INSPECTION
PROCEDURE
1. INSPECT SPIRAL CABLE SUB-ASSEMBLY
(a) If there are any defects as mentioned below, replace the spiral cable with a new one:
Scratches, cracks, dents or chips in the connector or spiral cable.
(b) Check the spiral cable.
Text in Illustration
*a |
Orange |
*b |
Black |
(1) Set the spiral cable to the center position (See page ).
(2) After setting the spiral cable to the center position, rotate the spiral cable 2.5 times clockwise and measure the resistance according to the value(s) in the table below. Then rotate the spiral cable 5 times counterclockwise and measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F24-1 - z12-2 |
Always |
Below 1 Ω |
F24-2 - z12-1 |
Always |
Below 1 Ω |
F24-3 - z13-2 |
Always |
Below 1 Ω |
F24-4 - z13-1 |
Always |
Below 1 Ω |
F23-6 - z11-10 |
Always |
Below 1 Ω |
F23-5 - z11-9 |
Always |
Below 1 Ω |
F23-4 - z11-8 |
Always |
Below 1 Ω |
F23-3 - z11-7 |
Always |
Below 1 Ω |
F23-2 - z11-6 |
Always |
Below 1 Ω |
F23-1 - z9-3 |
Always |
Below 1 Ω |
F23-12 - z11-5 |
Always |
Below 1 Ω |
F23-11 - z11-4 |
Always |
Below 1 Ω |
F23-10 - z11-3 |
Always |
Below 1 Ω |
F23-9 - z11-2 |
Always |
Below 1 Ω |
F23-8 - z11-1 |
Always |
Below 1 Ω |
F23-7 - z9-1 |
Always |
Below 1 Ω |
(3) After setting the spiral cable to the center position, rotate the spiral cable 2.5 times clockwise. Then, while rotating the spiral cable 5 times counterclockwise, measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F24-1 - z12-2 |
Always |
Below 1 Ω |
F24-2 - z12-1 |
Always |
Below 1 Ω |
F24-3 - z13-2 |
Always |
Below 1 Ω |
F24-4 - z13-1 |
Always |
Below 1 Ω |
F23-6 - z11-10 |
Always |
Below 1 Ω |
F23-5 - z11-9 |
Always |
Below 1 Ω |
F23-4 - z11-8 |
Always |
Below 1 Ω |
F23-3 - z11-7 |
Always |
Below 1 Ω |
F23-2 - z11-6 |
Always |
Below 1 Ω |
F23-1 - z9-3 |
Always |
Below 1 Ω |
F23-12 - z11-5 |
Always |
Below 1 Ω |
F23-11 - z11-4 |
Always |
Below 1 Ω |
F23-10 - z11-3 |
Always |
Below 1 Ω |
F23-9 - z11-2 |
Always |
Below 1 Ω |
F23-8 - z11-1 |
Always |
Below 1 Ω |
F23-7 - z9-1 |
Always |
Below 1 Ω |
NOTICE:
As the spiral cable may break, do not rotate the spiral cable more than the specified amount.
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Take extra care when handling these precision electronic components.
PROCEDURE
1. REMOVE TRANSMITTER HOUSING COVER
NOTICE:
Take extra care when handling these precision electronic components.
(a) Twist ...
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Functions and operation procedures
Press and hold until “BT AUDIO”
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