Ic Pin Function Description - Sony HCD-GRX30 Service Manual

7-23.

IC PIN FUNCTION DESCRIPTION

• MAIN BOARD IC501 M30622MA-A07FP
Pin No. Pin Name I/O
1 STL-POWER O
2 POWER O
3 F-RELAY O
4 R-RELAY O
5 CD-RELAY O
6 LINE-MUTE O
7 DBFB-H/L O
8 GND —
9 GND —
10 Xcin I
11 Xcout O
12 RESET I
13 Xout O
14 Vss —
15 Xin I
16 Vcc O
17 NIMI I
18 WAKE_UP I
19 SCOR I
20 RDS-INT I
21 RDS-DATA I
22 AC-CUT I
23 PL-CLK O
24 PL-DATA O
25 PL-LAT O
26 TIMER LED O
27 EAKER PROTE I
28 V_MUTE O
29 ICC_CLK O
30 ICC_DATA O
31 N.C. —
32 SQ-DATA-IN I
33 SQ-CLK O
34 N.C. —
35 CD-DATA O
36 HEAD PHONE I
37 CD-CLK O
38 493-LT O
39 CK-OUT/STBY O
40 VC L+R/L–R O
41 VC BYPASS O
42 FL SW O
43 STBY_RELAY O
44 BASS_FREQ O
45 FUNC_SEL1 O
46 FUNC_SEL0 O
47 49X-DATA O
48 49X-CLK O
49 ST-MUTE O
50 STEREO I
STK ON(H)/OFF(L)
POWER ON(H)/OFF(L)
FRONT-RELAY ON(H)/OFF(L)
REAR-RELAY ON(H)/OFF(L)
CD-POWER ON(H)/OFF(L)
TA LINE-MUTE ON(L)/OFF(H)
DBFB-HIGH(L)/LOW(H)/OFF(H)
Ground
Ground
SUB CLOCK IN
SUB CLOCK OUT
SYSTEM RESET IN
MAIN SYSTEM CLOCK OUT
Vss
MAIN SYSTEM CLOCK IN(16MHz)
POWER SUPPLY(+5V)
PULL UP(EVER+5)CAN'T USE
WAKE UP(L)
CD Q-DATA REQUEST
RDS INT
RDS DATA
AC CUT ON(L)/OFF(H) CHECK
PRO-LOGIC CLOCK
PRO-LOGIC DATA
PRO-LOGIC LAT1
TIMER LED ON(H)/OFF(L)(forFH)
SPEAKER PROTECT ON(L)/OFF(H)
VIDEO MUTE ON(H)/OFF(L)(for LBT)
IIC SCL
IIC SDA
Not used
CD DATA IN
CD DATA CLK
Not used
CD DATA
HEAD PHONE detection Detected (H)/Not detected (L)
CD CLK
62493 LAT
CLOCK CHECK/STBY-LED(H)(FH)
VIRTUAL CINEMA L+R/L-R(FH LCD)
VIRTUAL CINEMA BYPASS(FH LCD)
FL FILAMENT ON(L)/OFF(H)(for ECO)
MAIN POWER ON(H)/OFF(L)(for ECO)
FREQ High(H)/LOW(L)(for SYNC BASS)
FUNC_SEL1(LBT)
FUNC_SEL0(LBT)/OPT SEL(AMD, MK33)
6249X DATA
6249X CLOCK
TUNER MUTE
STEREO IN(L)/OFF(H)
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Description