Sony HCD-DX375, Service Manual

Page: 35 / 104

35 35
HCD-DX375
HCD-DX375
6-2. BLOCK DIAGRAM – AMP SECTION –
• Signal Path
: AUDIO IN
: TUNER
J401
AUDIO IN
IC401
AMP
+
–
6
5
7
+
–
3
2
1
Q470-473,476
MO/ST DETECT
IC402
AMP
+
–
5
6
7
GAIN CONT
ACAL
DC CONT
MO/ST DET
PLUG DET1
Q474,475
GAIN CONT
MUTING
Q360-362
IC352
AUDIO INPUT SELECTOR
4 Y3
2 Y2
5 Y1
13 X
3 Y
1 Y0
A
A SEL1 A SEL0
10
B
9
11 X3
15 X2
L-CH
R-CH
14 X1
12 X0
Q353
Q354
IC353
AMP
+
–
3
2
1
+
–
5
6
7
IC4601
A/D CONVERTER
1 LIN
LIN
12 DOUT
10
LRCK
2 RIN
RIN
11 BCK
15
SCKI
IC101 (3/3)
DVD SYSTEM PROCESSOR
220 SPDATA
AMP MCKO
AMP BCKO
AMP LRCKO
IC501 (2/4)
SYSTEM CONTROL
82 A-SEL0
83 A-SEL1
69 TUNED
TUNED
70 ST_CLK
PLL CK
PLL DO
PLL CE
PLL DI
71 ST_DO
72 ST_CE
73 ST_DI
91 ACAL MIC LEVEL
26 MIC GAIN
28 DC CONT
90 MONO/ST DET
100 MIC/A CALSW
ACAL
GAIN CONT
MO/ST DET
PLUG DET1
80 V_SEL0
81 V_SEL1
V_SEL0
V_SEL1
J200
VCR
TUNER
SECTION
L-CH
R-CH
L
L
R
R
TUNED
PLL CK
PLL DO
PLL CE
PLL DI
A
AUDIO
SECTION
(Page 36)
VIDEO
SECTION
(Page 37)
B
VIDEO
SECTION
(Page 37)
D433
D470
DC CONT
29
30
I2C CLK
I2C CLK
I2C DATA
I2C DATA
3
4
CN502
SOFT JIG
TV
L
R