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UDV-34090
DV-5470S
M@
PIF/SIF/AGC/G2 Adjustment
1. Trap Adjustment
Adjusting Point
O] 11201: Trap coil: (Adj.-P
Trap) |
1. Connect sweep generator output to IF in (FA (1)).
2. Connect
response
cable
with
detector
to
collector line of Q1200 (see diagram).
To Oscilloscope
GND
3. Adjust
11201
(Adj.-P
Trap) so that trap is
(32.4 MHz).
{32.4 MHz)
Trap. Adj. P
T1201
2. VCO Adjustment
Adjusting Point
OO 114202: VCO adjust coil
ho
(FA) in IF unit.
e
Frequency:
38.9 MHz (CW) + 5 kHz
e
Level:
approx. 85 dB
To Coffector of . 7:
Qi200.
.
Apply DC 2.5V to pin (25) of 1C1200 (PIF-AGC).
. Feed the following signal to pin (1) of connector
3. Separation Adjustment
Adjusting Point
C1 R1219:
Separation control
4. RF AGC Adjustment
Adjusting Point
{] R1216:
RF AGC contro!
maximum voltage (step 3).
_ 5, G2 Adjustment
6. Focus Adjustment
—
7. 110 V Adjustment
2. Connect DC voltmeter to TP700.
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