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TUNER ADJUSTMENTS
@ FM MODE switch : STEREO
e TUNING
FM:
87.5 - 108.0 MHz (50 kHz step)
MW:
522 - 1,611 kHz (9 kHz step ) LW:
144 - 288 kHz (9 kHz step )
ae
L2152
12151
(Pr
rae
es)
:
©
S
TP26(R-CH)
CT252
CT251
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ee)
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Z)
£2153
L2154
AM_LOOP
ANTENNA
tp 32004
f
FM ANTENNA
TP11(H)
75 ohm
TP12(GND)
af
™}2001
SG RF Level: 75 ohm Open
Voltage dBuV
a.
ADJUSTMENTS
OF FM
BAND
Antenna : 75 ohm unbalanced , Modulation : 1 kHz,
Dev. : + 22.5 kHz (MONO)
+ 22.5 kHz (STEREO)
+ 6.75 kHz (PILOT)
justi
Connections
a
VTVM
DC voltmeter
.
coverage
TP 11 (H), TP 12 (G)
90.0 MHz
90.0 MHz
a
2
Tracking
106.0 MHz
106.0 MHz
Le
TP27 (G)
SG Frequency
ore
.
Adjustment
Oscilloscope or
Connect to Digital
144 kHz
L2154
1.5 + 0.05V
288 kHz
High end
ie eee
less than 9.0V
162 kHz
162 kHz
L2151
Max.
-279kKHZ
279 kHz
cT251
- 18 -
Tuning
Connect to VTVM
TP 25 (H) or TP 26 (H),
TP 27 (G)
FM Antenna
(SG = 8dBxzV)
Tuning
a
coverage
c.
ADJUSTMENTS
OF
LW BAND
Connect AM SG to
Test Loop
(SG = 80dBuV)
Adjusting
Circuit
Tuning
coverage
DC voltmeter
TP11 (H), TP12 (G)
Connect AM SG to
Connect to VIVM
2
Tracking
Test Loop
TP25 (H) or TP26 (H),
(SG = 85dByV)
TP27 (G)
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