Sony Corporation 1999
Printed in Japan
3-867-640-11 (1)
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HI–CURRENT HI–VOLTAGE OVER CURRENT OFFSET
POWER/PROTECTORMODE
THERMAL
MODE
HI-CURRENT HI-VOLTAGE
TEST TONE
BOOST/
LOW CUT
FREQ
7Hz 40Hz
BOOST
LEVEL
0dB +10dB
LEVEL
MIN MAX
50Hz 200Hz
DIRECT
FILTER
OFF ON
LPF
OFF HPF
NFB
OFF ON
10
dB
0
-10
-20
-30
-40
-50
-60
-70
-80
10 100 1k
Hz
HIGH PASS
50Hz
80Hz
150Hz
200Hz
50Hz
LOW PASS
80Hz
150Hz
200Hz
+12
dB
0
-12
-24
-36
1 10 100 1k
Hz
R
L
L
R
TEST
Buffer
Buffer
TONE
Level
H.P.F
Filter
L.P.F
OFF
OFF
OFF
ON
NFB
Power Amp
(Voltage Stage)
Power Amp
(Final Stage)
ON
Direct
Direct
Cont ro l
H.P.F
BOOST
L.P.F
Level
H.P.F
Filter
L.P.F
OFF
OFF
OFF
ON
NFB
Power Amp
(Voltage Stage)
Power Amp
(Final Stage)
ON
Direct
Direct
Cont ro l
OU TP U T
(THROUGH)
H.P.F
BOOST
L.P.F
#
#
#
#
*
*
*
*
*
*
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOTEGND
FILTER
LPF HPFOFF
LOW BOOST/
LOW CUT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB+ 10dB
OFF ON
LEVEL
MINM AX
50Hz 200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUGH)
L
(MONO)
R
L
R
25
*
*
*
*
*
*
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOTEGND
FILTER
LPF HPFOFF
LOW BOOST/
LOW C UT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB +10dB
OFF ON
LEVEL
MINMAX
50Hz200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUGH)
L
(MONO)
R
L
R
25
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOT EGND
FILTER
LPF HPFOFF
LOW B OOST/
LOW CUT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB +10dB
OFF ON
LEVEL
MINMAX
50Hz 200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUGH)
L
(MONO)
R
L
R
25
*
*
*
*
*
*
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOTEGND
FILTER
LPF HPFOFF
LOW BOOST/
LOW C UT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB +10dB
OFF ON
LEVEL
MINMAX
50Hz200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUGH)
L
(MONO)
R
L
R
25
*
*
*
*
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOTEGND
FILTER
LPF HPFOFF
LOW BOOST/
LOW C UT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB +10dB
OFF ON
LEVEL
MINM AX
50Hz 200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUGH)
L
(MONO)
R
L
R
25
*
*
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOTEGND
FILTER
LPF HPFOFF
LOW BOOST/
LOW C UT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB +10dB
OFF ON
LEVEL
MINMAX
50Hz200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUG H)
L
(MONO)
R
L
R
25
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOTEGND
FILTER
LPF HPFOFF
LOW B OOST/
LOW CUT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB+10dB
OFF ON
LEVEL
MINMAX
50Hz 200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUGH)
L
(MONO)
R
L
R
25
*
*
* *
*
*
*
*
*
*
*
*
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOTEGND
FILTER
LPF HPFOFF
LOW BOOST/
LOW C UT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB+ 10dB
OFF ON
LEVEL
MINM AX
50Hz 200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUGH)
L
(MONO)
R
L
R
25
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOTEGND
FILTER
LPF HPFOFF
LOW BOOST/
LOW C UT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB +10dB
OFF ON
LEVEL
MINMAX
50Hz200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUGH)
L
(MONO)
R
L
R
25
*
*
*
*
*
*
TEST TONE
MONO
A + B
SPEAKER OUT
BA
25A
25
MODE
HI-CURRENT HI-VOLTAGE
25A
+12V REMOTEGND
FILTER
LPF HPFOFF
LOW B OOST/
LOW CUT
FREQ
BOOST
LEVEL
DIRECT
7Hz 40Hz 0dB+10dB
OFF ON
LEVEL
MINMAX
50Hz 200Hz
NFB
OFF ON
INPUT OUTPUT
(THROUGH)
L
(MONO)
R
L
R
25
