Sony HCD-U1BT Service Manual page 64

HCD-U1BT
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PANEL BOARD IC302 M30622MEP-A41FPU0 (PANEL CONTROLLER)
Pin No. Pin Name
1 NC
2 SOFT_TEST
3 LED_USB
4 VFD_POWER
5 LED_DATA
6 LED_LAT
7 LED_CLK
8 BYTE
9 CNVSS
10 XCIN
11 XCOUT
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 LED_BT_ACCESS
19 LED_BT_FUNC
TE
20 LED_USB_FUNC
L 13942296513
21 LED_CD_FUNC
22 LED_TUNER_FUNC
23 LED_AUDIO_IN_FUNC
24 LED_PLAY
25 LED_PAUSE
26 LED_DISC
27 NO USE
28 LED_USB_ILUMM
29 IIC CLK
30 IIC DATA
31 to 34 NC
35 VFD_DATA
36 VFD_LAT
37 VFD_CLK
38 VFD_BK
39 NC
40 NC
41 NO USE
42 NC
43 NC
44 RD
www
45 NC
46 NO USE
47 NC
.
48 CS2
49 CS1
50 CS
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I/O
— Not used (Open)
— Not used (Open)
O LED_USB signal output
O VFD_POWER signal output terminal
— Not used (Open)
— Not used (Open)
— Not used (Open)
I External data bus width selection signal input terminal (Connected to ground)
I Processor mode switch input terminal (for test)
I Not used (Open)
O Not used (Open)
System reset signal input from the reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O Main system clock output terminal (5 MHz)
— Ground terminal
I Main system clock input terminal (5 MHz)
— Power supply terminal (+3.3V)
I Non-maskable interrupt signal input terminal, Not used (Pull up)
O LED ON/OFF signal output terminal
O LED ON/OFF signal output terminal
O LED ON/OFF signal output terminal
O LED ON/OFF signal output terminal
O LED ON/OFF signal output terminal
O LED ON/OFF signal output terminal
O LED ON/OFF signal output terminal
O LED ON/OFF signal output terminal
O LED ON/OFF signal output terminal
— Not used (Open)
O LED ON/OFF signal output terminal
I IIC data reading clock signal input terminal
I IIC data input terminal
— Not used (Open)
O CD serial data output to the CD DSP
I Internal status (SENSE) signal input from the CD DSP
O CD serial data transfer clock signal output to the CD DSP
I CD mechanism power protect on/off detection signal input terminal "H": protect on
— Not used (Open)
— Not used (Open)
— Not used (Pull up)
— Not used (Open)
— Not used (Open)
— Not used (Open)
— Not used (Open)
x ao u163
— Not used (Pull up)
y
— Not used (Open)
i
— Not used (Open)
— Not used (Open)
— Not used (Open)
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Description
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