Sony GV-D300 Service Manual ▷ View online
5-17
3-5-3. Base Band Block Adjustments
Note:
In some adjustments, the color bar signal generated by DCR-
VX1000(NTSC) or DCR-VX1000E(PAL) is used for the video input
signal.
VX1000(NTSC) or DCR-VX1000E(PAL) is used for the video input
signal.
[How to generate the color bar signal]
1)
Connect the adjustment remote commander to DCR-
VX1000(NTSC) or DCR-VX1000E(PAL).
VX1000(NTSC) or DCR-VX1000E(PAL).
2)
Set the power switch to CAMERA.
3)
Select page: 5, address: 02, and set data: 09.
By carrying out the above procedure, DCR-VX1000(NTSC)
or DCR-VX1000E(PAL) generates the color bar signal. After
completing adjustments, set data: 00 to the address.
By carrying out the above procedure, DCR-VX1000(NTSC)
or DCR-VX1000E(PAL) generates the color bar signal. After
completing adjustments, set data: 00 to the address.
1. NPS PLL Adjustment (CB-61 Board)
Set the NPS PLL free-run frequency.
Mode
VTR stop
Signal
Color bar signal generated by DCR-
VX1000(NTSC) or DCR-
VX1000E(PAL) (DV jack input)
VX1000(NTSC) or DCR-
VX1000E(PAL) (DV jack input)
Measurement Point
Pin
!¶ of CN9932 (NPS PLL)
Measuring Instrument
Frequency counter
Adjustment Element
CT1200
Specified Value
f = 14318180 ± 100Hz (NTSC)
f = 17734480 ± 100Hz (PAL)
f = 17734480 ± 100Hz (PAL)
Adjusting method:
1)
1)
Set the frequency (f) to the specified value using CT1200.
2. NPS Y Level Adjustment (CB-61 Board)
Set the IC1103 PB Y input signal level.
Mode
VTR stop
Signal
Color bar signal generated by DCR-
VX1000(NTSC) or DCR-
VX1000E(PAL) (DV jack input)
VX1000(NTSC) or DCR-
VX1000E(PAL) (DV jack input)
Measurement Point
Pin
!• of CN9932 (NPS Y)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
59
Specified Value
A = 125 ± 3mV (NTSC)
A = 140 ± 3mV (PAL)
A = 140 ± 3mV (PAL)
Connection: Connect Pin
!• of CN9932 and Pin !ª (GND) of
CN9932 with a 470
Ω
resistor (Parts code: 1-249-413-11)
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 59, change the data and set the sync
signal level (A) to the specified value.
signal level (A) to the specified value.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
5)
Perform “Video Output Y Level Adjustment”.
Fig. 5-3-8
H
A
5-18
3. VIDEO Output Y Level Adjustment (CB-61 Board)
Set the Y signal level of the Video output signal.
Mode
VTR stop
Signal
No signal
Measurement Point
VIDEO jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
96
Specified Value
A = 286 ± 6mV (NTSC)
A = 300 ± 6mV (PAL)
A = 300 ± 6mV (PAL)
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 15, after memorizing the data, set the
bit value of bit2 to “0”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
bit value of bit2 to “0”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
3)
Select page: D, address: 96, change the data and set the sync
signal level (A) to the specified value.
signal level (A) to the specified value.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: D, address: 15, and set the data memorized at
step 2).
step 2).
6)
Press the PAUSE button of the adjustment remote commander.
7)
Select page: 0, address: 01, and set data: 00.
8)
Perform “VIDEO Output Chroma Level Adjustment”.
Fig. 5-3-9
4. S VIDEO Output Y Level Adjustment (CB-61 Board)
Set the Y signal level of the S video output signal.
Mode
VTR stop
Signal
No signal
Measurement Point
Y signal terminal of S VIDEO jack
(75
(75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
95
Specified Value
A = 286 ± 6mV (NTSC)
A = 300 ± 6mV (PAL)
A = 300 ± 6mV (PAL)
Note:
Insert a plug in the S VIDEO jack.
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 15, after memorizing the data, set the
bit value of bit2 to “0”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
bit value of bit2 to “0”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
3)
Select page: D, address: 95, change the data and set the sync
signal level (A) to the specified value.
signal level (A) to the specified value.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: D, address: 15, and set the data memorized at
step 2).
step 2).
6)
Press the PAUSE button of the adjustment remote commander.
7)
Select page: 0, address: 01, and set data: 00.
Fig. 5-3-10
A
H
A
H
5-19
5. AGC Adjustment (CB-61 Board)
Set the IC9004 AGC gain.
