Ic Pin Function Description - Sony SS-SCL3 Service Manual

HCD-CL1/CL3
• WAVEFORMS
– BD (CD) SECTION –
1 3
IC101 ta IC101 el
(RFAC)(CD Play mode) (FE)(CD Play mode)
0.3 Vp-p
1.1 Vp-p
2 4
IC101 ra
IC101 wh (MDP)
(TE)(CD Play mode)
2.5 Vp-p
0.4 Vp-p
7.5 µ s
– MAIN SECTION –
1
IC401 qa
3.0Vp-p
32.768kHz
2
IC401 qd
4.2Vp-p
16MHz
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7-20. IC PIN FUNCTION DESCRIPTION

• IC401 M30622MGA-A33FP MASTER CONTROL (MAIN BOARD)
Pin No. Pin Name I/O
1 LED 2 O LED control signal output
2 LED 3 O LED control signal output
3 LED 4 O LED control signal output
4 SIRCS I Remote control receiver data signal input
5 LCD DATA O LCD DATA signal output
6 LCD STB O LCD STB signal output
7 LCD SCK O LCD SCK signal output
8 N.C. - Connected to ground
9 N.C. - Connected to ground
10 XC-IN I Sub clock input
11 XC-OUT O Sub clock output
12 RESET I System reset input
13 X-OUT O Main system clock output
14 VSS - Ground
15 X-IN I Main system clock input
16 VCC - Power supply (+5V)
17 NMI - Not used (connected to Vcc)
18 RDS-INT I RDS interrupt signal input
19 SCOR I CD Q-data signal input
20 RDS-DATA I RDS data signal input
21 ST-MUTING O Tuner muting signal output
22 ST-CE O Tuner chip enable output
23 ST-DOUT O Tuner data signal output
24 BU PWM 3 O BU PWM 3 signal output
25 ST-DIN I Tuner data signal input
26 BU PWM 2 O BU PWM 2 signal output
27 ST-CLK O Tuner clock signal output
28 BU PWM 1 O BU PWM 1 signal output
29 IIC-CLK O IIC SCL output
30 IIC-DATA O IIC SDA output
31 N.C. - Not used
32 SQ-DATA-IN I CD SQ data input
33 SQ-CLK O CD SQ clock output
34 XTSL O XTSL signsl output for IC101
35 CD-DATA O CD data signal output
36 SENS I BD condition signal input
37 CD-CLK O CD clock signal output
38 CD-POWER O CD power control signal output (H=ON,L=OFF)
39 STB LED/CLK O Standby LED ON/OFF signal output/Test point (clock check)
40 DBFB ON/OFF O DBFB control signal output (L=ON,H=OFF)
41 LDON O LDON signsl output for IC103
42 XLT O CD LAT signal output
43 XRST O CD reset signal output
44 LOAD-IN O Loading motor control signal output
45 LOAD-OUT O Loading motor control signal output
46 OPEN I Tray open detect signal input
47 CLOSE I Tray close detect signal input
48 T-SENS1 I CD table detect signal input
49 T-SENS2 I CD table detect signal input
50 T-SENS3 I CD table detect signal input
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Description