CD-C410W/C415W/C420W,CP-C410/C415/SR410
– 10 –
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 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
Tape
MTT-111
Volume in
3,000
±
Speaker
speed
motor.
30 Hz
terminal
(Load
resistance:
8 ohms)
Specified Value
Tape 1
• Tape Speed
ADJUSTMENT
• AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
*1. Input: Antenna,
Output: Speaker Terminal
*2. Input: Input is not connected,
Output: TP301
TUNER SECTION
fL: Low-range frequency
fH: High-renge frequency
IF
450 kHz
990 kHz
T351
*1
Band
—
522 kHz
(fL): T302
*2
Coverage
1.1
±
0.1 V
Tracking
990 kHz
990 kHz
T302
*1
Test Stage
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
• Setting the Test Mode
Keeping the TUNING (DOWN) button and MEMORY button
pressed, turn on POWER. Then, the frequency is initially set
in the memory as shown in Table. Call it with the PRESET
button to use it for adjustment and check of tuner circuit.
1
87.50 MHz
6
522 kHz
2
108.00 MHz
7
1,620 kHz
3
90.00 MHz
8
603 kHz
4
106.00 MHz
9
1,404 kHz
5
98.00 MHz
10
990 kHz
11 ~ 40
Preset No.
FM
Preset No.
AM
Adjusting
Parts
Instrument
Connection
Frequency
Display
Frequency
98.00 MHz
98.00 MHz
VR351 *1
Input: SO301
(25 dB
µ
V)
Output: Speaker
Terminal
• FM Mute Level
Signal generator: 1 kHz, 40 kHz dev. FM modulated.
*1. Adjust so that an output signal appears
TAPE MECHANISM
MM 1
Motor
Volume in motor
Figure 10-1 ADJUSTMENT POINTS
TUNER PWB
AM BAND
COVERAGE fL
T351
T302
FE301
VR351
FM MUTE
LEVEL
AM IF
TP301
IC303
AM TRACKING
fL
S0301
ANTENNA
TERMINAL