SERVICE MANUAL BC-4A CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-VF14M40 RM-956 SCC-U31A-A KV-VF14M70 RM-956 SCC-P11B-A KV-VF14M70 RM-956 SCC-P10B-A KV-VF14M77 RM-955 SCC-P09C-A • Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENTS VI for Mechanical Adjustments. (9-921-647-11) EJECT EJECT PIC MODE...
SPECIFICATIONS TV Section Television system B/G, I, D/K, M Inputs and Outputs t1, t2/GAME IN Color system PAL/SECAM and Inputs NTSC /NTSC (video): phono jack 3.58 4.43 Bilingual system NICAM bilingual I 1 Vp-p, 75 ohms, Channel coverage See “Receivable unbalanced, channels and channel sync negative...
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Receivable channels and channel display System Area Channel coverage Channel display B/G, H Middle East/Asia E-2 to E-12 C02 to C12 E-21 to E-69 C21 to C69 Indonesia 2 to 11 C03 to C12 Morocco M-4 to M-7 C70 to C73 M-8 to M-10 C08 to C10 CATV...
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL FOR SAFE OPERATION. RE- PLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUST- MENTS THAT ARE CRITICAL FOR SAFE OPERATION ARE IDENTIFIED IN THIS MANUAL.
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SELF DIAGNOSTIC FUNCTION OUTLINE • The units in this manual contain a self-diagnostic function. • If an error occurs, the STANDBY 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 lamp flash indicators is listed in the instruction manual for the user’s knowledge and reference.
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DISPLAY OF STANDBY LIGHT FLASH COUNT * One flash count is not used for self-diagnostic. < Diagnostic Item > < Flash Count > • +B OCP/OVP 2 times • Vertical deflection stopped 4 times STANDBY lamp (RED) • White balance failure 5 times Lamp ON 0.3 sec.
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SELF-DIAGNOSTIC CIRCUIT LED flash IC001 µ-COM STANDBY lamp To item 2 and 5 via bus line SCL1 D1308 SDA1 RY601 LED1 RELAY • • MEMORY IC004 ITEM 3 Over current Q601 Detection(OVP) Q606 V PULSE R611 STOP • R656 R613 +B LINE IC301 Y/C/J...
SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-2. CHASSIS ASSY REMOVAL 2 Rear cover 1 Eight screws (+BVTP 4 × 16) Cassette door 2 Chassis assy Caution: 1 Before the chassis assy removal, please make sure the power cord is pull out to prevent electric shock. 2 Notice for Installing chassis assembly Note: Install chassis assembly when keep...
SECTION 3 SET-UP ADJUSTMENTS Perform the adjustments in the following order: • The following adjustments should be made when a complete realignment is required or a new picture tube is installed. 1. Beam Landing 2. Convergence • These adjustments should be performed with the rated power supply voltage, unless otherwise noted.
3-2. CONVERGENCE • Movement of red, green and blue dots by V. STAT tilting and opening or closing. Purity 1 Movement of opening or closing the BMC magnet V. STAT convergence magnet. Vertical static convergence magnet Movement of tilting the V. STAT conver- gence magnet counterclockwise.
• Adjust TLH. (TLH CORRECTION PIECE : 4-057-714-01) Correct horizontal mis-convergence of X axis' right and left red and blue. When red is outside and view from DY neck side, insert TLH correction piece to rightside (TLH+) and when blue is outside and also view from DY neck side, insert TLH a-d : screen-corner correction piece to left (TLH-).
3-5. WHITE BALANCE ADJUSTMENT 1. Receive color-bar signal and set menu picture quality to minimum picture and standard brightness. 2. Set to service mode and adjust CUT-OFF (VP25-green, VP26- blue) and DRIVE (22-green, VP23-blue) of center. 3. Switch to all white signal. 4.
SECTION 4 SAFETY RELATED ADJUSTMENT CONFIRMATION OF HOLD-DOWN When the parts with a mark on the circuit diagram shown below are replaced, confirm the matters described in items 1. and 2. shown below. : PM601, R614, C614, IC607, R638 1. CONFIRMATION OF +B LINE (A BOARD) 3.
SECTION 5 CIRCUIT ADJUSTMENT 5-1. ADJUSTMENTS WITH COMMANDER 6. WRITING "STANDARD VALUE" 1. ENTERING SERVICE MODE 1) Set to service mode. 1) Turn on the main power of the set and enter into stand-by 2) When push 5 button on the remote commander green mode.
5-2. ADJUSTMENT METHOD Service adjustment to this model can be performed with the supplied Remote Control Commander RM-955, 956. • HOW TO ENTER INTO SERVICE MODE Entering the service mode When exchange When exchange When repair connect- the MEMORY ed with picture quality the board IC002 (MA10 board) Perform “standard...
5-3. SERVICE DATA DISP DATA STANDARD ITEM DEVICE RANGE DATA 00-03 AFC LOOP GAIN SWITCHING CXA2130S VPOS 00-3F V POSITION (Y/C/J) VSIZ 00-3F V SIZE SCOR 00-0F S CORRECTION VLIN 00-0F V LINIARITY HPOS 00-3F HORIZONTAL POSITION HSIZ 00-3F H SIZE AFBW 00-0F AFC BOW...
