JVC GY-DV5000U Service Manual page 62

Measuring
No. Item instruments &
Input signals
9 LOLUX Oscilloscope
MASTER Gray scale chart
BLACK
adjustment
3.4.2 AUDIO adjustment
Audio adjustments are required to input the test signal from LINE input.
All switches and VR's should be set the position as below table.
AUDIO INPUT : LINE
AUDIO INPUT : REAR
AUDIO SELECT : MANUAL
WIND CUT (MENU) : OFF
INPUT LEVEL
1 Audio tester
adjustment
1KHz/+4dBs
EE output Audio tester
2
level adjust- 1KHz/+4dBs
ment
Playback Audio tester
3
output level 1KHz/+4dBs
adjustment
Audio level 1KHz/+4dBs
4
meter adjust-
ment
3-8
Measuring point (*)
Adjustment parts (-)
Mode
Adjustment level (+)
ADJUST MENU * On screen value
- SHUTTER dial
+ "10"
+ Pedestal level or
more
CH-1 FRONT VR (MENU)
AUDIO MODE (MENU)
AUDIO LEVEL CH-1 (FRONT)
AUDIO REF.LEVEL (MENU)
* TP13 (CH-1)
Camera mode
[ALS PWB]
TP14(CH-2)
[ALS PWB]
- VR1 (CH-1)
VR2 (CH-2)
+ -22±0.5dBs
Camera mode * LINE OUT
- VR501 (CH-1)
VR503 (CH-2)
+ -8±0.5dBs
* LINE OUT
VTR mode
(PLAY)
- VR502 (CH-1)
Standard tape
VR504 (CH-2)
(MC-1 or MC-2)
+ -8±0.5dBs
* LCD MONITOR
Camera mode
LCD should be
- VR506 (CH-1)
Spread indica-
VR507 (CH-2)
tion
+ CTL DATA should be
"275±1"
Adjustment procedure
(1) Press the EDIT SEARCH+/- button to select
ADJUST MENU No.15."LOLUX MASTER
BLACK".
(2) Rotate the SHUTTER dial to adjust to the speci-
fied value.
(3) Confirm the first step signal level of the Gray
scale chart should be pedestal level or more.
(4) If the signal level would be under pedestal level,
yhen rotate the SHUTTER dial to adjust it to
the specified value.
: DISABLE
: 48k
: MAX
: –20dB
(1) Input the test signal (1KHz /+4dBs) to the LINE
input, adjust the adjustment point to the speci-
fied level.
(1) This adjustment item should be do after com-
plete the INPUT LEVEL adjustment.
(2) Input the test signal (1KHz /+4dBs) to the LINE
input, adjust the adjustment point to the speci-
fied level.
(1) Play back test tape which is recorded standard
test signal, then adjust the adjustment point
to specified level.
(1) This adjustment item should be do after com-
plete the INPUT LEVEL adjustment.
(2) Input the test signal (1KHz /+4dBs) to the LINE
input, adjust the adjustment point to the speci-
fied level.