Schematic Diagram - Cd Board - Sony HCD-BX50BTi Service Manual

6-6.

SCHEMATIC DIAGRAM - CD Board -

CN301
16P
OPTICAL
PICK-UP
BLOCK
(KSM-213DCP)
M401
(SPINDLE)
M
SP-
SP+
M402
(SLED)
M
SL+
SL-
SP-
SP+
SL+
SL-
HCD-BX20i/BX50BTi
• See page 42 for Waveforms. • See page 42 for IC Block Diagrams.
C107
C136
0.1
47p
R142
22k
Q301
R143
2SA2119K R140
47k
AUTOMATIC POWER 0
C301
CONTROL
0.1
R303 C306 R301
2.2 100 C307 100k
10V 1
C302 C303
R304
10 10
2.2 C137
0.01
31
R302
0
C100
0.1
C309 C139 0.01
0.001
C106
C140 0.01
100
10V
TP121 (RFI)
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 45 for IC Pin Function Description.
R127
0
R126 0
R125
0
R139 R129
47k 1k
C112 C153 C108
R134 R120 R114
R130
0.1 0.1 0.1
0 10k
1M 4.7k
R136 R135
22k 470k
R118
100k
IC101
CD-MP3 PROCESSOR
IC101
TC94A70FG-006 (D, HZ
R105 1M
C118
X102
0.01
16.9344MHz
C120
0.01
C123
470p
C122
470p
R102
10k
C103
0.1
C101 0.1
27 27
R212
100
R113 10k
R218 100k
R219 100k
R220 100k
R221 100k
R222 100k
C133 0.1
R223 100k
R112 100
R111 100
IC B/D
R110 10k
C110 0.1
C207
1
C206
1
R153
1M R157 100
C115
C151 470p
R155 47 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
32
R201
IC201
0
+1.5V REGULATOR R202
0
C202
C204
100
0.1
10V
C132 0.1
R104
0
HCD-BX20i/BX50BTi
CN201
21P
R211 100
R210 100
R209 100
A
R208 100
R207 100
MAIN
R206 100
BOARD(1/3)
R205 100
CN305
R204 100
(Page 33)
R203 100
S201
(LIMIT)