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-28
Parts List
REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.
LOT
SIDE
LAY ADR
RF Unit
R 1421 CHIP RES. 10 1/16W 5% RMC1/16S 100JTH J24189001 VERSION A 6- B e3
R 1421 CHIP RES. 0 1/16W 5% RMC1/16S JPTH J24189070 VERSION D 6- B e3
R 1422 CHIP RES. 470 1/16W 5% RMC1/16S 471JTH J24189021 VERSION A 6- B e3
R 1423 CHIP RES. 470 1/16W 5% RMC1/16S 471JTH J24189021 VERSION A 6- B e3
R 1424 CHIP RES. 47k 1/16W 5% RMC1/16S 473JTH J24189045 1- A I3
R 1425 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- A E7
R 1426 CHIP RES. 1k 1/16W 5% RMC1/16S 102JTH J24189025 1- B d3
R 1427 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- A H4
R 1428 CHIP RES. 4.7k 1/16W 5% RMC1/16S 472JTH J24189033 1- A H4
R 1429 CHIP RES. 2.2k 1/16W 5% RMC1/16S 222JTH J24189029 1- A H4
R 1430 CHIP RES. 47k 1/16W 5% RMC1/16S 473JTH J24189045 1- A H4
R 1431 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- A H4
R 1432 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- A H4
R 1433 CHIP RES. 47k 1/16W 5% RMC1/16S 473JTH J24189045 1- A D3
R 1434 CHIP RES. 100 1/16W 5% RMC1/16S 101JTH J24189013 1- B b5
R 1436 CHIP RES. 22k 1/16W 5% RMC1/16S 223JTH J24189041 1- A C5
R 1437 CHIP RES. 22k 1/16W 5% RMC1/16S 223JTH J24189041 1- A C5
R 1438 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- A E6
R 1439 CHIP RES. 1M 1/16W 5% RMC1/16S 105JTH J24189061 1- B e6
R 1440 CHIP RES. 22k 1/16W 5% RMC1/16S 223JTH J24189041 1- A B2
R 1441 CHIP RES. 22k 1/16W 5% RMC1/16S 223JTH J24189041 1- A B2
R 1442 CHIP RES. 0 1/16W 5% RMC1/16S JPTH J24189070 1- B g6
R 1443 CHIP RES. 0 1/16W 5% RMC1/16S JPTH J24189070 1- B g3
R 1444 CHIP RES. 22k 1/16W 5% RMC1/16S 223JTH J24189041 1- B d5
R 1445 CHIP RES. 0 1/16W 5% RMC1/16S JPTH J24189070 1
T 1004 BALUN TRANSFOMERS B5F458DB-1414=P3 L0190256 1- B c5
T 1005 BALUN TRANSFOMERS B5F458DB-1414=P3 L0190256 1- B d6
T 1006 BALUN TRANSFOMERS B5F458PT-1417=P3 L0190258 1- B c6
T 1007 BALUN TRANSFOMERS B5F458DB-1542=P3 L0190266 1- B b5
TH1001 THERMISTOR ERTJ0EV473J G9090120 1- B d2
X 1001 XTAL U3B
4.194304MHz
4.194304MHZ H0103284 1- B h5
X 1002 XTAL U3B 7.3728MHz 7.3728MHZ H0103280 1- A B7
X 1003 XTAL OSC 16.8MHz TTS05VS-P2 16.8MHZ H9500760 1- A H7
XF1001 XTAL FILTER MFT50.85P 50.85MHZ H1102361 1- B a5
SHIELD CASE VCO RA0488600 1-
SHIELD PLATE PA R0124501 1-