Sony KV-4SV2 Service Manual

Sony KV-4SV2 Service Manual

Indextron color tv

Advertisement

SERVICE MANUAL
This file was freely uploaded to archive.org and must not be sold or redistributed at cost. If you paid for it,
demand a refund.
1 KVX-370
American TV standards
Television system
VHF: Channels 2-13
Channel coverage
UHF: Channels 14-69
Picture tube
lndextron tube
3.7-inch picture measured diagonally
4-inch picture tube measured diagonally
90-degree deflection
Antenna
75-ohm minijack for VHF/UHF
Telescopic antenna
Speaker
04 cm (15/s inches)
0.3 W
Power output
Video input
VIDEO
AUDIO
Output
Earphone: stereo minijack, impedance 8-300
ohms 12 V DC
Power requirements
DC IN 12 V jack accepts:
•••••
•••••
•••
OCR'd and edited by:
George Rudolf Mezzomo
MICROFILM
Files generously provided by J. Halphen
Phono jack, 1 V p-p, 75 ohms unbalanced, sync
negative
Phono jack, 500 mVrms, input impedance more
than 47 kilohms
AC-42 AC power adaptor (supplied) for use on
120 V AC, 60 Hz
DCC-16AW car battery cord (optional) for use on
12 V battery
SPECIFICATIONS
Power consumption
Dimensions
Weight
1 AC-42 AC power adaptór
Rated input voltage
Nominal output voltage
Rated output current
Power consumption
Cord length
Design and specifications are subject to change without notice.
INDE XTRO N COLO R TV
SONY
us
Model
Chassis No. SCC-C15A-A
Also applies to Japanese
sets Models:
KV-4SV1
KV-4SV2
15.6 W
133 x 133 x 152 mm (w/h/d)
(5 1 / 4 x 5¼ x 6 inches)
incl. projecting paris and controls
Approx. 1.3 kg (2 1b 14 oz)
120 V AC, 60 Hz
12 V DC
1.3 A
25 W (60 Hz)
Approx. 3 m (9.8 ft.)

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the KV-4SV2 and is the answer not in the manual?

Questions and answers

Summary of Contents for Sony KV-4SV2

  • Page 1 KV-4SV1 KV-4SV2 This file was freely uploaded to archive.org and must not be sold or redistributed at cost. If you paid for it, demand a refund. SPECIFICATIONS 1 KVX-370 American TV standards Television system 15.6 W Power consumption VHF: Channels 2-13...
  • Page 2: Table Of Contents

    _& SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED SONY. CIRCUIT ADJUSTMENTS THAT CRITICAL TO SAFE OPERATION ARE IDENTIFIED IN THIS MANUAL.
  • Page 3 KVX-370 SAFETY CHECK-OUT LEAKAGE TEST After correcting the original service problem, 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...
  • Page 4: General

    SECTION 1 GENERAL 1·2. TO SET THE CLOCK 1-1. PARTS IDENTIFICATION • When the unit is turned on for the first time or after being left with the power Example: To set to 1:15 P.M. disconnected for more that one day, the time indication will show--:--. When you press the HOUR or MINUTE button once, the indication changes to Tum the unit on.
  • Page 5: To Preset The Receivable Channels

    ALARM SET selector Band indication channels L (VHF low band) Select lhe program position with lhe CHANNEL or - button. o •>l posltlon o •>l position H (VHF high band) channels AI lhe alarm time The buzzer sound. The TV will be turned 7-13 ➔...
  • Page 6: Connecting The External Antenna

    1-7. CONNECTING A VCR 1-6. CONNECTING THE EXTERNAL ANTENNA =� If you cannot obtain satifsactory reception with the telescopic antenna, connect the external antenna. Using the VIDEO IN Jacks VMC-710M/720M ( o ptional) UHF antenna VHF antenna ( C hannel 14-69) ( C hannel 2-13)
  • Page 7: Disassembly

    KVX-370 SECTION 2 DISASSEMBLY 2-1. REMOVAL OF REAR LID ® Remove the rear lid. Remove it while holding the portion antenna indicated by the arrow ©. ® Set up 2-2. REMOVAL OF J/D3/M BOARDS the antenna. (J) Remove it by pressing two...
  • Page 9: Removal Of Crt

    KVX-370 2-5. REMOVAL OF CRT CD Remove the antenna holder. ® Remove two screws (BVTP3 12). @ Remove the control panel. @ Remove the chassis assembly. 1 ,..----- (J) Remove four screws (BVTP3 12). the C board. the CRT holder.
  • Page 10: Safety Related Adjustment

