Read Sony HCD-BX3 / HCD-DX3 / MHC-BX3 / MHC-DX3 Service Manual online
41
Pin No.
1
2
3
4
5
6
7
8
9-10
11
12-14
15
16
17-19
20
21-25
26
27
28
29
30
31
32
33-49
50
51
52-85
86
87
88
89
90
91
92
93-94
95
96
97
98
99
100
I/O
I
I
I
I
O
O
O
O
O
O
O
O
O
I
I
I
I
O
O
—
—
—
—
O
O
—
O
I
—
—
I
—
O
I
I
I
O
O
O
I
I
Description
VOLUME A signal input.
VOLUME B signal input.
Head phone detect signal input. H=ON, L=OFF
Not used.
TUNER LED driver output.(high active)
CD LED driver output.(high active)
TAPE A/B LED driver output.(high active)
MD/VIDEO LED driver output.(high active)
Not used.
GROOVE LED driver output.(high active)
Not used.
REC/PAUSE LED driver output.(high active)
SURROUND LED driver output.(high active)
KEY input. (AD)
BPF input. (AD)
BPF input. (AD)
BPF input. (AD)
TIMER SEL LED driver output.
STANDBY LED output.
Ground.
Ground.
Analog reference voltage.
Power supply (+5V)
FL gride signal output.
FL segment signal output.
Power supply (+5V)
FL segment signal output.
Not used.
–]30V driving power for FL.
Power supply (+5V)
12.5MHz (Xin)
Ground.
12.5MHz (Xout)
RESET (low active)
Not used.
Connected to ground.
WAKE UP signal output for master controller. (PULL UP)
IIC SDA
IIC SCL
Not used.
Remote commander input. (input capture)
Pin Name
VOLUME A
VOLUME B
HEADPHONE
N.C
TUNER
CD
TAPE A/B
MD/VIDEO
N.C
GROOVE
N.C
REC/PAUSE
SURROUND
KEY0-2
Super Low Freq (BPF 0)
BPF1-5
ALL BAND
TIMER
STANDBY
VSS
VASS
AVREF
VDD
G17-1
P1
VDD VFT
P2-35
N.C
VKK
VDD
Xin
VSS
Xout
RESET
N.C
TEST
WAKE UP
I2C data
I2C clk
N.C
SIRCS
• PANEL BOARD IC601 TMP88CP77F-1A22 (DISPLAY CONTROL)
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