Sony GV-D200 Service Manual ▷ View online
5-27
5. VIDEO OUT Y, Chroma Level Check (VC-250 Board)
Mode
VTR stop
Signal
No signal
Measurement Point
VIDEO OUT jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Specified Value
Sync level: A = 293 ± 18mV(NTSC)
A = 307 ± 18mV(PAL)
Burst level: B = 286 ± 18mV(NTSC)
B = 300 ± 18mV(PAL)
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
11
10
Set the data, and press PAUSE
button.
button.
3
3
0C
02
Set the data, and press PAUSE
button.
button.
4
Check that the sync signal level
(A) satisfies the specified value.
(A) satisfies the specified value.
5
Check that the burst signal level
(B) satisfies the specified value.
(B) satisfies the specified value.
6
3
0C
00
Set the data, and press PAUSE
button.
button.
7
D
11
00
Set the data, and press PAUSE
button.
button.
8
0
01
00
Set the data.
6. Hi8/Standard8 Y/C Output Level Setting
(VC-250 Board)
Set the Y/C signal output level during the Hi8/Standard8 playback
mode.
mode.
Mode
VTR stop
Signal
No signal
Adjustment Page
F
Adjustment Address
67, 68
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
10
02
Set the data, and press PAUSE
button.
button.
3
6
6F
01
Set the data.
4
6
7F
Check that the data.
When the data is “00”, proceed
to step 8.
When the data is “03”, proceed
to step 5.
When the data is “00”, proceed
to step 8.
When the data is “03”, proceed
to step 5.
5
F
67
Set the following data, and press
PAUSE button.
69: GV-D200/D800 (NTSC)
65: GV-D200E/D800E (PAL)
PAUSE button.
69: GV-D200/D800 (NTSC)
65: GV-D200E/D800E (PAL)
6
F
68
Set the following data, and press
PAUSE button.
64: GV-D200/D800 (NTSC)
72: GV-D200E/D800E (PAL)
PAUSE button.
64: GV-D200/D800 (NTSC)
72: GV-D200E/D800E (PAL)
7
Proceed to step 10.
8
F
67
Set the following data, and press
PAUSE button.
A0: GV-D200/D800 (NTSC)
A0: GV-D200E/D800E (PAL)
PAUSE button.
A0: GV-D200/D800 (NTSC)
A0: GV-D200E/D800E (PAL)
9
F
68
Set the following data, and press
PAUSE button.
AA: GV-D200/D800 (NTSC)
B8: GV-D200E/D800E (PAL)
PAUSE button.
AA: GV-D200/D800 (NTSC)
B8: GV-D200E/D800E (PAL)
10
6
6F
00
Set the data.
11
D
10
00
Set the data, and press PAUSE
button.
button.
12
0
01
00
Set the data.
Fig. 5-3-13.
H
B
A
5-28
7. Hi8/standard 8mm AFC fo Adjustment
(VC-250 board)
Adjust the pull-in range of the clock generator (IC2201) for A/D
conversion during Hi8/standard 8mm playback.
conversion during Hi8/standard 8mm playback.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 2 of CN933 (AFC f0)
Measuring Instrument
Digital voltmeter
Adjustment Page
F
Adjustment Address
65
Specified Value
A=1.40 ± 0.05Vdc
Or the data of page: 6, address: 6E is
“7C” to “84”
Or the data of page: 6, address: 6E is
“7C” to “84”
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
10
02
Set the data, and press PAUSE
button.
button.
3
3
0D
04
Set the data, and press PAUSE
button.
button.
4
6
63
04
Set the data.
5
6
6F
01
Set the data.
6
6
01
C5
Set the data, and press PAUSE
button.
button.
7
6
02
Check that the data is “00”.
8
6
6E
Check that the data satisfies the
specifies value.
Or check that the DC voltage
(A) satisfies the specifies value.
specifies value.
Or check that the DC voltage
(A) satisfies the specifies value.
9
3
0D
00
Set the data, and press PAUSE
button.
button.
10
6
01
00
Set the data, and press PAUSE
button.
button.
11
6
63
00
Set the data.
12
6
6F
00
Set the data.
13
D
10
00
Set the data, and press PAUSE
button.
button.
14
0
01
00
Set the data.
5-29
3-6.
IR TRANSMITTER ADJUSTMENTS
Adjust using the IR receiver jig (J-6082-383-A).
Note:
If the distance between the IR receiver jig and the VCR is below
1m, cover the LASER LINK emitter with a ND filter. (For example,
when the distance is 30cm to 50cm, cover the LASER LINK emitter
with a ND filter 1.0.)
