Brother International HL-3400CN Service Manual - Page 82
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Layout of PCBs 3. Control panel PCB (Panel PWB) 10. High-voltage power supply (HVU) PCB 1. Video controller PCB 9. Power supply (LVPS) PCB HL-3400CN SERVICE MANUAL 6. Erase lamp 8. 1OD2 PWB 7. IOD1 PWB 2. Engine controller PCB (MCTL PWB) Fig. 4-29 4. LDU PCB 5. PDU PCB 4-31
HL-3400CN
SERVICE
MANUAL
Layout
of
PCBs
3.
Control
panel
PCB
(Panel
PWB)
10.
High
-voltage
power
supply
(HVU)
PCB
1.
Video
controller
PCB
9.
Power
supply
(LVPS)
PCB
6.
Erase
lamp
8.
1OD2
PWB
7.
IOD1
PWB
Fig.
4-29
2.
Engine
controller
PCB
(MCTL
PWB)
4.
LDU
PCB
5.
PDU
PCB
4-31