    KVX-370 SECTION 3 SAFETY RELATED ADJUSTMENT [B R1543 check (HV power supply circuit check)] Checking method : 8: 5 1. Input 15.0 � V DC from the DC regulated power Be sure to perform this adjustment when replacing the following components (marked [:;iii in the circuit supply.
  • Page 11 KVX-370 [8 R1557 check ( + B MAX check)] Checking method : 8: 5 Be sure to perform this adjustment when replacing 1 . Input 15.0 � V DC from the DC regulated power the following components. supply. 2. Receive the monoscope signals.
  • Page 12: Circuit Adjustments

    KVX-370 SECTION 4 CIRCUIT ADJUSTMENTS 4-1. A BOARD. ADJUSTMENT 4-2. B BOARD ADJUSTMENT - Com p onent side - - Com p onent side - o I /\-2 RV8001 RV8005 © OTP8006 RV305 © T8001 CT8001 @ RV8002 B Board TP8003 I?>.
  • Page 13 KVX-370 KVX-370 4-3. 01 BOARD ADJUSTMENT 4-5. 03 BO Conductor side - -Conductor side - -Conduct 2. Connect oscilloscope to pin ® of IC8002 through !SIGNAL D C ADJUSTMENT (RV8106) the filter. IC8002 1. Input the 100 % white signal.
  • Page 14: D3 Board Adju Stme

    l<VX-370 4-7. H BOARD ADJUSTMENT 4-6. B BOARD AND H BOARD ADJUSTMENT 4-5. D3 BOARD ADJUSTMENT RED, GREEN AND BLUE. OUTPUTS - Conductor side - - Conductor side - - Conductor side - ductor side - t..._r-- ADJUSTMENT (RV002, RV003, RV004) ®0®...
  • Page 15: Diagrams

    KVX-370 KVX-370 SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM � 5 0013 0 !; TltlOI ANT !II. JACK HlGfi --AfT/0 £Xl VOL/I VIDEO ALAM£ /0 ALAM£/! AUDIO IN AttCIO EJ48l VIDEO r ' " • AfT/f VOL/0 0204 0205 0482 TIME...
  • Page 16 KVX-370" �VX-'370: !COOi ,. L C004 POWER Qi RESET ➔ CONTROLLER l� t � · SYSTEM Vee I IC003 CLOCK X TAL iic ( ---O �O _ ___ --l @-- - - - - - ---- DATE IN !12, L 3/���H2 -!�...
  • Page 17 KVX-370 KVX-370 HEATER H sue V BLK LfalOI 08106 08104 hl107 • • oaioa VJDfO I OllV[ VIDEO VIDEO 08105 AMP 3 AMP 4 � TO A 80UW VIDEO flllfR 1..fS!02 0811 2 BUFFER AMP 2 11ve10• � : , : �...
  • Page 18 KVX-370; KVX-:/! 3 '70 ---�>----­ - -------------- - ---- , G3t lHI H2 0 7 0 ) QS10 5 08106 Q8l() 4 V901 V IDEO ..._ VIOEO VIDEO .,. I , VIDEO ViDfO AMP 2 AMP 3 AMP 4 Vlb(O ..._ ..
  • Page 19: Circuit Boards Location

