Page 1
SCHEMATIC DIAGRAMS (1/3)
1 2 3 4 5 6 7 8 9 10 11
+47.0V
PMA-SA11
A
+61.8V
B
+47.7V
+48.8V
1U-3622-13
MAIN VOLUME UNIT
1U-3622-1
+49V
-49V
-0.2V
-44.3V
+4.7V
-44.7V
+47.0V
+22.6V
+0.6V
-47.2V
-47.5V
+2.1V
-1.9V
+4.0V
-3.8V
+3.4V
+2.6V
0.7V
+3.4V
+48.2V
C
-3.2V
-61.8V
D
1U-3622-13
MAIN VOLUME UNIT
1U-3622-1
+49V
-49V
+61.8V
E
F
-61.8V
SIGNAL
SCHEMATIC DIAGRAMS (1/3)
1U-2977-1 POWER AMP(L) UNIT
1U-2977-2 POWER AMP(R) UNIT
1U-2977-3 TR. UNIT (L)
1U-2977-4 TR. UNIT (R)
G
H
Page 2
SCHEMATIC DIAGRAMS (2/3)
1 2 3 4 5 6 7 8 9 10 11
PMA-SA11
+16.2V
A
CD-1
-16.2V
+14.5V
+12.2V
To
1U-3622-7
AC UNIT
GND
To
1U-3622-1
P.SUPPLY UNIT
+14.5V
To
1U-3622-15
FLAT AMP UNIT
B
To
1U-3622-3
H/P UNIT
C
+14.5V
CD-2
DVD/AUX
+12.3V
D
To
1U-3622-15
FLAT AMP UNIT
To
1U-3622-2
TONE UNIT
To
1U-3622-4
BALANCE UNIT
E
+14.5V
To
1U-3622-6
LED UNIT
To
1U-3622-14
REC OUT/PRE OUT UNIT
SIGNAL
F
G
To
1U-3622-10
REC SEL UNIT
SCHEMATIC DIAGRAMS (2/3)
1U-2978-1 EQ/Input UNIT
1U-2978-2 PROTECTOR UNIT
1U-2978-4 Function SW UNIT
H
Page 3
SCHEMATIC DIAGRAMS (3/3)
1 2 3 4 5 6 7 8 9 10 11
+49.0V
-49.0V
PMA-SA11
A
To 1U-2978-2
PROTECTOR UNIT
To 1U-2978-2
PROTECTOR UNIT
To 1U-2977-1
POWERAMP(R) UNIT
B
To 1U-2978-1
INPUT UNIT
C
To 1U-2977-2
POWERAMP(R) UNIT
D
+12.2V
P.DIRECT
E
To 1U-2978-2
PROTECTOR UNIT
To 1U-2978-2
PROTECTOR UNIT
To 1U-2977-1
1U-2977-2
To 1U-2978-4
FUNCTION SW UNIT
To 1U-3622-10
To 1U-2978-1
INPUT UNIT
REC SEL. UNIT
To 1U-2977-2
POWER AMP(R)
To 1U-2977-1
To 1U-2978-1
INPUT UNIT
+49.0V
POWER AMP(L)
-49.0V
+57.2V
-57.2V
To 1U-2977-1
1U-2977-2
SP TERMINAL(L)
SP TERMINAL(R)
To 1U-2977-1
1U-2977-2
+61.8V
-61.8V
SIGNAL
To 1U-2978-2
PROTECTOR UNIT
+14.5V
SCHEMATIC DIAGRAMS (3/3)
1U-3622-1 P.SUPPLY UNIT
1U-3622-2 TONE UNIT
1U-3622-3 H/P UNIT
1U-3622-5 P.DIRECT UNIT
1U-3622-6 LED UNIT
1U-3622-7 AC UNIT
1U-3622-8 Power SW UNIT
1U-3622-9 DEFEAT SW UNIT
1U-3622-10 REC. SEL. UNIT
1U-3622-11 DIODE UNIT
1U-3622-12 TERMINAL UNIT
1U-3622-13 MAIN VOLUME UNIT
1U-3622-14 REC OUT,PRE OUT, MAIN IN UNIT
1U-3622-15 FLAT AMP UNIT
F
G
H
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