SAMSUNG DV4620V Service Manual Part List
VIDEO-CD/LDP/CD PLAYER
1. Wiring Diagram
2. Block Diagrams
3. PCB Diagrams
4. Schematic Diagrams
5. Exploded Views and Parts List
6.Troubleshooting
7. Electric parts List
SERVICE
Manual
VIDEO-CD/LDP/CD PLAYER
DV5620KV/DV4620V
•
Samsung Electronics Co., Ltd. May. 1996.Printed in Korea.
This service manual is based on Model DV7620KV/DV7622KV(CODE NO : AH68-20127A).
This service manual contains change notes differing from the Model DV7620KV/7622KV.
For the change notes,refer to the “contents”.
CONTENTS
Samsung Electronics 6 Ð 1
6. Troubleshooting
When troubleshooting, make sure the disc is not dirty or warped.
Check all connection bettween VCD PCB and main PCB
Check all supply voltage (+8V,-8V,+5V,-5V)
6-1 No Video.(Video CD)
YES
YES
YES
YES
YES
YES
Check for C-Sync Signal
at pin 7 of MIC1
Check for waveform at
pin10 of VIC3
(Freg: 13.5MHz)
Check VIC3
or Replace
Check if waveform at pin 5,7.9
of VIC101 is varying when
playing VCD disc
NO
NO
NO
NO
NO
NO
Check VIC101 or
Replace
Check for video signal at
pin2 of MIC1
Check MIC1 or
Replace
Check for video signal at
pin7 of VIC11
Check VIC11
or Replace
Check VQ4,6
and VCE23,24
Replace
Check Pattern or
SMD Type parts.
A
Samsung Electronics
6 Ð 2
6-2 No digital sound(VCD1.1,VCD2.0,CD,LD DIGITAL)
YES
YES
YES
YES
Check for 16 MHz Clock waveform
at pin4 of AIC100
Check VCW1
Check for voltage at pin27 of
AIC100 is OV when power
is turned on
Check for signal at pin1,2,3
of AIC100
Check for audio signal at
pin13,16 of AIC100
B
Check VCW1
See “No Video”
Replace
NO
NO
NO
NO
6 Ð 3Samsung Electronics
6-3 No analog audio(LD Analog)
YES
YES
YES
Check for audio signal
at pin4 of AIC2,103
NO
NO
Replace
Check for audio signal
at pin15 of AIC2,103
B
Check Connection
between VCD and
MAIN PCB
Check for audio signal
at pin5 of AIC2,103
Check Pattern
Samsung Electronics
6 - 4
O
Check for audio sound with
STANDARD mode
X
See “No Sound”
O
Check for signal at
pin10 of AIC2,103
X
O
Check for signal at
pin1 of AIC2,103
Check Connection between
VCD and MAIN PCB
Check AIC2,103 or Replace
X
Check KIC01 or Replace
6-4 Voice cansel and change does not work
Samsung Electronics
6 - 5
YES
Check if MIC works well
NO
YES
Check if signal at collector of KQ1
is +5V when you sing a
song with MIC
NO
Check Connection between
VCD and MAIN PCB
See "Voice cancel does not work
Check KIC01 or Replace
6-5 Voice change Does Not Work
¡¡
ÿ
CAUSION : You must connect a wire from Tray to unit. If not , unit will be troubled.
6 - 6 Samsung Electronics
A
YES
YES
YES
YES
YES
Check if voltage at
pin101 of VIC100 is +5V
NO
NO
NO
NO
NO
Check pattern and
parts connected to
pin101 of VIC100
Check for 40.5MHz oscillation
waveform at
pin19,20 of VIC100
Check VXC1
Check for Connection between
VIC100 and VIC102
Connect
Check for Connection between
VIC100, VIC106, VIC108
and VIC1
Connect
Check if all pin of VIC100
is connected well
Connect
Replace in order of
VIC1, VIC106,VIC108 and VIC100
5 Ð 1Samsung Electronics
5. Exploded View and Parts List
