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CD-K477W
MECHANISM SECTION
• Driving Force Check
Torque Meter
Play: TW-2412
• Torque Check
Torque Meter
Play: TW-2111
30 to 60 g. cm
Fast forward: TW-2231
—
Rewind: TW-2231
—
• Tape Speed
Test Tape
Adjusting
Point
Normal
MTT-111
VRM01
speed
TAPE MECHANISM PWB
VRM01
FAS
SW
Figure 14-1
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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 100 g.cm
50 to 100 g.cm
50 to 100 g.cm
Specified
Instrument
Value
Connection
3,000 ±
Speaker
30 Hz
terminal
(Load
resistance:
8 ohms)
SWM1
TAPE
SPEED
TUNER SECTION
fL: Low-range frequency
fH: High-renge frequency
• AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
Frequency Frequency
Test Stage
IF
450 kHz
MW Band
—
Coverage
SW1 Band —
Coverage
SW1 Band —
Coverage
SW2 Band —
Coverage
SW2 Band —
Coverage
MW
990 kHz
Tracking
SW1
3.9 MHz
Tracking
SW1
7.1 MHz
Tracking
SW2
11.65 MHz
Tracking
SW2
21.45 MHz
Tracking
*1. Input: Antenna, Output: TP302
*2. Input: Anetnna, Output: TP301
– 14 –
Setting/
Instrument
Adjusting
Display
Connection
Parts
1,602 kHz
T351
*1
531 kHz
(fL): T306
*2
1.1 ± 0.1 V
3.2 MHz
(fL): T307
*2
2.0 ± 0.1V
7.3 MHz
(fH): TC305
*2
7.7 ± 0.2 V
9.5 MHz
(fL): T308
*2
2.1 ± 0.1V
21.85 MHz
(fH): TC304
*2
7.7 ± 0.2V
990 kHz
T302
*1
3.9 MHz
(fL): T303
*1
7.1 MHz
(fH): TC303
*1
11.65 MHz
(fL): T304
*1
21.45 MHz
(fH): TC302
*1
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