HP LaserJet Pro P1100 - Page 119

Figure 3-8 Circuit diagram; HP LaserJet Professional P1100w Printer series
A
65 43
21
B
C D
GND
SI
SO
TEST
J501
4 3 2 1
+24P2
MTRPWM
12
J902
21
321
+24P2
ACC
DEC
GND
1
2
3
4
J903
1 2 3 4 5 6 7 8 9 10 11
J901
1 2 3 4
J1
1234
J801
1
2
3
4
5
6
7
9
8
VDO
/VDO
+3.3U
/BDIR
GND
CNT0
GND
GND
CNT1
1
2
TAG
12
J3
1
2
3
4
5
6
7
8
9
J542
TAGOUT
TAGIN
1
2
J581
1
2
ACH
ACN
231
J104
/PISNS +3.3U GND
J551
123
+3.3U GND FSRTH /PWSNS /POSNS
J552
12345
3 1
J751
321
2
3
2
1
FSRTH
GND
2
1
J702
321321
J701
5 4 2 1 3
1
2
21
J1011
1
2
21
ACH ACN
J101
2
3
1
2
1
HV
+24P2 +24P2
GND GND GND
+5R
ACC DEC
/MTRPWM
MFG
+24P2
J571
1
2
3
4
5
6
7
8
9
10
11
J304
FT1
J562
SL
+24U
1
2
1
2
2
1
SW502
7 5 4 3 2 1
10
11
8 6
12
9
J531
10
1
2
3
4
5
6
7
8
9
11
12
GND +3.3V SCLK VDO /RSTO GND GND SC /VDO /BDO GND
7 5 4 3 2 1
10 11
8 6 9
CLK
SDO
LED ENABLE
+3.3V
GND
INT
CS
SDI
GND
+3.3V
10
1
2
3
4
5
6
7
8
9
11
RESET
HOST WAKE
M
M
PS901
M2
M1
SW501
TH1
H1
TP1
TP
PS702PS701
PS751
INL101
SL1
SL
Laser Drive PCA
BD
sensor
Scanner motor
Motor Drive PCA
Main motor
Main-motor rotation
number sensor
Laser/scanner unit
Engine Controller PCA
Fuser heater
Thermal fuse
Thermistor
Media-width
sensor
Fuser-delivery
sensor
Pickup solenoid
Top sensor
Fuser unit
Paper sensor PCA
Top sensor PCA
Cartridge-door
switch
Power switch
Formatter
Wireless PCA
ENWW Tools for troubleshooting 101