Sony HCD-EX99 - Page 49

HCD-EX66/EX88/EX99
49
Pin No. Pin Name I/O Description
1 O-CD-RST O System reset signal output for the CD-MP3 processor
2 O-CD-DI O Serial data output for the CD-MP3 processor
3 O-CD-CE O Chip enable signal output for the CD-MP3 processor
4 O-USB-RST O System reset signal output for the USB control
5 O-DIMMER O Volume LED dimmer control signal output
6 I2C-FUNC-DATA O Serial data output for the electrical volume
7 I2C-FUNC-CLK O Serial data transfer clock signal output for the electrical volume
8 I2C-TU-DATA O Serial data output for the AM/FM DET
9 I2C-TU-CLK O Serial data transfer clock signal output for the AM/FM DET
10 O-VOL-LED O Volume LED ON/OFF signal output
11 I-RST I Reset signal input (L: reset)
12
Sub Clock
(32.768kHz)
I Sub system clock signal input (32.768 kHz)
13
Sub Clock
(32.768kHz)
O Sub system clock signal output (32.768 kHz)
14 VSS1 — Ground
15 Main Clock(20MHz) I Main system clock signal input (20 MHz)
16 Main Clock(20MHz) O Main system clock signal output (20 MHz)
17 VDD1 — Power supply pin (+3.3 V)
18 I-CD-OP/CL I
Disc tray close/open detection signal input/headphones with/without detection signal input
from the CD mechanism deck
19 I-MODEL I Model setting pin
20 I-SUFFIX I Destination setting pin
21 I-SIGNAL-LEVEL I Audio level detection signal input
22 I-LED-LEVEL I Volume LED level detection signal input
23 I-VACS I VACS level detection signal input
24 to 26 I-KEY2 to I-KEY0 I Key signal input (A/D input)
27 I-PROTECT-F I Fast protection detection signal input (L: abnormal, H: normal)
28 I-AC-CUT I AC cut detection signal input
29 I-RMC(SIRCS) I Remote control signal input from the remote control signal receiver
30 O-FAN-LOW-SPEED O Fan speed control signal output
31 O-FR-RELAY O Speaker relay ON/OFF signal output (HCD-EX99)
32 O-SW-MUTE O Subwoofer ON/OFF signal output (HCD-EX99)
33 O-AMP-RST O Amplifi er reset signal output
34 I-V2-MONI I V2 power supply monitor signal input
35 I-PROTECT-S I Standard protection detection signal input (L: abnormal, H: normal)
36 O-HP-MUTE O Headphones mute ON/OFF signal output (L: mute OFF, H: mute ON)
37 O-MAIN-ON O Main power supply ON/OFF control signal output
38 O-SUB-ON O Sub power supply ON/OFF control signal output
39 O-VBUS-ON O VBUS power supply ON/OFF control signal output
40 I-VBUS-OCP I VBUS overcurrent detection signal input (L: abnormal, H: normal)
41 I-RDSI I RDS detection signal input
42 O-STBY-SW O Power supply control at standby mode
43 O-LCD-LED O LCD back light LED ON/OFF control signal output
44 NC — Not used. (Open)
45 to 53 SEG0 to SEG8 O Segment drive signal output for the liquid crystal display panel
54 VDD2 — Power supply pin (+3.3 V)
55 VSS2 — Ground
56 to 79 SEG9 to SEG32 O Segment drive signal output for the liquid crystal display panel
80 to 82 LCD V3 to LCD V1 — Bias power supply for the liquid crystal display panel
83 to 86 COM3 to COM0 O Common drive signal output for the liquid crystal display panel
87 O-CD-M– O CD motor drive (–) signal output for the CD mechanism deck
88 O-CD-M+ O CD motor drive (+) signal output for the CD mechanism deck
89 VSS3 — Ground
90 VDD3 — Power supply pin (+3.3 V)
91 O-CD-ON O Digital power supply control signal output for the CD-MP3 processor
92 O-USB-SLEEP O Sleep control signal output for the USB control
93 O-USB-TXD O USB TX signal output for the USB control
94 I-USB-RXD I USB RX signal input from the USB control
PANEL BOARD (1/3) IC302 LC87F7DJ2CVU-QIP-H (SYSTEM CONTROL)