Ground path diagram
J9
J8
J32
J17
J4 & J5
J10
J12
J13
U1081
Ribbon Shifter
Stepper Motor
AFTA Stepper
Motor
Carriage Brushless
DC Motor
Print Head Board
18 Needles
Adapter Board (*)
Option
(*)
- Serial
-Coax / Twinax
-Lan
J15
+38V
+38V
+38V
+38V , +5V
GND
+38V , +5V
GND
+38V , +5V
GND
4247 V03 Base Board
Front/Rear Tractor Switch
and Sensors (*)
Sensors (*)
+5V
GND
(*)
-Ribbon Movement sensor
-Front Tractor paper present sensor
-Rear Tractor paper present sensor
+38V , +5V
(*)
-Front Tractor paper run sensor
-Rear Tractor paper run sensor
Control Panel Assembly
Attention Light
GND
+38V
Parallel I/F
GND
+5V
CHASSIS GND
Paper Feed
Stepper Motor
+38V
AC Power
+38V , +5V
15
.
.
.
.
.
1
I
O
On/Off
Switch
SW1
P3
WR1
WR2
Line 2/Neutral
Line 1
AC
IN
choke
choke
CHASSIS GND
POWER SUPPLY BOARD
GND
GND
P1
P2
GND
+24V
Fan for Base Board
choke
Carriage Motor Fan
+24V
Ground Path Diagram
e61a9044
2
1
3
4
3
4
6
5
1
6
See next page
Safety and environmental notices
13
Summary of Contents for 4247-V03
Page 24: ...Reference table 8 ribbon lift and 26 pin cable connectors 93 Chapter 1 Diagnosing problems 24 ...
Page 138: ...Operator panel cable wiring Chapter 3 Wiring diagrams 138 ...
Page 144: ...Tractor assembly cable wiring Chapter 3 Wiring diagrams 144 ...
Page 164: ...Chapter 5 Removals service checks and adjustments 164 ...
Page 173: ...Table 24 Print quality sample 1 2 3 Chapter 5 Removals service checks and adjustments 173 ...
Page 246: ...Assemblies Chapter 6 Parts catalog 246 ...
Page 307: ...Taiwanese EMC Notices 307 ...
Page 310: ...Index Copyright IBM Corp 2002 310 ...
Page 311: ...IBMR Part Number 75P1301 Printed in U S A G544 5873 00 1P P N 75P1301 ...