Read Sony CMT-DC500MD / HCD-J300 Service Manual online
67
HCD-J300
• IC306 M30622MGA-A66FP MASTER CONTROL (MAIN BOARD)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
I/O
I
O
O
I
O
O
O
—
—
I
O
I
O
—
I
—
I
I
I
O
O
O
I
O
O
O
O
O
O
O
—
I
O
O
O
O
O
O
O
I
I
O
O
O
I
—
—
O
O
O
I
Pin Name
AC-CUT
POWER-ON
XTSL
SIRCS
DA_MUTE
SOL_CON
CAPM-CNT1
BYTE
CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC
NMI
RDS-INT
CD-SCOR
MDM_POWER
OPT-SEL
CD-XLT
CD-SENS
BU_PWM3
LD_ON
BU_PWM2
CD-CLK
BU_PWM1
IIC_CLK
IIC_DATA
FLS_SO
SQ-DATA-IN
SQ-CLK
CD-DATA
LCD-DATA
LCD-CS
LCD-SCK
TC-MUTE
CD_XRST
IN SW
OPEN SW
TRAY-CLOSE
TRAY-OPEN
REC/PB/PASS
B_PLAY
OPT-SEL
(DOLBY-ON)
REC MUTE
MD RESET
CD-POWER
RDS-DATA
Description
AC CUT ON/OFF check signal input (L=ON,H=OFF)
Power relay ON/OFF signal output (H=ON,L=OFF)
XTSL signal output for IC101
Remote control receiver data signal input
D/A (MD) muting control signal output
Solenoid(TC) control signal output (H=ON,L=OFF)
Capstan motor control signal output (H=REV,L=FWD,L=STOP)
Not used (ground)
Connected ground
Sub clock input
Sub clock output
System reset signal input
Main system clock output
Ground
Main system clock input (16MHz)
Power supply (+5V)
Not used (connected to Vcc)
RDS interrupt signal input
CD Q-data request signal input
MD P-DOWN control signal output
Optical select signal output
CD latch signal output
CD sense signal input
BU PWM3 signal output
CD LD ON signal output
BU PWM2 signal output
CD clock signal output
BU PWM1 signal output
IIC clock signal output
IIC data signal output
Not used (open)
CD SQ data signal input
CD SQ clock signal output
CD data signal output
LCD data signal output
LCD CS signal output
LCD clock signal output
Tape deck line muting signal output (H=ON,L=OFF)
CD reset signal output
Tray close detect signal input
Tray open detect signal input
Loading motor control signal output
Loading motor control signal output
REC/PB/PASS select signal output
B deck play signal input
Not used (Fixed at “H”)
Not used
TC REC muting ON/OFF signal output
MD reset signal output
CD power control signal output (H=ON,L=OFF)
RDS data signal input
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