Sony MEX-N5100BE Service Manual page 39

• IC Pin Function Description
MAIN BOARD IC503 R7S7200032CFP (SYSTEM CONTROLLER)
Pin No. Pin Name
1 BT_MIC_DET
2 AMP_MUTE
3 AMPSTB
4 SERVO_ON
5 SP_CLK
6 SP_DATA
7 Vcc
8 DEC_XMUTE
9 Vss
10 CD_ZDET
11 PVcc
12 BSIF_GATE
13 DEC_INT
14 DSP_RST
15 DSP_SSTBY
16 BSIF_ST_REQ
17 CD_BUSCLK
18 Vss
19 CD_XCCE
20 CD_SDO
21 Vcc
22 CD_SDI
23 Vss
24 BSIF_BCK
25 PVcc
26 BSIF_LR
27 BSIF_DO
28 BEEP
29 DEC_BCK_IN
30 DEC_LRCK_IN
31 Vss
32 DEC_SDOUT_F
33 DEC_SDIN_CH0
34 Vcc
35 LCD_CLK
36 Vss
37 NC
38 LCD_CE
39 PVcc
40 LCD_DO
41 MEC_EJECT
42 SYNC_OUT
43 DEBUG_TX
44 LRCK_INT
45 ACC_IN
46 Vss
47 DRV_ON
48 XM_TX
49 KEY_ACK1
50 PVcc
51 MEC_INSW
52 BT_CLK
53 BT_SYNC
54 BT_DOUT
55 BT_DIN
56 BU_IN
I/O
I External microphone plug insert detection signal input terminal for the Bluetooth
O Amplifi er muting on/off control signal output to the power amplifi er
O Standby signal output to the power amplifi er
O Power on/off control signal output to the servo section
O Serial data transfer clock signal output to the audio DSP
I Serial data input from the audio DSP
- Power supply terminal (+1.18V) (for internal)
O Muting on/off control signal output to the audio DSP
- Ground terminal
I Zero data detection signal input from the audio DSP
- Power supply terminal (+3.3V) (for I/O)
O Gate signal output to the audio DSP
I Interrupt signal input from the audio DSP
O Reset signal output to the audio DSP
O Standby signal output to the audio DSP
I Request signal input from the audio DSP
O Serial data transfer clock signal output to the audio DSP
- Ground terminal
O Chip enable signal output to the audio DSP
O Serial data output to the audio DSP
- Power supply terminal (+1.18V) (for internal)
I Serial data input from the audio DSP
- Ground terminal
O Bit clock signal output to the audio DSP
- Power supply terminal (+3.3V) (for I/O)
O L/R sampling clock signal output to the audio DSP
O Audio data output to the audio DSP
O Beep sound drive signal output to the power amplifi er
I Bit clock signal input from the audio DSP
I L/R sampling clock signal input from the audio DSP
- Ground terminal
O Audio data output to the audio DSP
I Audio data input from the audio DSP
- Power supply terminal (+1.18V) (for internal)
O Serial data transfer clock signal output to the front panel block
- Ground terminal
- Not used
O Chip enable signal output to the front panel block
- Power supply terminal (+3.3V) (for I/O)
O Serial data output to the front panel block
O Loading motor drive signal (eject direction) output terminal
O Frequency control signal output to the regulator
O Transmit data output terminal for the debug
I L/R sampling clock signal input from the pin 26 (BSIF_LR)
I Accessory power detection signal input terminal
- Ground terminal
O Driver control signal output to the CD mechanism deck block
O Serial data output to the SIRIUSXM in connector (US and Canadian models only)
I Key acknowledge signal (wake up signal) input from the front panel block
- Power supply terminal (+3.3V) (for I/O)
I Disc insert detection switch input terminal
I Serial data transfer clock signal input from the BT module
I Sync signal input from the BT module
O Audio data output to the BT module
I Audio data input from the BT module
I Back-up power detection signal input terminal
MEX-N5100BE/N5100BT/N5150BT
Description
"L": standby
"H": power on
"L": muting on
"L": reset
"L": standby
"H": motor on
Not used
"L": accessory power on
"L" is input at low voltage
"L": muting on
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