    KVX-370 5-2. CIRCUIT BOARDS LOCATION [VIF. AFT. AHC. CHROMA. H DEF,· V DEF, H BLK PG. AF AMP, U/V TUNER] achieved. (Refer t o R529, R 530, R1 543, R1557 adjustment on page 10,11.) -A Board- Conductor side - When replacing the part in below table, be sure to perform the related adjustment.
  • Page 20 KVX:., 3 .70 [TV /VIDEO ·-SW] A board - - Conductor side - J Board RV303 1-.4 RV304 ICIOI RV305 IC201 RV306 1 - 9 IC481 ICSOI COIL TRANSISTOR 1201 • G -9 0101 1202 0201· 0202 0203 TESTPO!N1 0204 0205 G -7 0206...
  • Page 21 ��-- TO Dt BOARD D1-3 A board � ,..- TO D3 BOARD 03-3 -------------------- '" '" ® © ® Ill• ii/, llf. lif'. �� J'\.ril. 'bj'D "'111\ft ":k.i!JO �f: : : � , ---- - -----;. -: ;.l. ·,; � . , � - I.
  • Page 22 B board CXD1206Q � " 2. 8 Vp-p ( H l ..HSZS .. c�bo6 � 1----------------+----------------+-----------+-------------------------- - - - - - - -------------------t---- 7f�8�� s c6H ,,,,,,,_ "_ ° ''f VCTS PHASE PHASE 1. 51< RV8005 RS044 COMP COMP 0.6Vo-,CH) TP8006 vszs...
  • Page 23 KVX-370 KVX-370 oo[INDEX SIGNAL PROCESSOR. PLL. DEF SUPPORT. RING COUNTER, VIDEO SW, CCD DELAY LINE] - Component side - B Board - Component side - B board - Cond B board TESTPOINT TRANS I STOF l-626-658-12 IC8001 TP8002 Q8001 TP8003...
  • Page 24 KVX-370 KVX-370 - B Board - - Conductor side - B board Conductor side TRANSISTOR !._) . Q8001 Q8004 Q8005 Q8006 Q8104 08105 Q8106 Q8108 Q8109 E�2 QSl 11 Q8112 Q8113 DIODE D8005 D8103 D8106 D8107 D8108 c-2-" D8109 CO IL...
  • Page 25 KVX-370 KVX-370 . [BJ [SELECT CH DISP. MEMORY, SYSTEM CONTROL, CLOCK, VIDEO PROCESS] - H Board - - Conductor side · H board H board - Component side - - H Board - - Conductor side - TEST PO I NT...
  • Page 26 p.44...
  • Page 27 H board D006 IS2835 REVERSE PREVENTION y\ IV'· IV', IV'- l.6Vp-p(H) DOOS RD3. 3ME2 R042 CLK RESET 560 R038 4.4 REFERENCE..-----+------->---• � .flr--1u " SW917 SW914 COi 0 < � RD41 " ""' � ...,_ � O. 22F <O u O.
  • Page 28 - IC692 ----- --------- --------- LA 7 835 �2 CX22011 a°''2sv F 9V REG t-----i D1 board TO CRT --;-':· o : u:' = :;- -('i\-- o. <D 4. ' ,)----, R702 TO Dl COAT.3ND J. 9k lfTI THERMAL �o : 'r--;::::::===;--;:==-v o �"_i ---, 4.
  • Page 29 KVX-370 hHV OUT. POWER CONTROL. ABL DET: SAW OUT] - D1 Board - Conductor side D1 board - D1 'Board - Component side D1 board - Conductor side - - Component side - IC1501 IC1502 IC1503, IC1504 IC1504 TRANSISTOR TRANSISTOR...
  • Page 30 KVX-370 KVX-370 l[400V RECT. 120V RECT. DYNA FOCUS OUT, H OUT, H DRIVE] - D1 Board - Conductor side )1 board - D2 Board - Component side D2 board Conductor side Component side TRANSISTOR 1(1502 Q601 1(1504 Q605 Q606 Q610...
  • Page 31 KVX-370 8 [400V RECT. 120V RECT, DYNA FOCUS OUT. H OUT. H DRIVE] -D2 Board- Conductor side - D2board Component side - - D2 Board- - Conductor side - onent side- TRANSISTOR SlSTOR 0602 Q603 Q604 060 5 0606 0607...
  • Page 32 p.59 p.58...
  • Page 33: Semiconductors

    KVX-370 KVX-370 I KVX-3 r.ul· L.!.!J 5-4. SEMICONDUCTORS [PHOTO AMP] LA7835 µIn 4082ijt IN4005 CXAl 103M RD5.6ES-L3 Conductor side N Board Component side N Board CXAl274Q-Z PPC4558G2 ELIZ RD33ES-B ERABl-004 ERB44-02 GP08D RD5.6E-BZ7S GPC8D I JS 4 ncr 'fin, "'"""...
  • Page 34: Exploded Views

    KVX-370 SECTION 6 EXPLODED VIEWS 5-4. SEMICONDUCT ORS LA7835 1' 1 •14082�2 IN400S RDS.6ES-L3 CXA I 103M NOTE: tor side µPC4558G2 ELIZ RD33ES-B CXAl274Q-Z • Items with no part number and no des­ • Items marked " * " are not stocked since...
  • Page 35: Pict U R E T Ub

    KVX-370 2. PICTURE TUBE • BVTP 3x12 7-685-648-79 J __ The components identified by shading and mark & are criti• cal for safety. Replace only with part number specified. REMARK REMARK \REF.NO. PART NO. DES CR I PT JON REF.NO. PART NO.
  • Page 36: Electrical Parts List

