42
KX-TG9385BXT/KX-TGA939BXT
(
L
) SP phone Audio Check
and Confirmation
-
1. Link to Base which is connected to Line Simulator.
2. Set line voltage to 48 V and line current to 40 mA.
3. Set the handset off-hook using SP-Phone key.
4. Input -25 dBm/1KHz to Line I/F and measure Receiving level at SP+ and SP-
(at 8
Ω
Load).
5. Confirm that the level is -9 dBm ± 4 dBm and that the distortion level is < 5%.
(vol = 3)
IC1, R23, C12,
C73, D13,
D14, R152,
C80, L10, L11,
MIC, C11,
C13, RA4,
R27, R28,
R208, R209,
C96, C97,
R215, C72
(
M
) Charge Pump 2.5V Sup-
ply Confirmation
CP2.5V
1. Confirm that the voltage between testpoint and CP2.5V and GND is 2.5V -0.1/
+0.3V.
C52, C53, C49
(
N
)
Change Pump 4.0V
Supply Confirmation
CP4.0V
1. Confirm that the voltage between testpoint CP4.0V and GND is 4.0V I0.2V.
C50, C51
Items
Check
Point
Procedure
Check or
Replace Parts
Содержание KX-TG9385BXT
Страница 2: ...2 KX TG9385BXT KX TGA939BXT ...
Страница 15: ...15 KX TG9385BXT KX TGA939BXT 4 7 Signal Route ...
Страница 16: ...16 KX TG9385BXT KX TGA939BXT ...
Страница 17: ...17 KX TG9385BXT KX TGA939BXT ...
Страница 19: ...19 KX TG9385BXT KX TGA939BXT 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...
Страница 21: ...21 KX TG9385BXT KX TGA939BXT 8 1 2 Handset ...
Страница 44: ...44 KX TG9385BXT KX TGA939BXT ...
Страница 45: ...45 KX TG9385BXT KX TGA939BXT 10 1 2 Handset ...
Страница 46: ...46 KX TG9385BXT KX TGA939BXT 10 1 3 Charger Unit ...
Страница 47: ...47 KX TG9385BXT KX TGA939BXT 10 2 Assembly Instructions 10 2 1 How to Replace the Base unit LCD ...
Страница 48: ...48 KX TG9385BXT KX TGA939BXT ...
Страница 49: ...49 KX TG9385BXT KX TGA939BXT 10 2 2 How to Replace the Handset LCD ...
Страница 71: ...71 KX TG9385BXT KX TGA939BXT Memo ...
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Страница 84: ...84 KX TG9385BXT KX TGA939BXT 15 3 Cabinet and Electrical Parts Charger Unit ...
Страница 85: ...85 KX TG9385BXT KX TGA939BXT 15 4 Accessories ...