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* TABLE OF CONTENTS
1. Wiring Diagram
....................................
1
2. Block Diagram
.....................................
3
3. Schematic
.............................................
5
4. PCB Diagram
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15
5. Electrical parts list
.............................
18
6. Exploded view and parts list
...........
28
7. Troubleshooting
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33
Code No. 14739-0128-00
CD VIDEO
DIGITAL AUDIO
COMPACT
Laser Vision
SERVICE
Supplement to the Service Manual DV-750K(DV735K)/
DV550K(DV535K)/DV450(DV435)/DV532KV
This supplement contains change notes differing from the Service Manual DV-530K/
DV-430 use both this supplement and the Service Manual part number 14739-0090-00.
Manual
SUPPLEMENT-1
CHANGE NOTES.
Reference table of contents
•
Samsung Electronics Co., Ltd. OCT. 1994 14739-0091-01
Basic Model : DV-530K/DV-430
DV750K(DV735K)/DV550K(DV535K)/
DV450(DV435)/DV532KV
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O
Check for C-Sync Signal
at VOR10
X
O
Check for waveform at
pin10 of VIC3
(Freg: 13.5MHz)
X
Check VIC3
or Replace
O
Check if waveform at pin 5,7.9
of VIC101 is varying when
playing VCD disc
X
Check VIC101 or
Replace
O
Check for video signal at
pin20 of VIC4
X
Check VIC4 or
Replace VIC4
O
Check for video signal at
pin7 of VIC5
X
Check VIC5
or Replace
O
Check VQ4,5
AND VCE23,24
X
Replace
Check Pattern or
SMD Type parts.
A
7. Troubleshooting (Option-DV-532KV)
• Check all connection between VCD PCB and Main PCB
• Check all supply voltage (+8V, -8V, +5V, +3.3V)
1. No Video
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2. No Sound
!!
Digital Sound (VCD1.1, VCD2.0, CD, LD Digital)
34
O
Check for 16 MHz Clock waveform
at pin4 of VIC105
Check VCW2
O
Check for voltage at pin27 of
VIC105 is OV when power
is turned on
O
Check for signal at pin1,2,3
of VIC105
O
Check for audio signal at
pin13,16 of VIC105
B
Check VCW2
See “No Video”
Replace
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@@
Analog Audio (LD Analog)
35
O
Check for audio signal
at pin4,15 of VIC15
X
Replace
O
Check for audio signal
at pin4,15 of KIC02
X
Check for audio signal
at pin1,3 of VIC15
X
B
Replace
Check Connection
between VCD and
MAIN PCB
O
Check Pattern
O
Check MAIN PCB
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3. Voice Cancel does not work
36
O
Check for audio sound with
STANDARD mode
X
See “No Sound”
O
Check for signal at
pin9 of KIC02
X
O
Check for audio signal at
pin1,3 of KIC02
X
Check Connection between
VCD and MAIN PCB
Check KIC01 or Replace
Check KIC02 or Replace
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4. Voice change does not work
37
O
Check if MIC works well
A
O
Check if signal at Emitter
of KQ2 is +5V
when you sing a song
with MIC.