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DISP DATA STANDARD ITEM DEVICE RANGE DATA 00-FF NICAM SEARCH DELAY 00-01 AGC SWITCH 00-3F AGC GAIN 00-01 CARRIER MUTING 00-01 AUDIO CLOCK OUT 00-7F 00-7F 00-7F 00-7F 00-7F NICAM PRESCALE MS10 00-FF AUTO-FM SWITCH THRESHOLD MS11 00-FF INTELLIGENT VOLUME DISP DATA STANDARD...
5-4. A BOARD ADJUSTMENT 1. H OSC ADJUSTMENT 1) Input select should be selected LINE input (no signal). 2) Connect a frequency counter to TP801 (A board). 3) Adjust service data "VP42" (HOSC) to become 15.690kHz ± 25Hz. 2. PICTURE QUALITY ADJUSTMENT 2-1.
SECTION 3 CIRCUIT ADJUSTMENTS [ SET-UP FOR ADJUSTMENT ] Necessary items and indications for total adjustment of electric The video signal from the pattern generator is used as adjustment circuit of this unit will be described in this chapter. signal for electrical adjustment. This video signal should meet the requirement.
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X’tal OSC CHECK CARRIER DEVIATION CHECK Mode Mode Signal Alignment tape, Stair step Signal Color bar MA10 board IC802 !•pin Measurement Point MA10 board Q823 emitter(NTSC) Measurement Point IC802 %ªpin(PAL) Measurement Equipment Spectrum Analyzer Measurement Equipment Oscilloscope Specified Value =1.00±0.08MHz Specified Value 500±200mVp-p Check: Confirm f...
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REC Y LEVEL CHECK PB Y LEVEL CHECK Mode E-E(SP) Mode Signal No signal Signal Color bar MA10 board IC802 !•pin Measurement Point Measurement Point MA10 board Q830 emitter Measurement Equipment Oscilloscope Measurement Equipment Oscilloscope Specified Value 240±70mVp-p(NTSC) Specified Value 1.0±0.1Vp-p 260±70mVp-p(PAL) Check: Confirm the Vp-p of the waneform is 1.0±0.1Vp-p.
SECTION 4 INTERFACE, IC PIN FUNCTION DESCRIPTION 4-1. µ-COM PORT FUNCTION DESCRIPTION (MA10 BOARD IC001) Pin No. Signal Function S SEL F S-INPUT SELECT (FRONT) S SEL R S-INPUT SELECT (REAR) TU STEREO MODE TU BILINGUAL MODE DGC SW – DGC ON/OFF CONTROL ST/ MONO SET MODE STEREO/MONO...
SECTION 6 EXPLODED VIEWS The components identified by shading and mark are criti- NOTE: cal for safety. • The construction parts of an assembled part are Replace only with part number indicated with a collation number in the remark • Items with no part number and no description are specified.
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The components identified by 6-2. CHASSIS shading and mark are criti- cal for safety. Replace only with part number : 7-685-648-79 +BVTP 3X12 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- -------------...
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The components identified by SECTION 7 shading and mark are criti- cal for safety. ELECTRICAL PARTS LIST Replace only with part number specified. NOTE: • The components identified by in this manual have been When indicating parts by reference number, REF.
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The components identified by shading and mark are criti- cal for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- C625 1-126-972-11 ELECT\T1000MF 20% C828 1-126-960-11...
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The components identified by shading and mark are criti- • The components identified by in this manual have been cal for safety. carefully factory-selected for each set in order to satisfy Replace only with part number regulations regarding X-ray radiation. Should replacement be specified.
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The components identified by shading and mark are criti- • The components identified by in this manual have been cal for safety. carefully factory-selected for each set in order to satisfy Replace only with part number regulations regarding X-ray radiation. Should replacement be specified.
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The components identified by shading and mark are criti- • The components identified by in this manual have been cal for safety. carefully factory-selected for each set in order to satisfy Replace only with part number regulations regarding X-ray radiation. Should replacement be specified.
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The components identified by shading and mark are criti- cal for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- X301 1-567-504-11 OSCILLATOR, CRYSTAL D714 8-719-911-19...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- * A-1241-367-A F BOARD MOUNTED ******************* 1-533-223-11 CLIP, FUSE...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number FF10 MA10 VIDEO BLOCK specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- * A-1241-368-A FF10 BOARD MOUNTED...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number MA10 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- C418 1-130-488-00 MYLAR\T0.027MF 5% C720...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number MA10 MA10 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- C834 1-163-038-91 CERAMIC CHIP\T0.1MF...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number MA10 MA10 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- C1015 1-126-960-11 ELECT\T1MF...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number MA10 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- JR107 1-216-295-91 SHORT L811...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number MA10 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- R005 1-216-089-91 RES,CHIP 1/10W...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number MA10 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- R068 1-216-041-00 RES,CHIP 1/10W...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number MA10 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- R436 1-216-043-91 RES,CHIP 1/10W...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number MA10 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- R810 1-216-041-00 RES,CHIP 1/10W...
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The components identified by shading and mark are criti- cal for safety. Replace only with part number MA10 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- R926 1-216-025-91 RES,CHIP 1/10W...