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XL-S10
2 – 1
Audio
XL-S10
Service Manual
XLS10
Market
E
CHAPTER 2.
ADJUSTMENTS
[1] ADJUSTMENT
1. MECHANISM SECTION
•
Driving Force Check
•
Torque Check
•
Tape Speed
2. TUNER SECTION
fL: Low-range frequency
fH: High-range frequency
•
AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
•
Check FM VT
Signal generator: 1 kHz, 40 kHz dev., FM modulated
•
FM Mute Level
Signal generator: 1 kHz, 40 kHz dev., FM modulated
•
FM Detection
Signal generator: 10.7 MHz FM sweep generator
•
FM RF
Signal generator: 1 kHz, 75 kHz dev., FM modulated
3. CD SECTION
•
Adjustment
Since this CD system incorporates the following automatic adjust-
ment functions, readjustment is not needed when replacing the
pickup. Therefore, different PWBs and pickups can be combined
freely.
Each time a disc is changed, these adjustments are performed
automatically. Therefore, playback of each disc can be performed
under optimum conditions.
Torque Meter
Specified Value
Play: TW-2111
Over 80 g
Torque Meter
Specified Value
Play: TW-2111
30 to 80 g.cm
Fast forward: TW-2231
70 to 180 g.cm
Rewind: TW-2231
70 to 180 g.cm
Test Tape
Adjusting
Point
Specified
Value
Instrument
Connection
MTT-111
Variable
Resistor in
motor.
3,000 ± 30 Hz
Speaker Ter-
minal (Load
resistance: 6
ohms)
Figure 1
Test Stage
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
IF
450 kHz
1,602 kHz
L305
*1
AM Band
Coverage
—
522 kHz
(fL): L306
1.1 ± 0.1 V
*2
AM Tracking
990 kHz
990 kHz
L302
*3
*1. Input: IC301 1Pin Output: IC301 23Pin
*2. Input: Input is not connected
Output: TP-VT(IC301 28Pin)
*3. Input: Antenna
Output:IC301 23Pin
Frequency
Display
Check
Point
Instrument
Connection
87.5 MHz
87.5 MHz
1.5V ± 1.0V
TP-VT
108 MHz
108 MHz
5.0V ± 1.0V
TP-VT
TAPE MECHANISM
VARIABLE RESISTOR
IN MOTOR
Frequency
Display
Adjusting
Parts
Instrument
Connection
98.00 MHz
(30 dB
µ
V)
98.00 MHz
Input: Antenna
Output: Speaker Terminal
Test
Stage
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
FM IF
10.7 MHz
98.00 MHz
Input: Pin 36 of
IC301
Output: Pin 23
of IC301
Test
Stage
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
FM Band
Coverage
—
87.50 MHz
(fL): L307
1.5 ± 0.1 V
*1
FM RF
98.00 MHz
(10 ~ 20dB)
98.00 MHz
L304
*1
*1. Input: Antenna Output: 23 Pin of IC301
Figure 2 ADJUSTMENT POINTS
CNP301
L306
IC301
L304
FM RF
L302
L307
L305
MAIN PWB-A1
AM IF
AM ANT.
FM OSC.
FM BAND
COVERAGE fL
AM BAND
COVERAGE fL
TP-VT=28Pin
AM
Tracking
Содержание XL-S10
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