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Sony KV-14FV1B Service Manual
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Sony KV-14FV1B Service Manual

Fd trinitron series bc-5 chassis
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SERVICE MANUAL

MODEL
COMMANDER
KV-14FV1B
RM-C816
KV-14FV1D
RM-C814
KV-14FV1E
RM-C814
KV-14FV1U
RM-C815
∗ Please file according to model size. ....
14
MODEL
DEST. CHASSIS NO.
KV-21FV1B
FR
SCC-xxxx-A
KV-21FV1D
AEP
SCC-xxxx-A
KV-21FV1E
ESP
SCC-Q62B-A
KV-21FV1U
UK
SCC-xxxx-A
FD TRINITRON
BC-5
CHASSIS
COMMANDER
DEST. CHASSIS NO.
RM-C816
FR
RM-C814
AEP
RM-C814
ESP
RM-C815
UK
COLOUR VIDEO TV
®
SCC-xxxx-A
SCC-xxxx-A
SCC-Q62A-A
SCC-xxxx-A

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Summary of Contents for Sony KV-14FV1B

  • Page 1: Service Manual

    SERVICE MANUAL BC-5 CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-14FV1B KV-21FV1B RM-C816 SCC-xxxx-A RM-C816 SCC-xxxx-A KV-14FV1D KV-21FV1D RM-C814 SCC-xxxx-A RM-C814 SCC-xxxx-A KV-14FV1E KV-21FV1E RM-C814 SCC-Q62B-A RM-C814 SCC-Q62A-A KV-14FV1U KV-21FV1U RM-C815 SCC-xxxx-A RM-C815 SCC-xxxx-A FD TRINITRON COLOUR VIDEO TV ®...
  • Page 2 SPECIFICATIONS TV Section General TV system: Rear Terminals 21-pin scart connector (CENELEC standard) Colour system: including audio/video input, RGB input, TV PAL, SECAM audio/video output. NTSC 3.58, 4.43 (only Video In) Front Terminals …2 video input – phono jack Channel Coverage: UHF: B-21, B69 2 audio input –...

  • Page 3: Table Of Contents

    SUPPLEMENTS PUBLISHED SONY. CIRCUIT COMPOSANTS SONY DONT LE NUMÈRO DE PIÈCE EST ADJUSTMENTS THAT ARE CRITICAL FOR SAFE OPERATION INDIQUÈ DANS LE PRÈSENT MANUEL OU DANS DES ARE IDENTIFIED IN THIS MANUAL. FOLLOW THESE SUPPLÈMENTS PUBLIÈS PAR SONY. LES RÉGLAGES DE PROCEDURES WHENEVER CRITICAL COMPONENTS ARE CIRCUIT DONT L’IMPORTANCE EST CRITIQUE POUR LA...

  • Page 4: Self Diagnostic Function

    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.
  • Page 5 DISPLAY OF STANDBY LIGHT FLASH COUNT * One flash count is not used for self-diagnostic. < Diagnostic Item > < Flash Count > 2 times • +B OCP/OVP PUSH TEMER REC REC • Vertical deflection stopped 4 times • White balance failure 5 times STANDBY lamp (RED) Lamp ON 0.3 sec.
  • Page 6 SELF-DIAGNOSTIC CIRCUIT LED flash IC001 µ-COM STANDBY lamp To item 2 and 5 via bus line SCL1 D1304 SDA1 RY603 RELAY MEMORY IC002 ITEM 2 Over current VCR PWR Q601 Detection(OVP) Q606 V PULSE STOP R611 • R656 Q611 +B LINE Q612 IC301 Y/C/J...
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  • Page 16: Disassembly

    SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-2. CHASSIS ASSY REMOVAL 2 Rear cover 1 Eight screws (+BVTP 4 X 16) 2 Chassis assy 1 Two screws (+BVTP 4 X 16) 2-3. SERVICE POSITION (A BOARD) 2-4. A BOARD REMOVAL CV board 1 Three screws (+BVTP 3 X 12)

  • Page 17: Harnes Location

    2-5. HARNESS LOCATION Demagnetic coil Anode cap Deflection yoke NA rotation coil DGC holder DGC holder VM coil CVM board Speaker H10 board MA10 board CN1301 CN002 CN251 CN001 CN1703 CN1003 CN302 CN305 CN301 CN306 CN1002 CN803 CN701 CN801 CN606 CN401 board CN603...

