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KRF-X9995D/X9995D-S/VR-5700/5900
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3 7 63 1515 0
7. Description of the Circuit Control
7-1 Fan Control (X13,IC3)
Fan
FAN STOP
FAN LOW SPEED
FAN HI SPEED
FAN LOW SPEED
FAN HI SPEED
7-2 Door Open/Close Control : FL Driver(X25,IC1)
KRF-X9995D/VR-5900 only
DOOR OUT1(42Pin) DOOR OUT2(41Pin)
OPEN
CLOSE
STOP
BREAK
7-3 Open Close Sensor(X13,IC3 : Main u-com)
KRF-X9995D/VR-5900 only
END OF OPEN ACTION
END OF CLOSE ACTION
7-4 Relay Control : X13,IC3(Main u-com)
SELECTOR
PHONO
TE
L 13942296513
TUNER
CD1
MD/TAPE1
CD-R
CD2/TAPE2 MONITOR
VIDEO1
VIDEO2
VIDEO3
VIDEO4
DVD
AV/AUX
8. Sub microcomputer: uPD784224K507(X08, IC43)
8-1 Sub microcomputerperiphery block diagram
www
.
10
CIRCUIT DESCRIPTION
10W(91Pin)
1W(92Pin)
H
H
H
L
L
L
H
H
H
L
L
L
1
0
0
1
0
0
1
1
OPEN
CLOSE
SENS(59Pin) SENS(58Pin)
0
1
1
0
RELAY CONT.(63Pin)
0
1
X13, IC3
Main u -Com
X25,IC11
X08, IC5
Digital
Selector
X13
Video
x
ao
Selector
y
IC502,504,505
IC603,604
i
IC701~703
X08, IC31
8
THERMAL SW(55Pin)
FAN ON/OFF(90Pin)
L
L
L
H
H
H
7-5 IR Remote Control
WITH RF
RF ON
VERSION
RF OFF
FRONT
WITHOUT
RF VERSION FRONT
IR OFF
7-6 P Macro Video Switch(X13,IC505)
SELECTOR
VIDEO1
VIDEO2
VIDEO3
VIDEO4
Q Q
DVD
3
6 7
1 3
7-7 Video/TV Detection : X13,IC3
Video Detection
Video Signal
Yes
No
TV Detection
TV POWER
ON
OFF
X08, IC43
Sub Microcomputer
u163
.
D S P
2 9
9 4
2 8
FAN H/L(89Pin)
0
1
1
1
1
1
X25,IC401 X25,IC401 IR SELECT
RF IN
IR IN
(7Pin)
(6Pin)
X
O
O
X
X
O
IR ON
O
X
P MACRO
P Macro
A(3Pin)
B(4Pin)
0
0
0
1
1
0
1
1
0
0
1 5
0 5
8
2 9
P Macro IN(62Pin)
H
L
TV SENS.(34Pin)
H
L
X08, IC7
A/D
X08, IC11,14
IC17, 20
D/A
m
X08, IC6
DIR
co
9 9
1
1
0
1
1
0
X13,IC3
(93Pin)
0
1
0
1
P Macro
C(5Pin)
0
0
0
0
1
9 4
2 8
9 9
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