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WIRING DIAGRAM Version /B and /C
La4
TB3
NTC3
La3
TCO2
SK3
✂
Remove two "ground loops" (Cut out these wires)
Red
LS2
from this connection
Sound Board
J3
Headphones
PCB2
Line-in
Service PCB
PCB5
M2
Lp
B
N
S2
SK4
Remove the wires as far as possible
Yellow
from this connection
J1
J2
J4
Loose
connector
Resistor in
/C version
N
PCB4
User Interface Panel
TB1
N
L
SMPS
PCB1
J5
HB935/A /B /C /D
La2
La1
TCO1
SK2
S1
B
Lp
M1
Relay Board
J6
PCB3
Mains
NTC2
TB2
NTC1
SK1
LS1
Brown
Blue
Purple
Red
Yellow
Green
Black
White
10-12
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