Kenwood KRF-V7773D Service Manual page 8

KRF-V7773D/V7773D-B/V9993D
5-4 Relay Control :X13,IC23(Main u-COM)
PHONO
TUNER
CD1
MD/TAPE1
CD-R
CD2/TAPE2 MONITOR
VIDEO1
VIDEO2
VIDEO3
VIDEO4
DVD
AV AUX
5-6 P MACRO A,B,C(X13,IC23)
P MACRO
A(Pin31)
VIDEO1 0
VIDEO2 0
VIDEO3 1
VIDEO4 1
DVD 0
5-7 A Input Selector
6ch INPUT
OTHER THAN 6ch INPUT
VIDEO1
Room A
VIDEO2
Room A
VIDEO3
Room A
VIDEO4
AV AUX
Room A
DVD
PHONO
Room A
TAPE1/MD
Room A
CD1
Room A
CD-R
Room A
TUNER
Room A
CD2
DIGITAL REC
8
CIRCUIT DESCRIPTION
RELAY CONT.
(Pin 30)
0
1
P MACRO P MACRO
B(Pin32) C(Pin33)
0 0
1 0
0 0
1 0
0 1
X25 IC3 ST1
NJU7313
L 1 L 2 L 3 L 4 L 5 L 6 L 7 L 8
R 1 R 2 R 3 R 4 R 5 R 6 R 7 R 8
5-5 IR Remote Control Sensor Control
(X11,IC201) (X11,IC201)
WITH RF RF ON
VERSION RF OFF
FRONT
WITHOUT IR ON
RF VERSION FRONT
IR OFF
SIGNAL(YES)
SIGNAL(NO)
TV POWER ON
TV POWER OFF
5-8 B Input Selector
X25,IC3
Pin No. Pin No.
L1 2 R1 29
L2 3 R2 28
L3 4 R3 27
L4 5 R4 26
L5 7 R5 24
L6 8 R6 23
L7 10 R7 21
L8 11 R8 20
X25,IC4
Pin No. Pin No.
L1 2 R1 29
TAPE1/MD
L2 3 R2 28
L3 4 R3 27
L4 6 R4 25
L5 7 R5 24
L6 8 R6 23
L7 10 R7 21
L8 11 R8 20
CD2(IN CD2/TAPE2 MODE)
TAPE2(IN CD2/TAPE2 MODE)
IR_SELECT
Pin7 Pin6
(Pin 93 of
X13 IC23)
P MACRO IN(55)
H
L
TV SENS(34)
H
L
X25 IC4
NJU7312
L 1 L 2 L 3 L 4
R 1 R 2 R 3 R 4
Room B
VIDEO1
Room B
VIDEO2
Room B
VIDEO3
Room B
VIDEO4
Room B
DVD
Room B
Room B
CD2
Room B
CD1
Room B
CD-R
Room B
TUNER
0
1
0
1
ST1
L 5 L 6 L 7 L 8
R 5 R 6 R 7 R 8