Ic Pin Function Description - Sony HCD-CQ1 Service Manual

6-15. IC Pin Function Description

• IC101 MB90803PF-G-101-BMD (SYSTEM CONTROLLER)
Pin No. Pin Name
1 MTR-CTRL1
2 OUT SW
3 IN SW
4 SENS
5 X-RST
6 SQ-CLK
7 SQ-DATA-IN
8 CLOCK CHECK
9 SIRCS
10 EQIC-DATA
11 EQIC-CLK
12 EQIC-LAT
13 X-OA
14 X-IA
15 VCC
16 VSS
17 STBY-LED
18 ST CE
19 ST DOUT
20 ST DIN
21 ST CLK
22 LD-ON
23 BU PWM 1
24 PWM-T-OUT
25 CD POWER
26 PWM-T-IN
27 BU PWM 2
28 BU PWM 3
29 SI0
30 SC0
31 FLASH-OUT
32 AVCC
33 AC-CUT
34 XLT
35 AVSS
36 KEY1
37 KEY2
38 H.P IN
39 MODEL-IN
40 DEST-IN
41 INT0
42 KEY-INT/INT1
43 RM-INT
44 VSS
45 SCOR
46 CD-CLK
47 CD-DATA
48, 49 NC
50 PROTECTOR
51 to 53 MD2 to MD0
I/O
O Motor control signal output to the motor driver (IC251)
I CD tray detection switch signal input
I CD tray detection switch signal input
I SENS signal input from the DSP
O Reset signal output to the DSP and the motor/coil driver
O Sub-Q clock output to the DSP
I Sub-Q data input from the DSP
O Clock signal output terminal for check
I Remote sensor signal input from the IC501
O Data output to the volume and tone control (IC301)
O Clock output to the volume and tone control (IC301)
O Latch signal output to the volume and tone control (IC301)
O Resonator terminal (32.768kHz)
I Resonator terminal (32.768kHz)
— Power supply terminal
— Ground terminal
O Standby LED control signal output
O Chip enable signal output to the tuner unit
O Data output to the tuner unit
I Data input from the tuner unit
O Clock output to the tuner unit
O Laser diode control signal output
O Focus servo drive PWM signal output to the RF amplifier
O PWM-T signal output terminal
O Power supply on/off control signal output to the CD section
I PWM-T signal input terminal
O PWM signal output to the RF amplifier
O RFDC PWM signal output to the RF amplifier
I Communication data input terminal (for flash programming)
— Clock terminal (not used)
O Communication data output terminal (for flash programming)
— Power supply (A/D converter)
I AC off detection signal input from the reset signal generator
O Serial data latch signal output to the DSP
— Ground terminal (A/D converter)
I Key input terminal (A/D input)
I Key input terminal (A/D input)
I Headphone jack detection signal input
I Model setting terminal
I Destination setting terminal
I Interrupt signal input (for flash programming)
I Interrupt signal input by pressing a key
I Interrupt signal input by remote control signal
— Ground terminal
I Subcode sync(S0+S1) detection signal input from the DSP
O Serial data transfer clock output to the DSP
O Serial data output to the DSP
O Not used
O Protection signal output to the speaker relay circuit
I Operation mode setting input terminal
Description
HCD-CQ1
35