Sony HCD-GX450 / MHC-GX450 Service Manual ▷ View online
25
25
HCD-GX450
– SUB-WOOFER SECTION –
DETECT
SWITCH
OVERCOAR
DETECT
CN501
IC501
AMP
RY501
JK501
SUB WOOFER OUT
Q501
Q502
Q507
Q503
SW-SIG-IN
GND
SW-LIMIT
SW-SENCE
C
MAIN
SECTION
CN502
GND
OVERLOAD/DC
RELAY+
+B
+B
RELAY-
E
MAIN
SECTION
CN503
2
PT-2
3
SW IN
8
12
-RE
13
+RE
DETECT
Q506,Q505
DETECT
CONTROL
26
26
HCD-GX450
5-2. PRINTED WIRING BOARD – BD81A SECTION –
• See page 21 for Circuit Boards Location.
•
: Uses unleaded solder.
Ref. No.
Location
IC101
D-7
IC251
C-6
IC301
C-7
IC303
B-7
Q10
E-4
• Semiconductor
Location
IC251
IC101
IC301
IC303
OPTICAL
PICK-UP
BLOCK
(KSM–215DCP)
CONNECT
BOARD
CN251
(Page 33)
SPINDLE
MOTOR
SLED
MOTOR
(LIMIT)
4
5
1
3
1
2
A
B
C
D
E
3
4
5
6
7
8
9
E
C 3 0 3
C 3 0 5
C 3 1 5
C 3 1 6
C 3 1 4
C 3 1 2
R 3 0 2
R 3 5 3
R 3 5 2
C 3 0 8
C 3 1 8
C 1 8 4
C 2 1 0
R 1 6 2
R 1 9 1
C 1 7 2
R 1 7 2
C 3 0 1
C 1 8 3
R 2 0 5
R 2 0 1
C 2 0 1
C 2 0 3
C 1 5 1
R 1 2 1
C 1 2 3
C 1 9 5
C 1 6
Q 1 0
C 1 7
C 1 1 6
C 2 5 9
C 2 5 8
C 2 5 7
C 2 6 0
M 1 0 1
C 3 2 0
R 2 5 2
C 3 0 6
R 4 1 9
C 3 1 3
R 4 0 3
R 3 0 1
M 1 0 2
R 3 0 3
R 4 0 7
C 1 6 3
R 1 6 3
C 1 1 5
C 1 1 2
C 1 1 1
R 1 1 1
C N 1 0 1
C 1 2 2
C143
R 2 0 3
R 1 4 2
C 1 4 1
C 1 4 2
R 1 3 3
C 1 6 1
C 3 1 0
R 4 0 9
C 2 1 1
S 1 0 1
FB301
R165
C182
C209
X171
X172
R171
C171
C174
R173
C196
C134
C125
C15
C11
C10
C18
R11
R12
R13
R10
C14
R 3 1 3
C302
R405
R351
C255
C252
R251
C251
C114
C113
R113
R114
R112
C124
C194
R412
R406
C181
C162
R161
R204
R181
R182
C186
C185
CN202
CN201
R410
R 4 0 1
R 4 0 2
R 3 0 5
C 3 1 7
R151
C152
C133
C132
R132
R141
R131
C131
R143
C307
R307
C309
R411
R404
C304
C311
R 3 0 6
R304
C212
R408
C213
R253
R354
27
27
HCD-GX450
5-3. SCHEMATIC DIAGRAM – BD81A SECTION –
• See page 46 for IC PIN FUNCTION DESCRIPTION.
