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Samsung DV-7620KV Service Manual
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Samsung DV-7620KV Service Manual

Samsung DV-7620KV Service Manual

Video-cd/ld/cd player
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SERVICE
This service manual is based on Model DV530K/DV430(14739-0090-00).
This service manual contains change notes differing from the Model
DV530K/DV430. For the change notes,refer to the "cotents".
The only difference between DV7620KV and DV7622KV is the front design.
VIDEO-CD/LDP/CD PLAYER
DISC 1
DISC 2
NTSC/PAL
DISC CHANGE
LOW
ONCE MORE
REPEAT
DIGITAL ECHO
PHONES
KARAOKE
SURROUND
SCORE/
STANDARD
SELECTOR
AUTO PAUSE
MIN
MAX
DISC 1
DISC 2
DISC CHANGE
NTSC/PAL
ONCE MORE
REPEAT
LOW
PHONES
DIGITAL ECHO
KARAOKE
SURROUND
SCORE
STANDARD
SELECTOR
AUTO PAUSE
MIN
MAX
ƒR
Design and specficatios are subject to change upon improvement without prior notice.
VIDEO-CD/LD/CD PLAYER
DV - 7620KV/DV - 7622KV
1
2
3
4
5
POWER
ON/STANDBY
6
7
8
9
10/0
OPEN/CLOSE
RETURN
SELECT
PLAY/PAUSE
STOP
SKIP/SEARCH
KEY CONTROL
HIGH
PREVIOUS
NEXT
VOLUME
MIC 1
CONTROL
MIC 2
VOLUME
VOICE
VOICE
SOUND
LAST MEMORY
CANCEL
CHANGE
MIN
MAX
MIN
MAX
1
2
3
4
5
POWER
ON/STANDBY
6
7
8
9
10/0
OPEN/CLOSE
SELECT
RETURN
PLAY/PAUSE
STOP
KEY CONTROL
HiGH
SKIP/SEARCH
PREV.
NEXT
VOLUME
MIC 1
CONTROL
MIC 2
VOLUME
VOICE
VOICE
SOUND
LAST MEMORY
CANCEL
CHANGE
MIN
MAX
MIN
MAX
•
Samsung Electronics Co., Ltd. May. 1996.
Manual
CONTENTS
1. Precaution
2. Specification
3. Disassembly and Reassembly
4. Exploded Views and Parts List
5. Troubleshooting
6. Electric parts List
7. Block Diagrams
8. PCB Layout
9. Wiring Diagram
10. Schematic Diagrams
Printed in Korea. AH68-20127A

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Summary of Contents for Samsung DV-7620KV

  • Page 1 VOICE SOUND LAST MEMORY 9. Wiring Diagram STANDARD SELECTOR AUTO PAUSE CANCEL CHANGE 10. Schematic Diagrams ƒR Design and specficatios are subject to change upon improvement without prior notice. • Samsung Electronics Co., Ltd. May. 1996. Printed in Korea. AH68-20127A...

  • Page 2: Safety Precautions

    Examples: Handle brackets, Metal Part metal cabinets, screwheads and control shafts. The current measured should not Ohmmeter exceed 0.5 milliamp. Reverse the power- plug prongs in the AC outlet and repeat. Fig. 1-2 Insulation Resistance Test Samsung Electronics 1 Ð 1...

  • Page 3: Servicing Precautions

    Make sure that the 8. Always connect a test instrument's ground portion around the serviced part has not lead to the instrument chassis ground been damaged. before connecting the positive lead; always remove the instrument's ground lead last. 1 Ð 2 Samsung Electronics...

  • Page 4: Precautions For Electrostatically Sensitive Devices (Esds)

    OLET ALTTINA NAKYMATTÖMALLE LASERSATEILYLLE ALA KATSO SATEESEEN! Market. VARNING :OSYNLIG LASERSTRÅLNING NAR DENNA DEL AR OPPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJSTRÅLEN! Fig. 1-4 Warning Labels (Location: Disc Clamper, Inner Side of Unit Door or Nearby Unit Chassis ) Samsung Electronics 1 Ð 3...
  • Page 5 1.6 mm distance from the objective lens Terminal. See diagrams below: surface on the optical pick-up block.) THE UNIT (1) WRIST-STRAP CONDUCTIVE SHEET FOR GROUNDING short short short short terminal terminal terminal terminal SOH-A1 SOH94T4N SOH91CI(CAR,walkman) (CMS-V10,CMS-V30) SOH91VI(LDP) (CMS-V10,CMS-V30) 1 Ð 4 Samsung Electronics...
  • Page 6 Make sure that the 8. Always connect a test instrument's ground portion around the serviced part has not lead to the instrument chassis ground been damaged. before connecting the positive lead; always remove the instrument's ground lead last. 1 Ð 2 Samsung Electronics...

