Yamaha BBG5S - Circuit Diagrams and Wiring; Circuit Boards; IC Block Diagram

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