HP LaserJet 1100 - Page 153

EN Troubleshooting/Maintenance
: Troubleshooting tools
153
Main wiring
543 2 1
F
D
B
A
C
E
678
II. GENERAL CIRCUIT DIAGRAM
1 2 3 4 115 6 7 8 9 10 12 13 14 1516 17 18 19 20
J201
GND
+3.3V +3.3V
+5V
GND GND
VDO
/VDO
/RESET
/BD /SC
/SCLK
GND
+5V
+3.3V
GND
GND(+24VM)
+24VM +24VM
GND(+24VM)
FORMA TTER
4 3 2 11110 9 8 7 6 515 14 13 1220 19 18 17 16
1 2 3 4 115 6 7 8 9 10 12 13 14 15 16 17 18
19 20 21 22 3123 24 25 26 27 28 29 30 32 33 34 35 36
1
2
3
4
5
1
2
3
4
5
5
4
3
2
1
5
4
3
2
1
J601M
J601F
J901F
J901M
DISPLA Y
UNIT
1 2 3 4 115 6 7 8 9 10 12
1 2 3 4 115 6 7 8 9 10 12
J208M
GND
/DEC /ACC
+24V
+5V
GND
VDO
/VDO
CNT1 CNT0
/BDI
+3.3V
J208F
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
4 3 2 1
4 3 2 1
J801F
J801M
J802F
SCANNER
MOT OR
LASER DRIVE
PCB UNIT
PD
LD
+5V
R0
BD
GND
J802
LD801
IC802
LASER FPC
UNIT
3 2 1
J004FJ003F
3 2 1
PS003PS002
M
M001
4 3 2 1
1 2 3 4 5 6
1 2 3 4 5 6
J211M
J211F
+5V
GND
/PISNS
+5V
GND
PAPERSNS
1 2 3 4
1 2 3 4
J401M
J401F
/MB
MB
/MA
MA
1 2
1 2
J204M
J204F
+24V
CPUD
SL
SL001
+5V
GND
/STRB
/SI
/SO
/CLK
J205M
1
2
3
4
5
6
FAND
FANLOCK
GND
J210M
1
2
3
+24V
TONERS
GND
J209M
1
2
3
SW101(200V only)
INL101
FG
1
2
3
1 2
1 2
J102F
J102M
SW301
ENGINE CONTROLLER PCB
J304
HVT CONNECT OR
PS201
TONER
CARTRIDGE
J302 J301
J303
FSRTH
GND
J206M
1
2
J206F
1
2
2
1
2
1
J008F J008M
2
1
2
1
J009M J009F
J703M 1 2
1 2J703F
FIXING FILM UNIT
2
1
2
1
J702F J702M
Film
H701
FU701
E/F FFC
FI-FPC
IMAGE SCANER UNIT
J007F
J305
PRESSURE ROLLER
A
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