Kenwood AT-930, Руководство по обслуживанию

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SERVICE BULLETIN
MODEL:
TS-930 S
DATE:
NO.:
0045
D M Y
VON/FROM/DE:
TRIO-KENWOOD COMMUNICATIONS
Division of TRIO KENWOOD ELECTRONICS GMBH 21 10 83
SUBJECT:
Digital Unit through-plated hole defects and their symptoms
CONTENTS:
The unit shows symptoms as listed below, when any of the 56 Digital Unit through-plated holes are open. These examples
were compiled by Mr. Negishi of the Kanto service center. Make full use of the Material as a technical reference for repair.
Through-hole
Symptom
No.
1 (GND)
2 (GND)
3 Transmit mode not entered.
4 N/C
5 No display. However, pressing the BAND switch operates the BAND changeover relay.
6 Transmit mode not entered.
7 N/C
8 RIT operates in transmit mode.
9 Continuous tone and no display.
10 RIT operates in transmit mode.
11 (GND)
12 (GND)
13 Continuous sound. All indications are displayed.
14 (GND)
15 (GND)