Sony PDW-HD1550 Service Manual page 238

11. Display the maintenance menu. (Refer to 4-1-2.)
12. Select "HD 74 MHz VCO".
Menu hierarchy
[M1 : ADJUST]
[A2 : AUDIO/VIDEO/BATTERY]
[A23 : CP VR]
[HD 74MHz VCO]
[SD 27MHz VCO]
13. Perform the adjustment by rotating the [PUSH SET] knob so that a frequency counter reading satisfies the
specification.
Measurement Point: TP2800/HPR-55 board
Specification: 74.2500 ±0.0001 MHz
14. Press the [MENU] button to return to the MENU screen.
15. Press the [F1 (RETURN)] button.
16. Select "A2F: NV-RAM CONTROL" by rotating the [PUSH SET] knob, and press the [PUSH SET] knob.
17. Select "SAVE ALL ADJUST DATA" by rotating the [PUSH SET] knob, and press the [F5 (SAVE)] button to save
the adjustment data.
18. Return "013: SYSTEM FREQUENCY SELECT MENU" setting to the customer's setups. (Refer to step 2)
PDW-HD1550
8-4