Icom IC-H18 Transceiver
Manufacturer:
Model:
IC-H18
Date:
1988
Category:
Group:
Description:
VHF TRANSCEIVER
Service Manual
Manual type:
Service Manual
Pages:
50
Size:
15.10 Mbytes (15832015 Bytes)
Language:
english
Revision:
Manual ID:
A-5016S
Date:
Quality:
Scanned document, all readable.
Upload date:
2016 01 09
MD5:
45e31a602bc70389207e94e0f9aefae4
Downloads:
802

Information

SECTION 1 SPECIFICATIONS ... 1—1 SECTION 2 OUTSIDE AND INSIDE VIEWS ... 2 — 1-3 2 -1 OUTSIDE VIEWS ... 2 — 1 2-2 INSIDE VIEWS ... 2 — 2 SECTION 3 BLOCK DIAGRAM ... 3 — 1 SECTION 4 CIRCUIT DESCRIPTION ... 4 — 1 ~ 5 4 -1 Receiver CIRCUITS ... 4 — 1 4 - 2 Transmitter CIRCUITS ... 4 — 2 4-3 PLL CIRCUITS ... 4 — 3 4-4 VOLTAGE LINES ... 4 — 4 4 - 5 T5/R5 SWITCHING CIRCUIT (MAIN UNIT) ... 4 — 4 4-6 CTCSS CIRCUIT (MAIN UNIT) ... 4 — 4 4 - 7 CPU (IC801) PORT ALLOCATIONS ... 4 — 5 SECTION 5 MECHANICAL PARTS AND DISASSEMBLY ... 5 — 1- 2 SECTION 6 ADJUSTMENT PROCEDURES ... 6 — 1-6 6-1 PLL ADJUSTMENT ... 6—1 6 - 2 Receiver ADJUSTMENT ... 6 — 3 6 - 3 Transmitter ADJUSTMENT ... 6 — 5 SECTION 7 BOARD LAYOUTS ... 7 — 1 ~ 7 7 -1 INTERCONNECTION ... 7 — 1 7-2 LOGIC AND EF UNITS ... 7 — 2 7-3 MAIN UNIT ... 7 — 4 7-4 RF UNIT ... 7 — 6 SECTION 8 PARTS LIST ... 8 — 1-6 SECTION 9 VOLTAGE DIAGRAM ... 9 — 1 SECTION 10 OPTIONS INFORMATION ... 10 — 1-2 10 -1 ΒψΤΏ AC BATTERY CHARGER ... 10 — 1 10-2 Ut-42 DTMF ENCODER UNIT ... 10 — 2

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