A B C D E F G H
1
2
3
4
5
6
I
J
K
L
M
N
7
8
9
10
37
KMA-1080/KMA-980
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked
Z
and must be replaced
with parts having specifications equal to those originally installed.
* Schematic diagram is subject to change without notice.
MAIN 2/2
17.9
17.9
12.3
12.3
-11.6
-11.6
0
0
-16.1
-16.1
9.4
5.1
5.1
9.4
5.1
0
0
12.3
-11.6
00
00
W551
W552
+12V
REGULATOR
-12V
REGULATOR
+5V
REGULATOR
&3
KIA78D05PI-U/P
UPC2405AHF
IC553
IC551:
NJM7812FA
Voltage regulator
INPUT
OUTPUT
COMMON
COMMON (GND)
IC552:
KIA7912PI
Voltage regulator
Q28
Q17
Q18
Q19
Q20
Q31
Q23
Q21
Q22
Q24
Q25
7
2
Q
6
2
Q
Q10
Q11
Q14
Q15
Q16
Q27-1
Q26-1
Q12 Q13
Q8
Q9
Q2
Q7
Q4
Q5
Q6
Q3
Q29
Q30
R0
R1
R2
R14
R17
R19
R20
R21
R22
R23
R24
R25
R26
R3
R4
R5
R6
R10
R11
R12
R13
D4
R9
R7
R8
C2
C1
R16
R15
R18
1
OUTPUT
INPUT
3
2
IC553:
NJM78M05DL1A
Voltage regulator
IN
OUT
GND