5-1 Cabinet front parts
1
2
3
4
5
6
7
8
9
10
20
21
22
23
25
24
11
12
13
14
15
16
17
18
19
Fig5-1. Cabinet front Exploded View : DV5620KV
5-1-1 Exploded ploded view Parts list : DV5620KV
1 AH64-30364A CABINET-FRONT ABS 94HB BLACK 1 CHN
2 AH64-50312B DOOR-GUIDE ABS 94HB BLACK 1 CHN
3 AH64-40371A DECORATION-DOOR PC BLACK 1
4 AH64-40370A WINDOW-FLT ACRYL IF850 41802 1 CHN
5 AH67-20011A REFELETOR ACRYL CLEAR 1
6 AH64-11055A KNOB-POWER ABS 94HB BLACK 1
7 AH64-11056A KNOB-PLAY ABS 94HB BLACK 1
8 AH64-11057A KNOB-STOP ABS 94HB BLACK 1
9 AH67-10119A LENS-POWER ACRYL MILKY 1
10 AH64-11059A KNOB-10 ABS BLACK 1
11 AH64-11060A KNOB-CD ABS BLACK 1
12 AH64-11063A KNOB-DISC (A) ACRYL MILKY 1
13 AH64-11064A KNOB-DISC (B) ACRYL MILKY 1
14 AH61-10642A BRKT-HINGE SECC 1.0T 2
15 AH61-10643A BRKT-DOOR SECC 1.0T BLACK 1
16 AH61-10644A BRKT-DAMPER SECC 1.0T BLACK 1
17 AH61-20405A HOLDER-KEYCON PC BLACK 1
18 AH61-20404A HOLDER-KARAOKE PC BLACK 1
19 AH64-11091A KNOB-KARAOKE ABS BLACK 1
20 AH64-11092A KNOB-KEYCON ABS CLEAR 3
21 AH69-20018A CUSHION-STOPPER RUBBER BLACK 2
22 AH61-80005A DAMPER-GEAR DP802 SKY BLUE 1
23 AH63-30201A COVER-FRONT ABS 94HB BLACK 1 CHN
24 AH61-60325A SPRING-DOOR STS PI0.7 1
25 AH64-70003F BADGE-BRAND AL GOLD 35MM 1
NO CODE NO. DESCRIPTION SPECIFICATION Q
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TY REMARK
5-1-2 Exploded ploded view Parts list : DV4620V
1
2
3
4
5
6
7
8
9
10
17
18
19
20
21
11
12
13
14
15
16
Fig5-2. Cabinet front Exploded View : DV4620V
1 AH64-30364A CABINET-FRONT ABS 94HB BLACK 1 CHN
2 AH64-50312C DOOR-GUIDE ABS 94HB BLACK 1 CHN
3 AH64-40371A DECORATION-DOOR PC BLACK 1
4 AH64-40370A WINDOW-FLT ACRYL IF850 41802 1CHN
5 AH67-20011A REFELETOR ACRYL CLEAR1
6 AH64-11055A KNOB-POWER ABS 94HB BLACK 1
7 AH64-11056A KNOB-PLAY ABS 94HB BLACK 1
8 AH64-11057A KNOB-STOP ABS 94HB BLACK 1
9 AH67-10119A LENS-POWER ACRYL MILKY 1
10 AH64-11059A KNOB-10 ABS BLACK 1
11 AH64-11060A KNOB-CD ABS BLACK 1
12 AH64-11063A KNOB-DISC (A) ACRYL MILKY 1
13 AH64-11064A KNOB-DISC (B) ACRYL MILKY 1
14 AH61-10642A BRKT-HINGE SECC 1.0T 2
15 AH61-10643A BRKT-DOOR SECC 1.0T BLACK 1
16 AH61-10644A BRKT-DAMPER SECC 1.0T BLACK 1
17 AH69-20018A CUSHION-STOPPER RUBBER BLACK 2
18 AH61-80005A DAMPER-GEAR DP802 SKY BLUE 1
19 AH63-30202A COVER-FRONT ABS 94HB BLACK 1 CHN
20 AH61-60325A SPRING-DOOR STS PI0.7 1
21 AH64-70003F BADGE-BRAND AL GOLD 35MM 1
Exploded View and Parts List
Samsung Electronics
5 - 2
NO CODE NO. DESCRIPTION SPECIFICATION Q
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TY REMARK
Samsung Electronics
5Ð3
1
6
7
8
11
12
13
14
16
1
1
2
3
3
4
5
9
9
10
15
ASS'Y-PCB FRONT
ASS'Y-CABINET FRONT
ASS'Y-CLAMPER
ASS'Y-BRKT LEVER
ASS'Y-PCB VCD
ASS'Y-SMPS
ASS'Y-PCB FRONT(C)
ASS'Y-CHASSIS MAIN
POWER-CORD
(A)
ASS'Y-TRAY
ASS'Y-PCB FRONT
(B)
DECK-LDP
ASS'Y-PCB MAIN
17
Fig 5-3. Main Mechanical Exploded View(DV5620KV)
5-2 Main Mechanical Parts
5-2-1 Main Mechanical exploded view : DV5620KV /DVC4620V
5 - 4
Samsung Electronics
1
6
7
8
11
12
13
14
16
1
1
2
3
3
4
5
9
9
10
15
ASS'Y-PCB FRONT
ASS'Y-CABINET FRONT