  • Page 7: Troubleshooting

    Check VIC4 or Check for video signal at Replace VIC4 pin2 of NIC101 Check VIC5 Check for video signal at or Replace pin7 of VIC5 Check VQ4,5 Replace AND VCE23,24 Check Pattern or SMD Type parts. Samsung Electronics 5 Ð 1...
  • Page 8 Check for voltage at pin27 of Check VCW2 VIC105 is OV when power is turned on Check for signal at pin1,2,3 See “No Video” of AIC104 Check for audio signal at Replace pin13,16 of AIC104 Samsung Electronics 5 Ð 2...
  • Page 9 5-3 No analog audio(LD Analog) Check for audio signal Replace at pin4,15 of VIC6 Check Connection Check for audio signal between VCD and at pin5,7 of VCW4 MAIN PCB Check MAIN PCB Check Pattern Samsung Electronics 5 Ð 3...
  • Page 10 5-4 Voice cansel and change does not work Check for audio sound with See “No Sound” STANDARD mode Check Connection between Check for signal at VCD and MAIN PCB pin2,3,4 of AIC108 Check AIC108 or Replace 5 - 4 Samsung Electronics...
  • Page 11 Check CD Tray swich (LOW OR HIGH) Check pattern from Check for signal MIC1 to DRIC1 and pin5,6 of DRIC1 MICOM (PIN5:LOW,PIN6:HIGH) Check for waveform at Check DRIC1 pin2,10 of DRIC1 Check flate cable and CD Tray Motor Samsung Electronics 5 - 5...
  • Page 12 4. Exploded View and Parts List 4-1 Cabinet front parts 4-1-1 Exploded ploded view Parts list : DV7620KV Fig 4-1. Cabinet front Exploded View(DV7620KV) Samsung Electronics 4 Ð 1...
  • Page 13 4-1-2 Exploded ploded view Parts list : DV7622KV Fig 4-2. Cabinet front Exploded View(DV7622KV) Samsung Electronics 4 - 2...
  • Page 14 4-2 Main Mechanical exploded view and parts list Fig 4-3. Main Mechanical Exploded View 4 Ð 3 Samsung Electronics...
  • Page 15 4-3 Chassis Main Parts Fig 4-4 Chassis Main Exploded View Samsung Electronics 4 - 4...
  • Page 16 4-4 Clamper(2CD) Exploded View & Parts List PARTS DESCRIPTION SPECIFICATION Q'TY REMARK Fig 4-5 Clamper Exploded View Samsung Electronics 4 Ð5...
  • Page 17 4-5 Deck Exploded View & Parts DECK Fig 4-6 Deck Exploded View Samsung Electronics 4 Ð 6...
  • Page 18 4-6 Tray Exploded View & Parts Fig 4-7 Tray Exploded View Samsung Electronics 4 Ð7...
  • Page 19 Specification Q'TY Remark Description Samsung Electronics...

