69
36
37
38
39, 40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
TES
HFL
SLOF
CV–, CV+
RFSM
RFS–
SLC
SLI
DGND
FSC
TBC
NC
DEF
CLK
CL
DAT
CE
DRF
FSS
VCC2
REFI
VR
LF2
PH1
BH1
LDD
LDS
VCC1
O
O
I
I
O
I
O
I
—
O
I
—
O
I
I
I
I
O
I
—
—
O
I
I
I
O
I
—
Pin from which TES signal is output to DSP.
“High Frequency Level” is used to judge whether the main beam position is on top of
bit or on top of mirror.
Sled servo off control input pin.
CLV error signal input pin from DSP.
RF output pin.
RF gain setting and EFM signal 3T compensation constant setting pin together with
RFSM pin.
“Slice Level Control” is the output pin which controls the RF signal data slice level by
DSP.
Input pin which control the data slice level by the DSP.
Digital system GND.
Output pin to which external focus search smoothing capacitor is connected.
“Tracking Balance Control” EF balance variable range setting pin.
No connection.
Disc defect detector output pin.
Reference clock input pin. 4.23 MHz of the DSP is input.
Microprocessor command clock input pin.
Microprocessor command data input pin.
Microprocessor command chip enable input pin.
“Detect RF” RF level detector output.
“Focus Search Select” focus search mode (± search) select pin.
Servo system and digital system Vcc pin.
Pin to which external bypass capacitor for reference voltage is connected.
Reference voltage output pin.
Disc defect detector time constant setting pin.
Pin to which external capacitor for RF signal peak holding is connected.
Pin to which external capacitor for RF signal bottom holding is connected.
APC circuit output pin.
APC circuit input pin.
RF system Vcc pin.
Pin No.
Pin Name
I/O
Description
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 ...