CD-RW5000
– 20 –
MECHANISM SECTION
• Driving Force Check
Torque Meter
Specified Value
Play: TW-2412
Over 80 g
• Torque Check
Torque Meter
Play: TW-2111
30 to 60 g. cm
Fast forward: TW-2231
60 to 120 g.cm
Rewind: TW-2231
60 to 120 g.cm
Specified
Value
Adjusting
Point
Instrument
Connection
Test Tape
ADJUSTMENT
Specified Value
• Tape Speed
TUNER SECTION
Figure 20-2 ADJUSTMENT POINTS
MTT-111
Variable resistor
3,000
±
90 Hz
Speaker
in motor
terminal
*1. Input: Antenna
Output: Speaker Terminal
*2. Input: Antenna
Output: TP301
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
AM IF
450 kHz
1,720 kHz
T351
*1
AM Band
—
530 kHz
(fL): T306
*2
Coverage
1.1
±
0.1 V
AM
990 kHz
990 kHz
T302
*1
Tracking
fL: Low-range frequency
fH: High-range frequency
Signal generator: 400 Hz, 30%, AM modulated
• AM IF/RF
• FM RF
Signal generator: 1 kHz, 75 kHz dev., FM modulated
FM Band
—
87.50 MHz
(fL): T311
*1
Coverage
1.3
±
50mV
FM RF
98.00 MHz
98.0 MHz
L312
*2
(10~30 dB)
Test Stage
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
*1. Input: Antenna
Output: TP301
*2. Input: Antenna
Output: Speaker Terminal
Figure 20-1 ADJUSTMENT POINT
Type
1.
33 Pin extension
QCNWN6931AFZZ
flat cable, 500mm
Part No.
Extension cable
Figure 20-3
IC303
IC302
BI960
IC301
1
1
12
13
24
1
9
AM
FM
GND
CF352
T306
T302
T311
L312
BF301
MAIN PWB
FM Mute
Level
AM IF
TP301
SO301
ANTENNA
TERMINAL
AM
Tracking
AM Band
Coverage fL
FM Band
Coverage fL
FM RF
FM IF
VR351
T351
T312
R345
SO301
CNP1
CD PWB-C
33
33
1
1
33
1
CNP901
33
1
33Pin extension flat cable
QCNWN6931AFZZ
MAIN PWB-A
Adjusting
Parts
Display
Frequency
• FM Mute Level (FM ST MODE)
Signal generator: 1 kHz, 40 kHz dev., FM modulated
*1. Adjust so that an output signal appears.
98.00 MHz
98.00 MHz
VR351*1
Input:SO301
(26 dB
µ
V)
Output: Speaker
Terminal
Instrument
Connection
TAPE MECHANISM
Variable
Resistor
in motor
Tape motor
Содержание CD-RW5000
Страница 78: ...CD RW5000 15 M E M O ...
Страница 79: ...CD RW5000 16 M E M O ...