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– A BOARD –
A
AUDIO AMP, PC IN,
BACK LIGHT
NC1NC 8
V+
2+INPUT 7
OUTPUT
100kΩ
50kΩ300Ω
3-INPUT
6
POWER
GND
4GND 5
BIAS
+
-
A BOARD : IC501 NJM2070M
DIODE
*
D406 G-5 6
D601 G-4 3
D602 D-4 5
D603 G-4 4
D604 C-5 3
D605 C-4 3
D701 D-3 –
IC
IC501 G-5
TRANSISTOR
*
Q401 G-5 1
Q601 C-4 2
Q602 D-4 2
Q603 F-4 2
Q610 C-5 2
Q701 G-3 2
Q702 G-3 2
VARIABLE
RESISTOR
RV450 C-6
RV501 D-5
RV601 C-5
A BOARD
IC501 1 -
20
3 0.6
4 GND
5 GND
6 1.3
7 3.4
8-
All voltage are in V.
- : Not used
Pin Volt
A BOARD IC
VOLTAGE LIST
Q401 13.9 30.5 13.4
Q601 0.5 1.2 GND
Q602 0.7 3.1 0.2
Q603 0.2 3.0 GND
Q610 30.7 0.5 30.7
Q701 0 3.0 GND
Q702 0 3.0 GND
BCE
A BOARD TRANSISTOR
VOLTAGE LIST
All voltage are in V.
< Component Side >
< Conductor Side >
NOTE:
•
: Pattern from the side which enables seeing.
•
: Pattern of the rear side.