Informations de l’équipement

Icom IC-4GAT Émetteur-récepteur
Fabricant:
Modèle:
IC-4GAT
Date :
1988
Catégorie :
Groupe:
Description :
UHF FM TRANSCEIVER
manuel de réparation
Type manuel:
manuel de réparation
Pages :
58
Taille:
14.30 Mbytes (14993116 Bytes)
Langue :
english
Révision:
Manuel-ID:
A-5002-S
Date :
Qualité:
Document scanné, tous les lisible.
Date de téléchargement:
06 janvier 2016
MD5:
ca649b8e99f1afecfd6937e4d624e9ba
Téléchargements:
941

Informations

This service manual contains information relative to the theoretical, physical, mechanical and electrical characteristics of the IC-4GA/GAT/ GE UHF FM TRANSCEIVER SECTION 1 SPECIFICATIONS ... 1-1 SECTION 2 OUTSIDE AND INSIDE VIEWS ... 2-1-4 2-1 FRONT AND SIDE PANELS ... 2-1 2-2 TOP PANEL ... 2-2 2-3 FUNCTION DISPLAY ... 2-2 2-4 MAIN UNIT ... 2-3 2-5 RF UNIT ... 2-4 2-6 SPEAKER AND DTMF UNITS ... 2-4 SECTION 3 BLOCK DIAGRAM ... 3-1 SECTION 4 CIRCUIT DESCRIPTION ... 4-1-7 4-1 RECEIVER CIRCUITS ... 4-1 4-2 TRANSMITTER CIRCUITS ... 4-2 4-3 PLL CIRCUITS ... 4-3 4-4 POWER SUPPLY CIRCUITS ... 4-4 4-5 OTHER CIRCUITS ... 4-4 4-6 CPU (IC501) PORTALLOCATION ... 4-6 4-7 MATRICES ... 4-7 SECTION 5 MECHANICAL PARTS AND DISASSEMBLY ... 5-1-2 SECTION 6 ADJUSTMENT PROCEDURES ... 6-1-4 6-1 PLL ADJUSTMENT ... 6-1 6-2 RECEIVER ADJUSTMENT ... 6-2 6-3 TRANSMITTER ADJUSTMENT ... 6-3 SECTION 7 BOARD LAYOUTS ... 7-1-9 7-1 INTERCONNECTION ... 7-1 7-2 LOGIC-A UNIT ... 7-2 7-3 LOGIC-B UNIT ... 7-3 7-4 RF UNIT ... 7-4 7-5 MAIN UNIT ... 7-6 7-6 OTHER UNITS ... 7-8 SECTION 8 VOLTAGE DIAGRAM ... 8-1-3 8-1 LOGIC UNIT ... 8-1 8-2 RF UNIT ... 8-2 8-3 MAIN UNIT ... 8-3 SECTION 9 PARTS LIST ... 9-1-5

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