Schematic Diagram - Bd90 Board - Sony HCD-EC55 Service Manual

HCD-EC55/EC77/GX99
Ver. 1.2
7-5. SCHEMATIC DIAGRAM — BD90 BOARD —
CN301
16P
TP305
TP304
OPTICAL
TP301
PICK-UP
TP302
BLOCK
TP303
KSM-213DCP
TP306
TP307
TP313
M401
(SPINDLE)
SP-
M
TP407
SP+
TP408
SL+
M
TP409
SL-
TP410
M402
(SLED)
SP-
SP+
SL+
SL-
HCD-EC55/EC77/GX99
• See page 48 for Waveforms. • See page 48 for IC Block Diagram. • See page 51 for IC Pin Function Description.
C107
C136
0.1
47p
R142 R139
22k 47k
Q301
2SA2119K R143
R140
47k
AUTOMATIC POWER
0
C301
CONTROLLER
0.1
R136 R135
TP314
22k
IOP1
TP315
IOP2 R303 C306 R301
2.2 100 C307 100k
10V 1
C302 C303
R304
10 10
2.2 C137
TP312
0.01
APC
R302
0
C100 C139 0.01
0.1
C309
0.001
C140 TP120
C106
0.01
100 10V
RFI
C141
0.0022
TP121
C142
0.1 TP122
TP124
C105
0.1
R144
22k
C143
0.01
C144 0.1
C147
C146 470p 0.1
C145 0.01
C148 47p
TP123
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
IC B/D SL/SP/MOTOR DRIVER
FOCUS/TRACKING
COIL DRIVER
IC401
R408
2.2k TP103 SLED
R414
4.7k TP104 SPDL
C401
R415
220
47k
10V
R127 0
R126 0
R125
R129 0
1k
C112 C153 C108
R120
R134 R130 R114
0.1 0.1 0.1
0
1M 4.7k 10k
470k
R118
100k
1
IC101
RF AMP, DSP, MP3
IC101
TC94A70FG-006
2
R105 1M
C118
X102
0.01
16.934MHz
C120
0.01
C130
5p
C128
C103 5p
TP102
0.1
TRK
C132 0.1
C123
TP101
470p
FCS
S201 (LIMIT)
IL-SW
C122
470p
VC
R102 10k
C101
0.1
34 34
R212 100
TP116
TP115
TP114
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
R111 100
R110 10k R112 100
TP224
D1.5V
C110
0.1
C109 0.1
C207
1
IC201 C206
TK63115SCL-G@GT 1
R153
1M R157 100
C115
C151 470p
R155 47 R156 100
22
6.3V C152
470p
C116 0.1
C201 C205
IC201 IC B/D
100 0.1
10V
+1.5V REG
R154
R108 0
1M
R201
TP225
0
R202
TP226
0
C202 C204
100 0.1
10V
R104
0
CN201
21P
TP205
R211 100 TP206
TP207
TP208
TP209
TP210
TP211
TP212
TP213
TP214
A
TP215
TP216 MAIN
TP217 BOARD(2/2)
TP218 CN608
TP219
( (
SUFFIX-12
TP220 Page 37
TP221
( SUFFIX-13,-14 (
TP223
SUPPLEMENT-1
TP222
Page 5