Vif Adjustment - Sanyo C29ZK81 Service Manual

VIF Adjustment
Overall Waveform Adj.
R368(C364 side)
ICI 01- pin48
No band
Item I Detector Adi.
R368(C364 side)
ICI 01- pin48
No band (Q784-Base d Ground,
through 1k S2resistor)
TUNER-IF
Q1 22- Emitter
TP-A
DC 15V
IF AGC(3.5- 4.5V)
BAND
Output Probe
Input Probe
Ground
TUNER-IF
Q1 22- Emitter
TP-A
100 Q Dumping Resistor+R124
—
SIF System
Sweep ATT.
Output Probe
Oscilloscope Sens.
any
18dB
side a
100mV/DIV
any
18dB
side a
10OmV/DIV
Adjust the overall waveform level
to become 1Vp – p with IF AGC
VOLTAGE.
Adjustment
IL
c
t
Ivp-p
c
P
c'
Waveform
Input Probe
*t
J
T311
CCWVERTER
TRANS.
o
cm
Detector Adj.
-a
100 Q Dumping
Resistor
o
L41
0242
a
T
@lF-r)
KDY
H- Wmm
Y%
Output Probe
%+.
WM51
KSC
Q:F%T
o SW45+
C431
]a
LX3WN ~ UP
VERT cENTER
MAIN UNIT '%%
UlO10
WT A"EW3m
ufrn
urn
I
IC451
@
VERT,
AMP
o
T471
F,8.T
)
(No Band Setting)
–8–