1m, cover the LASER LINK emitter with a ND filter. (For example,
when the distance is 30cm to 50cm, cover the LASER LINK emitter
with a ND filter 1.0.)
Switch setting:
LASER LINK ........................................ ON (Red LED is lit)
1. IR Video Carrier Frequency Adjustment
(VC-250 board)
Mode
VTR stop
Signal
Arbitrary
Measurement Point
Pin 5 of CN003 of IR receiver jig (RF)
(Or Pin qh of IC3901 of VC-250 board)
(Or Pin qh of IC3901 of VC-250 board)
Measuring Instrument
Frequency counter
Adjustment Page
F
Adjustment Address
80
Specified Value
f = 11.85 ± 0.05 MHz
Connection of Equipment:
Connect the measuring device as shown in the following figure,
and adjust.
Connect the measuring device as shown in the following figure,
and adjust.
2. IR Video Deviation Adjustment (VC-250 board)
Mode
VTR stop
Signal
Arbitrary
Measurement Point
VIDEO OUT terminal of IR receiver
jig (Terminated at 75
jig (Terminated at 75
Ω
)
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
7E
Specified Value
A = 0.82 ± 0.05 V
Connection of Equipment:
Connect the measuring device as shown in the following figure,
and adjust.
Connect the measuring device as shown in the following figure,
and adjust.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
0C
08
Set the data, and press PAUSE
button.
button.
3
F
80
Change the data, and set the
video carrier frequency (f) to the
specified value.
video carrier frequency (f) to the
specified value.
4
F
80
Press PAUSE button.
5
3
0C
00
Set the data, and press PAUSE
button.
button.
6
0
01
00
Set the data.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
0C
01
Set the data, and press PAUSE
button.
button.
3
F
7E
Change the data, set the video
signal amplitude (A) to the
specified value.
signal amplitude (A) to the
specified value.
4
F
7E
Press PAUSE button.
5
3
0C
00
Set the data, and press PAUSE
button.
button.
6
0
01
00
Set the data.
Fig. 5-3-15.
Main unit
IR receiver jig
Pin
5
of
CN003
Frequency counter
Main unit
IR receiver jig
VIDEO
OUT
75
Ω
75
Ω
(1-247-804-11)
Oscilloscope
A
H
White
Fig. 5-3-14.
Fig. 5-3-16.
5-30
3. IR Audio Deviation Adjustment (VC-250 board)
Mode
VTR stop
Signal
Video : No signal
Audio : –400Hz, –7.5dBs, Audio left
and right terminal of AUDIO/VIDEO
jack
Audio : –400Hz, –7.5dBs, Audio left
and right terminal of AUDIO/VIDEO
jack
Measurement Point
AUDIO L terminal and AUDIO R
terminal of IR receiver jig
(Terminated at 47k
terminal of IR receiver jig
(Terminated at 47k
Ω
)
Measuring Instrument
Audio level meter
Adjustment Page
F
Adjustment Address
7F
Specified Value
Signal level: –7.5 ± 1.0 dBs
Level difference of L and R: Below
2dB
Level difference of L and R: Below
2dB
Connection of Equipment:
Connect the measuring device as shown in the following figure,
and adjust.
Connect the measuring device as shown in the following figure,
and adjust.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
Connect the audio level meter to
the AUDIO L terminal of the IR
receiver jig.
the AUDIO L terminal of the IR
receiver jig.
3
F
7F
Change the data and set the
400Hz audio signal level to the
specified value.
400Hz audio signal level to the
specified value.
4
F
7F
Press PAUSE button.
5
Connect the audio level meter to
the AUDIO R terminal of the IR
receiver jig.
the AUDIO R terminal of the IR
receiver jig.
6
F
7F
Check that the 400Hz audio
signal level is within the
specified value. If outside, repeat
from step 2.
signal level is within the
specified value. If outside, repeat
from step 2.
7
0
01
00
Set the data.
Main unit
Audio oscillator
Audio Left
(White)
(White)
Video
(Yellow)
(Yellow)
Audio Right
(Red)
(Red)
Attenuator
AUDIO/VIDEO
INPUT
IR receiver jig
AUDIO OUT
L
R
Audio level meter
47k
Ω
600
Ω
600
Ω
: 270
Ω
(1-249-410-11) + 330
Ω
(1-249-411-11)
47k
Ω
(1-249-437-11)
Fig. 5-3-17.
Click on the first or last page to see other GV-D200 service manuals if exist.