Sony HCD-GN1300D Service Manual page 72

HCD-GN1300D
• IC Pin Function Description
MAIN BOARD IC100 R5F3640MDFAR (SYSTEM CONTROL)
Pin No. Pin Name
1 LED DRIVER - CLOCK
2 LED DRIVER - DATA
3 LED DRIVER - LATCH
4 SIRCS
5 METER POINTER LED
6 HP-DETECT
7 MIC DETECT
8 BYTE
9 CNVss
10 XC-IN
11 XC-OUT
RESET
12
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
18 EEPROM DATA
19 EEPROM CLK
20 AC-CUT
21 M61530FP-DATA
22 M61530FP-CLK
23 MTK-RESET
24 MTK-XIFCS
25 MTK-BUSY
26 CIG BK
27 NO-USE
28 CIG LATCH
29 IIC-CLK
30 IIC-DATA
31 MTK-POWER-CTR
32 SW-MUTE
33 AUDIO-OUT-MUTE
34 LMR
35 CIG DATA
36 LMF
37 CIG CLK
38 TMR
39 TMF
40 E-1
41 LED DRIVER - OE
42 E-2
43 E-3
44 TBL-SENSE
45 SW-SPK RELAY
46 OPEN-SW
47 MTK-SIO
48 MTK-SOD
49 MTK-CLK
50 SPEAKER RELAY
51 LINE-MUTE
52 R2A15216FP-DATA
53 R2A15216FP-CLK
72
I/O
O Clock signal for LED Driver IC.
O Data signal for LED Driver IC.
O Latch control signal for LED Driver IC.
I Remote control signal input.
O Meter Pointer LED port control.
I Headphone connection detection signal input. ("H":headphone connected)
I Microphone connection detection signal input. ("H":microphone connected)
– Ground terminal.
– Ground terminal.
I Sub system clock input terminal. (32.768kHz)
O Sub system clock output terminal. (32.768kHz)
System reset signal input from the reset signal IC. ("L": reset)
I
After the power supply rises, "L" is input for several hundreds msec and then change to "H".
O Main system clock output terminal. (5MHz)
– Ground terminal.
I Main system clock input terminal. (5MHz)
– Power supply terminal. (+3.3V)
I Non-maskable interrupt input terminal.
I/O External EEPROM memory backup (Serial Data line)
I/O External EEPROM memory backup (Serial Clock line)
I AC off detection signal input from the reset signal IC. ("L": AC Cut detected)
O Serial data output to 4 channel volume IC, M61530FP.
O Serial data transfer clock signal output to 4 channel volume IC, M61530FP.
O Reset signal output to DVD motherboard. ("L": reset)
I Communication initialization request acknowledgement signal from DVD motherboard.
O Communication initialization request signal to DVD motherboard.
O Backlight control signal for CIG (Chip In Glass) of fl uorescent indicator tube.
I Unused port (Pull to GND)
O Latch control signal for CIG (Chip In Glass) of fl uorescent indicator tube.
I/O Clock signal for IIC communcation for Master Control controller.
I/O Data signal for IIC communcation for Master Control controller.
O MTK IC Power control
O Subwoofer muting on/off control signal output. ("L": muting on)
O Audio out muting on/off control signal. ("H" : muting on)
O CDM loading motor control output.
O Data signal for CIG (Chip In Glass) of FL Display.
O CDM loading motor control output.
O Clock signal for CIG (Chip In Glass) of FL Display.
O CDM turning motor control signal output.
O CDM turning motor control signal output.
I Disc tray status detection signal input from CDM.
O LED driver Output enable (L) / disable (H).
I Disc tray status detection signal input from CDM.
I Disc tray status detection signal input from CDM.
I Disc tray position detection signal input from CDM.
O Relay drive signal output for the passive sub woofer. ("H":relay on)
I Eject detection signal input from CDM.
O Serial data output signal to DVD motherboard.
I Serial data input signal from DVD motherboard.
I Serial data clock signal to DVD motherboard.
O Relay drive signal output for the speakers. ("H":relay on)
O Line muting on/off control signal.("L":muting on)
O Serial data output to audio signal IC, R2A15216FP.
O Serial data transfer clock signal output to audio signal IC, R2A15216FP.
Desciption