  • Page 18: Picture Tube Removal

    2-6. PICTURE TUBE REMOVAL 7Two DGC clips 9Two spring 8Demagnetization 2 Two screws (+BVTP 4 X 16) 4 CV board 5 NA rotation coil 3 Chassis assmbly 6 Deflection yoke 0 Four screws (Tapping screw 5) !¡ Picture tube 1 Anode cap Cushion •...

  • Page 19: Set-Up Adjustments

    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 3.

  • Page 20: Convergence

    • Movement of red, green and blue dots by V. STAT tilting 3-2. CONVERGENCE 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.

  • Page 21: Focus Adjustment

    (2) Convergence adjustment of screen surroundings. 3-3. FOCUS ADJUSTMENT (Dynamic convergence) 1. Receive monoscope pattern. 1. Recieve dot pattern. 2. Adjust FBT focus VR so that the picture has the best focus. 2. Set BRT to main and PIC to the level where dot pattern is Adjust the focus so that the center of the screen is in the best easy to see.

  • Page 22: White Barance Adjustment

    3-5. WHITE BALANCE ADJUSTMENT 1. Input ehite pattern. Adjust white balance of drive side, using service mode VP No. 22 RAMP, No. 23 GAMP and No. 24 BAMP, so that colour temperature is 8600 K + 0 MPCD. 2. Input gray pattern for 10NIT. Adjust white balance of cut-off side, using service mode No.

  • Page 23: Circuit Adjustments

    SECTION 4 CIRCUIT ADJUSTMENTS 4-1. 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.

  • Page 24: Adjustment Method

    4-2. 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 the board ed with picture quality IC002 (MA10 board) Perform “standard...

  • Page 25: Service Data

    4-3. SERVICE DATA DISP DATA STANDARD ITEM DEVICE RANGE DATA VP00 SBRT 00-3F SUB BRIGHT CXA2139S VP01 HSIZ 00-3F H SIZE (Y/C/J) VP02 HPOS 00-3F H POSITION VP03 VSIZ 00-3F V SIZE VP04 LCPN 00-3F LOWERSIDE CORNER PIN VP05 UCPN 00-3F UPPERSIDE CORNER PIN VP06...

  • Page 26: A Board Adjustment

    DISP DATA STANDARD ITEM DEVICE RANGE DATA IF00 AMFM 00-01 AUTO MUTE FM IF01 GAIN 00-01 AUDIO GAIN IF02 GATE 00-01 GATING (POSITIVE MODULATION) IF03 00-1F TAKE OVER POINT *DISPLAY -16 to +15* CXP85452 (µ-COM) IF04 TAGC 00-1F AGC FOR TV TUNER *DISPLAY -16 to +15* IF05 VAGC 00-1F...

  • Page 41: [ Video Section]

    TABLE OF CONTENTS Section Title Page Section Title Page [ VIDEO SECTION] 5. DIAGRAMS 1. GENERAL 5-1. Block Diagrams ............55 1-1. INTERNAL VIEWS ..........46 5-2. Circuit Boards Location .......... 59 5-3. Printed Wiring Boards and Schematic Diagrams ..59 2.

  • Page 42: Internal Views

    SECTION 1 GENERAL 1-1. INTERNAL VIEWS Drum assembly DZH-89A-R x-xxx-xxx-xx - Top Side - ACE block assembly A-6775-791-A FE head Pinch press block assmbly 1-500-471-11 A-6759-863-B FL complete assembly A-6759-619-B Reel table (T) Reel table (S) 3-977-508-01 3-977-507-01 M902 - Bottom Side - Capstan motor 1-698-971-11 Timing belt...

  • Page 43: Top Cover Removal

    SECTION 2 DISASSEMBLY 2-1. TOP COVER REMOVAL 2-2. VCR BLOCK ASSY REMOVAL 1 Four screws 4 screw (+BVTP 3 X 6) (+BVTP 3 X 12) 3 Five screws (+BVTP 3 X 12) RP earth plate 2 Top cover 5 VCR BLOCK assembly 1 CN701 2 Two screws (+BVTP 3 X 12)
  • Page 44 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.
  • Page 45 X’tal OSC CHECK CARRIER DEVIATION CHECK Mode Mode Signal Alignment tape, Stair step Signal Color bar MA10 board IC802 %ªpin(PAL) MA10 board IC802 !•pin Measurement Point Measurement Point Measurement Equipment Oscilloscope Measurement Equipment Spectrum Analyzer Specified Value 500±200mVp-p Specified Value =1.00±0.08MHz Check: 1)Confirm the frequency is 4.433619MHz±100Hz(PAL).
  • Page 46 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 260±70mVp-p(PAL) Specified Value 1.0±0.1Vp-p Check: Confirm the Vp-p of the waneform is 1.0±0.1Vp-p.
  • Page 47 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...
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  • Page 57 FOR JIG TO A BOARD CN302 TO DRUM MOTOR CN401 CN1004 CN1003 SW5V D407 11ES2-TA1B Q402 R411 UN2113-TX 4.7k IC405 1/10W IC404 L401 BA6305F-E2 :CHIP D406 BA10393F-E2 JW(5) CTL AMP 11ES2-TA1B CTL AMP CTL(X) CTL(Y) SW 5V TO MA10(2 GND(A) C409 RF ENV RF SWP...
  • Page 58 TO A BOARD CN302 IC201 TDA7494 CN1003 AUDIO OUT MA10 (1/3) (SYSTEM CONTROL, MAIN µ-COM, VCR SERVO, A AUDIO AMP. R204 PS201 D407 1/4W 11ES2-TA1B :FPRD C220 Q201 AUDIO 1000 2SD601A-QRS-TX R219 MUTE R205 R216 1/10W C211 1/10W 1/4W -TA1B C218 :CHIP :FPRD...