ASS'Y-CLAMPER
ASS'Y-BRKT LEVER
ASS'Y-PCB VCD
ASS'Y-SMPS
ASS'Y-PCB FRONT(C)
ASS'Y-CHASSIS MAIN
POWER-CORD
(A)
ASS'Y-TRAY
ASS'Y-PCB FRONT
(B)
DECK-LDP
ASS'Y-PCB MAIN
Fig 5-4. Main Mechanical Exploded View(DV4620V)
Exploded View and Parts List
5 - 5
Samsung Electronics
5-2-1. Parts Lists : DV5620KV/DV4620V
Exploded View and Parts List
AH90-30450C ASS¡flY-PCB MAIN DV-5620KV 1 CHN
AH90-10601C ASS¡flY-PCB FRONT(A) DV-5620KV 1
ASS¡flY -PCB FRONT(B)(C)
AH90-10669A ASS¡flY -PCB VCD DV-5620KV 1 CHN
AH90-10603B ASS¡flY-PCB SMPS DV-7620KV 1 CHN
AH39-10002Y POWER-CORD CP2 KCLE-2F 1.5M
AJ59-20150H DECK-LDP CVM55R2 EXP 1
AH95-50200A ASS¡flY-CLAMPER(2CD) DV-7620KV 1
AH95-50201A ASS¡flY-TRAY(2CD) DV-7620KV 1
AH95-50202A ASS¡flY-BRKT-LEVER DV-7620KV 1
AH95-10308B ASS¡flY-CABINET FRONT DV-7620KV 1 CHN
AH95-30050A ASS¡flY-CHASSIS MAIN DV-7620KV 1 EXP
1. AH64-80030A FOOT-DECORATION ABS 94HB BLK 2
2. AH63-30081A COVER-VOLTAGE ABS 94HB BLK 1
3. AH61-20279A HOLDER-PWB NYLON 12 WHITE 2
4. AH65-20001A CABLE-CLAMP PE BLK 1
5. 16154-507-910 RUBBER-CHASSIS SILICON 60 2
6. 16804-521-510 CUSHION-DECK EVA SPONGE T7 1
7. AH61-10151A BRKT-PCB SECC T1.2 1
8. AH61-10513A BRKT-PCB PBS T0.2 YELLOW 1
9. AH61-10618A BRKT-HOLDER SECC T1.6 2
10 AH63-30185A COVER-WIRE ABS 94HB BLK 1
11. AH63-70110A SHEET-CUSHION EVA SPONGE T4.5 1
12. AH61-10620A BRKT-SHIELD(A) SPTE T0.5 1
13. AH63-30056(A) COVER-REAR ABS 94HB BLK 1
14. AH63-30240G CABINET-TOP SECC+VINYL T0.75 BLK 1
15. AH68-50272F LABEL-DISC TETRON PAPER T0.3 1 EXP
16. AH68-50017F LABEL-JACK PVC T0.5 BLK 1 EXP
17. AH64-11062A KNOB-VOLUME ABS 94HB BLK 3
AH90-10716A ASS¡flY-PCB MAIN DV-4620V 1 CHN
AH90-10706A ASS¡flY-PCB FRONT(A) DV-4620V 1
ASS¡flY -PCB FRONT(B)(C)
AH90-10716B ASS¡flY -PCB VCD DV-4620V 1 CHN
AH90-10603B ASS¡flY-PCB SMPS DV-7620KV 1 CHN
AH39-10002Y POWER-CORD CP2 KCLE-2F 1.5M
AJ59-20150H DECK-LDP CVM55R2 EXP 1
AH95-50200A ASS¡flY-CLAMPER(2CD) DV-7620KV 1
AH95-50201A ASS¡flY-TRAY(2CD) DV-7620KV 1
AH95-50202A ASS¡flY-BRKT-LEVER DV-7620KV 1
AH95-10308B ASS¡flY-CABINET FRONT DV-7620KV 1 CHN
AH95-30050A ASS¡flY-CHASSIS MAIN DV-7620KV 1 EXP
1. AH64-80030A FOOT-DECORATION ABS 94HB BLK 2
2. AH63-30081A COVER-VOLTAGE ABS 94HB BLK 1
3. AH61-20279A HOLDER-PWB NYLON 12 WHITE 2
4. AH65-20001A CABLE-CLAMP PE BLK 1
5. 16154-507-910 RUBBER-CHASSIS SILICON 60 2
6. 16804-521-510 CUSHION-DECK EVA SPONGE T7 1
7. AH61-10151A BRKT-PCB SECC T1.2 1
8. AH61-10513A BRKT-PCB PBS T0.2 YELLOW 1
9. AH61-10618A BRKT-HOLDER SECC T1.6 2
10 AH63-30185A COVER-WIRE ABS 94HB BLK 1
11. AH63-70110A SHEET-CUSHION EVA SPONGE T4.5 1
12. AH61-10620A BRKT-SHIELD(A) SPTE T0.5 1
13. AH63-30056(A) COVER-REAR ABS 94HB BLK 1
14. AH63-30240G CABINET-TOP SECC+VINYL T0.75 BLK 1
15. AH68-50272F LABEL-DISC TETRON PAPER T0.3 1 EXP
16. AH68-50017F LABEL-JACK PVC T0.5 BLK 1 EXP
NO CODE-NO DESCRIPTION SPECIFICATION Q
¡¡flfl
TY REMARK
EXPLODED VIEW PARTS LIST(DV-5620KV)
EXPLODED VIEW PARTS LIST(DV-4620V)
NO CODE-NO DESCRIPTION SPECIFICATION Q
¡¡flfl
TY REMARK
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