Read Sony CMT-C7NT / HCD-C7NT Service Manual online
80
HCD-C7NT
• IC501
µ
PD703032AYGY-M02-3BA Master Control (UCOM 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
I/O
O
O
I/O
O
I/O
O
O
O
–
–
O
O
O
I
I
O
O
O
O
O
–
O
O
O
O
O
O
O
O
I
I
I
I
I
I
O
–
O
I
–
–
O
O
O
I
O
O
I
I
I
Pin Name
FL-DATA
FL-CLK
SDA
FL-CE
SCL
FL-RST
CXD-DATA
CXD-CLK
EVDD
EVSS
CXD-XLT
PWM1
LDON
SENSE
SUBQ
CHECK
SCLK
CTRL1
PWM2
PWM3
VPP
SP-MUTE
1-4
DMUTE
AMUTE
LODNEG
LODPOS
BDPWR
BDRST
SW1
SW2
SW3(ENC-A)
SW4(ENC-B)
RESET
XT1
XT2
REGC
X2
X1
VSS
VDD
CLKOUT
PLL-CLK
PLL-DO(µCOM-ST)
PLL-DI(ST-µCOM)
PLL-CE
ST-MUTE
STEREO
TUNED
RDS-DATA
Description
Data signal output to the fluorescent indicator tube
Clock signal output to the fluorescent indicator tube
I2C data input/output
Enable signal output to the fluorescent indicator tube
I2C clock input/output
Reset signal output to the fluorescent indicator tube
Data output to the DSP
Clock signal output to the DSP
Power supply (I/O port)
Ground (I/O port)
Latch signal output to the DSP
PWM1 signal output
Laser power supply control signal output
CD DENSE signal input
CD SUBQ signal input
Not used (open)
CD SUBQ clock signal output
CTRL1 (double times speed selection) signal output
PWM2 signal output
PWM3 signal output
Not used
Not used (open)
Not used (open)
Muting signal output to the DAC
Not used (open)
Loading motor control signal output
Loading motor control signal output
Power supply control signal output to the CD section
CD reset signal output
Loading switch signal input
Loading switch signal input
Loading switch signal input
Loading switch signal input
System reset input
Sub clock input
Sub clock output
Capacitor connection terminal for regulator output stabilizing
Main system clock output
Main system clock input
Ground
Power supply
Clock output (open)
Clock signal output to the tuner
Data output to the tuner
Data input from the tuner
Chip enable signal output to the tuner
Muting signal output to the tuner
Stereo signal input from the tuner
Tuning detection signal input from the tuner
RDS data input
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