  • Page 59: Ma10(1/3) Board

    µ-COM, VCR SERVO, AUDIO) CN251 SPEAKER :S-MICRO AUDIO SP L OUT GND(SP) GND(SP) R907 1/10W :CHIP Q904 C909 2SD601A-QRS-TX 100p BUFFER CH:CHIP R923 R924 Q901 2SB709A-QRS-TX 1/10W 1/10W BUFFER :CHIP :CHIP R928 100k 1/10W R922 3.3k 1/10W C911 R925 R920 :CHIP 0.001 1/10W...

  • Page 60: Ma10(2/3) Board

    CN1001 :S-MICRO GND(AV) FE HEAD FULL ERASE HEAD CN1002 CTL(X) HEAD CTL(Y) GND(AV) AUDIO(P MA10(2/3) BOARD MARK LIST AUDIO A HEAD PB REC/PB A HEAD REC HEAD Ref No. FR model AEP/UK/ESP model GND(AV) AUDIO AERASE HEAD C1801 0.01 B:CHIP —...
  • Page 61 VOLTAGE D(AV) no mark:REC/PB ):REC < >:PB HEAD SW5V TL(X) TL(Y) D(AV) AUDIO(PB) SW5V D PB R1020 AUDIO(REC) 1/10W :CHIP D(AV) Q1001 2SD879-AA C1016 HEAD 47 16V C1014 R1017 (1.1)<4.8> (4.4) 0.01 5.6k R1023 1/4W <4.8> 5.6k C1002 F:CHIP R1003 :FPRD 1/10W 0.01...
  • Page 62 MA10 (2/3) (Y/C PROCESS,SECAM CHROMA PROCESS) GND(A) PB A AUDIO(PB) MA10(1/3) SW 5V BOARD GND(A) PB V VIDEO(PB) SW5V R1020 1/10W :CHIP L1004 R871 AUDIO(REC) 47µH 2.2k 1/10W C1016 :CHIP 47 16V R872 C1014 2.2k R1017 R1024 0.01 5.6k 1/10W R1023 1/4W :CHIP...
  • Page 63 HPF AMP LOGIC SP/EP REC/PB ENV DET T.PLAY IDLE AGC CONT R.MUTE COMP...

