HP LaserJet 1010 Service Manual - Page 120

Circuit diagram

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Figure 6-7. 108 Chapter 6 Troubleshooting Circuit diagram 12 Circuit diagram 6 5 4 J2 1 3 5 7 9 11 13 15 17 19 21 23 25 2 4 6 8 10 12 14 16 18 20 22 24 26 Centronics interface P5 Formatter CPUD J6 +24V USB interface J5 2 4 6 8 10 12 14 1 3 5 7 9 11 13 12 12 Pick-up solenoid SL001 3 2 1 Fixing unit Thermal fuse Fixing heater TP1 J1102 H701 2 1 2 1 D Thermistor TH1 2 1 Fixing film unit 123 J102 1 2 3 12 J204 1 2 1234 ACH ACN FSRTH GND J910 1 2 3 4 5 6 7 8 9 10 11 12 13 14 +24VR CPUD +5V GND GND +3.3V /RESETO /SCLK /SC /BDO GND /VDO VDO GND Engine controller PCB J901 FWD /SI /SO /CLK /STRB GND J904 9 7 5 3 1 8642 J905 4 3 2 1 J909 4 3 2 1 13579 J801 2 4 6 8 Laser Drive PCB BD sensor Laser / Scanner unit 1234 J002 1 2 3 4 M 12 34 Scanner motor 1234 J001 1 2 3 4 M 12 34 Main motor J902 +p2a4gVeR 23 GND 22 +24VR 21 GND 20 +24VR 19 GND 18 +3.3V 17 +24V 16 /POSNS 15 GND 14 /PISNS 13 PWSV 12 /PWSNS 11 PRPWM 10 PRAC 9 DVAC 8 TRNDC 7 TRPDC 6 FSRD 5 FSRTH 4 RLYD 3 TRCRNT 2 DOSNS 1 C J201 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 J202 +3.3V PISNS PWSNS GND Power supply PCB 4321 1234 1234 Top of page / paper width sensor PCB J801 PS801 123 Paper width sensor PS802 123 Top of sensor B 100-127V only J203 +3.3V POSNS GND 321 123 123 Paper delivery sensor PCB J802 PS803 123 Paper delivery sensor Door switch SW301 1 2 Fuse FU102 1 2 ACH 2 2 Fuse FU101 1 1 INL101 Power switch SW101 123 Inlet ACN A 123456 GND /VDO VDO GND CNT1 CNT0 GND +5V /BDI GND /DEC /ACC +24VR /MB MB /MA MA ENWW

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Circuit diagram
1
3
2
4
6
5
4
3
2
1
D
C
B
A
Pick-up solenoid
SW101
Power switch
M
1
3
2
4
Laser Drive
PCB
BD
sensor
Laser / Scanner unit
Door switch
SW301
M
1
3
2
4
INL101
FU101
Fuse
FU102
Fuse
100-127V only
2
4
6
8
1
3
5
7
9
2
1
TP1
12
H701
2
1
TH1
1
2
J1102
12
12
FSRTH
GND
J102
J204
Thermistor
Fixing heater
Thermal fuse
Fixing film unit
123
PS803
1
3
2
1
3
2
Paper delivery
sensor
J203
3
1
2
J802
12
12
SL001
Paper delivery sensor PCB
CPUD
+24V
+3.3V
POSNS
GND
1
3
2
Inlet
1
3
2
4
1
3
2
4
1
3
5
7
9
2
4
6
8
GND
/VDO
VDO
GND
CNT1
CNT0
GND
+5V
/BDI
J002
J801
GND
/DEC
/ACC
+24VR
J904
J905
USB interface
Scanner motor
Fixing unit
6
4
2
5
3
1
FWD
/SI
/SO
/CLK
/STRB
GND
J901
Formatter
Engine controller PCB
1
2
J201
Power supply PCB
1
3
5
7
9
11
13 15 17 19
2
4
6
8
10 12 14 16 18
21
20 22
23
24
25
26
Centronics interface
J2
J902
1
3
2
1
3
2
ACH
ACN
1
3
2
4
1
3
2
4
4
2
3
1
123
PS802
123
PS801
Top of
page
sensor
Paper width
sensor
Top of page / paper width sensor PCB
J801
+3.3V
PISNS
PWSNS
GND
J202
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
+24VR
GND
+24VR
GND
+24VR
GND
+3.3V
+24V
/POSNS
GND
/PISNS
PWSV
/PWSNS
PRPWM
PRAC
DVAC
TRNDC
TRPDC
FSRD
FSRTH
RLYD
TRCRNT
DOSNS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
3
2
4
1
3
2
4
J001
/MB
MB
/MA
MA
J909
Main motor
4
2
3
1
4
2
3
1
1
3
5
7
9
11
13
2
4
6
8
10 12 14
1
3
5
7
9
11
13
2
4
6
8
10 12 14
+24VR
CPUD
+5V
GND
GND
+3.3V
/RESETO
/SCLK
/SC
/BDO
GND
/VDO
VDO
GND
J910
2
1
1
2
ACN
ACH
P5
J5
J6
2
1
Figure 6-7.
Circuit diagram
108
Chapter 6 Troubleshooting
ENWW