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HCD-GZR888D/GZR999D
75
MAIN BOARD (1/3) IC501
μ
PD78F1105GF(S)-GAS-AX (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
IIC SCL
O
IIC clock (GC micon) signal output
2
IIC SDA
O
IIC data (GC micon) signal output
3
O-FRONT-MUTE
O
Front speaker output mute (L: mute ON)
4
O-SW-MUTE
O
Subwoofer output mute (L: mute ON)
5
O-TC-CAPM-CNT
O
Capstan motor control signal output (Except E2, E51, AR, MX model)
6
O-TC-TRIG
O
Tape deck trigger plunger control signal output (Except E2, E51, AR, MX model)
7
I-TC-SHUT
I
Tape deck shut off control signal input (Except E2, E51, AR, MX model)
8
O-DVD-POWER
O
DMB19 board power supply control signal output
9
O-iPod/WM-POWER
O
iPod adaptor power supply control signal output (H: power supply) (Not used in this set)
10
O-USB-POWER
O
USB power supply control signal output
11
O-GC/LCD-RESET
O
LCD reset signal output
12
I-TU-RDS-INT
I
Tuner RDS initial setting signal input (Not used in this set)
13
I-AC-CUT
I
AC cut decision signal input (L: AC cut)
14
NC
O
Not used (Open)
15
O-AUDIO_IC-DATA
O
R2A15216FP (IC101) communication (Data) signal output
16
O-AUDIO_IC-CLK
O
R2A15216FP (IC101) communication (Clock) signal output
17
O-TC-REC/PB_SW
O
Tape deck control signal output (Except E2, E51, AR, MX model)
18
O-TC-REC-MUTE
O
Tape deck recording mute signal output (Except E2, E51, AR, MX model)
19
O-TC-REC-BIAS
O
Recording bias control signal output (Except E2, E51, AR, MX model)
20
EVSS1
—
Ground
21
O-STK-MUTE
O
Front speaker output mute signal output (L: mute)
22
I-iPod/WM-OVER-
CURRENT
I
iPod over-current detect signal input (Not used in this set)
23
I-USB-OVER-CURRENT
I
USB over-current detect signal input
24
O-FRONT-SP-RELAY
O
Front speaker relay control signal output (L: relay ON)
25
I-TUNER-RDS
I
Tuner RDS data signal input (Not used in this set)
26
O-TU-DI
O
Tuner IC communication (Data: MCU
t
TUNER) signal output
27
O-TU-CLK
O
Tuner IC communication (Clock) signal output
28
I-TU-DO
I
Tuner IC communication (Data: MCU
T
TUNER) signal input
29
O-TU-CE
O
Tuner IC communication (Chip enable) signal output
30
EVDD1
—
Power supply pin (+3.3 V)
31
I-TU-TUNE
I
Tuner tuned data input
32
I-CDM-OPEN
I
Disc tray open signal input (L: open)
33
I-CDM-TBL-ADR-SW
I
Disc tray position signal input
34
O-CDM-TM-F
O
Disc table motor control signal output
35
O-CDM-TM-R
O
Disc table motor control signal output
36
O-CDM-LM-F
O
Disc tray motor control signal output
37
O-CDM-LM-R
O
Disc tray motor control signal output
38
O-SW-SP-RELAY
O
Subwoofer relay control signal output (L: relay ON) (HCD-GZR999D only)
39
O-MTK-A/D-IN-SEL
O
DMB19 board input audio signal control signal output (L: mic, H: audio)
40
I-ACF-DET
I
AC power supply frequency detect signal input
41
O-MTK-MTRST
O
MTK IC reset signal output (L: reset)
42
I-DVD-XIFS
I
DMB19 board communication signal input
43
O-MTK-IFBSY
O
DMB19 board communication (Interface busy) signal output
44
O-MTK-DATA
O
DMB19 board communication (Data: MCU
t
DMB19 board) signal output
45
I-MTK-DATA
I
DMB19 board communication (Data: MCU
T
DMB19 board) signal input
46
I-MTK-CLK
I
DMB19 board communication (Clock) signal input
47
AVREF1
—
Analog reference voltage (+3.3 V)
48
O-FAN
O
Fan motor control signal output (Not used in this set)
49
O-STBY-RELAY
O
Main power relay signal output (H: relay ON)
50
AVREF0
—
Analog reference voltage (+3.3 V)
51
AVSS
—
Analog ground
52
I-POWER-
MONITOR(ACP)
I
Main power monitor signal input
53
I-MODEL
I
Model identi
fi
cation signal input
54
I-DESTINATION
I
Destination identi
fi
cation signal input
55
DVD-POWER-
MONITOR(3.3V)
I
MTK board power monitor signal input
56
I-CDM-ENC(E1,E2,E3)
I
Disc tray signal input