Onwa KR-1338, Service Manual

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TABLE OF CONTENTS
1.GENRAL
1
2.BLOCK DESCRIPTION
6
1.1 Outline 1
1.2 Boards & Major Components 2
1.3 Specifications 3
2.1 Overview 6
2.2 Display Unit 7
Block Diagram of Power Supply 9
Block Diagram of Processor PCB Main 0910 10
2.3 Transceiver Unit 14
Block Diagram of IF 0711 15
Block Diagram of Modulator 17
2.4 Different Points of Similar PCBs 18
3. ADJUSTMENT
19
3.1 Adjustment of Display Unit 20
3.2 Adjustment of Scanner Unit 29
Location of Parts on MAIN 0910 24
VIDEO Signal adjustment 25
Location of parts on PWR-0913 28
Location of parts on MOD-0904 30
Location of Parts on IF-0711 31
Location of PCBs in Transceiver Module (KR-1668) 32
BEARING SIG GEN Board (HBP0904) 32
Location of Parts on MOD 0904B 33
Location of Parts on IF-0711 34
4. MAINTENANCE
35
4.1 Remarks on Replacement of Major Parts 35
4.2 Life Expectancy of Expendable Parts 36
4.3 Menu tree 37