  • Page 65: Cvm Board

    The components identified by shading SECTION 6 and mark are critical for safety. Replace only with part number specified. EXPLODED VIEWS NOTE: • The construction parts of an assembled part are Les composants identifiés par la marque indicated with a collation number in the remark sont critiques pour la sécurité.
  • Page 66 6-2. CHASSIS Les composants identifiés par la marque The components identified by shading sont critiques pour la sécurité. and mark are critical for safety. : 7-685-648-79 +BVTP 3X12 Ne les remplacer que par une pièce Replace only with part number specified. : 7-682-147-01 +P 3X6 portant le numéro spécifié.
  • Page 67 6-3. MECHANISM DECK ASSEMBLY (1) : 7-685-646-79 +BVTP 3X8 Not supplied REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- 3-977-509-01 WASHER, THRUST 3-977-447-01 GEAR, ELEVATOR 3-977-507-01 TABLE, REEL (S) 3-977-514-01 OPENER, LID 3-977-508-01 TABLE, REEL (T) 3-977-441-03 GEAR, PINCH PRESSING...
  • Page 68 6-4. MECHANISM DECK ASSEMBLY (2) : 7-685-646-79 +BVTP 3X8 262 263 REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- X-3947-581-4 BRAKE ASSY,MAIN(T) A-6775-922-A SHUTTLE (S) BLOCK ASSY, ST 262,263 3-977-462-01 SPRING,EXTENTION.
  • Page 69 6-5. MECHANISM DECK ASSEMBLY (3) : 7-685-646-79 +BVTP 3X8 : 7-685-133-19 +BVTP 2.6 REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- 3-977-437-01 RETAINER,CAM MOTOR 3-977-456-03 SPRING, TORSION (LOAD T) X-3947-584-1 ASSY, REEL DIRECT 3-977-443-01 WASHER, STOPPER X-3948-132-2 LEVER ASSY, LOADING(T)
  • Page 70 REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- * A-1632-910-AA BOARD, COMPLETE (KV-14FV1B) C308 1-107-823-11 CERAMIC CHIP 0.47UF 10.00% 16V **************************** (21inch model) C309 1-126-965-11 ELECT 22UF 20.00% 50V * A-1632-904-AA BOARD, COMPLETE (KV-14FV1D/14FV1E) C310...
  • Page 71 Les composants identifiés par la marque The components identified by shading and mark are critical for safety. sont critiques pour la sécurité. Ne les remplacer que par une pièce Replace only with part number specified. portant le numéro spécifié. REF. NO. PART NO.
  • Page 72 Les composants identifiés par la marque The components identified by shading and mark are critical for safety. sont critiques pour la sécurité. Ne les remplacer que par une pièce Replace only with part number specified. portant le numéro spécifié. REF. NO. PART NO.
  • Page 73 Les composants identifiés par la marque The components identified by shading and mark are critical for safety. sont critiques pour la sécurité. Ne les remplacer que par une pièce Replace only with part number specified. portant le numéro spécifié. REF. NO. PART NO.
  • Page 74 The components identified by shading Les composants identifiés par la marque sont critiques pour la sécurité. and mark are critical for safety. Ne les remplacer que par une pièce Replace only with part number specified. portant le numéro spécifié. REF. NO. PART NO.
  • Page 75 Les composants identifiés par la marque The components identified by shading and mark are critical for safety. sont critiques pour la sécurité. Ne les remplacer que par une pièce Replace only with part number specified. A CVM portant le numéro spécifié. REF.
  • Page 76 The components identified by shading Les composants identifiés par la marque sont critiques pour la sécurité. and mark are critical for safety. Ne les remplacer que par une pièce Replace only with part number specified. portant le numéro spécifié. REF. NO. PART NO.
  • Page 77 The components identified by shading Les composants identifiés par la marque sont critiques pour la sécurité. and mark are critical for safety. Ne les remplacer que par une pièce Replace only with part number specified. portant le numéro spécifié. REF. NO. PART NO.
  • Page 78 The components identified by shading Les composants identifiés par la marque sont critiques pour la sécurité. and mark are critical for safety. Ne les remplacer que par une pièce Replace only with part number specified. MA10 VIDEO BLOCK portant le numéro spécifié. REF.
  • Page 79 Les composants identifiés par la marque The components identified by shading and mark are critical for safety. sont critiques pour la sécurité. Ne les remplacer que par une pièce Replace only with part number specified. MA10 portant le numéro spécifié. REF.
  • Page 80 Les composants identifiés par la marque The components identified by shading and mark are critical for safety. sont critiques pour la sécurité. Ne les remplacer que par une pièce Replace only with part number specified. MA10 portant le numéro spécifié. REF.
  • Page 81 Les composants identifiés par la marque The components identified by shading and mark are critical for safety. sont critiques pour la sécurité. Ne les remplacer que par une pièce Replace only with part number specified. MA10 portant le numéro spécifié. REF.
  • Page 82 The components identified by shading Les composants identifiés par la marque sont critiques pour la sécurité. and mark are critical for safety. Ne les remplacer que par une pièce Replace only with part number specified. MA10 portant le numéro spécifié. REF.
  • Page 83 Les composants identifiés par la marque The components identified by shading and mark are critical for safety. sont critiques pour la sécurité. Ne les remplacer que par une pièce Replace only with part number specified. MA10 portant le numéro spécifié. REF.
  • Page 84 1-476-246-11 REMOTE COMMANDER (RM-814) (AEP/ESP model) 1-476-247-11 REMOTE COMMANDER (RM-815) (UK model) 1-476-248-11 REMOTE COMMANDER (RM-816) (FR model) 9-882-043-01 POCKET, COVER (FOR RM-814/815/816) English 00FN7169-1 Sony Ichinomiya Corporation Printed in the UK 9-927-400-01 © Quality Assurance Division 2000. 7 – 96 –...

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