88
Table 5-3. Replaceable Parts List (continued)
Ref. Desig. HP Model HP Part Number Description
U31 both 1820-6789 IC 75176B RS485 driver
U32 both 1990-1387 IC opto-isolator
U33 both 1826-0536 IC LM340AK-5 voltage regulator 5V
U35 both 5080-2625 IC GAL programmed
U36 both 5080-2158 IC GAL programmed
U37 both 1820-4185 IC DS3658N interface
U64-69 both 1826-1896 IC LT1001 op amp
U70 both 1818-4932 IC EEPROM NMC9346
U115 both 1820-6045 IC SN75ALS61610
U116 both 1820-6170 IC SN75ALS6160
U117 all 1821-1740 IC 9914 talker/listener
VR2 both 1902-3172 diode-zener 11V
VR3,4 both 1902-0049 diode-zener 6.19V
VR6,7,8 both 1902-0766 diode-zener 18.2V
Y1,2 both 0410-2109 oscillator 12MHz
A8 Mechanical
both 1205-0564 heat sink (U33)
both 5001-6732 HP-IB mounting plate
Chassis Electrical
B1 both 3160-0343 fan
S1 both 3101-0402 switch, DPST (on/off)
FL1 both 9135-0223 ac line filter
F1 both 2110-0383 fuse, 8A 250V
W1 both 8120-4355 cable, ribbon (A3 to A8)
W2 both 8120-4352 cable, 3-pin (A1 to A8)
W3 both 8120-4351 cable, 5-pin (A1 to A3)
W5,6 both 8120-4356 cable, ribbon (A2 to A8)
Chassis
Mechanical
both 06023-00016 chassis
both 5021-8417 front frame casting
both 06033-00010 front sub-panel
6033A 06033-00013 front panel, screened
6038A 06038-00015 front panel, screened
both 06023-00024 rear panel
both 1510-0044 binding post (rear panel ground)
both 2110-0564 fuseholder body
both 2110-0565 fuseholder cap
both 2110-0569 fuseholder nut
both 3160-0309 finger guard (fan)
both 06023-00023 bracket, upper (lettered)
both 0403-0282 bumper feet (on upper bracket)
both 06033-00002 bracket, lower (A8 board)
both 5041-8803 top trim strip
both 5001-0540 side trim strip (2)
both 01650-47401 knob (RPG adjust)
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