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PMA-SA11
SCHEMATIC DIAGRAMS (1/3)
1 2 3 4 5 6 7 8 9 10 11




A




+61.8V


B
+47.7V
+47.0V
+48.8V


+3.4V
+47.0V
+4.7V +2.6V

+2.1V +4.0V

0.7V
+3.4V



1U-3622-13 +48.2V

MAIN VOLUME UNIT C
-0.2V

-1.9V


+0.6V
-3.8V
-3.2V
-44.7V +22.6V -47.2V

-44.3V -47.5V
+49V

1U-3622-1 -61.8V
-49V




D



+61.8V




E


1U-3622-13
MAIN VOLUME UNIT




+49V
F
1U-3622-1 -61.8V
-49V




SIGNAL

G




SCHEMATIC DIAGRAMS (1/3)
1U-2977-1 POWER AMP(L) UNIT H
1U-2977-2 POWER AMP(R) UNIT
1U-2977-3 TR. UNIT (L)
1U-2977-4 TR. UNIT (R)
CD-2




DVD/AUX
1




CD-1
To
1U-3622-14
REC OUT/PRE OUT UNIT
2
SCHEMATIC DIAGRAMS (2/3)
3




-16.2V




+12.3V
+16.2V
4




+14.5V
To To To
1U-3622-10 1U-3622-4 1U-3622-2
REC SEL UNIT BALANCE UNIT TONE UNIT
5




To
1U-3622-1
P.SUPPLY UNIT

To
1U-3622-7
AC UNIT
GND




To
1U-3622-6
6




LED UNIT
+14.5V
7
8




+14.5V
9
10




+12.2V




1U-2978-1 EQ/Input UNIT

1U-2978-4 Function SW UNIT
1U-2978-2 PROTECTOR UNIT
SIGNAL
+14.5V




SCHEMATIC DIAGRAMS (2/3)
11




To To
1U-3622-15 To 1U-3622-15
FLAT AMP UNIT 1U-3622-3 FLAT AMP UNIT
H/P UNIT
PMA-SA11




F
E




H
D
C
B
A




G
PMA-SA11
SCHEMATIC DIAGRAMS (3/3)
1 2 3 4 5 6 7 8 9 10 11

+49.0V




PROTECTOR UNIT
-49.0V




To 1U-2978-2
A




POWERAMP(R) UNIT
To 1U-2977-1
To 1U-2978-2
PROTECTOR UNIT
B
To 1U-2978-1
INPUT UNIT




C




POWERAMP(R) UNIT
To 1U-2977-2
D


+12.2V




PROTECTOR UNIT




PROTECTOR UNIT
To 1U-2978-2




To 1U-2978-2
E


+14.5V
To 1U-2978-2
PROTECTOR UNIT
FUNCTION SW UNIT
To 1U-2978-4




To 1U-2977-1 +61.8V
1U-2977-2
To 1U-2978-1
INPUT UNIT




P.DIRECT F
To 1U-2977-1
To 1U-3622-10 1U-2977-2
REC SEL. UNIT SP TERMINAL(L)
SP TERMINAL(R)
POWER AMP(L)
To 1U-2977-1




+49.0V +57.2V
To 1U-2977-1
1U-2977-2 SCHEMATIC DIAGRAMS (3/3)
-61.8V 1U-3622-1 P.SUPPLY UNIT
1U-3622-2 TONE UNIT
1U-3622-3 H/P UNIT G
1U-3622-5 P.DIRECT UNIT
1U-3622-6 LED UNIT
1U-3622-7 AC UNIT
1U-3622-8 Power SW UNIT
To 1U-2977-2
SIGNAL 1U-3622-9 DEFEAT SW UNIT
POWER AMP(R)
-49.0V -57.2V 1U-3622-10 REC. SEL. UNIT
1U-3622-11 DIODE UNIT
To 1U-2978-1 1U-3622-12 TERMINAL UNIT H
INPUT UNIT
1U-3622-13 MAIN VOLUME UNIT
1U-3622-14 REC OUT,PRE OUT, MAIN IN UNIT
1U-3622-15 FLAT AMP UNIT