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WM-GX410
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270°C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Specifications ............................................................................ 1
1.
GENERAL
Location of Parts and Controls ........................................ 2
2.
2-1. Disassembly Flow .................................................... 3
2-2. Cabinet (Center), cabinet Front Assy ....................... 3
2-3. Main Board .............................................................. 4
2-4. Mechanism Deck (MT-WMFX410-175) ................. 4
2-5. Cassette Holder Sub Assy ........................................ 5
2-6. Sub Board ................................................................. 5
Capstan/Reel Motor (M601) ................................... 6
3.
3-1. Mechanical Adjustments .......................................... 7
3-2. Electrical Adjustments ............................................. 7
Antenna
REW/REVIEW
REC TIME/PLAY MODE
MIC (PLUG IN POWER)**
Flat Mic
2
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TABLE OF CONTENTS
SECTION 1
GENERAL
PLAY**
STOP
REC
HOLD
VOL*
FM
* There is a tactile dot beside VOL on the main unit to show the direction to turn
up the volume.
** The button or jack has a tactile dot.
4.
DIAGRAMS
4-1.IC Pin Function Descriptions .................................... 10
4-2. Block Diagrams -Tape Section- .............................. 11
4-3. Block Diagrams -Tuner Section- ............................ 12
Printed Wiring Board -Main Section (Side B)- ....... 14
4-5. Schematic Diagram -Main Section (1/2)- ............... 15
4-6. Schematic Diagram -Main Section (2/2)- ............... 16
4-7. Printed Wiring Board -Sub Section (Side A)- ......... 17
4-8. Printed Wiring Board -Sub Section (Side B)- ......... 18
4-9. Schematic Diagram -Sub Section- .......................... 19
4-10.IC Block Diagrams .................................................. 20
5.
5-1. Cabinet (Rear) Section ............................................. 22
5-2. Cassette Lid Section ................................................. 23
5-3. Mechanism Section-1 (MT-WMGX410-175) .......... 24
5-4. Mechanism Section-2 (MT-WMGX410-175) .......... 25
6.
FF/CUE
DIR
TUNING/ENTER
PAUSE
TUNE MODE
FM MODE•MONO/ST
FM MODE•LOCAL/DX
SOUND BOOST
AVLS
ISS
DC IN 3V
AM
RADIO OFF
.................................. 26
This section is extracted
from instruction manual.
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