TP165
TP166
TP178
TP
144
TP1
47
TP15
3
TP186
TP187
TP167
T
P
16
0
TP
162
TP177
TP
145
T
P14
8
TP
121
TP
12
2
TP
123
C305
JPO004
JPO10
TP
250
TP
301
301
TP302
TP303
TP304
TP103
TP104
TP105
T
P
146
R161
R
16
3
R351
R352
R353
R354
R401
R402
R403
R404
R405
R406
R407
R408
R409
R411
R412
R419
R11
R
19
1
R
1
32
R251
R253
R12
R
142
R
1
43
R10
JPO102
JPO103
M101
S101
C15
C17
C115
C116
C1
22
C125
C
132
C1
33
C134
C
141
C
1
42
C143
C151
C161
C181
C194
C201
C203
C252
C255
C
257
C303
C306
C308
C309
C310
C311
C312
CN101
R
121
R171
C171
C313
C314
C183
C184
TP420
TP421
TP422
TP423
TP424
R252
T
P
4
25
TP
426
C259
TP427
TP428
TP429
TP430
TP431
TP432
R13
Q10
C16
C12
3
C260
R172
C
12
4
R
133
R313
TP433
TP436
C316
C10
C11
C162
C317
C315
C307
TP401
TP407
TP406
TP405
TP404
TP403
TP402
TP408
TP410
TP434
TP417
TP416
TP415
TP414
TP413
TP412
TP419
TP411
TP435
TP409
TP19
TP18
TP17
TP16
TP15
TP102
TP14
TP13
TP12
TP11
TP10
C195
C182
C174
R
13
1
C1
31
C18
R301
FB301
R303
R182
R181
X171
C172
R173
R203
IC303
R302
R162
R
165
C211
C210
C212
R
15
1
R205
R410
C320
C213
C13
CN201
C185
C186
C163
C1
96
C
15
2
C318
R
306
IC251
C258
C251
C302
M102
TP
25
3
TP
25
2
TP
25
1
C111
R112
R114
R111
R113
C112
C113
C114
R193
C2
09
R305
IC301
R
1
41
IC101
R307
TP
125
T
P
124
T
P
142
TP149
R204
R201
MIRR
DFCT
FOK
X
U
G
F
XP
C
K
GFS
MVDD
MGND
LOCK
W
D
C
K
C
O
U
T
VC
W
FC
K
SB
SO
R
FD
C
O
220
4V
MDP
APC
S
P-
LRCK
PCMD
BCK
C
2P
O
100
10
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
0
0
10k
10k
10k
100k
1k
3
.3k
3.3
FEI
TEI
SW
0.1
F
220
4V
0.1
F
100
10V
10V
0.1
B
0.1
F
0
.47
B
0.0
1
B
0.1
F
0.1
B
0.0
01
5
B
0.1
F
100
10V
10V
0.1
F
0.1
F
0.1
F
100
10V
10V
100
10V
10V
0.1
F
0.1
F
0
.1
F
0.1
F
0.1
F
47
4V
4V
0.1
F
0.1
F
0.1
F
0.1
F
16P
15k
0.1
F
47 4V
22 6.3V
22 6.3V
AGND
DGND
MP3GND
IOP1
IOP2
22k
SW
+
SW
-
PCMDI
FRDR
FFDR
TRDR
TFDR
MDP
1
2SB1690K
1
F
F
0.1
B
220 10V
330
p
CH
180k
220
MP3VDD
AVDD
0.0022
B
10
6.3
B
10
6.3
B
0.1
F
0.01
B
0.1
B
0.1
F
MP3STB
MICS
MILP
MIDIO
MICK
MIACK
MP3REQ
MP3RST
ROUT
AVDD
SCOR
SENS
CLK
XLT
DATA
XRST
XTCN
LOUT
DVDD
DOUT
F-
T-
F-
F+
PD
F
C
B
A
D
E
0.1
F
0.1
F
0.1
F
1M
10
0p
C
H
0.001
B
100k
BLM21B272S
100k
100
100
0
0
BH15FB1W
10k
47k
220p
CH
0.1
B
22p CH
0
0
100
0
22p CH
NM
2200p
CH
2200p
CH
0.1
0.1
1
0.01
B
0
0.0068
B
0.1
F
SL-
SL+
S
P
+
0.0033
B
15k
15k
1k
1k
470p
0.0033
470p
B
NM
0
.01
B
100k
TC94A34FG-002
4
.7k
CXD3059AR
10k
R
FA
CI
R
F
A
C
O
EXC
K
0
0
470
22p CH
0.1
F
1M
16.9MHz
27p CH
0
27P
BA5947FM
(HSOP28)
(HSOP28)
0.1
28
28
HCD-GX450
5-4. PRINTED WIRING BOARD – CD MECHANISM SECTION –
• See page 21 for Circuit Boards Location.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
(LEVER SW)
CN751
S751
IC731
CN731
CN741
CN742
C715
C731
C735
C736
R701
R711
R731
R721
R722
R723
R735
R732
R733
R734
D701
D711
Q731
C751
IC712
IC701
CN704
C737
R713
R712
C741
R702
JW702
JW703
JW704
JW705
JW706
JW707
JW708
JW711
CN703
CN702
CN705
R751
C752
CN701
JW712
JW701
JW709
JW710
JW713
JW714
CN721
MAIN
BOARD
CN301
(Page 30)
Ref. No.
Location
D701
D-6
D711
D-7
IC701
F-6
IC712
F-7
IC731
E-11
Q731
C-9
• Semiconductor
Location
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