Yamaha BBG5S Manual de servicio - Página 4
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BBG5S
PART NO.
DESCRIPTION
REF NO.
QC354700
Circuit Board Assembly
IC1
IG028400
IC
D1
IF000040
Diode
VR3,4
QC251700
Variable Resistor
: New Parts
CIRCUIT BOARDS
Component side
IC BLOCK DIAGRAM
NJM4558D-Y (IG028400)
Dual Operational Amplifier
Output A
1
+V
8
Inverting
2
7
Input A
-
+
Non-Inverting
3
6
+
-
Input A
-DC Voltage Supply
4
-V
5
4
NJM4558D-Y
1S1555
B50K ohm CC
TREBLE
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
BASS
Component side
to Battery
to Balance
REMARKS
QTY RANK
BB G5S
OP AMP
TREBLE,BASS
RANK : Japan only
to Volume
09
03
01
04