1.Outward Form
:
100 pins QFP
2.Terminal Description
pin 1
:
CONT
:
O
:
LCD contrast control output.
pin 2
:
TIME-BASE
:
IN
:
Time base signal input from the PLL IC.
pin 3
:
CD SBSY
:
IN
:
Sub Q data request input from the CD IC.
pin 4
:
PLL-CE
:
O
:
Chip enable signal output to the PLL IC.
pin 5
:
REMOCON
:
IN
:
Remote-controller signal input terminal.
pin 6
:
BYTE
:
IN
:
Input “L” at single mode operation.
pin 7
:
VSS
:
IN
:
Input “L” at single mode operation.
pin 8
:
JOG-CW
:
IN
:
JOG pulse input.
pin 9
:
JOG-CCW
:
IN
:
JOG pulse input.
pin 10
:
RESET
:
IN
:
Reset signal input. Negative logic.
pin 11
:
X-OUT
:
O
:
Crystal connection.
pin 12
:
NC
: — :
Connected to GND.
pin 13
:
X-IN
:
IN
:
Crystal connection.
pin 14
:
VCC
: — :
Positive supply voltage.
pin 15
:
NMI
:
IN
:
Connected to VCC.
pin 16
:
ACC DET
:
IN
:
ACC detection signal input.
pin 17
:
B/U DET
:
IN
:
Backup voltage OFF signal input.
pin 18
:
KEY INT
:
IN
:
Interrupt signal input of FUNC or EJECT key.
Negative logic.
pin 19
:
27pin CONNECT
:
IN
:
Connect to pin 27.
pin 20
:
MOTOR+
:
O
:
Slope Mechanism motor control signal output.
pin 21
:
MOTOR-
:
O
:
Slope Mechanism motor control signal output.
pin 22
:
NC
:
IN
:
Not in use.
pin 23
:
MOTOR REM
:
O
:
Not in use.
pin 24
:
DIR REF
:
O
:
PLL Reference clock output to the
digital-audio-interface-receiver.
pin 25
:
CATS LED
:
O
:
Not in use.
pin 26
:
Pulse Dimmer
:
O
:
Dimmer pulse output for LCD back light.
pin 27
:
RX
:
IN
:
Reception signal.
pin 28
:
TX
:
O
:
Transmission data.
pin 29
:
NC
:
IN
:
Connected GND.
pin 30
:
NC
:
IN
:
Connected GND.
pin 31
:
Z-MUTE
:
O
:
CD Z-MUTE control.
pin 32
:
EX-AMP REMOUT
:
O
:
External audio amplifier ON signal output.
pin 33
:
LCD SO
:
O
:
Serial data output to the LCD driver.
pin 34
:
LCD SI
:
IN
:
Serial data input from the LCD driver.
pin 35
:
LCD CLK
:
O
:
Serial data clock output to LCD driver.
pin 36
:
LCD KEY REQ
:
IN
:
Key request signal input from the LCD driver.
pin 37
:
LCD CS
:
O
:
Chip select signal output to the LCD driver.
pin 38
:
INT 1
:
IN
:
In U.S.A., it is “L”; In 3rd Area, it is “H” .
pin 39
:
INT 2
:
IN
:
In U.S.A., it is “L”; In 3rd Area, it is “L” .
pin 40
:
LD MUTE
:
O
:
Connected to CD MECHA.
pin 41
:
LD CONT
:
IN
:
Connected to CD MECHA.
pin 42
:
CD TR-A
:
IN
:
Photo sensor signal input.
pin 43
:
CD TR-B
:
IN
:
Photo sensor signal input.
pin 44
:
CHU SW
:
IN
:
Connected to CD MECHA.
pin 45
:
SSTOP
:
IN
:
Connected to CD MECHA.
pin 46
:
CD RESET
:
O
:
Reset signal output to the CD mechanism
controller.
pin 47
:
CD CCE
:
O
:
Chip enable signal output.
pin 48
:
CD BUC K
:
O
:
Clock pulse output to the CD IC.
pin 49
:
CD BUC 3
:
O
:
Communication line with the CD IC.
pin 50
:
CD BUC 2
:
O
:
Communication line with the CD IC.
pin 51
:
CD BUC 1
:
O
:
Communication line with the CD IC.
pin 52
:
CD BUC 0
:
O
:
Communication line with the CD IC.
pin 53
:
CD +8V
:
O
:
Power supply ON signal output for the
Loading motor and the Photo sensors.
pin 54
:
CD 5V
:
O
:
Power supply control signal output for the
CD IC/DAC IC. “H”=ON.
pin 55
:
DIR E/OUT
:
IN
:
Emphasis flag output from the digital-audio-
interface-receiver.
pin 56
:
DIR ERROR
:
IN
:
Error detection signal input. Negative logic.
