Sony HCD-EC599 Service Manual page 32

HCD-EC599
PANEL BOARD IC100(2/2) LC87F7DJ2CVU-QIP-H (SYSTEM CONTROL)
Pin No. Pin Name
1 O-CD-MUTE
2 O-CD-RST
3 I-CD-DO
4 O-CD-DI
5 O-CD-CLK
6 O-CD-CE
7 O-USB-SLEEP
8 O-USB-RST
9 I-VBUS-OCP
10 O-VBUS-ON
11 I-RST
SUB-CLK-
12
IN(32.768KHz)
SUB-CLK-
13
OUT(32.768KHz)
14 VSS1
15 MAIN-CLK-IN(18MHz)
MAIN-CLK-
16
OUT(18MHz)
17 VDD1
18 I-DEST
19 I-CD-AVR
20 I-KEY-2
21 I-VBUS-LEVEL-DET
22 I-A+9V-LEVEL-DET
23 NC
24 NC
25 I-KEY1
26 I-POWER-KEY
27 I-AC-MONITOR
28 I-AC-CUT
29 I-RMC
30 O-STBY-RELAY
31 O-SPK-RELAY
32 O-AD-SWITCH
33 NC
34 I-PROTECT
35 I-HP-DET
36 I-VOL-A
37 I-VOL-B
38 NC
39 O-TU-CE
40 NC
41 I-TU-RDS
42 NC
43 NC
44 NC
45 to 53 SEG0 to SEG8
54 VDD2
55 VSS2
56 to 79 SEG9 to SEG32
80 to 82 LCD V3 to LCD V1
83 to 86 COM3 to COM0
87 O-LCD-LED
88 I-CDM-SW
89 VSS3
90 VDD3
91 I2C-TU-DATA
32
I/O
O CD motor driver ON/OFF mute control signal output for the CD motor/coil driver
O System reset signal output for the CD-MP3 processor
I Serial data input from the CD-MP3 processor
O Serial data output for the CD-MP3 processor
O Clock signal output for the CD-MP3 processor
O Chip enable signal output for the CD-MP3 processor
O Sleep control signal output for the USB control
O System reset signal output for the USB control
I VBUS overcurrent detection signal input (L:abnormal, H: normal)
O VBUS power supply ON/OFF control signal output (L: VBUS off, H: VBUS on)
I Reset signal input
I Sub system clock signal input (32.768kHz)
O Sub system clock signal output (32.768kHz)
- Ground terminal
I Main system clock input terminal (18MHz)
O Main system clock output terminal (18MHz)
- Power supply pin (+3.3V)
I Destination setting pin (A/D input)
I CD protection detection signal input (A/D input)
I Key signal input (A/D input)
I VBUS protection detection signal input (A/D input)
I 9V protection detection signal input (A/D input)
O Not used
O Not used
I Key signal input (A/D input)
I Power key signal input (A/D input)
I AC power monitor input pin (A/D input)
I AC cut detection signal input (L: AC cut, H: AC In)
I Remote control signal input from the remove control signal receiver
O Main power on/off control signal output (L: STBY RELAY off, H: STBY RELAY on)
O Relay drive signal output for the speakers (L: SPK RELAY off, H:SPK RELAY on)
O AD Power Control pin (L: Off, H: On)
O Not used
I Speaker protect detection signal input from speaker protect circuit (L: abnormal, H:normal)
Headphone connection detection signal input (L:Headphone disconect, H: Headphone con-
I
nect)
I Jog dial pulse input A from the MASTER VOLUME encoder
I Jog dial pulse input B from the MASTER VOLUME encoder
O Not used
O Chip enable signal output for the Tuner
I Not used
I RDS Text Detection Signal input
O Not used
O Not used
O Not used
O Segment drive signal output for the liquid crystal display panel
- Power supply pin (+3.3V)
- Ground terminal
O Segment drive signal output for the liquid crystal display panel
- Bias power supply for the liquid crystal display panel
O Common drive signal output for the liquid crystal display panel
O LCD back light LED ON/OFF control signal output
I CD lid open/close detection switch
- Ground terminal
- Power supply pin (+3.3V)
I/O Tuner IC data signal for IIC communcation
Description