Board Descriptions
A - 48
OF 5300/5600 Serv Man, P/N 59278301
Block Diagram of PWU (power supply unit) (Figure A3.6.1)
Filter
ACIN
SW1
Filter
Heater
control
circuit
F1
F2
+30V power
supply circuit
+5V power
supply circuit
+/- 8V power
supply circuit
0V
+5V
IOGA
+30V
0VP
+5V
0V
+8V
-8V
CVONV-N
HEAT-N
+30V
0VP
+5V
0V
+8V
-8V
HEATON
CVOPN-N
DBPWM
DB1ENB/DB2ENB
TR1PWM/TR2PWM
CHPWM
TONER-N
PAPER-N
PSIN1-N/PSIN2-N
WRSNS-N
PSIN2-N
THERM
TNRSNS-N
PAPER-N
PSIN1-N/PSIN2-N
WRSNS-N
PSIN2-N
THCHK
CN3
CN1
A15, B15
A16, B16
B11-B13,
A13
A8-A10,
B8, B9
A14
B14
B7
A7
A5
A4, B4
A11, B5, A6, B10
B6
A2
A1
B2
B1
B3
A12
M17
1VP(120V), 2VP(230V)
PC1
SW2
DS1
T1: see note
ACOUT(L)
ACOUT(N)
SB
DB
CB
TR
CH
+5V
TH1
TH2
D10. D11. C13, C14 etc.
IC1, Q1, C10 etc.
D6, C7, R53 etc.
L101, R1
L1, C3, VR2
PC1, C4, D1,
L2, R2, R3
Note: The T1 (transformer 1) is mounted on the base plate.
(Toner supply roller)
(Developing roller)
(Cleaning roller)
(Transfer roller)
(Charging roller)
IC2
Driver
Driver
Driver
Driver
Driver
To IOGA
ISEN/VSEN
Summary of Contents for OF5600
Page 376: ...Illustrated Parts List D 2 OKIFAX 5300 5600 Service Manual P N 59278301 1 Cabinet Assembly...
Page 388: ...Illustrated Parts List D 14 OKIFAX 5300 5600 Service Manual P N 59278301 5 Scan Unit...
Page 394: ...Illustrated Parts List D 20 OKIFAX 5300 5600 Service Manual P N 59278301 8 Option Telephone...