Sony HCD-GTR6 Service Manual page 64

HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
MAIN BOARD IC500 R5F3640MDFAR (SYSTEM CONTROL)
Pin No. Pin Name
1 LED DRIVER-CLOCK
2 LED DRIVER-DATA
3 STBY LED
4 SIRCS
METER BACKGROUND
5
LED
6 NO USE
7 LED DRIVER-LATCH
8 BYTE
9 CNVss
10 XC-IN
11 XC-OUT
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
18 USB OC 1
19 USB OC 2
20 AC-CUT
21 USB HUB RESET
22 USB VBUS DET
23 MTK RESET
24 MTK XIFCS
25 MTK BUSY
26 CIG BK
27 USB OE
28 CIG LATCH
29 IIC-CLK
30 IIC-DATA
31 STK-MUTE
32 PROTECTOR
33 LINK RELAY
34 LMR
35 CIG DATA
36 LMF
37 CIG CLK
38 TMR
39 TMF
40 E-1
42 E-2
41 LED DRIVER OE
43 E-3
44 TBL-SENSE
45 SW-RELAY
46 OPEN-SW
47 MTK SIO
48 MTK SOD
49 MTK-CLK
50 FR RELAY
51 LINE-MUTE
52 AUDIO IC DATA
64
I/O
O Clock signal for LED Driver IC.
O Data signal for LED Driver IC.
O LED drive signal output of POWER indicator.
I Remote control signal input
O Meter Bachground LED port control.
O Unused port (Output port setting - open)
O Latch control signal for LED Driver IC.
– 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 After the power supply rises,
I
"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 USB A over current detect pin.
I USB B over current detect pin.
I AC off detection signal input from the reset signal IC "L": AC Cut detected
O USB HUB reset port.
O USB VBUS Power detect for output enable.
I Disc tray status detection signal input from CDM
I MTK chip selector
O MTK chip busy status output.
O Backlight control signal for CIG (Chip In Glass) of fl uorescent indicator tube.
O USB output enable port
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 Power amplifi er and sub woofer amplifi er on/off control signal output "H": amplifi er on
I Speaker protect detection signal input from speaker protect circuit "L":protector on
O Surround speaker mode control signal "H":LINK "L":MATRIX SURROUND1/2
O CDM loading motor control signal output
O Data signal for CIG (Chip In Glass) of FL Display.
O CDM loading motor control signal 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
I Disc tray status detection signal input from CDM
O LED driver Output enable (H) / disable (L).
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 MTK serial data out
I MTK serial data in
I MTK serial clock
O Relay drive signal output for the front speakers "H":relay on
O Line muting on/off control signal "L":muting on
O Serial data output to audio signal IC, R2A15216FP
Desciption