Read Sony HCD-CQ1 Service Manual online
35
HCD-CQ1
6-15. IC Pin Function Description
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 to 53
I/O
O
I
I
I
O
O
I
O
I
O
O
O
O
I
—
—
O
O
O
I
O
O
O
O
O
I
O
O
I
—
O
—
I
O
—
I
I
I
I
I
I
I
I
—
I
O
O
O
O
I
Pin Name
MTR-CTRL1
OUT SW
IN SW
SENS
X-RST
SQ-CLK
SQ-DATA-IN
CLOCK CHECK
SIRCS
EQIC-DATA
EQIC-CLK
EQIC-LAT
X-OA
X-IA
VCC
VSS
STBY-LED
ST CE
ST DOUT
ST DIN
ST CLK
LD-ON
BU PWM 1
PWM-T-OUT
CD POWER
PWM-T-IN
BU PWM 2
BU PWM 3
SI0
SC0
FLASH-OUT
AVCC
AC-CUT
XLT
AVSS
KEY1
KEY2
H.P IN
MODEL-IN
DEST-IN
INT0
KEY-INT/INT1
RM-INT
VSS
SCOR
CD-CLK
CD-DATA
NC
PROTECTOR
MD2 to MD0
Description
Motor control signal output to the motor driver (IC251)
CD tray detection switch signal input
CD tray detection switch signal input
SENS signal input from the DSP
Reset signal output to the DSP and the motor/coil driver
Sub-Q clock output to the DSP
Sub-Q data input from the DSP
Clock signal output terminal for check
Remote sensor signal input from the IC501
Data output to the volume and tone control (IC301)
Clock output to the volume and tone control (IC301)
Latch signal output to the volume and tone control (IC301)
Resonator terminal (32.768kHz)
Resonator terminal (32.768kHz)
Power supply terminal
Ground terminal
Standby LED control signal output
Chip enable signal output to the tuner unit
Data output to the tuner unit
Data input from the tuner unit
Clock output to the tuner unit
Laser diode control signal output
Focus servo drive PWM signal output to the RF amplifier
PWM-T signal output terminal
Power supply on/off control signal output to the CD section
PWM-T signal input terminal
PWM signal output to the RF amplifier
RFDC PWM signal output to the RF amplifier
Communication data input terminal (for flash programming)
Clock terminal (not used)
Communication data output terminal (for flash programming)
Power supply (A/D converter)
AC off detection signal input from the reset signal generator
Serial data latch signal output to the DSP
Ground terminal (A/D converter)
Key input terminal (A/D input)
Key input terminal (A/D input)
Headphone jack detection signal input
Model setting terminal
Destination setting terminal
Interrupt signal input (for flash programming)
Interrupt signal input by pressing a key
Interrupt signal input by remote control signal
Ground terminal
Subcode sync(S0+S1) detection signal input from the DSP
Serial data transfer clock output to the DSP
Serial data output to the DSP
Not used
Protection signal output to the speaker relay circuit
Operation mode setting input terminal
• IC101
MB90803PF-G-101-BMD (SYSTEM CONTROLLER)
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