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CD-ES900/CD-ES99
2 – 1
CD-ES900/CD-ES99
CD-ES900/CD-ES99
Service Manual
CD-ES900/CD-ES99
Market
E
CHAPTER 2.
ADJUSTMENTS
[1] Mechanism section
• Driving Force Check
• Torque Check
• Tape Speed
[2] Tuner section
fL: Low-range frequency
fH: High-range frequency
• AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
• FM RF
Signal generator: 1 kHz, 40 kHz dev., FM modulated
• FM IF
Signal generator: 10.7 MHz, FM modulated
Torque Meter
Specified Value
Play: TW-2111
Tape 1: Over 80 g
Tape 2: Over 80 g
Torque Meter
Specified Value
Tape 1
Tape 2
Play: TW-2111
30 to 80 g.cm
30 to 80 g.cm
Fast forward: TW-2231 —
70 to 180 g.cm
—
70 to 180 g.cm
Test Tape
Adjusting
Point
Specified
Value
Instrument
Connection
Normal
speed
MTT-111
Variable
Resistor in
motor.
3,000
±
30 Hz
Speaker
Speaker Ter-
minal (Load
resistance: 6
ohms)
Figure 1
TAPE MECHANISM
Tape
Motor
Variable Resistor in motor
Test Stage
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
AM IF
450 kHz
1,720 kHz
T351
*1
AM Band
Coverage
—
530 kHz
(fL): T306
1.1
±
0.1 V
*2
AM
Tracking
990 kHz
990 kHz
(fL): T303
*1
*1. Input: Antenna
Output: TP302
*2. Input: Antenna
Output: TP301
Test
Stage
Frequency Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
FM Band
Coverage
—
87.50 MHz
T301 (fL):
1.3 V
±
0.1 V
*1
FM RF
98.00 MHz
(10-30 dB)
98.00 MHz
L312
*2
*1. Input: Antenna Output: TP301
*2. Input: Antenna Output: Speaker terminal
Test
Stage
Frequency Frequency
Display
Setting/
Adjusting
Point
Instrument
Connection
IF
10.7 MHz
98 MHz
T302
(Turn the core of
transformer T302
fully counter-
clockwise)
*1
Figure 2 ADJUSTMENT POINTS
AM IF
FM RF
TP301
TP302
FM IF
T301
T302
R356
R381
T303
T306
IC301
L312
T351
CNP301
AM LOOP
ANTENNA
SO302
FM ANTENNA
TERMINAL
FM BAND
COVERAGE fL
AM BAND
COVERAGE fL
AM TRACKING
fL
MAIN PWB
1
Summary of Contents for CD-ES900
Page 10: ...CD ES900 CD ES99 2 5 APPLY GREASE PULL THE LEVER UNITIL REACH THE ARROW MARK 143 112 3 ...
Page 14: ...CD ES900 CD ES99 2 9 CHANGE COLOR TO BLACK 150 151 148 7 ...
Page 17: ...CD ES900 CD ES99 2 12 10 148 147 146 145 ...
Page 18: ...CD ES900 CD ES99 2 13 APPLY GREASE WHEN FIXING ITEM 2 MUST FOLLOW AS SHOWN 121 144 130 11 ...
Page 19: ...CD ES900 CD ES99 2 14 FIGURE 1 FIGURE 3 FIGURE 2 APPLY GREASE SC141 APPLY GREASE 117 12 ...
Page 27: ...CD ES900 CD ES99 2 22 BIG SLOT FACING OUT 110 20 ...
Page 31: ...CD ES900 CD ES99 2 26 804 24 ...
Page 39: ...CD ES900 CD ES99 2 34 NO GAP HAVE GAP O K N G 32 ...
Page 46: ...CD ES900 CD ES99 3 7 M E M O ...
Page 84: ...CD ES900 CD ES99 8 11 M E M O ...