CD-K477W
– 14 –
MECHANISM SECTION
•
Driving Force Check
Torque Meter
Specified Value
Play: TW-2412
Tape 1: Over 80 g
Tape 2: Over 80 g
•
Torque Check
Torque Meter
Tape 2
Play: TW-2111
30 to 60 g. cm
30 to 100 g.cm
Fast forward: TW-2231
—
50 to 100 g.cm
Rewind: TW-2231
—
50 to 100 g.cm
Specified
Value
Adjusting
Point
Instrument
Connection
Test Tape
Normal
MTT-111
VRM01
3,000 ±
Speaker
speed
30 Hz
terminal
(Load
resistance:
8 ohms)
ADJUSTMENT
Specified Value
Tape 1
•
Tape Speed
Figure 14-1
VRM01
TAPE
SPEED
FAS
SW
SWM1
TAPE MECHANISM PWB
IF
450 kHz
1,602 kHz
T351
*1
MW Band
—
531 kHz
(fL): T306
*2
Coverage
1.1 ± 0.1 V
SW1 Band
—
3.2 MHz
(fL): T307
*2
Coverage
2.0 ± 0.1V
SW1 Band
—
7.3 MHz
(fH): TC305
*2
Coverage
7.7 ± 0.2 V
SW2 Band
—
9.5 MHz
(fL): T308
*2
Coverage
2.1 ± 0.1V
SW2 Band
—
21.85 MHz
(fH): TC304
*2
Coverage
7.7 ± 0.2V
MW
990 kHz
990 kHz
T302
*1
Tracking
SW1
3.9 MHz
3.9 MHz
(fL): T303
*1
Tracking
SW1
7.1 MHz
7.1 MHz
(fH): TC303
*1
Tracking
SW2
11.65 MHz
11.65 MHz
(fL): T304
*1
Tracking
SW2
21.45 MHz
21.45 MHz
(fH): TC302
*1
Tracking
TUNER SECTION
fL: Low-range frequency
fH: High-renge frequency
• AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
Test Stage
Instrument
Connection
Frequency
Frequency
Display
Setting/
Adjusting
Parts
*1. Input: Antenna,
Output: TP302
*2. Input: Anetnna,
Output: TP301