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Input Voltage
TYPE 1
(V)
Pin 91
0.00
1.23
RXD-V535
1.25
2.48
RXD-535S
2.50
3.73
RXD-737S
3.75
5.00
RXD-636
Input Voltage
KEY3
KEY2
KEY1
(V)
Pin 94
Pin 95
Pin 97
0.00~0.23
REV.MODE
-
POWER
0.26~0.75
REC
EX.BASS
DISPLAY/DEMO
0.79~1.29
TAPE EQ.
CD PLAY/PAUSE
TUNING MODE
1.33~1.84
OPEN/CLOSE
BAND
MENU
1.88~2.38
DISC SKIP
TAPE B FWD/
REV PLAY
SOUND
2.42~2.93
DISC3
TAPE A FWD/
REV PLAY
SELECT
2.96~3.45
DISC2
AUX
BACK
3.49~3.98
DISC1
STOP
ENTER
4.01~4.52
-
-
-
4.54~4.80
KEY OFF
KEY OFF
KEY OFF
RXD-V333/V535//V636/V737
6
CIRCUIT DESCRIPTION
4. Microprocessor: M30622MA-A76FP
4-1 Microprocessor Periphery Block Diagram
X28,IC1
DECK SYSTEM IC
(CXA1498S)
6
X13,IC1
3
DECK MECHA
SYSTEM IC
(M62498AFP)
X14,IC1
5
FL DRIVER
(LC75711NED)
4
X13,IC2
50
M30622MA-A76FP
2
X14,ED1
Vaccume Fluorescent
Display
(HNA-15MM18T)
TUNER PACK
3
PLL IC
(LC72131)
X32,IC5
3
6
DSP IC
(CXD3008Q)
3
5
CD MECHA
7
CDM-35
X32,IC12
X32,IC9
MPEG DECODER
VIDEO AUDIO DAC
X32,IC11
X32.IC13
S-DRAM
RAM
4-2 Key Matrix
The input voltage value : for [4.8V] in a standard voltage
4-3 Discrimination of Destination