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n
: TU201 (preset)
but with no signal input. Adjust the PLL data.
the tuner antenna. (RF sweep)
probe with wave detector; see Fig.7) to the tun-
(This terminal must have the probe alone con-
nected.)
tact with the waveform.
shown in Fig. 2.
Note : Be sure to keep the tuner cover in posi-
tion during this adjustment.
terminal.
of IC201.
DC voltage: 6.0 +O.l V
l
age at pin (20) (PLL FIL, TP203) of IC201.
(The digital voltmeter must be able to take
l
readings down to the third decimal place.)
the E-12CH signal.
(With the AFT off, adjust the receiving fre-
l
quency to 224.25 MHz.)
Adjust T203 so that the voltmeter should read
the same voltage as in Step 3).
Allowable error: 0.015 V (20 kHz)
l
tion as in Step 5) above.
of IC201.
l
SERVICE ADJUSTMENT
I F-OUT
1 OOOp
Fig. 7
Fig. 2
DC voltage at TP201
DOWN
A
Fig. 3
1 OkQ
B
c
UP
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