66
1
2
3
4
5
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8
9
10
11
12
13
14
15
16
17
18
19
20, 21
22
23
24
25
26
27
28
29
30-45
46
47-49
50
51
52
53-55
56
57
58
59
IC, LC866548V-5M36
Pin No.
Pin Name
I/O
Description
IC DESCRIPTION
O-MACMD
____________
I-SCMD
O-ARDY
O-SREQ
I-MREQ
O-SURROUND
O-SRST
O-VOLCTL
P36
O-COIN
_____________
O-CKSFT
________
RST
I-DRF
I-SQOUT
VSS1
CF1
CF2
VDD1
____________
I-HOLD
I-KEY1, I-KEY2
AN3
AN4
I-CDDSW
I-SPE
P87
I-WRQ
P72
I-RMC
T0-T15
VDD3
PC0-PC2
PC3
VP
PC4
PC5-PC7
I-AMST
I-AM10K
I-LW
I-SW
O
I
O
O
I
O
O
O
O
O
O
I
I
I
—
I
O
—
I
I
I
I
I
I
I
I
I
I
—
—
I
I
—
I
I
I
I
I
I
Command output to slave microprocessor.
Command input from slave microprocessor.
Serial data send/receive preparation completion output for MD UNIT control. (TAPE
REC MUTE output).
Serial data transfer request for MD UNIT control. (FWD/RWD switching output
during TAPE PLAY/REC).
Serial data transfer request for MD UNIT control. (REC/PB switching output).
QSURROUND ON/OFF output.
Reset signal output to slave microprocessor.
Connected to VOL/P.EQ IC M62439SP pin-
!
CONT.
NC.
Connected to CD DSP LC78622E pin-56 COIN and CD ASP LA9240M pin-52 DAT.
Clock shift output. “L” at clock shift.
Microprocessor reset.
Connected to CD ASP LA9240M pin-54 DRF.
Connected to CD DSP LC78622E pin-55 SQOUT.
GND.
5.76 MHz. Connected to oscillator.
Microprocessor power supply. (µ-com 5V).
Hold state detection. (A/D).
KEY AD data input.
DECA MECA state detection input. (AD).
TAPE MUSIC SENSOR input. (A/D).
CD DOOR OPEN/CLOSE state detection input. (AD).
Spare level detection. (A/D).
NC.
Connected to CD DSP LC78622E pin-53 WRQ.
NC.
Remote control signal input.
NC.
Microprocessor power supply. (µ-com 5V).
DECK MECA state detection input.
Rotation detection of TAKE UP REEL of DECK MECA.
Connected to negative polarity power supply -VFL for FL.
Rotation detection of TAKE UP REEL of DECK MECA.
NC.
INITIAL DIODE MATRIX input.
Summary of Contents for XR-MD200
Page 6: ...6 DISASSEMBLY INSTRUCTIONS 1 Remove the two screws 2 Remove the two screws 1 2 ...
Page 13: ...14 13 BLOCK DIAGRAM IC301 LC866532A ...
Page 14: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 16 15 WIRING 1 POWER AMP AC 230V 50Hz ...
Page 15: ...18 17 SCHEMATIC DIAGRAM 1 POWER AMP Q261 262 MUTE R261 22k R262 22k 220k 220k 1000p 1000p ...
Page 16: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 20 19 WIRING 2 FRONT ...
Page 17: ...22 21 SCHEMATIC DIAGRAM 2 FRONT IC301 LC866532A 5L31 ...
Page 28: ...40 39 BLOCK DIAGRAM 1 CD ...
Page 29: ...42 41 BLOCK DIAGRAM 2 MD TO MAIN C B CN502 TO CD C B CN6 ...
Page 30: ...44 43 WIRING 1 CD 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J CD C B COMPONENT SIDE ...
Page 31: ...46 45 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J TP3 CD C B CONDUCTOR SIDE ...
Page 32: ...48 47 SCHEMATIC DIAGRAM 1 CD 1 2 DTC114TK ...
Page 33: ...50 49 SCHEMATIC DIAGRAM 2 CD 2 2 RESET 5M36 ...
Page 34: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 52 51 WIRING 2 FUNCTION ...
Page 35: ...54 53 SCHEMATIC DIAGRAM 3 FUNCTION ...
Page 59: ...81 IC BA5936 Rog CURRENT DETECTOR TERMINAL IC BA5970FP IC BA6417F ...
Page 60: ...82 IC BD7910FV IC AK4519VF ...
Page 72: ...931196 Printed in Singapore 2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 ...