Watch Error Adjustment - Sony PFM-32C1 Service Manual

2-7. Watch Error Adjustment

1. Select [32k Clock Out] in [General] of the Service
Mode and set it to [On].
2. Connect a frequency counter as shown below and
measure the frequency.
CN1003
VCC 1
CLOCK 2
GND 3
Make the cable as short as possible.
3. Select [Watch Error] in [General] of the Service Mode
and enter the measurement result.
4. Select [32k Clock Out] in [General] of the Service
Mode and set it to [Off].
2-22
10kΩ
Frequency counter
PFM-32C1/32C1E