  • Page 20: Electric Parts List

    11129-008-221 C-CHIP CERAMIC;CC 2012 COG 221J T SIC2,3,TIC1,3,VIC4,5 1201-000163 IC-OP AMP;4560,SOP,8P,150MIL,DUAL,1 12119-401-300 XIC6 1204-000109 IC-ASP;KA9401,QFP,80P,-,PLASTIC,6V, A4012-0211 SIC6 1204-000218 IC-SSP;KA9421,QFP,100P,-,PLASTIC,6V A4012-0210 VIC2 1204-000241 IC-VSP;KA9413,QFP,100P,-,PLASTIC,6V A4012-0379 VIC3 1204-000242 IC-VSP;KA9414D,SOP,30P,-,PLASTIC,6V A4012-0380 VIC1 1205-000528 IC-GENERATOR;KS0118,QFP,80P,-,PLAST 2001-000020 R-CARBON(S);22OHM,5%,1/2W,AA,TP,2.4 11018-377-220 MR13A 2001-000027 R-CARBON;100OHM,5%,1/4W,AA,TP,2.4X6 11018-277-101 Samsung Electronics...
  • Page 21 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 11119-101-103 SR32,36,MR4,5,VRC TR23,27,35,VR57 XR28,51A,VR58,85,TR31B SR41,50,51,52,53 SR54,64,MR5D,15 SR67,72,73,103 2007-000308 R-CHIP;10OHM,5%,1/10W,DA,TP,2012 11119-101-100 SR121 2007-000338 R-CHIP;120KOHM,5%,1/10W,DA,TP,2012 11119-101-124 SR118,133B,VR86,124 2007-000355 R-CHIP;12KOHM,5%,1/10W,DA,TP,2012 11119-101-123 SR117,119,120,144 2007-000395 R-CHIP;150KOHM,5%,1/10W,DA,TP,2012 11119-101-154 XR88,89,SR43 VR51 2007-000401 R-CHIP;150OHM,5%,1/10W,DA,TP,2012 11119-101-151 SR85,114,131,168,169,55,VR60 2007-000409 R-CHIP;15KOHM,5%,1/10W,DA,TP,2012 11119-101-153 TR4,6,16,31,XR82,94,VR7,73 VR88 2007-000449 R-CHIP;180OHM,5%,1/10W,DA,TP,2012 11119-101-181 Samsung Electronics...
  • Page 22 R-CHIP;360OHM,5%,1/10W,DA,TP,2012 A1020-0085 SR135 2007-000804 R-CHIP;36KOHM,5%,1/10W,DA,TP,2012 11119-101-363 SR71,84,139 2007-000830 R-CHIP;39KOHM,5%,1/10W,DA,TP,2012 11119-101-393 TR17,24,29,VR19,SR133A SR100,XR10,23,51 2007-000872 R-CHIP;4.7KOHM,5%,1/10W,DA,TP,2012 11119-101-472 VR12,67,72,SR153 XR102,103,VR69,136,XR75 MR20 SR61,77,8B,XR109,17,19,VR54,55 2007-000931 R-CHIP;470OHM,5%,1/10W,DA,TP,2012 11119-101-471 VR119,94,132,90,34,121 SR62A SR113,130,137,MR7,8 2007-000941 R-CHIP;47KOHM,5%,1/10W,DA,TP,2012 11119-101-473 TR1,34,18,XR79,86,101,56 SR94,XR111,MR12B 2007-000947 R-CHIP;47OHM,5%,1/10W,DA,TP,2012 11119-101-470 SR141,VR68B,68A,134,109A 2007-000981 R-CHIP;5.6KOHM,5%,1/10W,DA,TP,2012 11119-101-562 MR5E Samsung Electronics...
  • Page 23 C-CERAMIC,CHIP;150PF,5%,50V,NPO,201 SC76 2203-000374 C-CERAMIC,CHIP;15NF,10%,50V,X7R,201 11129-004-153 MC8,9,VC14A,25,26,52F 2203-000391 C-CERAMIC,CHIP;15PF,5%,50V,NPO,3216 11129-008-150 XC79,80 VC54,47Z 2203-000408 C-CERAMIC,CHIP;180PF,5%,50V,NPO,201 11129-008-181 XC56,VC36,48 2203-000429 C-CERAMIC,CHIP;18PF,5%,50V,NPO,2012 11129-008-180 SC52,XC49,54,59,64,VC50,41,21 2203-000444 C-CERAMIC,CHIP;1NF,10%,50V,X7R,2012 11129-004-102 SC91,82,85A,VC60,44 2203-000495 C-CERAMIC,CHIP;2.2NF,10%,50V,X7R,20 11129-004-222 XC52 2203-000533 C-CERAMIC,CHIP;2.7NF,10%,50V,X7R,20 11129-004-272 XC55 2203-000555 C-CERAMIC,CHIP;20PF,5%,50V,NPO,2012 11129-009-200 VC80A,34A,SC39 2203-000609 C-CERAMIC,CHIP;22NF,10%,50V,X7R,201 11129-004-223 Samsung Electronics...