Mode
VTR stop
Signal
Color bar (VIDEO jack input)
Measurement Point
Y signal terminal of S VIDEO jack
(75
(75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
9A
Specified Value
A = 1.00 ± 0.02V
Note:
Before perform this adjustment, check that the specified value of “S
VIDEO Output Level Adjustment” is satisfied.
VIDEO Output Level Adjustment” is satisfied.
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 2, address: 13, and set data: FE.
3)
Select page: D, address: 9A, change the data and set the Y
signal level (A) to the specified value.
signal level (A) to the specified value.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: 2, address: 13, and set data: 00.
6)
Select page: 0, address: 01, and set data: 00.
For NTSC model
For PAL model
Fig. 5-3-11
H
A
White (100%)
A
White (100%)
H
6. NPS B-Y Level Adjustment (CB-61 Board)
Set the IC1101 CB OUT level.
Mode
VTR stop
Signal
Color bar signal generated by DCR-
VX1000(NTSC) or DCR-
VX1000E(PAL) (DV jack input)
(Note)
VX1000(NTSC) or DCR-
VX1000E(PAL) (DV jack input)
(Note)
Measurement Point
VIDEO jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
99
Specified Value
A = 450 ± 10mV (NTSC)
A = 460 ± 10mV (PAL)
A = 460 ± 10mV (PAL)
Note:
How to generate the color bar signal.
1) Connect the adjustment remote commander to DCR-
1) Connect the adjustment remote commander to DCR-
VX1000(NTSC) or DCR-VX1000E(PAL).
2) Set the power switch to CAMERA.
3) Select page: 5, address: 02, and set data: 09.
3) Select page: 5, address: 02, and set data: 09.
By carrying out the above procedure, DCR-VX1000(NTSC) or
DCR-VX1000E(PAL) generates the color bar signal. After
completing adjustments, set data: 00 to the address.
DCR-VX1000E(PAL) generates the color bar signal. After
completing adjustments, set data: 00 to the address.
Adjusting method:
1)
1)
Check that RV1200 is the mechanical center.
2)
Select page: 0, address: 01, and set data: 01.
3)
Select page: D, address: 99, change the data and set the blue
level (A) to the specified value.
level (A) to the specified value.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: 0, address: 01, and set data: 00.
6)
Perform “VIDEO Output Burst Level Adjustment”.
Fig. 5-3-12
A
H
Blue
5-20
8. VIDEO Output Burst Level Adjustment (CB-61 Board)
Set the composite output burst signal level.
Mode
VTR stop
Signal
Color bar signal generated by DCR-
VX1000(NTSC) or DCR-
VX1000E(PAL) (DV jack input)
VX1000(NTSC) or DCR-
VX1000E(PAL) (DV jack input)
Measurement Point
VIDEO jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
A6
Specified Value
A = 286 ± 6mV (NTSC)
A = 300 ± 6mV (PAL)
A = 300 ± 6mV (PAL)
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: A6, change the data and set the burst
level (A) to the specified value.
level (A) to the specified value.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
Fig. 5-3-14
A
H
9. NPS R-Y Level Adjustment for NTSC model
(CB-61 Board)
(CB-61 Board)
Adjust the IC1101 CR OUT level, and set the chroma phase.
Mode
VTR stop
Signal
Color bar signal generated by DCR-
VX1000(NTSC) (DV jack input)
VX1000(NTSC) (DV jack input)
Measurement Point
VIDEO jack
Measuring Instrument
Vectorscope
Adjustment Page
D
Adjustment Address
97
Specified Value
All color luminance points should
settle within each specified frame( ).
settle within each specified frame( ).
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Adjust the GAIN and PHASE of the vectorscope, and set the
burst luminance point to the burst position (75% position).
burst luminance point to the burst position (75% position).
3)
Select page: D, address: 97, change the data and settle each
color luminance point in each specified frame ( ).
color luminance point in each specified frame ( ).
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: 0, address: 01, and set data: 00.
7. NPS R-Y Level Adjustment for PAL model
(CB-61 Board)
(CB-61 Board)
Adjust the IC1101 CR out level.
Mode
VTR stop
Signal
Color bar signal generated by DCR-
VX1000E(PAL) (DV jack input)
VX1000E(PAL) (DV jack input)
Measurement Point
VIDEO jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
97
Specified Value
A = 640 ± 10mV
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 97, change the data and set the red
level (A) to the specified value.
level (A) to the specified value.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
Fig. 5-3-13
Red
A
H
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