    KVX-370 SECTION 7 ELECTRICAL PARTS LIST NOTE: Items marked " * " are not stocked When indicating parts by refer­ The components identified by since they are seldom required for ence number, please inclu de routine service. Some delay should be shading and mark &...
  • Page 37 KVX-370 [fil REfi.NO. PART NO. DESCRIPTION. REMARK :REF.NO. PART NO. DES CR I PT! ON REMARK ----------- ----------- ------- -------- -------- ------- <COIL> : R8016 1-216-075-00 METAL GLAZE 1/lOW L8001 1-407-169-XX INDUCTOR lOOUH ' R8017 1-216-095-00 METAL GLAZE 1/lOW L8002 1-407-169-XX INDUCTOR...
  • Page 38 KVX-370 [!][[]� REF.NO. PART NO. DES CR I PT ION REMARK !REF.NO. PART NO. DESCRIPTION REMARK ----------- ----------- ------- -------- ------ 1 _______ -------- R8124 l-216-041-00 METAL GLAZE 1/lOW METAL GLAZE R8125 1-216-049-00 1/lOW * 1-563-683-11 CONNECTOR, BOARD TO BOARD lOP...
  • Page 39 KVX-370 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 ----------- ----------- ------- -------- ------ , ------- -------- C481 1-163-081-00 CERAMIC CHIP 0.22MF IC501 8-759-700-81 I.
  • Page 40 KVX-370 • The components identified by in this manual The components identified by have been carefully factory-selected for each set in & shading and mark are criti- order to satisfy regulations regarding X-ray radiation. cal for safety. [AJ™J Should replacement be required, replace only with Replace only with part number the value originally used.
  • Page 41 KVX-370 REF.NO. PART NO. DESCRIPTION' REMARK :REF.NO. PART NO. DES CR I PT ION REMARK ----------- ------- -------- <NEON LAMP> <DIODE> NL701 1-519-294-00 LAMP, NEON D901 8-719-100-03 DIODE 1S2835 D902 8-719-100-03 DIODE lS2835 D903 8-719-100-03 DIODE lS2835 <TRANSISTOR> D904 8-719-100-03 D !ODE 1 S2835...
  • Page 42 KVX-370 • The components identified by in this manual have been carefully factory-selected for each set in The components identified by & order to satisfy regulations regarding X-ray radiation. shading and mark are criti· cal for safety. Should· replacement be required, replace only with...
  • Page 43 KVX-370 • The components identified by in this manual The components identified by have been carefully factory-selected for each set in & shading and mark are criti­ order to satisfy regulations regarding X-ray radiation. cal for safety. Should replacement be required, replace only with Replace only with part number the value originally used.
  • Page 44 KVX-370 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 :------- ------ -------- R612 METAL GLAZE ELECT 1-216-049-00 1/lOW : C671...
  • Page 45 KVX-370 [ill REF.NO. PART NO. DES CR I PT ION REMARK REF.NO. PART NO. DESCRIPTION REMARK ----------- ----------- ------- -------- ------- -------- C063 CERAMIC CHIP 220PF 1-163-125-00 ************************************************************* C064 1-163-009-11 CERAMIC CHIP 0.00lMF A-1375-076-A H BOARD, COMPLETE C065 1-163-125-00 CERAMIC CHIP 220PF...
  • Page 46 KVX-370 [ill RH.NO. PART NO. DESCRIPTION REMARK :REr.No. PART NO. DES CR I PT I ON REMARK ----------- ----------- ------- -------- ------ ! _______ -------- <TRANSISTOR> 1-216-073-00 METAL GLAZE : R040 1/IOW 1-216-049-00 METAL GLAZE : R041 1/lOW QOOl 8-729-271-22 TRANSISTOR 2SC2712Y...
  • Page 47 KVX-370 The components identified by & shading and mark are criti­ cal for safety. Replace only with part number specified. REF.ND. PART NO. DES CR I PT ION REMARK <VARIABLE RESISTOR> RVOOI 1-230-867-11 RES, ADJ, METAL GLAZE lK RV002 1-230-871-11 RES, ADJ, METAL GLAZE 22K...
  • Page 48 KVX-370 English Sony Corporation 88JH0944-1 Printed in Japan TV Group @19S8.10 9-964-181-01 -76-...

Table of Contents