– 11 –
XL-1000H/1100H
ADJUSTMENT
TUNER SECTION
AM
GND
FM
75
OHMS
ANTENNA
TERMINAL
SO301
T302
FE301
T306
IC303
T351
VR351
TP301
FM Mute
Level
AM Band
Coverage fL
AM
Tracking fL
AM IF
IC302
20
TUNER PWB-A2
Adjusting
Parts
Display
Frequency
• Setting the Test Mode
Keeping the FF/FWD button and MEMORY/SET button
pressed, turn on ON/STAND-BY. Then, the frequency is
initially set in the memory as shown in Table. Call it with the
VOLUME UP/DOWN button to use it for adjustment and check
of tuner circuit.
Preset No.
FM
Preset No.
AM
1 87.50 MHz 6 522 kHz
2 108.00 MHz 7 1,620 kHz
3 98.00 MHz 8 990 kHz
4 90.00 MHz 9 603 kHz
5 106.00 MHz 10 1,404 kHz
• FM Mute Level
Signal generator: 1 kHz, 40 kHz dev., FM modulated
*1. Adjust so that an output signal appears.
Check Point Instrument
Connection
Display
Frequency
87.5 MHz 87.5 MHz 2.2 V ± 0.7 V TP301
108 MHz 108 MHz 7.3 V ± 1.0 V TP301
• Check FM VT
Signal generator: 1 kHz, 40 kHz dev., FM modulated
98.00 MHz 98.00 MHz VR351*1 Input: SO301
(30 dBµV) Output: Speaker
Terminal
Instrument
Connection
*1. Input: Antenna, Output: Speaker Terminal
*2. Input: Input is not connected, Output: TP301
Frequency
Frequency Display
Setting/
Adjusting
Parts
Instrument
Connection
AM IF 450 kHz 1,620 kHz T351 *1
AM Band — 522 kHz (fL): T306 *2
Coverage 1.1 ± 0.1 V
AM 990 kHz 990 kHz (fL): T302 *1
Tracking
fL: Low-range frequency
fH: High-range frequency
Signal generator: 400 Hz, 30%, AM modulated
• AM IF/RF
Figure 11 ADJUSTMENT POINTS
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