  • Page 24 C-AL;470NF,20%,50V,GP,4*7,1.5MM,TP 11608-156-471 XC1,2A,VC96,97,XC25 2401-001351 C-AL;470UF,20%,10V,GP,8X11.5,-, 11608-102-471 MC5,TC16,DEC1 2401-001494 C-AL;47UF,20%,16V,GP,5*11,2MM, 11608-103-473 MC160A SC7,SC10 2401-001529 C-AL;47UF,20%,25V,GP,5*11,2MM, 11608-104-473 2401-001881 C-AL;1000UF,20%,10V,GP,10X12MM,5MM, 11608-102-102 VC89 2401-001891 C-AL;100UF,20%,10V,GP,6X11MM,5MM,TP 11608-202-101 SC35,36,42,TC11,SC37 2401-001907 C-AL;10UF,20%,16V,GP,5X11MM,5MM,TP 11608-203-100 SC5,20,21,40 2401-001914 C-AL;1UF,20%,50V,GP,5X11MM,5MM,TP 11608-206-109 SC28 2401-001936 C-AL;22UF,20%,16V,GP,5X11MM,5MM,TP 11608-203-220 SC31 2401-001989 C-AL;4.7UF,20%,50V,GP,5*11MM,5MM,TP 11608-206-479 Samsung Electronics...
  • Page 25 NC07,08 11129-004-473 C-CHIP,CERAMIC;CC 2012 X7R 473K T NIC3 1204-000379 IC-PAL/NTSC DECODER;CXA1228S,DIP,28 NIC2 1204-000381 IC-PAL/NTSC ENCODER;CXA1229P,DIP,24 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3 11018-877-103 NR02,04,14 2007-000267 R-CHIP;1.8KOHM,5%,1/10W,DA,TP,2012 11119-101-182 NR05 2007-000282 R-CHIP;100KOHM,5%,1/10W,DA,TP,2012 11119-101-104 NR07 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 11119-101-103 NR09,16 2007-000409 R-CHIP;15KOHM,5%,1/10W,DA,TP,2012 11119-101-153 NR10 2007-000444 R-CHIP;180KOHM,5%,1/10W,DA,TP,2012 11119-101-184 Samsung Electronics...
  • Page 26 3711-000907 CONNECTOR-HEADER;BOX,3P,1R,2MM,STRA 13349-119-030 MIC1 AH09-10060W IC-MASK ROM;LC86P6232,-,DIP AH90-10601B ASSY-PCB FRONT;DV7620KV,CHN FD1,2,3,4,5,6,7 0401-000005 DIODE-SWITCHING;1N4148,100V,200MA,5 12169-301-290 FZD1,2 0403-000354 DIODE-ZENER;UZ5.1B,5.1V,4.8-5.4V,50 12169-403-310 FQ1,4 0504-000118 TR-DIGITAL;KSR1003,NPN,300MW,22K-22 12159-301-780 FQ6,7,8 0504-000128 TR-DIGITAL;NPN,200MW,22K-22KOHM,SOT 11139-801-182 FQ3,5 0504-000145 TR-DIGITAL;KSR2003,PNP,300MW,22K-22 12159-301-330 FLD1,2,3,4,5,6,7,8 0601-000146 LED;ROUND,GRN,3.1MM,555NM FLD9,10,11,12,13,14 0601-000245 LED;ROUND,RED,3.1MM,650NM 12309-001-450 FLD15,16,17,18,19,20 Samsung Electronics...
