RXD-M32
12
CIRCUIT DESCRIPTION
SINGLE CD
MECHA.
KSL213CCM
CASSETTE DOOR
MECHA.
A/D KEY
INPUT
TYPE
STANDBY/
TIMER
LED
MUTING
CONTROL
CIRCUIT
CD D.S.P IC
CDX3017Q
X32,IC3
DECK
MECHA.
CIRCUIT
AUTO REVERSE
CASSETTE
ADR-2176TR3
DECK CONTROL
CIRCUIT
HA12219NT
M30622MA-
1A5
FP
M30624MG-
307
FP
M-COM
TUNER PLL IC
LC72131
X14,IC2
X29,IC114
X29,IC106
X29,IC105
RDS IC
SAA6579T
X14
X29
BACK LIGHT
CIRCUIT
AMP
AUDIO
OUTPUT
CIRCUIT
(MD VERSION ONLY)
LCD MODULE
REMOTE
CONTROL
SELECTOR IC
M62498AFP
MD MECHA. UNIT
MDM99D
5. Main Microprocessor : X29(IC104) M30622MA-1A5FP (DECK VERSION)
M30624MG-307FP (MD VERSION)
5-1 Main Microprocessor Periphery Block Diagram
INPUT
KEY1
KEY2
VOLTAGE(V)
Pin90
Pin91
0.00
0.23
TUNER/BAND
SET/ DEMO
0.24
0.67
STOP
MENU
0.68
1.12
TAPE REC
SKIP UP
1.13
1.60
TAPE PLAY (F PLAY)
SKIP DOWN
1.61
2.02
MD REC
(TAPE O.T.E.)
SOUND
2.03
2.74
MD PLAY (R PLAY)
AUX
2.75
2.47
MD EJECT
(TAPE EQ)
-
2.48
3.37
CD PLAY
-
3.38
3.82
CD OPEN/CLOSE
-
3.83
4.27
POWER
-
4.28
4.74
TAPE OPEN/CLOSE
-
4.75
5.00
KEY OFF
KEY OFF
5-2. Key Matrix
Vref=5V
( ) Deck Version