“L”=digital in. “H”=analog in.
pin 57
:
DIG RESET
:
O
:
Reset pulse output.
pin 58
:
DAC DATA
:
O
:
Serial data output to the DAC.
pin 59
:
DAC CLK
:
O
:
Clock pulse output to the DAC.
pin 60
:
VDD
: — :
Connected to GND.
pin 61
:
DAC-CSN
:
O
:
Chip select signal output to the DAC.
pin 62
:
NC
:
IN
:
Connected to GND.
pin 63
:
OPEN POSI
:
IN
:
Open flag input from the slope mechanism.
pin 64
:
CLOSE POSI
:
IN
:
Close flag input from the slope mechanism.
pin 65
:
ST / SD
:
IN
:
Station detection signal input.
pin 66
:
NOISE_DCHG
:
O
:
Not in use.
pin 67
:
MUTE_SPEED_UP
:
O
:
Muting speed up signal output.
pin 68
:
NC
:
O
:
Not in use.
pin 69
:
NC
:
O
:
Not in use.
pin 70
:
NC
:
IN
:
Connected to GND.
pin 71
:
NC
:
IN
:
Connected to GND.
pin 72
:
DIG 5V
:
O
:
5V power supply ON signal output for the
digital section.
pin 73
:
NC
:
IN
:
Connected to GND.
pin 74
:
E VOL_CLK
:
O
:
Clock pulse output to the E VOL IC.
pin 75
:
E VOL DATA
:
O
:
Serial data output to the E VOL IC.
pin 76
:
BUS IN / OUT
:
O
:
”L”=Output the audio signal to Ce-NET.
pin 77
:
LINE MUTE
:
IN
:
Mute signal output for audio signal of
Ce-NET. Negative logic.
pin 78
:
AMP MUTE
:
O
:
Muting signal output to the internal power
amplifier. Negative logic.
pin 79
:
NAVI MUTE
:
O
:
Not in use.
pin 80
:
SYS_MUTE
:
O
:
System mute signal output. Negative logic.
pin 81
:
PHONE INT
:
IN
:
Telephone interrupt signal input.
pin 82
:
ILL DET
:
IN
:
Illumination ON signal input.
pin 83
:
AMP REM DT_
:
IN
:
Remote controller wire short detection.
pin 84
:
AMP REMOUT
:
O
:
Internal audio amplifier ON signal output.
pin 85
:
AUTO ANT
:
O
:
Motor antenna control signal output.
”H”=Radio ON.
pin 86
:
5V REM
:
O
:
5V power supply ON signal output for
micro computer.
pin 87
:
NOISE
:
IN
:
Connected to GND.
pin 88
:
S-METER
:
IN
:
Connected to GND.
pin 89
:
KEY A / D
:
IN
:
Input terminal of A/D converter for Key
judgment.
pin 90
:
NC
:
IN
:
Connected to GND.
pin 91
:
DISP 5V REM
:
O
:
5V power supply circuit control signal output
for LCD module.
pin 92
:
KEY ILL REM
:
O
:
Key illumination ON signal output.
pin 93
:
SYS ACC
:
O
:
ACC detect signal output to slave micro
computer.
pin 94
:
A VSS
: — :
Connected to GND
pin 95
:
NC
:
IN
:
Connected to GND
pin 96
:
VREF
:
IN
:
Reference voltage.
pin 97
:
A VCC
: — :
Positive supply voltage for the internal
analog section.
pin 98
:
PLL SI
:
IN
:
Serial data input from the PLL IC.
pin 99
:
PLL SO
:
O
:
Serial data output to the PLL IC.
pi n 100
:
PLL CLK
:
O
:
Clock pulse output to the PLL IC.
■
EXPLANATION OF IC:
■
M30624MGA- E71GP 052-3925-00 MASTER MICRO COMPUTER
-7-
DXZ825
Summary of Contents for Addzest DXZ825
Page 6: ... 6 DXZ825 BLOCK DIAGRAM ...
Page 15: ... 15 BLOCK DIAGRAM CD mechanism section 929 0226 80 DXZ825 ...
Page 16: ... 16 EXPLODED VIEW CD mechanism section 929 0226 80 DXZ825 ...
Page 19: ... 19 DXZ825 PRINTED WIRING BOARD CD mechanism section 929 0226 80 ...
Page 20: ... 20 DXZ825 CIRCUIT DIAGRAM CD mechanism section 929 0226 80 ...
Page 21: ... 21 PRINTED WIRING BOARD Switch PWB B2 section DXZ825 ...
Page 23: ... 23 PRINTED WIRING BOARD Main PWB B1 section DXZ825 ...
Page 26: ...CIRCUIT DIAGRAM Main PWB B1 section 3 4 26 DXZ825 ...