Service manual
Table Of Contents
- Introduction
- Specifications
- DSUB 15-pin Accessory Connector
- Exploded View & Miscellaneous Parts
- Block Diagram
- Circuit Description
- Alignment
- Installation of Option
- RF Unit
- FRONT-C Unit (VX-4100)
- FRONT-D Unit (VX-4200)
- FVP-25 Encryption/DTMF Pager Unit (Option)
- DVS-5 Voice Storage Unit (Option)
- VTP-50 VX-Trunk Unit (Option)

H-8
RF Unit (Lot. 2~5)
1
2
3
4
5
6
7
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Parts Layout (Side B)
DA221 (K)
(D1021, 1038, 1067)
HSM88AS (K)
(D1013, 1014)
DAN222 (N)
(D1022, 1045, 1048)
2SA1774 (FR)
(Q1044)
2SB1201S
(Q1062)
2SC3356 (R24)
(Q1058)
2SC4617 (BR)
(Q1025, 1026, 1027,
1067)
2SC5226 (R22)
(Q1038, 1049, 1057,
1059)
2SC3357 (RK)
(Q1022, 1046,
1094)
2SK508 (K52)
(Q1054)
2SK880GR (XG)
(Q1078)
DTA124EE (15)
(Q1031)
DTC114TE (24)
(Q1001, 1045, 1056)
DTC144EE (26)
(Q1023, 1024, 1030,
1032, 1047, 1053,
1055)
AK2345
(Q1037)
BD6111FV
(Q1034)
LA8630M
(Q1021)
LC73881M
(Q1064)
NJM12902V
(Q1088)
SA7025DK
(Q1085)
TDA1519CTH
(Q1005)
SPM5001
(Q1035)
NJM2125F
(Q1036)
XN1501
(Q1061)