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MECHANISM SECTION
• Driving Force Check
Torque Meter
Play: TW-2111
• Torque Check
Torque Meter
Play: TW-2111
30 to 80 g.cm
Fast forward: TW-2231
—
Rewind: TW-2231
—
• Tape Speed
Test Tape
Adjusting
Point
Tape
MTT-111
Variable
speed
Resistor in
motor.
TAPE MECHANISM
Variable Resistor in motor
Figure 9-1
VR351
T351
AM IF
FM MUTE
Level
TP302
R356
T306
R357
AM BAND
COVERAGE fL
Figure 9-2 ADJUSTMENT POINTS
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ADJUSTMENT
Specified Value
Tape 1: Over 80 g
Tape 2: Over 80 g
Specified Value
Tape 1
Tape 2
30 to 80 g.cm
70 to 180 g.cm
70 to 180 g.cm
Specified
Instrument
Value
Connection
3,000 ± 30 Hz
Speaker
Terminal
(Load
resistance:
6 ohms)
Tape
Motor
MAIN PWB
1
22
R381
20
TP301
11
12
L303
FM BAND
COVERAGE fL
T304
FM IF
1
L302
FM RF
T302
AM TRACKING
fL
TUNER SECTION
fL: Low-range frequency
fH: High-range frequency
• AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
Test Stage
Frequency
AM IF
450 kHz
AM Band
—
Coverage
AM Tracking 990 kHz
*1. Input: Antenna
*2. Input: Antenna
• FM RF
Signal generator: 1 kHz, 40 kHz dev., FM modulated
Test Stage
Frequency Frequency
FM Band
—
Coverage
FM RF
98.00 MHz 98.00 MHz
(10-30 dB)
*1. Input: Antenna
Output: TP301
*2. Input: Antenna
Output: Speaker Terminal
• FM IF
Signal generator: 10.7 MHz, FM modulated
Frequency Frequency
Test Stage
IF
10.7 MHz
*1. Input: Antenna
• FM Mute Level (FM ST MODE)
Signal generator: 1 kHz, 40 kHz dev., FM modulated
Display
Frequency
98.00 MHz
98.00 MHz
(26 dBµV)
*1. Adjust so that an output signal appears.
– 9 –
CD-XP120
Frequency
Setting/
Instrument
Display
Adjusting
Connection
Parts
1,720 kHz
T351
*1
530 kHz
(fL): T306
*2
1.1 ± 0.1 V
990 kHz
(fL): T302
*1
Output: TP302
Output: TP301
Setting/
Instrument
Display
Adjusting
Connection
Point
87.50 MHz
L303 (fL):
*1
1.3 V ± 0.1 V
L302
*2
Setting/
Instrument
Display
Adjusting
Connection
Point
98 MHz
T304
*1
(Turn the
core of trans-
former T304
fully counter-
clock wise)
Output: TP301
Adjusting
Instrument
Parts
Connection
VR351*1
Input:CNP301
Output: Speaker
Terminal
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