9-28
HDW-750/750CE V1
9-29. SC VCO Adjustment
Perform this adjustment only when the HKDW-702 (DC-
110/110A board) is installed.
Preparation
.
Allow warm-up of about 10 minutes.
.
Complete setup with the use of the setup menu.
MENU : SERVICE
PAGE : 09
*
SD ADJUST
ITEM :
SD SDI LOCK/FREE
→
FREE
.
Complete the equipment connection as shown below.
Adjustment Procedure
1.
Complete the adjustment as shown below by using the
setup menu.
Measurement point : TP400 (B-3)/DC-110A board
(A side) or
TP400 (B-1)/DC-110 board
(B side)
MENU :
SERVICE
PAGE :
09
*
SD ADJUST
ITEM :
SD SDI VCO FREQ.
Specifications :
27.0
±
0.1 MHz
Setting upon Completion of Adjustment
Complete the setting as shown below by using the setup
menu.
MENU : SERVICE
PAGE : 09
*
SD ADJUST
ITEM : SD SDI LOCK/FREE
→
LOCK
9-30. SD Y Level Adjustment
Perform this adjustment only when the HKDW-702 (DC-
110/110A board) is installed.
Preparation
.
OUTPUT/DCC switch (inside panel)
→
BARS
.
Complete setup with the use of the setup menu.
MENU : OPERATION
PAGE : 01
*
OUTPUT SEL
ITEM :
REAR BNC OUTSEL
→
VBS
DOWN CON MODE
→
LETTR
Adjustment Procedure
1.
Complete the adjustment as shown below by using the
setup menu.
Equipment :
SD waveform monitor or
oscilloscope
Measurement point : TEST OUT connector
(outside panel)
MENU :
SERVICE
PAGE :
09
*
SD ADJUST
ITEM :
SD VBS LEVEL
Specifications :
A = 714
±
5 mV (For NTSC)
A = 700
±
5 mV (For PAL)
TP
HDW-750
CH2
IN
CH2
OUT
Frequency counter
Oscilloscope
A
9-29. SC VCO Adjustment
9-30. SD Y Level Adjustment
TP201
TP200
TP400
TP601
TP202
TP1
TP600
1
2
3
4
A
B
C
D
DC-110A board (A side)