Sony HCD-BX50BTi Service Manual page 43

– MAIN Board –
IC201 R5523N001B-TR-F
GATE
EN 1
CONTROL
UVLO
GND 2
THERMAL
SHUTDOWN
FLG 3
IC304 BD3499FV-E2
A1 1
A2 2
B1 3
B2 4 INPUT INPUT
SELECTOR GAIN
C1 5
C2 6
D1 7
D2 8
SEL2 9
INVERTER
SEL1 10
VOL1 11
VOLUME
VOL2 12
TC2 13
TC1 14
TREBLE/
BASS
IC311 BA6956AN
TSD
1 2 3 4 5
5 OUT
CURRENT
LIMIT
4 IN
FLAG
DELAY
28 FIL
27 GND
26 SDA
PC BUS
LOGIC
25 SCL
24 VCC
23 OUT1
SURROUND
22 SB1
21 SR
20 SB2
19 OUT2
18 BCB1
17 BCA1
16 BCA2
15 BCB2
CONTROL LOGIC
6 7 8 9
HCD-BX20i/BX50BTi
IC309, 312 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
9 B
43