Sharp CD-ES600V Manual de servicio - Página 7
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E
CD-ES600V
CHAPTER 2.
Market
CD-ES600V
Service Manual
Audio
ADJUSTMENTS
[1] Mechanism section
•
Driving Force Check
Torque Meter
Play: TW-2111
•
Torque Check
Torque Meter
Play: TW-2111
30 to 80 g.cm
Fast forward: TW-2231 —
—
•
Tape Speed
Test Tape
Adjust-
ing Point
Normal
MTT-111
Variable
speed
Resistor in
motor.
TAPE MECHANISM
Tape
Motor
Figure 1
[2] Tuner section
fL: Low-range frequency
fH: High-range frequency
•
AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
Test Stage
Frequency
Frequency
Display
AM IF
450 kHz
1,602 kHz
AM Band
—
531 kHz
Coverage
AM
990 kHz
990 kHz
Tracking
*1. Input: Antenna
Output: TP302
*2. Input: Antenna
Output: TP301
Specified Value
Tape 1: Over 80 g
Tape 2: Over 80 g
Specified Value
Tape 1
Tape 2
30 to 80 g.cm
70 to 180 g.cm
70 to 180 g.cm
Specified
Instrument
Value
Connection
3,000 ± 30 Hz
Speaker Ter-
Speaker
minal (Load
resistance: 6
ohms)
Variable Resistor in motor
Setting/
Instrument
Adjusting
Connection
Parts
T351
*1
(fL): T306
*2
1.1 ± 0.1 V
(fL): T303
*1
•
FM RF
Signal generator: 1 kHz, 40 kHz dev., FM modulated
Test
Frequency
Stage
FM Band
—
Coverage
FM RF
98.00 MHz
(10-30 dB)
*1. Input: Antenna Output: TP301
*2. Input: Antenna Output: Speaker terminal
•
FM IF
Signal generator: 10.7 MHz, FM modulated
Test
Frequency
Frequency
Stage
IF
10.7 MHz
98 MHz
MAIN PWB
1
T303
AM TRACKING
fL
Figure 2 Adjustment Points
2 – 1
CD-ES600V
Frequency
Setting/
Display
Adjusting
Point
87.50 MHz
T301 (fL):
1.3 V ± 0.1 V
98.00 MHz
L312
Setting/Adjust-
Display
ing Point
Connection
T302 (Turn the
*1
core of trans-
former T302
fully counter
clockwise)
FM BAND
COVERAGE fL
R381
TP301
T301
T351
AM IF
T302
FM IF
FM RF
L312
R356
T306
TP302
AM BAND
COVERAGE fL
Instrument
Connection
*1
*2
Instrument