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