Schematic Diagram - Cd Board - Sony HCD-EH15 Service Manual

7-2.

SCHEMATIC DIAGRAM - CD Board -

CN301
16P
OPTICAL
PICK-UP
BLOCK
(KSM-213CDP)
M401
(SPINDLE)
M
SP-
SP+
M402
(SLED)
M
SL+
SL-
SP-
SP+
SL+
SL-
HCD-EH15
• See page 13 for Waveforms. • See Page 21 for IC Block Diagrams.
C107 C136
0.1
47p
R142 R139
22k 47k
Q301
2SA2119K R143
R140
47k
0
AUTOMATIC POWER
C301
CONTROL
0.1
R303 C306 R301
2.2 100 C307 100k
10V 1
C302 C303
R304
10 10
2.2 C137
0.01
1
R302
0
C100
0.1
C309 C139 0.01
0.001
C106 C140 0.01
100
10V
TP122 (RFEQO)
C141 0.0022
C142 0.1
TP124 (VC)
C105
0.1
R144 22k
C143 0.01
C144
0.1
C146 470p
C145 0.01
C148
47p
C147 0.1
C149 22p
C104
0.1
R145 0
R146 0
R147 0
R148 0
R149 0
C150 0.001
R150
0
R405
10k
R402
2.2k
C404
C405 C403
0.1
0.1 0.1
IC401
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC401
IC B/D
R408
2.2k
R414
4.7k
C401
R415
220
47k
10V
• See Page 24 for IC Pin Function Description.
R127
0
R126 0
R125
R129 0
1k
C112 R120 C153 R114 C108
R134 R130
0.1 0 0.1 10k 0.1
1M 4.7k
R136 R135
22k 470k
R118
100k
IC101
CD-MP3 PROCESSOR
IC101
TC94A70FG-006
R105 1M
C118
X102
0.01
16.9344MHz
C120
0.01
C132
C123
470p
C122
470p
R102
10k
C103
0.1
C101 0.1
15 15
R212
100
R113 10k R210 100
R209 100
R218 100k R208 100
R219 100k R207 100
R220 100k R206 100
R221 100k R205 100
R222 100k R204 100
C133 0.1 R223 100k R203 100
R112 100
R111 100
IC B/D
R110 10k
C110 0.1
C207
1
C206
1
R153
1M R157 100
C115
R155 47 C151 470p
R156 100
22
6.3V
C152 470p
C116 0.1
C201 C205 IC201
100 0.1
R154 1M TK63115SCL-G@GT
R108 0
10V
C109
0.1
2
IC201 R201
0
+1.5V REGULATOR
R202
0
C202
C204
100
0.1
10V
0.1
R104
0
HCD-EH15
CN201
21P
R211 100
A
PANEL
BOARD
CNP701
(Page 17)
S201
(LIMIT)