Ericsson 19D901841G3, Руководство по обслуживанию

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PARTS LIST
SYMBOL PART NUMBER DESCRIPTION
Q2 19A149542P2 Silicon, PNP: sim to MJD32C-1.
Q3 19A705924P1 FET; sim to Panasonic 2SK690.
Q4* 19A700076P2 Silicon, NPN; sim to MMBT3904.
Q5* 19A700059P2 Silicon, PNP: Low profile; sim to MMBT3906.
- - - - - - - - - RESISTORS - - - - - - - - - - - -
R1 19B800607P100 Metal Film: 10 ohms,
±
5%, 1/8w.
R5
thru
R7 19B800607P103 Metal Film: 10K ohms,
±
5%, 1/8w.
R8 19B800607P222 Metal Film: 2.2K ohms,
±
5%, 1/8w.
R9 19B800607P121 Metal Film: 120 ohms,
±
5%, 1/8w.
R10 19B800607P510 Metal Film: 51 ohms,
±
5%, 1/8w.
R11 19B800607P121
Metal Film: 120 ohms,
±
5%, 1/8w.
R12
and
R13 19B800607P270
Metal Film: 27 ohms,
±
5%, 1/8w.
R14 19B800607P220 Metal Film: 22 ohms,
±
5%, 1/8w.
R15* 19B800607P470
19B801251P180 Metal Film: 47 ohms,
±
5%, 1/8w. OR
Metal Film: 18 ohms,
±
5%, 1/8w.
R16
and
R17 19B800607P103
Metal Film: 10K ohms,
±
5%, 1/8w.
R18* 19B800607P180
Metal Film: 18 ohms,
±
5%, 1/8w.
R19* 19B800607P472 Metal Film: 4.7K ohms,
±
5%, 1/8w.
R20* 19B800607P122 Metal Film: 1.2K ohms,
±
5%, 1/8w.
R21* 19B800607P562 Metal Film: 5.6K ohms,
±
5%, 1/8w.
- - - - - INTERGRATED CIRCUITS - - - - - -
U1 19A704971P10 Voltage Regulator: 8V; sim to MC78M08CDT.
U2 19A705926P1 MMIC: sim to Minicircuits MAR-45M.
- - - - - - - - - - - CABLES - - - - - - - - -
W1 19A705075P1 Cable Assembly.
W2 19B801431P3 Cable.
W3 19C851528G1 Cable Assembly. Includes:
C1
thru
C5 5493392P7 Ceramic, feed thru: 1000 pF -0+100%, 500 VDCW.
C6 19A116708P1 Ceramic: 0.01
µ
F -0 +100%, 500 VDCW, rated 20
amps; sim to Erie 327050X5W0103P.ps; sim to Erie
327050X5W0103P.
2 19B801425P1 Plate.
3 7139898P3 Nut, hex, brass: No. 1/4-28.
P1 19A700041P31 Shell.
- - - - - - - - - MISCELLANEOUS - - - - - - - -
2 19C301087P1 Terminal board.
3 19A704779P26 Contacts: 22-30 AWG; sim to Molex 08-55-0101, Qty of
10.
4 7143961P1 Bus bar: sim to Kulka No. 600.
6 19B209268P113 Terminal, solderless: sim to AMP 2-34835-4.
18 19B209268P115 Terminal: Ring Tongue, sim to AMP 34852.
30 N80P13006B6 Machine screw: Pan head, Phillips; No. 8-32 x 3/8"
35 344A3805P1 Contact: Crimp Type, sim to AMP 350650-1.
36 344A3804P1 Connector Cap.
W4 19B801454P16 Cable Assembly.
SYMBOL PART NUMBER DESCRIPTION
- - - - - - - - MISCELLANEOUS - - - - - - - -
4 19B801424G1 Frame.
5 19B226212G1 Heat sink.
6 19B209103P410 Tap screw, hex head: No. 8-32 x 5/8.
7 19B201074P308 Tap screw, Phillips POZIDRIV: No. 6-32 x 1/2.
8 19B209103P306 Tap screw, hex head: No. 6-32 x 3/8.
9 N403P13B6 Lockwasher: No. 6.
10 N81P9012 Machine screw.
11 N414P11 Lockwasher, internal tooth: No. 4.
12 N44P9006B6 Machine screw, fillister head.
16 5492178P2 Washer, spring tension: sim to Wallace Barnes 375-20.
17 19A148323P1 Heat Sink.
18 19C851552P1 Power Limiter Guide.
20 NP280071 Nameplate. (CAUTION).
21 19B201074P320 Tap screw, Phillips POZIDRIV: No. 6-32 x 1-1/4.
22 N405P5B6 Lock Washer.
23 19B226212G5 Heat Sink
25 19A705097G2 Connector Support Assembly
30 19A705329P1 Temperature indicator: sim to Tempil Division of Big
Three Industries Cat. No. BU-175/79. Industries Cat. No.
BU-1X/78.
31 19A116552P3 Cable clip: sim to Richco KKC-4.
37 19B801423G3 Plate.
38 19A701863P13 Cable clip.
39 N80P13004B6 Screw, machine: Pan head; No. 6-32 x 1/4".
40 N404P13B6 Lockwasher, internal tooth: No. 6.
41 N80P9005B6 Machine screw, pan head, steel, No. 4-40UNC x 5/16".
42 N402P5B6 Washer: narrow, steel.
43 N404P11B6 Loackwasher, internal tooth, No. 4.
44 7141225P2 Nut, Hex: 4-40.
45 N80P13006B6 Machine screw: Pan head, Phillips; No. 8-32 x 3/8"
46 N402P7B6 Flatwasher, narrow: No. 6.
47 N210P15B6 Nut, hex: No. 8-32.
48 N402P8B6 Flatwasher, steel: No. 8.
49 7141225P3 Hex Nut: No. 6-32.
51 19D438235G9 Fan Assembly.
53 7776570P10 Connector Adapter
PRODUCTION CHANGES
Changes in the equipment to improve performance or to simplify circuits are identified by a
"Revision Letter", which is stamped after the model number of the unit. The revision stamped
on the unit includes all previous revisions. Refer to the Parts List for the descriptions of parts
affected by these revisions.
REV. A - BUFFER AMPLIFIER ASSEMBLY 188D5058G1
To minimize variations in the output power level,
Q4, Q5 and R18 thru R21 added. R15 was 33 Ohms
and changed to 47 Ohms (19B800607P470).
REV. B - POWER CONTROL BOARD 19D901803G3
To reduce transmit rise time of power amplifier
to reduce overshoot. C2 was 19A700223P9
ceramic 2200 pF.
LBI-39030 LBI-39030
9