Sharp CD-CH1000 User Manual

CD-CH1000
– 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 3,000 ±90 Hz Speaker
resistor in terminal
motor.
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:CNP303
(26 dBµV) Output: Speaker
Terminal
Instrument
Connection
*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
TAPE MECHANISM
Variable
Resistor
in motor
Tape motor
IC303
IC302
BI960
IC301
15
1
1
12
13
24
1
9
3
2
1
AM
FM
GND
CF352
T306
T302
T311
L312
BF301
MAIN PWB
FM Mute
Level
AM IF
TP301
CNP303
FM/AM
ANTENNA
SOCKET
AM
Tracking
AM Band
Coverage fL
FM Band
Coverage fL
FM RF
FM IF
VR351
T351
T312
R345
CNP303

Sharp CD-CH1000 Specifications

General

Brand	Sharp
Model	CD-CH1000
Category	Stereo System
Language	English