Kenwood DP-SG7 Service Manual Download Page 2

DP-SG7/SG7G

2

CONTENTS / CAUTIONS

CONTENTS / CAUTIONS .......................................... 2
DISASSEMBLY FOR REPAIR....................................3
ADJUSTMENT ............................................................4
PC BOARD ................................................................ 5

SCHEMATIC DIAGRAM ............................................ 7
EXPLODED VIEW ....................................................13
PARTS LIST..............................................................15
SPECIFICATIONS ......................................Back cover

Contents

Operation to reset

The microcomputer may fall into malfunction (impos-
sibility to operate, erroneous display, etc.) when the
power cord is unplugged while power is ON or due
to an external factor. In this case, execute the follow-
ing procedure to reset the microcomputer and return
it to normal condition.

DP-SG7
Pull the power plug from the receptacle, and then
plug it in again.

÷

Please note that resetting the microcomputer clears
the contents stored in it returns it to condition when it
left the factory.

Cautions

Summary of Contents for DP-SG7

Page 1: ...eceptacle E08 0312 05 Illustration is DP SG7 Refer to parts list on page 15 compliance with Federal Regulations following are repro ctions of labels on or inside the product relating to laser oduct safety KENWOOD Crop certifies this equipment conforms to DHHS Regulations No 21 DFR 1040 10 Chapter 1 Sub chapter J DANGER Laser radiation when open and interlock defeated AVOID DIRECT EXPOSURE TO BEAM ...

Page 2: ...lfunction impos ty to operate erroneous display etc when the er cord is unplugged while power is ON or due external factor In this case execute the follow rocedure to reset the microcomputer and return normal condition DP SG7 Pull the power plug from the receptacle and then plug it in again ase note that resetting the microcomputer clears contents stored in it returns it to condition when it the f...

Page 3: ...DP SG7 SG7G 3 DISASSEMBLY FOR REPAIR ow to open tray if not comes out Insert screwdriver to hole on bottom plate and turn screw clockwisely about 100 1 Pull tray out by hand if tray comes out 2 ...

Page 4: ...mum eye pattern Press the PLAY PAUSE key then confirm that the LED is 05 SONY YEDS 18 Test Disc or equivalent KTD 0 d 47 kΩ 390 pF or so e in Test Mode 0 08 0 15 mW Optical power meter RACKING ERROR BALANCE Test disc Type 4 Connect an oscilloscope as follows CH1 RF CN3 pin 1 CH2 TE CN3 pin 6 TE BALANCE VR1 Symmetry between upper and lower pat terns Press the PLAY PAUSE key then confirm that the LE...

Page 5: ... C E G I B D F H J Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 5 6 CD PLAYER UNIT X32 3600 00 ELECTRIC UNIT X25 6100 01 DISPLAY UNIT X14 4760 21 ...

Page 6: ...2 3 4 5 IN REG MUTE DM NC GND DM IN DM DM FCS NC VC VCC SLD SLD NC VCC SLD 10K SLD 7V 6 5 8 7 9 11 10 12 0 1 C32 22u6 3 C33 SL SL SLO ISET R39 240K 17 18 14 15 16 TAO TAM FSET TG2 TGU 11 10 9 12 C25 0 01 R36 22K R35 100K 13 100K VDD C26 R38 0 01 100P C23 82K R34 C22 0 01 R33 510K C18 0 033 R37 18K C24 10u4 VCC 6 8 R56 4 7K D 5V 57 SENS XRST DATA 0 1 49 49 50 C34 51 51 CLOK XLAT DATO CNIN SEIN 53 5...

Page 7: ... R63 47K 13 47K R60 4 7K 12 9 11 R84 100 R83 100 NC KR0 KR1 SQCK STBY SUBQ 8 9 78 80 5 6 7 2 3 4 1 3G 2G 1G 5 6 7 6G 5G 4G 2 3 4 8G 7G 1 80 79 NC NC 0 01 C58 C59 P1 0 01 77 C48 1 0 01 3 2 SL F2 F1 72 69 73 74 75 76 77 70 SH 77 76 SL SK 75 74 SJ SI 71 73 72 SG VLOAD 70 69 SF SE SG 72 8 73 74 75 76 5 4 SJ SK 7 6 SH SI 67 68 69 70 10 9 SE SF 12 11 SC SD 10K C29 R35 390P C10 330u6 3 5V 100u10 IC7 8 5V...