X
Check KIC1
See “Voice Cancel does not work
O
Check if voltage at
pin101 of VIC100 is +5V
X
Check pattern and
parts connected to
pin101 of VIC100
O
Check for 40.5MHz oscillation
waveform at
pin19,20 of VIC100
X
Check VXC1
O
Check for Connection between
VIC100 and VIC102
X
Connect
O
Check for Connection between
VIC100, VIC106, VIC108
and VIC1
X
Connect
O
Check if all pin of VIC100
is connected well
X
Connect
Replace in order of
VIC1, VIC108 and VIC100
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- 28 -
6. Exploded View and Parts List
6-1 Explded View(DV532KV)
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6-2 Explded View(DV735K/DV535K/DV435)
- 29 -
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18
LOCATION CODE NO. DESCRIPTION and SPECIFICATION Q'TY REMARK
MIC1 (OPTION)
B4002-0714 IC-MCU ;LC866232A DV735K/EXP 1
B4002-0716 IC-MCU ; LC866232A DV535K/EXP 1
B4000-0017 IC-OTP ; LC866232A V-CD 1
VIC2 A4012-0379 IC-LINEAR ; KA9413 QFP DVSP(1) 1
SIC6 A4012-0404 IC-LINEAR ; KA9421-01 QFP SSP 1
TIC2 12119-101-520 IC-PHASE COMPARATOR ; TC5081AP 1
SIC2,3, TIC1,3 12119-401-300 IC-OP AMP ; BA4560F-T2 4
VIC1 A4012-0208 IC-LINEAR ; KSO118 QFP GENLOCK 1
XIC6 A4012-0211 IC-LINEAR ; KA9401 QFP ASP 1
XIC8 A4012-0292 IC-LINEAR ; KS9283 QFP DSP+DPLL 1
VIC3 A4012-0380 IC-LINEAR ; KA9414D QFP VSP 1
MIC2,3 B4004-0080 IC-LOGIC ; TC4094 BP/MC4094BCP 2
SIC4,5 B4008-0683 IC-DRIVE ; LA6510 SIP 2
XIC9 B4012-0381 IC-LINEAR ; PCM 1/10µ SOP D/A CONVERTOR 1
VR145 11018-377-181 R-CARBON ; RD0.5T 180-J 1
SR6 11018-377-220 R-CARBON ; RD0.5T 22-J 1
SR11,12 11018-377-229 R-CARBON ; RD0.5T 2.2-J 2
MQ1A 11139-801-040 TR-CHIP ; KSR1102 (R02) 1
MQ1,6, VQ32 11139-801-050 TR-CHIP ; KSR 2102 (R52) 3
VQ5 11139-801-060 TR-CHIP ; KSR 2104 (R54) 1
VQ10A, 11 11139-901-012 TR-CHIP ; KSR 1104 2
SVR7 11249-102-014 VR-SEMI TAPE-H ; EVN CYA/EVN 1
SVR2 11249-102-024 VR-SEMI TAPE-H ; EVN CYA/EVN 1
SVR4,5,6 11249-102-034 VR-SEMI TAPE-H ; EVN CYA/EVN 3
SVR1 11249-102-044 VR-SEMI TAPE-H ; EVN CYA/EVN 1
VVR1, VVR2 11249-102-064 VR-SEMI TAPE-H ; EVN CYA/EVN 2
TC5,10 11505-713-154 C-POLYESTER ; TAPING M50V 0.15MF 2
TC9 11505-713-183 C-POLYESTER ; TAPING M50V 0.018M-J 1
TC8 11505-713-563 C-POLYESTER ; TAPING M50V 0.056M-J 1
TC3 11505-714-222 C-POLYESTER ; TAPING M50V 0.0022M-K 1
SC29,41, TC4,12 11517-213-224 C-FILM ; CQ921 TM50V. 0.22M-J 4
MC3 11608-102-102 C-ELECTROLYTIC ; SHL 10V 1000M 1
XC1, 2A, VC96, 97, XC25 11608-102-471 C-ELECTROLYTIC ; SMS, 10V 470M 5
