Alignment Procedure - Toshiba FT-8808 Service Manual

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Test Mode For Base Unit
To change the unit to TEST mode, set the TONE/PULSE switch to PULSE position and press the PAGE key
continuously for 2 seconds while resetting by turning the power on.
When entered the TEST mode, the CHARGE LED turns off, the IN USE LED will light and the unit enters TEST
mode 1.
1. Rotation:
2. To change channel:
3. To cancel TEST mode:
Note: CHARGE LED lights for about 50 msec when changing the step and channel each time by pressing the
PAGE key.
STEP
FUNCTION
1
VCO/TX FREQ. ADJ
2
TX MOD. CHECK
3
TX DATA
4
RX SENS
5
SQ SENS
6
SINGLE TONE
7
DUAL TONE
8
DATA IN CHECK
9
CHARGE CHECK
10
DUPLEX
*A : Squelch ON: H (CHARGE LED ON)
*1 : In TEST mode 3, "0000..." is output continuously as transmitting data.
*2 : In TEST mode 6, ROW1 → 2 → 3 → 4 → COL1 → 2 → 3 → ROW1 → ... is output in the order when CHGIN
starts up at CHGCNT=H.
*3 : In TEST mode 7, increment of 1 → 2 → 3 → 4 → ...0 →
at CHGCNT=H.
*4 : In TEST mode 8, CHARGE LED lights when the data received is "0000 ...".
*5 : In TEST mode 9, DATA "1" is output continuously from CHGCNT, and CHARGE LED lights when CHGIN is "L".
Channel rotation
19 → 20 → 40 → 1 → 2 → 3 → 4 → 5. . . . . . . . . 37 → 38 → 39 → 40

ALIGNMENT PROCEDURE

Press PAGE key when the "TONE/PULSE" switch is set to Pulse.
Press PAGE key when the "TONE/PULSE" switch is set to Tone.
( Note: The channel returns to the start channel when changing the step.)
BELL IN, CHG ON, POWER OFF
START CH TX PWR
TX MUTE RX MUTE
19
L
19
L
19
L
19
H
19
L
19
H
19
H
19
L
19
H
19
L
Squelch OFF: L (CHARGE LED OFF)
— 3 —
RL CNT
L
L
L
H
L
H
L
L
L
L
H
H
L
*A
H
L
L
H
L
L
H
L
L
L
L
L
L
H
H
H
→ # is performed in the order when CHGIN starts up
REMARKS
* 1
* 2
* 3
* 4
* 5

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