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HCD-GT22/GT44/GT55
29
29
HCD-GT22/GT44/GT55
7-6. SCHEMATIC DIAGRAM – CD Board –
•
See page 36 for Waveforms.
•
See page 58 for IC Block Diagrams.
•
See page 61 for IC Pin Function Description.
OPTICAL
PICK-UP
BLOCK
(KSM-213DCP)
M
M
DATA
CLK
+
+
+
R224
100
R121
100
R108
R109
100
R154
R153
C201
R304
R201
R110
R303
R203
R204
R205
R206
R207
R208
R209
R210
R219
R223
R222
R221
R218
R112
R202
R211
Q301
R301
C202
R157
TP121 (RFI)
TP124 (VC)
R156
CN301
R101
C401
R415
R102
R128
R129
R143
R142
R139
R114
R140
R151
R220
R150
R212
R105
R106
IC201
X102
C301
C307
C309
C100
C138
C153
C151
C204
C130
C128
C113
C127
C126
C103
C102
C120
C118
C117
C101
C124
C125
R145
R146
R147
R148
R149
C149
C105
C143
C146
C145
C148
C104
C405
C404
C403
C205
C116
C133
CN202
C110
R111
C115
R155
C109
C132
R104
C123
C122
C139
C150
R136 R135
R134
C112
C108
R119
R118
C136
C107
R130
R144
C144
C147
C140
C137
C141
C142
C106
R302
C306
C303
C302
R405
R402
R408
R414
C207
C152
C206
1M
1M
100
10V
2.2
0
10k
2.2
100
100
100
100
100
100
100
100
100k
100k
100k
100k
100k
100
0
100
2SA2119K
100k
100
10V
100
100
16P
220
220
10V
47k
10k
470k
1k
47k
22k
47k
10k
0
0
100k
0
TK63115SCL-G@GT
0.1
1
0.001
0.1
470p
470p
0.1
0.1
0.0022
0.1
0.1
0.1
0.01
0.01
0.022
C119
0.022
0.1
0.0047
0.0047
0
0
0
0
0
22p
0.1
0.01
470p
0.01
47p
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
100
22
6.3V
47
0.1
0.1
0
470p
470p
0.01
0.001
22k
470k
1M
0.1
0.1
47p
0.1
4.7k
22k
0.1
0.1
0.01
0.01
0.0022
0.1
100
10V
0
100
10V
10
10
10k
2.2k
2.2k
4.7k
1
470p
1
SP-
SP+
SL+
SL-
100
R213
100
R214
100
R216 100
1M
1k
16.9344MHz
5p
5p
27P
0
100k
IC201
+1.5V REGULATOR
SP-
SP+
SL+
SL-
M401
(SPINDLE)
M402
(SLED)
AUTOMATIC POWER
CONTROL
S201
(LIMIT)
0.1