Vco Frequency Adjustment; Test Out Level Adjustment - Sony HDCAM HDW-F900R Maintenance Manual

9-2. VCO Frequency Adjustment

Note
Allow the unit to warm-up for about 10 minutes before
starting adjustment
Preparation
. Complete the equipment connection as shown below.
CH2
TP
IN
HDW-F900R
. Complete the setting as shown below by using the setup menu.
(When DC-110A/139 board is installed)
MENU : OPERATION
PAGE : 01*OUTPUT SEL
ITEM : TEST OUT SELECT → SD
Adjustment Procedure
1. Equipment : Frequency counter, oscilloscope
Measurement point : . TP1 (C-2)/DCP-43 board :
(when DC-110A/139 board is
not installed)
. TP1 (A-2)/DC-110A board :
(A side)
(when DC-110A board is
installed)
. TP1 (C-1)/DC-139 board :
(A side)
(when DC-139 board is
installed)
Adjustment point : MENU : SERVICE
PAGE : 05*DCP ADJUST
ITEM :
74.175824 ± 100 MHz
Specifications :
(59.94i mode)
74.249865 ±100 MHz (50i mode)
9-4
CH2
OUT
Oscilloscope Frequency counter
VCO CONT

9-3. TEST OUT Level Adjustment

Preparation
. OUTPUT/DCC switch (inside panel) → BARS
. Complete the setting as shown below by using the setup menu.
MENU : OPERATION
PAGE : 01*OUTPUT SEL
ITEM : TEST OUT SELECT → HD
Adjustment Procedure
1. Complete the setting as shown below by using the
setup menu.
Adjustment point : MAINTENANCE
PAGE : 03*LEVEL ADJ
ITEM : Y LEVEL
A = 700 ± 5 mV
Specifications :
A
HDW-F900R/V1 (E)