19
SPP-A2770
4.
C-ID Input Level Measurement
Setting:
Procedure: (Use the panel for normal set)
1. Connect equipments as the figure above.
2. In the test mode idling status, press the
[GREETING PLAY]
key to display “–F”.
3. Set the output level of audio analyzer to –17 dBm (1.2 kHz,
LPF=30 kHz ON).
4. Check that the value of audio analyzer is –15 to –21 dBm.
5.
Between Microphone and Line Signal Level
Measurement
Setting:
Procedure: (Use the panel for normal set)
1. Connect equipments as the figure above.
2. In the test mode idling status, press the
[GREETING PLAY]
key to display “–F”, and press the
[GREETING REC]
key to
set the speaker path test 2 mode.
3. Set the output level of audio analyzer to –27 dBm (1.2 kHz,
LPF=30 kHz ON).
4. Check that the value of audio analyzer is –2 to –8 dBm.
SECTION 5
ELECTRICAL ADJUSTMENTS
0 dBm = 0.775 V
BASE UNIT
•
Make the set in the test mode. (See page 12)
Note:
The test mode in this set includes the test items that use normal set
only, and the test items that need the panel (BASE CABINET (UP-
PER) ASSY) to be replaced with that for the SPP-A2780. (Refer to
page 4)
Items that use normal set only (Test case 1)
• TSET A
• TSET C
• TSET F
• Erase
Items that use the panel for SPP-A2780 (Test case 2)
• TSET D
• TSET E
1.
Power Failure Test
Procedure: (Use the panel for normal set)
1. Connect between TP338 and TP306 (GND) on the BASE
MAIN board by lead wire.
2. In the test mode idling status, press the
[MEMO REC]
key to
display “–A”.
3. Check that the
[ANSWER ON/OFF]
LED on the base unit lights
up when connect between TP203 and TP306 (GND) on the
BASE MAIN board.
2.
Ring Detection Test
Procedure: (Use the panel for normal set)
1. In the “–A” status, connect the base unit to telephone line.
2. Check that the
[IN USE]
LED on the base unit lights up when
call the base unit.
3.
Charge Current and CHARGE LED Test
Setting:
Procedure: (Use the panel for normal set)
1. Connect equipments as the figure above.
2. In the “–A” status, check that the value of digital voltmeter is
5.6 to 5.8 V and the
[CHARGE]
LED on the base unit lights
up.
Base unit
feeding bridge
Trunk
Line
Line
Input
TP101
TP102
TP413
TP306 (GND)
GND
Output
audio analyzer
1.2 kHz, –27 dBm
LPF: 30 kHz ON
Base unit
digital voltmeter
–
+
charge terminal
+
47
Ω
/1W
charge terminal
–
10
µ
F
Base unit
feeding bridge
Trunk
Line
Line
Output
TP101
TP102
TP475
TP306 (GND)
GND
Input
audio analyzer
1.2 kHz, –36 dBm
LPF: 30 kHz ON
600
Ω
+
Содержание SPP-A2770 - 2.4ghz Cordless Telephone
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