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KX-TG9471B/KX-TG9472B/KX-TGA939T
(S) Audio Check - 1. Link with Portable.
2. Input -45 dBm/1kHz to MIC of Portable.
Measure the Level at Line I/F and distortion level.
3. Confirm that the level is -8 dBm ± 2 dBm and that the distortion level is < 5 %
at TEL Line (600 Ω Load).
4. Input -20 dBm/1 kHz to Line I/F.
Measure the level at Receiver of Portable and distortion level
(*Receive volume set to second position from minimum).
5. Confirm that the level is -25 dBm ± 2 dBm and that the distortion level is < 5 %
at Receiver (Volume Middle, 150 Ω Load).
<Line 1>
PO101, L108,
L109, D101,
Q101, R102,
PC102, Q131,
R124, R125
<Line 2>
PO201, L208,
L209, D201,
Q201, D202,
PC202, Q231,
R224, R225
(U)* TAM Operation
Confirmation
- 1. TAM Confirmation (Execute the command “sendchar_VPI”)
2. Confirm the returned Value (Value is “JFR7AA 00”).
IC701, IC761,
Q772, Q773
Items Check
Point
Procedure Check or
Replace Parts
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