Sony HCD-DJ2i Service Manual page 63

MAIN DIGITAL BOARD (2/2) IC100 R5F3640MDFAR (SYSTEM CONTROL)
Pin No. Pin Name
1 ST-DIN
2 ST-CE
3 ST-TUNED
4 SIRCS
5 STBY RELAY
6 IO-EXP-LAT
7 IO-EXP-CLK
8 BYTE
9 CNVSS
10 XC-IN
11 XC-OUT
12 RST
13 X-OUT
14 VSS
15 X-IN
16 VCC
17 NMI
18 IPOD1 DET
19 SBSY
20 AC-CUT
21 IO-EXP-RST
22 IPOD2 RXD
23 IO-EXP-DO
24 IPOD2 TXD
25 TDA7448-DATA
26 TDA7448-CLK
27 R2A15216-DATA
28 R2A15216-CLK
29 IPOD1 RXD
30 IPOD1 TXD
31 PROG PORT
32 REG PROT
33 STANDBY LED
34 I-USB CTS0 (DI)
35 O-USB TXD (SO)
36 I-USB RXD (SI)
37 ML2252-NCR1
38 O-USB RTS (DO)
39 ML2252-NCR2
40 ML2252-CLK
41 PROTECTOR
42 ML2252-DATA OUT
43 ML2252-WR
44 ML2252-BUSY2
45 ML2252-BUSY1
46 LMR
47 LMF
48 CLOSE SW
49 OPEN SW
50 CD M-MUTE
51 CD XRST
52 USB RST
53 CD BUS0
I/O
I PLL serial data input from the tuner pack (FM/AM)
O PLL chip enable signal output for the tuner pack (FM/AM)
I TUNED detect signal input from the tuner pack (FM/AM)
I SIRCS signal input from the remote control signal receiver IC
O Main power ON/OFF control signal output (H: power ON)
O Serial latch signal output for the I/O expander IC
O Serial data output clock signal output for the I/O expander IC
— External data bus width select signal input (Connect to VSS in this set)
— Processor mode select input (for test)
I Sub system clock input (32.768 kHz)
O Sub system clock output (32.768 kHz)
System reset signal input from the RESET switch (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 (5 MHz)
— Ground
I Main system clock input (5 MHz)
— Power supply pin (+3.3 V)
I Non-maskable interrupt signal input (Fixed at H in this set)
I iPod 1 status detect signal input from the iPod 1 connector
I Subcode block sync detect signal input from the CD-MP3 processor IC
I AC cut ON/OFF detect signal input from the reset IC (L: AC cut ON)
O Serial reset signal output for the I/O expander IC (L: reset)
I UART serial reception data line input from the iPod 2 connector
O Serial data output for the I/O expander IC
O UART serial transmission data line output for the iPod 2 connector
I/O Two-way serial data output for the 6ch volume control IC
O Serial data transfer clock signal output for the 6ch volume control IC
O Serial data output for the electronic volume IC
O Serial data transfer clock signal output for the electronic volume IC
I UART serial reception data line input from the iPod 1 connector
O UART serial transmission data line output for the iPod 1 connector
O Serial data output for the fl ash programming connector
Regulator short detect and fan current detect signal input/serial data input from the fl ash
I
programming connector
O LED drive signal output for the standby indicator (H: standby LED ON)
I Serial send control signal input from the USB control IC
O UART serial transmission data line output for the USB control IC
I UART serial reception data line input from the USB control IC
I Status signal input from the sound IC
O Serial receive control output for the USB control IC
I Status signal input from the sound IC
O Serial data transfer clock signal output for the sound IC
I Speaker protect detect signal input from the speaker protector circuit (H: speaker protect ON)
O Serial data output for the sound IC
O Write control signal output for the sound IC
I Status signal input from the sound IC
I Status signal input from the sound IC
O Loading motor control signal output for the loading motor driver IC (for loading out)
O Loading motor control signal output for the loading motor driver IC (for loading in)
I Disc tray close position detect signal input (L: disc tray close)
I Disc tray open position detect signal input (L: disc tray open)
O Muting signal output for the loading motor drive IC
O Reset signal output for the CD-MP3 processor IC (L: reset)
O Reset signal output for the USB control IC (L: reset)
O Communication data bus line output for the CD-MP3 processor IC
Description
HCD-DJ2i
63