XC19, 20, 22 11608-103-221 C-ELECTROLYTIC ; SMS, 16V 220M 3
DC10, 11, VC65A 11608-153-101 C-ELECTROLYTIC ; SRA, 16V 100M 3
SC31 11608-206-479 C-ELECTROLYTIC (NP) ; SMS, 50V 4.7M 1
VCTC1 11829-512-030 C-TRIMMER ; TZ03R 20PF 1
TQ1, 39 12139-601-120 FET ; 2SK 184-Y 2
SQ1 12149-305-100 TRANSISTOR ; MJE 171/172 1
TQ2 12159-301-780 TR DIGITAL ; KSR 1003/KRC103M 1
XZD1, SD1 12169-403-310 DIODE-ZN ; 0.5W, 5.1V 2
SZD1 12169-403-490 DIODE-ZN ; 3.9V 1
VZD2, VZD1 12169-404-770 DIODE-ZN ; 500mW 3.6V 2
5. Electrical parts list
5-1. Main common
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19
LOCATION CODE NO. DESCRIPTION and SPECIFICATION Q'TY REMARK
XD3,4 12169-501-220 DIODE-VARICAP ; ISV 70A 2
VVC1 12169-501-230 DIODE-VARICAP ; SVC-321-SPC1 1
XL319, 321 12429-211-681 CHOCK-COIL ; AXIAL RES-1 Q40 2
SL3 12429-311-181 COIL-CHOCK ; AX 180µH-02 1
VL11 12429-411-101 COIL-CHOCK ; 100µH-02 1
XFL1 A1240-0115 LC-FILTER BP 2.3/2.81M SFR-4254-08 1
SC8, 25, 38 A1102-0164 C-FILM ; CF922 P 63V, 104-J 3
VX1 A1280-0009 CRYSTAL ; 14.31818MHz 30PPM 1
XX1 A1280-0098 CRYSTAL ; 16.9344MHz 17PPM 1
VX2 A1280-0127 CRYSTAL ; 24.576MHz 50PPM 1
EYE A1294-0024 MODULE-REMOCON ; ORC-638V 1
AVJ1 A3040-0124 RCA-JACK ; PI3.5 S-438P-09.6P 1
FLT A4153-0052 V.F.DISPLAY ; SVA-9BS05 LDP 1
SCW1 B6013-0069 CONNECTOR-FPC 52045-3210 WHT 1
REJ A3040-0051 JACK-RCA ; PI3.5S-454 3P 1
MD8 A4150-0123 LED-LAMP ; SLR. 34MG GRN 1 (OPTION)
MD9 A4150-0124 LED-LAMP ; SLR. 34MG 0RG 1 (OPTION)
XIC3,4 12119-401-220 IC-CMOS AN/SW 4053BD 2 (OPTION)
EX1 A1280-0126 CRYSTAL 7.15909M 50PPM 1 (OPTION)
EIC2 B4004-0416 IC-LOGIC ; MC14052BCP 1
EIC3 B4012-0421 IC-LINEAR ; M65844 SOP BULK ECHO 1
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20
LOCATION CODE NO. DESCRIPTION and SPECIFICATION Q'TY REMARK
NQ01 11139-801-032 TR-CHIP ; KSC 1623 1
NVR4 11249-102-014 VR-SEMI TAPE-HI EVN CYA/EVN 1
NVR1 11249-102-024 VR-SEMI TAPE-HI EVN CYA/EVN 1
NVR3 11249-102-034 VR-SEMI TAPE-HI EVN CYA/EVN 1
NVR5 11249-102-044 VR-SEMI TAPE-HI EVN CYA/EVN 1
NC30 11608-103-104 C-ELECTROLYTIC ; SMS 16V 100M 1
NC23, 28 11608-103-473 C-ELECTROLYTIC ; SMS 16V 47M 1
NCTC1 A1111-0012 C-TRIMMER, CERA ; FTA 60-13 1
NX1 A1280-0038 CRYSTAL ; 4.433619MHz 50PPM 1
NX2 A1280-0039 CRYSTAL ; 3.579545MHz 50PPM 1
NVR2 B1054-0082 VR-SEMI ; EVN-DJA/EVN-CYA 1
NFL4 B1146-0067 ELT 10Z 367, 0.60µs 1
NIC1 B4008-0907 IC-VIDEO S/W ; NJM 2233 BMSOP 1
NIC2 B4012-0040 IC-LINEAR ; CXA 1229P NTSC/PAL ENC 1
NIC3 B4012-0039 IC-LINEAR ; CXA1228S NTSC/PAL DEC 1
5-2. Pal option