Ic Pin Function Description - Sony HCD-XG60 Service Manual

HCD-XG60/XG500

7-30. IC PIN FUNCTION DESCRIPTION

• MAIN BOARD IC501 M30622MAA-A92FP (SYSTEM CONTROLLER (CD MECHANISM CONTROL))
Pin No. Pin Name
1 STK-POWER
2 POWER
3 F-RELAY
4 REAR-RELAY
5 CD-POWER
6 LINE-MUTE
7 DBFB-H/L
8, 9 —
10 XC-IN
11 XC-OUT
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VDD
17
NMI
18 WAKE UP
19 SCOR
20 RDS-INT
21 RDS-DATA
22 AC-CUT
23 PL-CLK
24 PL-DATA
25 PL-LAT
26 TIMER LED
27 PROTECT
28
V MUTE
29 IIC-CLK
30 IIC-DATA
31 NO-USE
32 SQ-DATA
33
SQ-CLK
34 SW-MODE
35
CD-DATA
36 H/P IN
37 CD-CLK
38 493-LAT
50
I/O
O
Power amplifier on/off selection signal output "L": standby mode, "H": power amplifier on
Power on/off control signal output for the audio system (+5V) and deck, panel, audio system
O
(+7V) and FM/AM tuner unit (+10V) "L": standby mode, "H": power on
O
Relay drive signal output for the front speaker protect "H": relay on
O
Relay drive signal output for the rear speaker protect "H": relay on Not used (open)
Power on/off control signal output for the CD mechanism deck section
O
"L": standby mode, "H": power on
O Line muting on/off control signal output "L": muting on, "H": muting off
DBFB normal/high selection signal output to the M62493FP (IC101)
O
"L": DBFB high, "H": DBFB low (normal)
—
Connect to ground
I
Sub system clock input terminal (32.768 kHz)
O Sub system clock output terminal (32.768 kHz)
System reset signal input from the reset signal generator (IC801) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O
Main system clock output terminal (16 MHz)
—
Ground terminal
I Main system clock input terminal (16 MHz)
—
Power supply terminal (+5V)
I
Non-maskable interrupt input terminal Fixed at "H" in this set
I
Wakeup control signal input from the fluorescent indicator tube driver (IC601) "L" active
I Subcode sync (S0+S1) detection signal input from the CXD2587Q (IC101)
Serial data transfer clock signal input from the RDS decoder on the FM/AM tuner unit
I
(Used for the AEP and UK models)
Serial data input from the RDS decoder on the FM/AM tuner unit
I
(Used for the AEP and UK models)
I
AC off detection signal input from the reset signal generator (IC801) "L": AC cut checked
O
Serial data transfer clock signal output to the pro-logic circuit Not used (open)
O
Serial data output to the pro-logic circuit Not used (open)
O
Serial data latch pulse output to the pro-logic circuit Not used (open)
O
LED drive signal output terminal Not used (open)
Protect on/off detection signal input from the speaker protect circuit
I
"L": protect on, "H": protect off
Video muting on/off control signal output to the BA7615N (IC191)
O
"L": muting off, "H": muting on
Communication data reading clock signal input or transfer clock signal output with the fluorescent
I/O
indicator tube driver (IC601)
I/O
Communication data bus with the fluorescent indicator tube driver (IC601)
O
Not used (open)
I Subcode Q data input from the CXD2587Q (IC101)
I
Subcode Q data reading clock signal output to the CXD2587Q (IC101)
Music/movie mode selection signal output to the M62493FP (IC101)
O
"L": movie mode , "H": music mode
O
Serial data output to the CXD2587Q (IC101)
Connection detection signal input of the headphone jack (J803)
I
"L": no connected, "H": headphone connected
O Serial data transfer clock signal output to the CXD2587Q (IC101)
O
Serial data latch pulse output to the M62493FP (IC101)
Description