Table of Contents
Advertisement
AFT Adjustment
tern
1
c
o .-
Z
a2
s
c
0
0
—
c
0 .-
.e
u
c
/3
—
AGC Volt Alignment
DC 15.5v
R364(IC 351-1 Pin)
DC (AGC)
TP-C(C1
15+)
Output
probe
Tuner-TP
Input probe(a side)
TP-L(R120)
DC 12V(JIG-A)
Q293Base to GND
DC 5V
R700
DC 9V(JIG - B)
IC 701 pin 3 and 4.
Sweep A1'T
20dB
Output
probe
Side-b
Oscilloscope
10OmV/div.
SG. out put
--
Damping resister
TP-D
JIG-A
b-side(GND)
Fix the AGC voltage
when the overall
wave
Adjustment
form
level
is adjusted
at 1.OV
p-p.
!
Waveform
n_
t
1
.Ovp- p
Resonance Frequency
Adj.
R364(IC 351-1 Pin)
TP-C(C1 15+)
Tuner-TP
TP-J(R191)
Q293Base to GND
R700
IC 701 pin 3 and 4.
20dB
Side-b
lV/div.
20 mV rms(Att. 20dB)
——
b-side(GND)
Keep AGC voltage which is
adjusted
at
AGC
volt –
alignment,
and adjust T131
for 38.9 MHz marker is just
on the reference line.
+
f=38.9MHz (Note2;
otel:
PAL only model does not have
Q293 (SW.TR.) .
This connection
is not necessaty
fo!
AL only model.
MAIN UNIT
1
IOU'+
in
+
3C
A
aQi'13
"
0315
0352
VR3S1
81 ADJ
0311
0 i m
T311
CONVERTER
/jo
TRANS
j7-@p,.
Note 1
V=it"
1
11—
0
Kn
—
VF1411
H.CEN
1
III
TP.F
Vii121
I&z
)?
u-
.- —-
w
I
1
'+
OSCILLOSCOPE
'G"-
loKn
TI
1
J
Input
probs
AGC Voltage ~
Advertisement
Table of Contents
