HP HP-97 User Manual

HP-97
Table 4-11.
Keyboard Printed-Circuit Assembly A2A71 (00097-60910) Replaceable Parts
00097-80002
5040-9229
REFERENCE HP PART
DESIGNATION NUMBER DESCRIPTION
Cl¥ 0180-0575 CAPACITOR, fxd, 2.2 uf, 20% 16V
R1 0683-4715 RESISTOR, fxd, 470 ohm
R2+ 0683-2045 RESISTOR, fxd, 200K
R2+ 0684-3341 RESISTOR, fxd, 330K
R3 0811-3496 RESISTOR, fxd, 8.2 ohm, 2W, fusible
R4 0811-1674 RESISTOR, fxd, 4.7 ohm 2W
R5 0698-8691 RESISTOR, fxd, 4.0 ohm 1%
R6 0683-1835 RESISTOR, fxd, 18K, 5%, 1/4W
R7 0683-3915 RESISTOR, fxd, 390 ohm
CR1 1990-0450 LED, low battery indicator
Q1 1853-0393 TRANSISTOR, PNP
Q2 1853-0446 TRANSISTOR, PNP
Q3 1853-0374 TRANSISTOR, PNP
Q4 1854-0071 TRANSISTOR, PNP
U1 1820-1629 INTEGRATED CIRCUIT, cathode driver
ue 1990-0595 DISPLAY, numeric
us3,4 1858-0044 INTEGRATED CIRCUIT, quad transistors
us 1810-0252 INTEGRATED CIRCUIT, resistor network
P1,2 1251-3955 CONNECTOR, 9-pin
W1 8120-2206 CABLE, 24-conductor
BOARD, etched
+ Value of R2 is selected.
¥ Capacitor C1 is not on all keyboard PCAs earlier than level D. If
present, it is located on the circuit side of the PCA connected between
pin 16 of U1 and ground.

HP HP-97 Specifications

General

Brand	HP
Model	HP-97
Category	Calculator
Language	English