  • Page 27 AH65-30013A CLAMP-CORD;,-,DALA-2,-, 16634-517-300 ASSY-OPTION PCB FRONT;DV7620KV,- FD20,21,22 0401-000005 DIODE-SWITCHING;1N4148,100V,200MA,5 12169-301-290 FD23 0601-000245 LED;ROUND,RED,3.1MM,650NM 12309-001-450 FSW10,11,12,13,14,15,16,17 3404-000165 SWITCH-TACT;12V,50MA,160GF+-50GF,6X 13559-901-100 TCW2 3708-000303 CONNECTOR-FPC/FC/PIC;6P,1.25MM,STRA B6010-0352 FCW5 3710-000123 CONNECTOR-SOCKET;10P,1R,2MM,STRAIGH 13349-168-101 TCW1 AH39-20537A LEAD CONNECTOR-ASSY;-,51004,35023,6 AH90-10602B ASSY-PCB VCD;DV7620KV,CHN AD1,2,3,4,5,6,7,8,9 0401-001002 DIODE-SWITCHING;1N4148M,100V,200MA, 12169-301-400 AD12A,12B,12E,12F Samsung Electronics...
  • Page 28 11119-101-105 AR33A,28,VR75 2007-000565 R-CHIP;220KOHM,5%,1/10W,DA,TP,2012 11119-101-224 VR88A,88,87,87A,CR5D,5E,5F 2007-000572 R-CHIP;220OHM,5%,1/10W,DA,TP,2012 11119-101-221 CR5G,5H,5I,MR11 AR27,33 2007-000586 R-CHIP;22KOHM,5%,1/10W,DA,TP,2012 11119-101-223 AR1A,1B 2007-000593 R-CHIP;22OHM,5%,1/10W,DA,TP,2012 11119-101-220 AR52,58 2007-000615 R-CHIP;24KOHM,5%,1/10W,DA,TP,2012 A1020-0067 AR39 2007-000635 R-CHIP;270KOHM,5%,1/10W,DA,TP,2012 11119-101-274 AR52,58 2007-000653 R-CHIP;27KOHM,5%,1/10W,DA,TP,2012 11119-101-273 VR36 2007-000686 R-CHIP;3.3KOHM,5%,1/10W,DA,TP,2012 11119-101-332 AR116,119,117,2,AC7,8 2007-000774 R-CHIP;33KOHM,5%,1/10W,DA,TP,2012 11119-101-333 Samsung Electronics...
  • Page 29 2401-001238 C-AL;4.7UF,20%,25V,GP,3*5,1MM,TP 11608-154-479 VCE3 2401-001324 C-AL;470NF,20%,50V,GP,3*5,1MM,TP 11608-106-478 AE1,2,7,13,5A,VCE2,7 2401-001502 C-AL;47UF,20%,16V,GP,6.3*5,2.5MM,TP 11608-153-470 AT2,ATC1,3,4,VCT1,AC17B 2404-000190 C-TA,CHIP;22UF,20%,16V,-,5832,-,TP 11155-306-220 AL5A,5B,VL2 2701-000114 INDUCTOR-AXIAL;10UH,10%,2.5X3.4MM 12429-411-100 2701-000149 INDUCTOR-AXIAL;2.7UH,10%,2.5X3.4MM A1130-0038 VL3,ML1,AL1,2 2703-000001 INDUCTOR-SMD;10UH,10%,2.5X3.2X2MM 11176-600-050 2801-000155 CRYSTAL-UNIT;14.31818MHZ,50PPM,28-A A1280-0199 VXC5A 2801-000185 CRYSTAL-UNIT;17.734475MHZ,50PPM,28- A1280-0122 VXC1 2801-000286 CRYSTAL-UNIT;40.5MHZ,50PPM,28-AAM,2 A1280-0197 6-10 Samsung Electronics...
  • Page 30 IC-VOL. REFERANCE;431,TO-92,3P,-,PL A4008-0757 PD12,17,18,19,20,21,22 12169-201-090 DIODE-RECTIFIER;1N 4002,TAPE PZNR1 1405-000147 VARISTOR;470V,4500A,17X12MM,BK PR39 2001-000003 R-CARBON;330OHM,5%,1/8W,AA,TP,1.8X3 11018-877-331 PR12,13 2001-000019 R-CARBON(S);10OHM,5%,1/2W,AA,TP,2.4 11018-377-100 PR71 2001-000111 R-CARBON;150OHM,5%,1/4W,AA,TP,2.4X6 11018-277-151 PR18,33,34 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3 11018-877-103 PR14 2001-000362 R-CARBON;150OHM,5%,1/8W,AA,TP,1.8X3 11018-877-151 PR9,79 2001-000405 R-CARBON;180OHM,5%,1/8W,AA,TP,1.8X3 PR44,47,49,21,78 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3. 11018-877-102 Samsung Electronics 6-11...
