DVR-7000
MAIN ASSY
IC4007 Pin54 (CLKO)
(M65774AFP)
Y output of S terminal
(75
Ω
termination)
C output of S terminal
(75
Ω
termination)
No.
Adjustment Name
Adj. Point Measurement Point
Adjustment Value
Adjustment State
1
2
27.000000MHZ
±
130Hz
1.00Vp-p
±
40mV
3
4
Master clock free-running adjustment
(Clock system adjustment)
Y level adjustment of CVBS system
(Output system adjustment)
C level adjustment of CVBS system
(Output system adjustment)
Y level adjustment of component system
(Output system adjustment)
P
B
level adjustment of component system
(Output system adjustment)
P
R
level adjustment of component system
(Output system adjustment)
VC3001
VR7006
No input signal or during test disc play-
back
Playback the DVD test disc(100%white).
Terminate the Y output of S terminal with
75
Ω
and adjust so that the level of between
sync tip and white peak becomes 1.0Vp-p.
Playback the DVD test disc(100%white).
At the pin 11 of CN7001 in the MAIN ASSY,
adjust so that the level of between sync tip
and white peak becomes 0.8Vp-p.
Playback the DVD test disc(100%color- bar).
Terminate the C output of S terminal with
75
Ω
and adjust so that the amplitude of
color burst becomes 286mVp-p.
Playback the DVD test disc(100%color- bar).
At the pin 13 of CN7001 in the MAIN ASSY,
adjust so that the level of between bottom
and top becomes 0.76Vp-p in the 100%
color-bar screen.
Playback the DVD test disc(100%color- bar).
At the pin 15 of CN7001 in the MAIN ASSY,
adjust so that the level of between bottom
and top becomes 0.76Vp-p in the 100%
color-bar screen.
5
VR7003
800mVp-p
±
24mV
286mVp-p
±
11mV
VR7007
VR7004
760mVp-p
±
22mV
6
VR7005
760mVp-p
±
22mV
MAIN ASSY
CN7001 Pin11
(Y Out)
MAIN ASSY
CN7001 Pin13
(P
B
Out)
MAIN ASSY
CN7001 Pin15
(P
R
Out)
MAIN ASSY
E
SIDE A
2.3 MAIN ASSY ADJUSTMENT
Note : Use disc : [ DVD test disc GGV1025]
Fig.2 Adjustment Point
VR7005
VR7007
VR7006
VC3001
VR7003
VR7004
CN7001
IC4007
1
22
54
