Sony GV-HD700 (serv.man4) Service Manual ▷ View online
6-8
GV-HD700/HD700E_ADJ
Mode
VTR stop
Signal
No signal
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
31 (Y gain)
45 (Cb gain)
46 (Cr gain)
Specified Value
All white signal waveform = 1Vp-p
±
40mV
1-5-4. Panel Driver Video Input Level Adjustment 2
(PD-332 board)
Adjust the analog input signal (component) level to the panel driver.
(PD-332 board)
Adjust the analog input signal (component) level to the panel driver.
1-5-5. V-COM Adjustment (PD-332 board)
Set the DC bias of the common electrode drive signal of LCD to
the specified value.
If deviated, the LCD display will be move, producing flicker and
conspicuous vertical lines.
Set the DC bias of the common electrode drive signal of LCD to
the specified value.
If deviated, the LCD display will be move, producing flicker and
conspicuous vertical lines.
Adjusting method:
1) Execute LCD-2_Adj.vbe. The window as shown below appears
1) Execute LCD-2_Adj.vbe. The window as shown below appears
on the screen. Then click “OK” to start the adjustment.
2) Adjustment goes automatically.
3) When the window as shown below appears on the screen, the
3) When the window as shown below appears on the screen, the
adjustment is done and click “OK” on the message window.
LCD panel of
GV-HD700/HD700E Front of
GV-HD700/HD700E Front of
the lens
Video out
jack
jack
Osilloscope
L = Arbitrary
L
Camcorder
LCD panel of GV-HD700/HD700E fully
appears on the LCD screen of Camcorder.
appears on the LCD screen of Camcorder.
Mode
VTR stop
Signal
No signal
Measurement Point
Camcorder, Oscilloscope
Measuring Instrument
Adjustment Page
C
Adjustment Address
3B
Specified Value
Waveform becomes minimum
Note 1: Perform “Panel Driver Video Input Level Adjustments”
before this adjustment.
Note 2: Adjust in a dark place.
Adjusting method:
1) Execute VCOM_Adj.vbe. The window as shown below ap-
1) Execute VCOM_Adj.vbe. The window as shown below ap-
pears on the screen. Then click “OK” to start the adjustment.
2) After adjustment, the window as shown below appears on the
screen.
Confirm the waveform and the specified value is satisfied, click
“No” to quit the adjustment.
In case of the specified value is not satisfied, click “Yes” to
continue adjustment. Repeat it until the specified value is sat-
isfied.
Confirm the waveform and the specified value is satisfied, click
“No” to quit the adjustment.
In case of the specified value is not satisfied, click “Yes” to
continue adjustment. Repeat it until the specified value is sat-
isfied.
In case of setting data is difficult, input the default value as
follows.
follows.
Factory setting
Page
Address
Data
C
3B
40
3)
When the window as shown below appears on the screen, the
adjustment is done and click “OK” on the message window.
adjustment is done and click “OK” on the message window.
6-9
GV-HD700/HD700E_ADJ
1-5-6. White Balance Adjustment
Correct the white balance at transmissive mode.
If deviated, the LCD screen color cannot be reproduced.
Correct the white balance at transmissive mode.
If deviated, the LCD screen color cannot be reproduced.
Mode
VTR stop
Signal
No signal
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
41 R_BIAS
42 B_BIAS
43 R_GAIN
44 B_GAIN
42 B_BIAS
43 R_GAIN
44 B_GAIN
Specified Value
Screen becomes white
Note 1: Adjust in a dark place.
Note 2: After adjustment, be sure to turn power off the set.
Note 2: After adjustment, be sure to turn power off the set.
Adjusting method:
1) Execute WB_Adj.vbe. The window as shown below appears
1) Execute WB_Adj.vbe. The window as shown below appears
on the screen. Then click “OK” to start the adjustment.
2) Program pauses and the data input column window appears
on the screen as shown below. Then input data meets the
specified value and click “OK” button on the window.
specified value and click “OK” button on the window.
3) When the window as shown below appears on the screen, the
adjustment is done and click “OK” on
the message window.
the message window.
4) Turn power off the set.
6-10
GV-HD700/HD700E_ADJ
6-2. MECHANISM SECTION ADJUSTMENTS
On the mechanism section adjustment
For details of mechanism section adjustments, checks, and replace-
ment of mechanism parts, refer to the separate volume “DV ME-
CHANICAL ADJUSTMENT MANUAL IX N Mechanism ”.
For details of mechanism section adjustments, checks, and replace-
ment of mechanism parts, refer to the separate volume “DV ME-
CHANICAL ADJUSTMENT MANUAL IX N Mechanism ”.
2-1.
HOW TO ENTER RECORD MODE
WITHOUT CASSETTE
WITHOUT CASSETTE
1) Connect the adjustment remote commander to the LANC jack.
2) Turn the HOLD switch of the adjustment remote commander
2) Turn the HOLD switch of the adjustment remote commander
to the ON position.
3) Close the cassette compartment without the cassette.
4) Select page: 3, address: 01, set data: 0C, and press the PAUSE
4) Select page: 3, address: 01, set data: 0C, and press the PAUSE
(Write) button of the adjustment remote commander.
(The mechanism enters the record mode automatically.)
Note: The function buttons become inoperable.
(The mechanism enters the record mode automatically.)
Note: The function buttons become inoperable.