Page 8: ...SG 9 8 SI SJ 6 5 51 F2 52 F2 SI F2 SL SK SK SL 4 3 F2 F1 2 1 P8 F1 P11 47 NP 8G 48 NP 50 49 45 5G 44 7G 46 6G 1G 2G 42 41 4G 43 3G NC NC 38 NC 40 39 P9 NC 34 NC NC 35 NC 37 36 32 NC 31 NC 33 NC NC NC 29 28 30 NC NC NC 25 NC 27 26 P9 P11 P10 P11 P12 P11 P10 KR0 KR1 Sj Sk Sl Sb Sa Se Sd Sc Sf F1 11 NC 21 NC NC 22 NC 23 NC 19 18 NC 20 NC P2 P1 16 15 17 NC P4 P5 12 P3 14 13 P9 P12 P11 P10 8 P7 P8 9 P6...

Page 9: ...rts with exploded numbers larger than 700 are not supplied FM DM 630 13 LM PU DP SG7 MECHA AE AE AC WASHER HEAD AA AB AA AB AB AB x 2 AD AE AF AG AF AF AG AC x 2 AC x 2 630 AD x 2 1 2 3 A B EXPLODED VIEW MECHANISM 13 ...

Page 10: ...0 repeat S 2 S 5 S 3 S11 S 8 S 9 space S 4 time S 1 on standby G G F 720 D D E E E E E Ex2 Bx2 Bx2 X14 476 A 2 X32 3600 00 X25 6100 01 X14 476 B 2 ED1 DP SG7 SG7G E D A Ex2 Cx6 765 710 702 766 746 705 767 765 735 601 655 626 648 645x2 630 16P 629 20P 650 603 606 641 651 616 617 642x2 604 628 27P 640 628 27P 629 20P E E E 1 2 C E D Parts with exploded numbers larger than 700 are not supplied EXPLOD...

Page 11: ...E04KW1H010M ELECTRO 1 0UF 50WV C6 CE04KW1A221M ELECTRO 220UF 10WV C7 CK73FB1H473K CHIP C 0 047UF K C8 CE04KW1H010M ELECTRO 1 0UF 50WV C9 CE04KW1A101M ELECTRO 100UF 10WV C10 CE04KW0J331M ELECTRO 330UF 6 3WV C11 CE04KW1A101M ELECTRO 100UF 10WV C12 CE04KW0J331M ELECTRO 330UF 6 3WV C13 CE04KW1A101M ELECTRO 100UF 10WV C14 16 CK73FB1E104K CHIP C 0 10UF K C17 CK73FB1H103K CHIP C 0 010UF K C18 19 CC73FSL1...

Page 12: ...B2A432J CHIP R 4 3K J 1 10W R9 RK73FB2A181J CHIP R 180 J 1 10W R10 R92 1867 05 METAL 12K F 1 10W R11 R92 1868 05 METAL 4 3K F 1 10W R12 RK73FB2A103J CHIP R 10K J 1 10W R13 RK73FB2A101J CHIP R 100 J 1 10W R14 RK73FB2A100J CHIP R 10 J 1 10W R15 RK73FB2A221J CHIP R 220 J 1 10W R16 RK73FB2A510J CHIP R 51 J 1 10W R17 RK73FB2A101J CHIP R 100 J 1 10W R18 RK73FB2A103J CHIP R 10K J 1 10W R27 30 RK73FB2A332...

Page 13: ...ONNECTOR CN2 E40 9964 05 FLAT CABLE CONNECTOR CN3 E40 3251 05 PIN ASSY L1 L40 1001 31 SMALL FIXED INDUCTOR 10UH K R1 RK73FB2A753J CHIP R 75K J 1 10W R2 RK73FB2A104J CHIP R 100K J 1 10W R3 4 RK73FB2A203J CHIP R 20K J 1 10W R5 RK73FB2A472J CHIP R 4 7K J 1 10W R6 RK73FB2A912J CHIP R 9 1K J 1 10W R7 RK73FB2A623J CHIP R 62K J 1 10W R8 RK73FB2A105J CHIP R 1 0M J 1 10W R9 RK73FB2A224J CHIP R 220K J 1 10W...

Page 14: ...sil KENWOOD ELECTRONICS U K LIMITED KENWOOD House Dwight Road Watford Herts WD1 8EB United Kingdom KENWOOD ELECTRONICS BELGUM N V Meachelsesteenweg 418 B 1930 Zaventem Belgium KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembrücker Str 15 63150 Heusenstamm Germany KENWOOD ELECTRONICS FRANCE S A 13 Boulevard Ney 75018 Paris France KENWOOD ELECTRONICS ITALIA S p A Via G Sirtori 7 9 20129 Milano ltaly KENWOO...

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