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JVC GR-DV3000U User Manual

JVC GR-DV3000U
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3-3
3.3 MONITOR ADJUSTMENT
Notes :
Unless otherwise specified, all measurement points
and adjustment parts are located on MONITOR
board.
1) Observe waveform at pin 24 of the IC7301 or TP7301
(RPD).
2) For the wavefor shown in the waveform chart (Fig. 3-3-
1), equalize the width of A and B with each other by ad-
justing R7321.
3.3.1 PLL (MONI)
a
a
H. rate
< magnification>
A = B
AB
Fig. 3-4-1 PLL (VF)
a
H. rate
AB
< magnification>
A = B
a
Fig. 3-3-1 PLL (MONI)
Subject Camera picture
Gray scale
Mode EE
Equipment Oscilloscope
Measurement point
IC7301 pin 24 (RPD) or TL7301 (RPD)
Adjustment part R7321 (PLL MONI)
Specification
A = B
3.4 ELECTRONIC VIEWFINDER (E.VF) ADJUSTMENT
Notes :
Unless otherwise specified, all measurement points
and adjustment parts are located on MONITOR
board.
1) Observe waveform at pin 24 of the IC7401 or TL7401
(RPD).
2) For the wavefor shown in the waveform chart (Fig. 3-4-
1), equalize the width of A and B with each other by ad-
justing R7421.
3.4.1 PLL (VF)
Subject Camera picture
Gray scale
Mode EE
Equipment Oscilloscope
Measurement point
IC7401 pin 24 (RPD) or TL7401 (RPD)
Adjustment part R7421 (PLL VF)
Specification
A = B
Fig. 3-3-2 MONITOR board (COMPONENT SIDE)
R7421
PLL(VF)
55
54 37
24
(PRD)
81
72
36
19
R7321
PLL(MONI)
TL7401(PRD)
TL7301
(PRD)
TL7302
IC7301
IC7401
MONITOR PWB
Fig. 3-4-2 MONITOR board (COMPONENT SIDE)
R7421
PLL(VF)
1
72 55
3619
18
54
37
R7321
PLL(MONI)
IC7301
IC7401
MONITOR PWB
24
(PRD)
TL7401(PRD)
TL7301
(PRD)
TL7302

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JVC GR-DV3000U Specifications

General IconGeneral
BrandJVC
ModelGR-DV3000U
CategoryCamcorder
LanguageEnglish

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