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LASER DISC RF DEMODULATOR

DEM-9991D

SERVICE MANUAL

© 1998-2/B51-5412-00 (K/K) 3728

POWER

RF

LOCK

LASER DISC RF DEMODULATOR DEM-9991D

OFF   OPT.   COAX.

EXTERNAL  DC  SUPPLY  DC  12V

DIGITAL OUTPUT

COAX.

DIGITAL INPUT

RF INPUT

COAX.

DC IN

OPT.

AC-3 RF

Chassis *
(A10-)

Indicator
(B08-9063-04)

Slide switch
(S62-0008-05)

DC jack
(E30-0315-05)

Rear panel
(A80-3383-04)

Optic receiving module
(W02-1181-05)

Phono jack 
(E63-1035-05)

Panel
(A60-1377-04)

* Refer to parts list on page 8.

DEM-9991D(J,K) 

COVER( 

 

98.4.25 

0:09 

AM 

 y [ W  

2

Summary of Contents for DEM-9991D

Page 1: ...X EXTERNAL DC SUPPLY DC 12V DIGITAL OUTPUT COAX DIGITAL INPUT RF INPUT COAX DC IN OPT AC 3 RF Chassis A10 Indicator B08 9063 04 Slide switch S62 0008 05 DC jack E30 0315 05 Rear panel A80 3383 04 Optic receiving module W02 1181 05 Phono jack E63 1035 05 Panel A60 1377 04 Refer to parts list on page 8 DEM 9991D J K COVER 98 4 250 09AM y W 2 ...

Page 2: ... Digital AC 3 decoder or receiver When there are simultaneous inputs from the RF INPUT AC 3 RF jack and DIGITAL INPUT OPT COAX jack the RF INPUT AC 3 RF signal is output with priority 5 AC 3 RF INPUT jack Connect this jack to the AC 3 RF OUTPUT jack on your LD player 6 DIGITAL INPUT COAX coaxial jack Connect with the COAXIAL OUTPUT jack of your LD player 7 DIGITAL INPUT OPT optical jack Connect wi...

Page 3: ...3 94 SYST0 1 O Output port of IC test 95 96 ADST0 1 O Output port of IC test 97 TM5 I Test port of IC 98 BUNRI I Test port of IC 99 AGND GND of 46 08MHz 100 AVDD Power supply of 46 08MHz 5V Port NO Port Name I O Descriptions 1 GND GND 0V 2 VDD Power supply 5V 3 RESET I System reset L reset 4 OSCON I Oscillation control H oscillation L standby 5 DATA I Test port of IC 6 MCK I Test port of IC 7 MLTB...

Page 4: ...RF INPUT DIGITAL INPUT DC IN INPUT SW E E B E B B E B E B 1 1 1 30 80 51 1 7 14 8 31 50 100 81 14 28 15 4 8 5 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 5 DEM 9991D J K COVER 98 4 250 09AM y W 5 ...

Page 5: ... 0 1 R12 1 5K OUT IN GND C6 0 1 1K R11 C7 0 1 R8 82 R5 1K 1K R27 R26 1K C16 82P 68uH R25 47 1 2K R9 R10 2 7K C5 0 1 R7 330 R6 510 R4 C4 C3 0 1 100u10 1K 3 3K 1 5K C2 0 1 R1 82 C13 47P 47P C24 C26 R39 L3 C33 220P 47K R42 C29 22P R43 4 7K VCC GND 14 13 12 10 9 8 11 1 2 3 5 6 7 4 1 4W R40 75 C27 47P 15 R41 L8 C28 0 1 C1 0 1 R44 75 L1 L2 C32 47P R23 10 C14 0 1 C15 0 1 1 3 2 C31 0 1 R38 C71 0 1 C70 0 1...

Page 6: ... 45 N09 3023 05 Ax2 Ax2 Ax4 735 730 715 Bx2 Bx2 X88 1060 10 DEM 9991D OPT COAX 611x3 612 610 627 601 603 623x2 623x2 602 620 606 606 624 1 2 3 A B Parts with exploded numbers larger than 700 are not supplied DEM 9991D EXPLODED VIEW 7 DEM 9991D J K COVER 98 4 250 09AM y W 8 ...

Page 7: ...CHIP R 47 J 1 10W R26 27 RK73FB2A102J CHIP R 1 0K J 1 10W R31 32 RK73FB2A103J CHIP R 10K J 1 10W R33 34 RK73FB2A224J CHIP R 220K J 1 10W R35 RK73FB2A103J CHIP R 10K J 1 10W R36 37 RK73FB2A472J CHIP R 4 7K J 1 10W R38 RK73FB2A470J CHIP R 47 J 1 10W 601 2A A10 3420 04 CHASSIS E 601 2A A10 3420 04 CHASSIS KYMCXT 601 2A A10 3423 04 CHASSIS J 602 3A A60 1377 04 PANEL 603 1B A80 3383 04 REAR PANEL 606 3...

Page 8: ... 10W R76 RK73FB2A103J CHIP R 10K J 1 10W R77 78 RK73FB2A101J CHIP R 100 J 1 10W S1 S62 0008 05 SLIDE SWITCH D1 2 MA111 DIODE D3 5 DA204U DIODE D12 14 MA111 DIODE D15 UDZ5 1B ZENER DIODE D17 MA111 DIODE D18 U1BC44 DIODE IC1 PM4007A MOS IC IC2 HM62256BLFP 8T MEMORY IC IC3 TC74HCU04AF IC HEX INVERTER SMD IC4 NJM2100M IC OP AMPLIFIER IC5 TA7808S IC REGULATOR IC5 UPC7808AHF IC VOLTAGE REGULATOR 8V IC6 ...

Page 9: ...KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001499 074 P O Box 504 8 Figtree Drive Australia Centre Homebush N S W 2140 Australia KENWOOD LEE ELECTRONICS LTD Unit3712 3724 Level37 Tower1 Metroplaza 223HingFongRoad KwaiFongN T HongKong KENWOOD ELECTRONICS GULF FZE P O Box 61318 Jebel Ali Dubai U A E KENWOOD ELECTRONICS SINGAPORE PTE LTD No 1 Genting Lane 02 02 KENWOOD Building Singapore 349544 KENW...

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