Sony SPP-904 Service Manual page 8

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[Test Mode Execution]
[HANDSET LOCATOR]
Press the
Test Mode
Step
Name
1
VCO/TX FREQ. ADJ
2
TX MOD CHECK
3
TX DATA
4
RX SENS
5
SQ SENS
6
DTMF SINGLE TONE
7
DTMF DUAL TONE
8
DATA IN CHECK
9
CHARGE CHECK
10
DUPLEX
*
Initial Channel of each step: 19CH
*A. SQ on:
H (CHARGE LED turns on)
SQ off:
L (CHARGE LED turns off)
Continue output TX data as " 0000 ...... ".
*1. Test Mode 3:
*2. Test Mode 6:
Set the
DTMF will be changed.
ROW 1 → ROW 2 → ROW 3 → ROW 4 → COL1 → COL2 → COL3 → ROW1 → ...... .
* DTMF frequency
ROW 1: 696.95 Hz COL1: 1209.31 Hz
ROW 2: 770.13 Hz COL2: 1335.65 Hz
ROW 3: 852.27 Hz COL3: 1476.71 Hz
ROW 4: 940.99 Hz
*3. Test Mode 7:
Set the
DTMF will be changed.
1 → 2 → 3 → 4 → 5 → 6 → 7 → 8 → 9 → 0 →
When locked receiving data is " 0000 ...... ", CHARGE LED turns on.
*4. Test Mode 8:
*5. Test Mode 9:
When CHGIN (IC5 pin eg) is " L" (charge on), CHARGE LED turns on.
8
key to execute any of the following tests:
L
L
L
L
H
L
L
L
L
H
L
H
L
L
*A
H
L
L
H
L
L
L
L
L
H
L
L
L
H
H
[DIAL MODE]
[TONE]
switch to the
[DIAL MODE]
[TONE]
switch to the
L
H
L
*1
H
H
H
*2
H
*3
L
*4
L
*5
H
position, and press the
position, and press the
→ # → 1 → ...... .
[HANDSET LOCATOR]
key.
[HANDSET LOCATOR]
key.

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