5) To quit the record mode, select page: 3, address: 01, set data:
00, and press the PAUSE (Write) button of the adjustment re-
mote commander. (Whenever you want to quit the record
mode, be sure to quit following this procedure.)
mote commander. (Whenever you want to quit the record
mode, be sure to quit following this procedure.)
2-2.
HOW TO ENTER PLAYBACK MODE
WITHOUT CASSETTE
WITHOUT CASSETTE
1) Connect the adjustment remote commander to the LANC jack.
2) Turn the HOLD switch of the adjustment remote commander
2) Turn the HOLD switch of the adjustment remote commander
to the ON position.
3) Close the cassette compartment without the cassette.
4) Select page: 3, address: 01, set data: 0B, and press the PAUSE
4) Select page: 3, address: 01, set data: 0B, and press the PAUSE
(Write) button of the adjustment remote commander.
(The mechanism enters the playback mode automatically.)
Note: The function buttons become inoperable.
(The mechanism enters the playback mode automatically.)
Note: The function buttons become inoperable.
5) To quit the playback mode, select page: 3, address: 01, set
data: 00, and press the PAUSE (Write) button of the adjust-
ment remote commander. (Whenever you want to quit the
playback mode, be sure to quit following this procedure.)
ment remote commander. (Whenever you want to quit the
playback mode, be sure to quit following this procedure.)
2-3.
TAPE PATH ADJUSTMENT
1.
Preparation for Adjustment
1) Clean the tape running side (tape guide, drum, capstan shaft,
pinch roller, etc.).
2) Connect the adjustment remote commander to the LANC jack.
3) Turn the HOLD switch of the adjustment remote commander
3) Turn the HOLD switch of the adjustment remote commander
to the ON position.
4) Connect an oscilloscope to RP-244 board CN1002 via tha CPC
jig.
Channel 1: RP-244 board CN1002 Pin 1 (Note)
External trigger: RP-244 board CN1002 Pin 2
Note: Connect a 75
Channel 1: RP-244 board CN1002 Pin 1 (Note)
External trigger: RP-244 board CN1002 Pin 2
Note: Connect a 75
Ω resistor between pins 1 and 8 of
CN1002.
75
75
Ω resistor (Parts code: 1-247-804-11)
5) Playback the alignment tape for tracking. (XH2-1)
6) Select page: 3, address: 33, and set data: 08.
7) Select page: 3, address: 26, set data: 31, and press the PAUSE
6) Select page: 3, address: 33, and set data: 08.
7) Select page: 3, address: 26, set data: 31, and press the PAUSE
(Write) button.
8) Check that the oscilloscope RF waveform is normal at the en-
trance and exit.
If not normal, adjust according to the separate volume
“DV MECHANICAL ADJUSTMENT MANUAL IX
N Mechanism ” .
If not normal, adjust according to the separate volume
“DV MECHANICAL ADJUSTMENT MANUAL IX
N Mechanism ” .
CN1002 of RP-244 board
Pin No. Signal Name
1
RF_MON
2
SWP
3
REG_GND
4
N.C.
5
N.C.
6
N.C.
7
N.C.
8
REG_GND
2.
Procedure after operations
1) Connect the adjustment remote commander to the LANC jack
and set the HOLD switch to the ON position.
2) Select page: 3, address: 26, set data: 00, and press the PAUSE
(Write) button.
3) Select page: 3, address: 33, and set data: 00.
Fig. 6-2-1
CH1
Entrance side
Exit side
Check this section
(Normal waveform)
CH2
(Trigger)
3.3 msec
6-11
GV-HD700/HD700E_ADJ
6-3. VIDEO SECTION ADJUSTMENTS
3-1.
PREPARATIONS BEFORE ADJUSTMENTS
3-1-1.
Precautions on Adjusting
Note: Before performing the adjustment, check the data of page:
0, address: 10 is “00”. If not, select page: 0, address: 00,
and set data “00”.
and set data “00”.
3-1-2.
Adjusting Connectors
The measuring point of the playback RF signal is CN1002 of RP-
244 board. Connect the measuring instruments via the CPC
jig. Refer to “MECHANISM SECTION ADJUSTMENT” for the
measuring method. The following table lists the pin numbers and
signal names of CN1002.
244 board. Connect the measuring instruments via the CPC
jig. Refer to “MECHANISM SECTION ADJUSTMENT” for the
measuring method. The following table lists the pin numbers and
signal names of CN1002.
Pin No. Signal Name
1
RF_MON
2
SWP
3
REG_GND
4
N.C.
5
N.C.
6
N.C.
7
N.C.
8
REG_GND
Table 6-3-1
Fig. 6-3-1
3-1-3.
Connecting the Equipment
Connect the measuring instruments as shown in Fig. 6-3-1, and
perform the adjustments.
perform the adjustments.
A/V OUT jack
Audio L (White)
Audio R (Red)
Video
(Yellow)
(Yellow)
S Video
(Black)
(Black)
COMPONENT
OUT jack
OUT jack
Pr (Red)
Pb (Blue)
Y (Green)
AC IN
DC IN jack
VIDEO system adjustment (COMPONENT OUT)
VIDEO system adjustment (S VIDEO, VIDEO)
Osilloscope
Terminated
75
75
Osilloscope
Terminated
75 ohm
75 ohm
Adjustment remote commander
RM-95
NEW LANC JIG
AC adaptor
AC-L100 or AC-L15A
AC-L100 or AC-L15A
Multi cable
for service
1
8
RP-244 BOARD
(SIDE A)
CPC-15
I/F unit for LANC control
CN1002
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