MyBinding DC-545HC Service Manual page 162

(2) Connector, VR and LED layout
1) Main P.W.B. Unit N4-V300*
CN10 CN2 CN5
SW1
SW2
CN11
2) Panel P.W.B. Unit N4-V301*
CN2
3) Power P.W.B. Unit N4-V302*
FUSE (250 V 8 A)
CN8
U32
ROM
VR1
VR2
Chap.8
CN4
CN1
CN3
159
x Position and Function of Electronic Parts
CN9
CN7 CN6
Buzzer
CN1
CN14