2-19
3-11. Envelope Waveform
Adjustment
SPEC V1/Vmax, V2/Vmax, V3/Vmax ≥ 0.8
TEST
POINT
Refer to Table 3-11-2 and item
“2. Table of Test Point”
ADJ. S1, T1 Post Height
MODE PLAY (ATF)
TAPE NTSC : VFM3580KM or VFM3580KL
PAL : VFM3680KM or VFM3680KL
M.EQ Oscilloscope
TYPE
Except
F
VFK1149 (Post Driver)
TOOL
F VFK1149 (Post Driver)
VFK1185 (BER COUNTER)
VFK1158A
(BER COUNTER CABLE)
(Classified list for ENV adjustment)
TYPE Model
A AJ-D440, AJ-D450, AJ-D640, AJ-D650,
AJ-D750, AJ-D850
B AJ-D200, AJ-D210, AJ-D215, AJ-D400,
AJ-D700, AJ-D700A, AJ-D800, AJ-
D800A,
AJ-D810, AJ-D810A, AJ-D610
C AJ-D220, AJ-D230, AJ-D230H, AJ-D250,
AJ-LT75, AJ-LT85
D AJ-DE77, AJ-D780
E AJ-D950, AJ-D950A
F AJ-D90, AJ-D900W, AJ-D900WA,
AJ-D910WA, AJ-PD900W, AJ-PD900WA
G AJ-D92, AJ-D94, AJ-D95DC
H AJ-D940
Table 3-11-1
[ Connection to BER COUNTER ]
When confirm the RF envelope signal with model of
TYPE F, it required the BER COUNTER is connected
to CAM CORDER as shown in figure 3-11-1.
< In case of confirm the ENV Lch >
Connect the BER COUNTER CABLE to P4 connector
on RF P.C.Board.
< In case of confirm the ENV Rch >
Connect the BER COUNTER CABLE to P5 connector
on RF P.C.Board.
Figure 3-11-1
(Table of connected signal)
TYPE Connected signal TEST POINT
A, B, C RP ENV
RP HSW (TRIG)
D ENV L13
HSW L13 (TRIG)
E RP ENV L
RP ENV R
RP HSW L (TRIG) Refer to
F, G R/P ENV L (Table of Test
Point)
R/P ENV R
R/P HSW L (TRIG)
R/P HSW R (TRIG)
H PB ENV L13
PB ENV R13
PB HSW L13 (TRIG)
PB HSW R13 (TRIG)
Table 3-11-2