Brother PT-H100 Service Manual page 75

C
Replace the dry cells with new ones
and press the key.
Power supplied?
N
Replace the main PCB ASSY.
Enter the inspection mode (see Section 3.2)
and do the following:
- Check solder points 1 to 3 and A to C for
destination (keypad version) and head
ranking in INFO submode, respectively.
- Regulate the motor speed in PRINT1
submode.
Y
Remove the dry cells and connect
the specified AC adapter*
Power supplied ?
The AC jack* 2 on the key PCB may be
defective. Replace the ASSY.
Power supplied ?
IV - 10
* 1 AD-24ES
(only H105)
1 .
Y
N
End of repair.
* Only H105 is equipped
2
with an AC jack.
Y
N
End of repair.