– 2 –
In this set, the S102 (power) detects REC/PLAYBACK on.
It is mounted on the MAIN board, and therefore the REC/PLAY-
BACK on cannot be detected with the MAIN board removed.
When making an operation check and voltage check of mechani-
cal deck with the MAIN board removed, fix the S102 at turn on.
SECTION 1
SERVICING NOTES
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
[MAIN BOARD] (Conductor Side)
IC101
IC102
IC601
TABLE OF CONTENTS
1.
SERVICING NOTES
............................................... 2
2.
GENERAL
.................................................................. 3
3.
DISASSEMBLY
......................................................... 4
4.
MECHANICAL ADJUSTMENTS
....................... 7
5.
ELECTRICAL ADJUSTMENTS
......................... 8
6.
DIAGRAMS
6-1. Block Diagram ................................................................ 9
6-2. Schematic Diagram ......................................................... 11
6-3. Printed Wiring Board ...................................................... 13
7.
EXPLODED VIEWS
................................................ 14
8.
ELECTRICAL PARTS LIST
............................... 17
Summary of Contents for TCM-323 - Micro Portable Recorder
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