfy regulations regarding X-ray radiation sent critiques pour la securite Should replacement be required, replace only with Replace only with part number Ne les remplacer que par the value originally used piece portant...
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3-751-225-31 MANUAL, INSTRUCTION (CND ONLY) *4-337-201-02 BAG, PROTECTION x4-393-161-01 CUSHION (UPPER) (ASSY) *4-393-162-01 CUSHION (LOWER) (ASSY) *4-393-167-01 INDIVIDUAL CARTON REMOTE COMMANDER A-i470-921-A REMOTE (~~-781) COMMANDER 4-394-031-01 COVER, BATTERY (FOR RM-781) English Sony Corporation 92CE0247-1 Printed in Japan 019923 g-964-804-01 TV Group - 34 -...