3
3
SA-GN1
SECTION 1
GENERAL
This section is extracted from
instruction manual.
• LOCATING THE CONTROLS
– Front View (a part) –
– Rear View (a part) –
INPUT
INPUT
For schematic diagrams.
Note:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise specifed.
•
C
: panel designation.
Note:
The components identified by mark
0
or dotted line with
mark
0
are critical for safety.
Replace only with part number specified.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages are dc with respect to ground under no-signal conditions.
no mark : Power on
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
•
Signal path.
F
: AUDIO
For Printed Wiring Boards:
Note:
•
X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• Circuit Boads Location
POWER SWITCH board
MAIN board
INPUT board
POWER TRANS board
PANEL board
SECTION 2
DIAGRAMS
POWER
CUT OFF FREQ
POWER
POWER indicator
SUBWOOFER LEVEL
MIN
MAX
CUT OFF FREQ
SUBWOOFER LEVEL
50Hz
200Hz
