Schematic Diagram - Main Section (1/2) - Sony ZS-Y3 Service Manual

ZS-Y3
5-9. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) –
(1/2)
R204 R104 R205
1k 1k 10k
R203 R103
2.2k 2.2k
C101 C117
2.2 1
R102
50V 50V
10k
CD-LCH
CD-RCH
C201 R202 C217
2.2 50V 10k 1 50V
TU-LCH
C102
1
TU-RCH
C202 C218
C204
1 1
4.7
50V
C104
4.7
25V
INPUT SELECT,
ELECTRICAL VOLUME,
SURROUND TONE
CONTROL
IC301
BD3870FS-E2
(Page 25)
C303
R112
0.47
4.7k
50V
A-GND
R305 100
V-DATA
R306 100
V-CLK
V-CHECK
MEGA BASS
CD ON
A-MUTE
P-CON
AC-HI
U-COM(VDD)
9.0V SW
6.0V
CD 6.0V
P-GND
CD 3.3V
D.GND
R-VT
S-GND
C960 C958
C959 R965 C957
220 220
0.1 10k 0.01
10V 10V
ZS-Y3
• See page 31 for IC Block Diagram.
R105
10k
C105
0.001
C205
0.001
C118 C106
1 0.001
C206
0.001
C107
0.1
C207
0.1
R114 R115
2.2k 1k
C304
47
C113
10V
0.0047
C111
4.7 R116 C112
25V 220 0.0022
Q101,201
MEGA BASS
D301 CONTROL
DAN202U-T
-106
R119
4.7k
C325
R324
10 2SC4081-T106S
R107 1M
16V
2.2k
R207 R309
2.2k 10k
C211
4.7 R219
25V 4.7k
2SC4081-T106S
C306
100p
C305
100p
R308 R302
10k 100
C301
R212 C302
100
4.7k 0.01
10V
R307 R301
10k 100
R304 R303
10k 10k
R321
2.2k
Q954
2SD2394-F
+6.2V
REGULATOR
Q956
KTC3205-Y-AT
+3.3V REGULATOR
R964 R963
Q957
100 220
DTA143ZUA-T106
Q957,958
CD ON SWITCH
C955
220 C953
10V 470
Q958
10V
DTC114YUA-T106
POWER AMP
IC302
BA5417
R117 R121
470 4.7k
R118
0
C322
R322
47
1k
10V
Q101 C114
R120
1 C123 C223
47k
50V 47 47
10V 10V
C214
R220
1
47k
50V
Q201
R218
0
R217 R221
470 4.7k
R214 R215
2.2k 1k
R216 C213
220 0.0047
Q121 Q221
2SD2652T106 2SD2652T106
C212
0.0022
Q121,221
MUTING
C321
R127 R227
22
4.7k 4.7k
25V
Q952
R961 R960 R959 R325 R326 KTA1273-Y R956 R953
1k 1k 1k 1k 1k -AT 47k 2.2k
C951 D955
0.01 ISS355TE-17
R958 R957
2.2k 2.2k
Q951
DTC143ZUA-T106
Q951-953
B+ SWITCH
Q953
2SC4081-T106Q
C326
C952 D953
220
0.01 UDZSTE-176.8B
16V
24 24
R130 R125
0 4.7k
R230 R225
R323 C324 0 4.7k
10k 0.22
C224 C124
100 100
10V 10V
C126
1000
10V
C225 C125
C226
0.1 0.1
1000
10V
R224 R124
2.2 2.2
CN301 CN321
4P 4P
L CH L CH
L GND L GND
R CH R CH
R GND R GND
CN303
3P
AC.HI
+B
GND
(Page 29)
R952 R951 R950
2.2k 2.2k 2.2k
C950
1000
R954 16V
10k
R955 D951
10k DAP202U-T-106
J321
R126 100
R226 100
CN322
4P
L CH
SP101
L GND
(L-CH)
R CH
SP201
R GND
(R-CH)