HP 33440/HP
33449 COMBINED
SERVICE
MANUAL
To High-Voltage
Power Supply
Assembly
Test Print
Test
Frame Ground/
I
Connector
Signal Ground
Thermistor
I
I
1
I
\
,21,
1
,
J210
209
J212 (DC Power
SUPPIY)
>212
Beam Detect
m
SW205
(Fiber Optic Cable)
[~+
J213( Paper Control PCA)
~
Lower
Scanner Motor
P
J203
Cooling
Fan
Laser PCA
J202
,206
To the
Exit
1
SW201
Sensor PCA
Paper Tray
1
SW202
Size Microswitch
1
'"203
m
1
>205
TB202
!
lnterfacelFormatter
\
PCA Connector
TB201
Figure
7-38.
Dc controller
PCA
Optional Memory
Optional
(HP 33449 Only)
Memory
i
{
I
}
J5
J4
A
+
J3
Parallel
Font
J6
[10 Port
Carttidge
J2
Serial
B
1/0 Port
J9
Expansion
D
B
1/0
Font
J7
Cartridge
J1
J8
r
1
I
r
,
(
I
\
I
DC Controller 1/0
+5 vdc
GND
Control Panel liO
Figure
7-39. Interface/Formatter PCA
7-91