2
TMR-RF975R
SECTION 1
GENERAL
This section is extracted from
instruction manual.
Flexible Circuit Board Repairing
• Keep the temperature of 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.
Setting up the
transmitter
1
Connect the transmitter to audio/video
equipment. Select one of the hookups
below depending on the jack type:
To connect to a headphones jack
DC IN 9V
OFF ON
FILTER
NOISE
1 2 3
CHANNEL
R
B
A
L
AUDIO IN
Transmitter
Left channel
(white)
Right channel
(red)
Unimatch plug
adaptor
(supplied)
Discman, MD,
WALKMAN*, VCR,
etc.
to headphones
jack (stereo
mini jack)
Connecting cord
(supplied)
to AUDIO IN
A jacks
to headphones
jack (stereo
phone jack)
A
TABLE OF CONTENTS
Specifications ............................................................................ 1
1. GENERAL
....................................................................... 2
2. DISASSEMBLY
2-1. Housing (Upper) ....................................................... 3
2-2. TX-BASE Board ....................................................... 3
3. ELECTRICAL ADJUSTMENTS
............................. 4
4. DIAGRAMS
4-1. Block Diagrams ........................................................ 5
4-2. Schematic Diagram– TX-BASE Section – ............... 6
4-3. Printed Wiring Board – TX-BASE Section – .......... 7
4-4. Schematic Diagram
– BATTERY CHARGER Section – .......................... 8
4-5. Printed Wiring Board
– BATTERY CHARGER Section – .......................... 9
5. EXPLODED VIEWS
....................................................10
6. ELECTRICAL PARTS LIST
.....................................11
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