Sony HCD-HX7 Service Manual - Page 47
Ic302, Pst3629nr, Ic303, 310, Mc14052bdtr2, Ic304, R2s15904sp
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Page 47 highlights
- MAIN Board - IC302 PST3629NR OUT 1 VDD 2 - + VREF GND 3 HCD-HX3/HX5/HX7 5 CD 4 NC IC303, 310 MC14052BDTR2 2Y0 1 2Y2 2 2-COM 3 2Y3 4 2Y1 5 INH 6 GND 7 GND 8 16 VCC 15 1Y2 14 1Y1 13 1-COM 12 1Y0 11 1Y3 10 A 9B INR4 LOUT ROUT AGND VCC REFIN DATA CLK DGND TRER TREL NC NC BASSL2 IC304 R2S15904SP 28 27 26 INPUT SELECTOR MUTE 25 24 23 22 21 20 19 18 17 16 15 MODE SELECTOR MCU I/F REF SURROUND TONE CONTROL L-CH BASS/TREBLE INPUT SELECTOR MUTE INPUT GAIN CONTROL INPUT GAIN CONTROL TONE CONTROL R-CH BASS/TREBLE VOLUME VOLUME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 INR3 INR2 INR1 INL1 INL2 INL3 INL4 IGOUTL VOLINL IGOUTR VOLINR BASSR1 BASSR2 BASSL1 47
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47
HCD-HX3/HX5/HX7
– MAIN Board –
IC302
PST3629NR
VDD
2
OUT
1
GND
3
+
–
VREF
CD
5
NC
4
IC303, 310
MC14052BDTR2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y0
1Y2
VCC
1Y1
1-COM
1Y0
1Y3
A
B
GND
GND
INH
2Y1
2Y3
2-COM
2Y2
IC304
R2S15904SP
24
23
22
MCU
I/F
TONE CONTROL
L-CH BASS/TREBLE
SURROUND
21
20
25
26
27
28
INR4
LOUT
ROUT
AGND
VCC
REFIN
DATA
CLK
DGND
TRER
TREL
NC
BASSL2
NC
INR3
INPUT
SELECTOR
INPUT
SELECTOR
INPUT GAIN
CONTROL
INPUT GAIN
CONTROL
MUTE
MUTE
REF
MODE
SELECTOR
VOLUME
VOLUME
INR2
INR1
INL1
INL2
INL3
INL4
IGOUTL
VOLINL
IGOUTR
VOLINR
BASSR1
BASSL1
BASSR2
19
18
17
16
15
1
2
3
5
6
7
8
9
4
10
11
12
13
14
TONE CONTROL
R-CH BASS/TREBLE