Sony MEX-1HD Service Manual page 73

• MAIN BOARD IC1010
Pin No. Pin Name
1, 2 MD1, MD2
3 VCC_RTC
4 NC
5 EXTAL2
6 VSS_RTC
7 NMI
8 to 11 XIRL0 to XIRL3
12 IRQ4
BB_LED7 to
13 to 18
BB_LED2
19 DGND
20 BB_LED1
21 D3.3V
22 BB_LED0
23 to 25 NC
26 FLD_ON
27 DGND
28 FL_ON
29 D1.9V
30 ILL_ON
31 USB_ACS_LED
32 MS_ACS_LED
33 DGND
34 SH_D15
35 D3.3V
SH_D14 to
36 to 44
SH_D6
45 DGND
46 SH_D5
47 D3.3V
SH_D4 to
48 to 52
SH_D0
53 SH_A0
54, 55 SH_A1, SD_A2
56 SH_A3
57 DGND
58 SH_A4
59 D3.3V
SH_A5 to
60 to 68
SH_A13
69 DGND
HD6417709AF133 (CPU)
I/O
I Clock mode selection input terminal
— Power supply terminal (+1.9V)
O Sub system clock output terminal (32.768kHz) (for the internal real time clock) Not used
I Sub system clock input terminal (32.768kHz) (for the internal real time clock) Not used
— Ground terminal
I Non-maskable interrupt input terminal Not used
I Interrupt request signal input from the CPU/ATA interface IC
I Interrupt request signal input terminal Not used
O Not used
— Ground terminal
O Not used
— Power supply terminal (+3.3V)
O Not used
O Not used
Fluorescent indicator tube driver power supply on/off control signal output terminal
O
"H": fluorescent indicator tube on
— Ground terminal
Fluorescent indicator tube power supply on/off control signal output terminal
O
"H": fluorescent indicator tube on
— Power supply terminal (+1.9V)
O Power supply on/off control signal output at the illumination "H": illumination on
O LED drive signal output terminal
O LED drive signal output terminal
— Ground terminal
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
I/O
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
— Power supply terminal (+3.3V)
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
I/O
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
— Ground terminal
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
I/O
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
— Power supply terminal (+3.3V)
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
I/O
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
O Address signal output terminal Not used
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
O
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
Address signal output to the CPU/ATA interface IC, memory stick interface IC,
O
64MB flash memory and 128MB SD-RAM
— Ground terminal
Address signal output to the CPU/ATA interface IC, memory stick interface IC,
O
64MB flash memory and 128MB SD-RAM
— Power supply terminal (+3.3V)
Address signal output to the CPU/ATA interface IC, memory stick interface IC,
O
64MB flash memory and 128MB SD-RAM
— Ground terminal
Description
MEX-1HD
73