  • Page 31 FUSE-CLIP;250V,7.5A,30MOHM 13164-101-913 PCW1 3711-000190 CONNECTOR-HEADER;1WALL,2P,1R,7.92MM 13349-156-020 3711-000820 CONNECTOR-HEADER;BOX,2P,1R,2.5MM,ST 13349-512-561 PR10,11 A1004-0463 R-METAL OXIDE;RS 1 T 124-J PIC1 AC14-12014M IC-S/W REGU;FA5311,DIP,STICK PL2,3,7 AC27-92001M INDUCTOR;70UH-M RT BFS3565R2F,-,-,- AH26-20020B TRANS-SWITCHING;220V,50HZ,100§Û, PL4,5 AH27-10001R COIL-CHOKE;10UH,K,Q80,-,-,-,-,-, A1130-0077 AH29-30001B FILTER-LINE;20MH,-, A1151-0001 AH29-30001C FILTER-LINE;12MH-18MH,500UH, A1151-0025 6-12 Samsung Electronics...
  • Page 32 ASSY-OPTION PCB SMPS;DV7620KV,CHN 0404-000128 DIODE-SCHOTTKY;FMB-G14L,45V,5A,TO-2 B4112-0021 PCE1 2401-001901 C-AL;100UF,20%,400V,-,22X30,-, A1104-0756 PCE10,12,15 2401-001924 C-AL;2200UF,20%,16V,LZ,22X30,-, A1104-0755 FUSE 3601-000170 FUSE-FERRULE;250V,1.6A,TIME LAG,GLA 14709-241-240 PCW4 3711-001199 CONNECTOR-HEADER;NOWALL,10P,1R,2.0M 13349-169-101 POWER-CORD AH39-10002Y POWER-CORD;CP2,KLCE-2F,2.15M,5239,V A6006-0293 PCW3 AH39-20018Q LEAD-CONNECTOR ASSÕY;5264,51088,13P 16439-0102-00 PCW2 AH39-20018S LEAD-CONNECTOR ASSÕY;5264,51088,18P 16439-0104-00 Samsung Electronics 6-13...
  • Page 33 7. Block Diagram Samsung Electronics 7 - 1...
  • Page 34 8.PCB Diagram 8-1 Front Top 8-1-1 Top View : DV7620KV(Model name) Samsung Electronics 8 Ð 1...
  • Page 35 8-1-2 Top View : DV7622KV(Model name) Samsung Electronics 8 - 2...
  • Page 36 8-2 Main 8 Ð3 Samsung Electronics...
  • Page 37 8-3 Video-cd 8-3-1 Top View 8-3-2 bottom View 8 Ð 4 Samsung Electronics...
  • Page 38 8-4 Power Samsung Electronics 8 Ð5...
  • Page 39 8-5 Tray 8-6 Key Samsung Electronics 8 Ð 6...
  • Page 40 9.Wiring Diagram ( DV - 7620KV/DV - 7622KV) Samsung Electronics 9 Ð 1...
  • Page 41 10.Schematic Diagram 10-1.Front (DV - 7620KV/DV - 7622KV) Samsung Electronics 10 Ð 1...
  • Page 42 10-2. Main ( 1/4 Servo Section, DV - 7620KV/DV - 7622KV ) Samsung Electronics 10 Ð 2...
  • Page 43 10-3. Main ( 2/4 LD Video Section, DV - 7620KV/DV - 7622KV) Samsung Electronics 10 Ð 3...
  • Page 44 10-4. Main ( 3/4 Audio Section, DV - 7620KV/DV - 7622KV ) Samsung Electronics 10 Ð 4...
  • Page 45 10-5. Main ( 4/4 Syscon Section, DV - 7620KV/DV - 7622KV ) Samsung Electronics 10 Ð 5...
  • Page 46 10-6. Main ( NTSC / PAL Section ) Samsung Electronics 10 Ð 6...
  • Page 47 10-7. Video-CD ( DV - 7620KV/DV - 7622KV ) Samsung Electronics 10 Ð 7...
  • Page 48 10-8. Power ( DV - 7620KV/DV - 7622KV ) 10 Ð 8 Samsung Electronics...

This manual is also suitable for:

Dv-7622kv