Sony CMT-HX3 Service Manual page 49

– MAIN Board –
IC302 PST3629NR
OUT 1
VDD 2
–
+
VREF
GND 3
IC304 R2S15904SP
28 27 26
MUTE
INPUT
SELECTOR
1 2 3
5 CD
4 NC
25 24
MODE
SELECTOR
INPUT GAIN
INPUT
CONTROL
SELECTOR
4 5 6 7
IC303, 310 MC14052BDTR2
2Y0 1
2Y2 2
2-COM 3
2Y3 4
2Y1 5
INH 6
GND 7
GND 8
23 22 21 20 19 18
MCU
I/F
REF
SURROUND
MUTE
INPUT GAIN
CONTROL
8 9 10 11
HCD-HX3/HX5/HX7
16 VCC
15 1Y2
14 1Y1
13 1-COM
12 1Y0
11 1Y3
10 A
9 B
17 16 15
TONE CONTROL
L-CH BASS/TREBLE
TONE CONTROL
R-CH BASS/TREBLE
12 13 14
47