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• IC Pin Function Description
PANEL BOARD IC801 (SYSTEM CONTROLLER)
LC877448A-54A6-E (CX-J3000)
Pin No.
Pin Name
1
O_CD_RST
2
O_TU_CE
3
O_CD_DATA
4
I_CD_DATA
5
O_CD_CLK
6
O_TU_DATA
7
I_TU_DATA
8
O_TU_CLK
9
I_CD_DRF
10
O_AMP_ON2
11
RES
12
I_XT1
13
O_XT2
14
VSS1
15
I_CF1
16
O_CF2
17
VDD1
18
I_POWER_DN
19
I_PROTECT
20
I_SUFFIX
21
I_OP_BATT
22
I_CD_LID
23
I_VOL_ENC
24, 25
I_KEY1, I_KEY2
26
I_CD_WRQ
I_MP3_INTB/
27
I-HP
28
I_CD_FSEQ
29
I_REM
30
I_A_MODE
31
I_A_PHOTO
32
I_A_HALF
33
I_REC_FWD
34
I_B_PHOTO
All manuals and user guides at all-guides.com
LC8774725C-54A4-E (CX-J3000M)
I/O
Reset signal output to the CD DSP "L": reset (CX-J3000)
O
Reset signal output to the CD DSP and MP3 decoder "L": reset (CX-J3000M)"
O
Chip enable signal output to the PLL
O
Serial data output to the CD DSP (CX-J3000)
Serial data output to the CD DSP and MP3 decoder (CX-J3000M)
Serial data input from the CD DSP (CX-J3000)
I
Serial data input from the CD DSP and MP3 decoder (CX-J3000M)
O
Serial clock signal output to the CD DSP (CX-J3000)
Serial clock signal output to the CD DSP and MP3 decoder (CX-J3000M)
O
Serial data output to the PLL
I
Serial data input from the PLL
O
Serial clock signal output to the PLL
I
DRF signal input from the CD DSP
O
Not used
Reset signal input terminal "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it
I
changes to "H"
I
Not used
O
Not used
–
Ground terminal
I
Main system clock input terminal (8.64 MHz)
O
Main system clock output terminal (8.64 MHz)
–
Power supply terminal (+3.3V)
I
Power down monitor input terminal "L": power down
I
Abnormal voltage monitor input terminal (A/D input)
I
Destination setting terminal (A/D input)
Battery drive detection signal input terminal "L": DC power, "H": AC power
I
(CX-J3000 only)
CD lid open/close detection signal input terminal "L": CD lid is closed, "H": CD
I
lid is opened
I
Jog dial pulse input from the rotary encoder (VOLUME)
I
Front panel key input terminal (A/D input)
I
WRQ signal input from the CD DSP
Headphone in detection signal input terminal "L": headphone in (CX-J3000)
I
INTB signal input from the MP3 decoder (CX-J3000M)
I
FSEQ signal input from the CD DSP
I
Remote control signal input from the remote control receiver
Deck A mode detect switch input from the tape mechanism deck block
I
"L": Deck A mode
Deck A side photo sensor detection signal input from the tape mechanism deck
I
block
Deck A side cassette in detect switch input from the tape mechanism deck
I
block "L": cassette in
Recording-proof (forward direction) detection signal input from the tape
I
mechanism deck block "L": recording possible
Deck B side photo sensor detection signal input from the tape mechanism deck
I
block
CX-J3000/J3000M
Description
43
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