Schematic Diagram - Main Board (1/2) - Sony SS-CPX1 Service Manual

HCD-CPX1
6-11. SCHEMATIC DIAGRAM – MAIN Board (1/2) – •
CN221
19P
M+11.5V
MGND
TC TRIG 58
TC CAPM 59
+3.3V
TC END-SW 90
TC HALF-REC 91
TC PLAY 38
BIAS-ON/OFF 42
REC/PB 43
LINE-MUTE 40
REC-MUTE 41
(Page 29) ALC 80
PB-R Z1
REC-R Z2
PB-L Z3
REC-L Z4
A-GND
A+9V
CN211
11P
ST CLK 27
ST DOUT 25
ST DIN 23
FM 75Ω ST CE 22
COAXIAL
TUNER UNIT +9V
SUPPLIED WITH TUNED 57
ANTENNA
THE ASSEMBLED
STEREO 34
BLOCK
AM
L OUT Z5
AGND
R OUT Z6
ST MUTE 21
J101
2P
FB121 R101
L
0 10k
MD(VIDEO)
IN
FB123
R
0
C141 FB122 R151
1000p
0 10k
CN301
2P
GND
+10-12V
EP101
(Page 39)
(CHASSIS) CN101
21P
A+5V
AGND
L-IN
AGND
R-IN
P-DOWN
DGND
D+3.3V FB101
INIT
NSP MUTE
DGND
SC LATCH
SC SHIFT
(Page 35)
SCDT
D+5V FB102
DGND
D+6.2V FB103
DGND
ENA
SP-RELAY
DIAGNOSTIC
See page 40 for IC Block Diagram.
(1/2)
C108 R103
0.0027 3.9k
C102 C106
1 1 C111
R133
50V 50V 10
100
50V
C152 C161
1 10
50V 50V
C156
1
50V
C133
C158 R153 C132
100
0.0027 3.9k 0.1
10V
R154
1k
R157
10k
Q151
R155
2SC3624
10k
R102 C101 MUTING
8.2k 220p
Q121,122
R152 C151 R106 MUTING CONTROL
8.2k 220p 10k
Q101 SWITCH
R105
2SC3624
10k
MUTING Q122
DTC114EKA
R104
1k
Q181
C183 2SC3624
R122 R172 R183
100
100k 100k 10k RIPPLE
10V
FILTER
C121
10 R121 C123 R123 C122
50V 1k 10 50V 4.7k 1000p
73
49
48
47
46 HEADPHONE AMP
IC102
45
NJM4580MD
C171
10
R171
50V
1k
55
C173
R173
10 50V 4.7k
61
R132 R131
100 100
Q201
2SC3624
R221
MUTING
10k
Q202
2SC3624
R222
MUTING
10k
IC101
LC75342
Q203
DTA114EKA
Q203,204
MUTING CONTROL
SWITCH
Q204
DTC114EKA
INPUT SELECT SWITCH,
ELECTRICAL VOLUME,
TONE CONTROL
C131
100
10V
Q121
DTA114EKA
Q180
2SC3624
R181
2.2k RIPPLE
FILTER
C182 C181 C180
R182 R180
1 100 220
2.7k 4.7k
50V 10V 10V
R124 22k
C124
220
10V
Q185
DTC114EKA
C185
Q184,185
1
MUTING CONTROL 50V
VCC
SWITCH
GND
Q184
DTA114EKA
C174
220 R175
10V 47
C172 R174
1000p 22k
32 32
D302
1SS355TE
+4V REGULATOR
IC304
+4V REGULATOR
BA09T (US,CND)
IC301
TA7809S (SP,KR,AUS) µPC3504AHF
O I I O
G G
D301 D303
10EBD40 10EBD40
C319 C318 C301 C312 C313
470 0.1 4700 0.1 470
10V 50V 16V 50V 10V
Q301
RT1P137S
Q301,302
CD ON SWITCH
Q302
DTC114EKA
+5V REGULATOR +7V REGULATOR
IC302 IC303
TA7805S TA7807S
O I I O
G G
C315 C314 C316 C317
D304
100 0.1 0.1 470
10EBD40
10V 50V 50V 10V
R185 R184 R125
1k 1k 47
Q183 Q182
2SC3624 2SC3624
HEADPHONE HEADPHONE
R176 R126
MUTING MUTING
100k 100k
A1
A2
A3
A4
C321
470
10V
A5
(Page 33)
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15