RELEASED: 10/2/2006
Page 68
COMMUNICATI0NS
HSD SERIES OPERATION AND MAINTENANCE
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Table 6: Display Board Parts List
HSD-2500 Transmitter
P/N 50527000, Display Board, Parts List, Page 1
Reference Designator
EMCEE Part Number
Value
Description
Quantity/Assembly
50527001
PCB,
Display
1
U1 MC78L05ACD
IC,Reg5V,SO-8 1
U2 DG442DY
IC,Switch,Quad,SPST,SOIC-16
1
U3
74HC123D
IC, Multi-vibrator, Dual Mono,SOIC-16
1
U4,U5
74HC74D
IC, Dual Flip Flop,SOIC-14
2
Q1 - Q11
IRLML2803
Transistor, HEXFET
11
DS1,DS2,DS3 SSL-LX3044LGD
LED,
Green
3
DS4 SSL-LX3059IGL
LED,
Green/Red
1
DS5 SSL-LX3044LYD
LED,
Yellow
1
DS6,DS7 SSL-LX3055LID
LED,
Red
2
DS8,DS9,DS10,DS11 SSL-LX3044USBD
LED,
Blue
4
S1,S2 8161S2HV3BE2
Switch,
SPDT
2
S3 8168S2HV3BE2
Switch,
Momentary
1
R1,R3,R6,R7,R9,R10,R12,
RM73B2BT 621 J
620 Ohm
Resistor,SMD,1206
12
R14,R29,R31,R33,R34
R2,R4,R5,R8,R11,R13,R15, RM73B2BT
104 J
100K Ohm
Resistor,SMD,1206
9
R18,R21
R16,R19
RM73B2BT 511 J
510 Ohm
Resistor,SMD,1206
2
R22,R23,R25,R26,R27,R28, RM73B2BT
103 J
10K Ohm
Resistor,SMD,1206
9
R30,R32,R35
R24
RM73B2BT 274 J
270K Ohm
Resistor,SMD,1206
1
R17,R20 3214W-1-102 1K
Ohm
Potentiometer
2
C1,C2,C3,C4,C5,C6,C7,C8, GRM46C0G104M50V .1
uF
Capacitor,SMT,1206
13
C9,C10,C12,C13,C14
C11 GRM42-6Y5V105Z016V
1uF
Capacitor,SMT,1206
1
J1 22-23-2151
Header,15
Pin
1
J2 22-23-2101
Header,10
Pin
1
