Schematic Diagram - I/O Board - Sony HCD-LF10 Service Manual

6-25. SCHEMATIC DIAGRAM – I/O Board –
CN203
12P
VIDEO MUTE
VIDEO SW
SYS.RESET
D GND
M REQ
IIC-CLK
IIC DATA
D-FIL_SELEXT
(Page 56) D-FIL_INIT
WIDE
I/P_SW
P.CONT
CN201
17P
WIDE
I/P SW
V5V
VGND
CR/B_GND
CR/B
CB/R_GND
CB/R
Y/G_GND
(Page 51)
Y/G
C_GND
C
V_GND
V
V_GND
VMUTE
VIDEO.SW
CN103
2P
TO +15V(AUDIO)
SA-WSLF10
A-GND
(SYSTEM CONNECTOR)
(CHASSIS)
CN101
25P
DGND
D-OUT
D+3.3V
D.GND
A-GND
ANALOG-IN_L
A-GND
ANALOG-IN_R
AUDIO_5V
AUDIO_GND
DOWNMIX-L
A-GND
DOWNMIX-R
(Page 53) A-GND
FRONT-L
A-GND
FRONT-R
A-GND
CENTER
A-GND
SURROUND-L
A-GND
SURROUND-R
A-GND
SW(LFE)
HCD-LF10
• See page 64 for Waveforms. • See page 66 IC Block Diagrams.
R214 0
R213 0
R212 470
D201
1SS355
R216 0
R215 0
C209
1 50V
C208 1 50V
R203 10k
C207
1 100 6.3V
50V
C204
1 50V
C203 1 50V
C202 1 50V
R201
FL201
Q003-005
B+ SWITCH Q004
D941 2SB1124
1SR154
Q003
R066
DTC124EKA
C001 2.7k
-T146
0.1
R067
D901
10k
1SS355
D902
1SS355
+10V REGULATOR
C141
C142
22
0.1
16V
R103 R102 C103
2.7k 4.7k 220p
C101 R101 C102
10 4.7k 100p
C143 16V
0.01 JW106
0
JW103 0
C152
100p
JW101 0
C151 R151 R152
C153
10 4.7k 4.7k
JW102 0 220p
16V R153
2.7k
FB101
0
JW105
0
R113
C113
2.7k
220p
C111 R111 R112
C112
10 4.7k 4.7k
100p
16V
C162
100p
C161 R161 R162
10 4.7k R163 4.7k
16V 2.7k
C163
220p
R123 1123
2.7k 220P
C122
C121
R121 R122
100p
10
4.7k 4.7k
16V
C172 R172
100p 4.7k
C171
R171 C173
R173
10
4.7k 220p
16V 2.7k
D202
1SS355
C217
470 4V
C216
VIDEO AMP,
470 4V
75Ω DRIVER
IC201
C215
MM1623BFBE
470 4V
C210
470 4V
C211
470 4V
JW203 0
C212
470 4V
C205
C206
0.01
C214
0.01
10k
R209
C200 10k
C201
100
0.01
6.3V
L201 JW201 JW202
47µH 0 0
IC905
µPC2910
C941
10
+10V REGLATOR
16V
I O
G
C921
C943 C944
0.1
0.1 0.1
C931
Q005 C942
10
2SA812 100
16V
16V
IC901
µPC2910
I O
G
C145 C147
C146
10 C148 10
0.1
16V 0.1 16V
IC101(2/2)
6
NJM2140R
7 LINE AMP
5
8
R105 C104
R106
100 10
100k
16V
C155
C105 R157 R107
3 10
0.01 4.7k 4.7k
1 16V C106 R156
2 1 100k
C156 50V
C107
4 10
0.01 C154
16V
R155 10
IC101(1/2)
100 16V
NJM2140R
R115
IC102(2/2) C116 C114
100
NJM2140R 1 10
6
50V 16V
7
5 R116
8 R117 100k
4.7k
3 C115
1 0.01 R166
2 100k
C165 R167
4 10 4.7k
R165
16V
100
IC102(1/2) C164
NJM2140R 10
R125 16V
100
LINE AMP
IC103(2/2)
C126
NJM2140R C124
1
6 10
50V
7 16V
5
8 R127
4.7k
3 C125
1 0.01
2
C175 R177 C174
4
10 4.7k R175 10
16V 100 16V
IC103(1/2)
NJM2140R
LINE AMP
59 59
CN204
9P
VIDEO MUTE
VIDEO SW
SYS.RESET
D GND
M REQ
IIC-CLK
IIC DATA
(Page 49)
D-FIL_SELEXT
D-FIL_INIT
R204 FB201
68 0
R205 FB202
68 0
CN202
R206 FB203 8P
68 0
Y/G
R207 FB204
Y/G_GND
68 0
C/CVBS
TO
C_GND
SA-WSLF10
CR/B
(SYSTEM CONNECTOR)
CR/B_GND
CB/R
CB/R_GND
IC907 (CHASSIS)
µPC2905
I O
G +5V REGULATOR
C925
0.1
C920
100
6.3V
IC902
µPC2905
C1001
I G O 100
16V
C150 C149
22 0.1
16V
+5V REGULATOR
C144
0.01
CN102
7P
FRONT-L
FRONT-R
SURROUND-L
TO
SURROUND-R SA-WSLF10
(SYSTEM CONNECTOR)
CENTER
SW(LFE)
A-GND
D101 D102
1SS355 1SS355
R126
100k
(CHASSIS)
R176
100k
HCD-LF10