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SCHEMATIC DIAGRAM - 6
MAIN CIRCUIT
SP_B
SP_A
S/C_SP
MMD
+14V
Q706
+5.6V
<5.54V>
S-DET
R728
R729
270K
270K
-27V
I
H
-14V
J
K
L
Q
1 2 3 4 5 6 7
1 2 3 4 5 6 7
8
CN505
TO
TO
PANEL CIRCUIT
PANEL CIRCUIT
(CP505) ON
(CP504) ON
SCHEMATIC
SCHEMATIC
DIAGRAM-3
DIAGRAM-3
:+B SIGNAL LINE
:-B SIGNAL LINE
Q651
<0V>
<-0.3V>
<-9.33V>
Q651,Q653
RVTDTA143XST
RELAY DRIVE CONTROL
D619
RVD1SS133TA
D616
Q706
2SC3940AQSTA
MTZJ10CTA
SWITCHING
<0V>
Q701
<14.32V>
<14.37V>
R713
R711
R714
<14.97V>
7.5K
39
39
<15.58V>
R708
<13.9V>
1.5K
C710
<6.77V>
<6.17V>
0.01
R712
C715
6.8K
D705
16V100
MTZJ6R2BTA
D707
MTZJ30BTA
C714
D708
25V47
MTZJ16CTA
<-29.39V>
Q707
R725
<-28.83V>
<-34.9V>
Q708
820
C713
<-17.34V>
0.01
<-16.66V>
<-25.34V>
Q708
2SB1548PQAU
REGULATOR
Q707
2SA1534AQRTA
REGULATOR
L751 RLQB101KTA-Y
1 2 3 4 5 6 7
8
CN504
TO
PANEL CIRCUIT
(CP902) ON
SCHEMATIC
DIAGRAM-3
Q653
<-0.3V>
<-0.5V>
R640
6.8K
<-9.31V>
Q607
<4.27V>
<-25.53V>
<4.36V>
Q606
<4.3V>
R723
<24.9V>
1.2
Q703
<25.43V>
R707
<24.67V>
220
Q723
<25.02V>
<0V>
C708
R705
0.01
4.7K
R706
1K
<15.6V>
C707
35V100
Q704
<6.17V>
Q703-Q704
2SC1740SSTA
REGULATOR
D732
RVD1SS133TA
<5.02V>
C712
Q725
50V10
<0V>
<0V>
C711
R722
0.01
12K
<5.08V>
R721
<-25.35V>
560
Q724
R724
1.2
<-25.67V>
Q724
RVTDTC114EST
REGULATOR
Q725
RVTDTC114YST
REGULATOR
C758
25V100
1 2 3 4 5 6 7
8
8
9
CN902
Q601-Q603,Q607
RVTDTA143XST
RELAY DRIVE CONTROL
R623
6.8K
Q601
Q603
<-0.55V>
<-0.54V>
<-0.55V>
<-0.64V>
<-0.7V>
<-7.18V>
<0V>
Q606
RVTDTA114EST
SIGNAL AMP
Q701
2SD2374PQAU
REGULATOR
Q723
RVTDTA114EST
REGULATOR
C721
0.1
D701-D704
C702
1N5402BM21
0.1
R727
R726
100
100
M
N
O
P
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
10 11
TO
PANEL CIRCUIT
(CN901A) ON
SCHEMATIC
DIAGRAM-4
Q602
<-0.5V>
<4.73V>
<25.56V>
D721-D728
1N5402BM21
J
I
H
L
K
CN901B
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