DOWNLOAD Sharp SD-EX100H (serv.man7) Service Manual ↓ Size: 19.73 KB | Pages: 2 in PDF or view online for FREE

Model
SD-EX100H (serv.man7)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
19.73 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Adjustment
File
sd-ex100h-sm7.pdf
Date
PREV: Sharp SD-EX100H (serv.man6) Service Manual

Sharp SD-EX100H (serv.man7) Service Manual ▷ View online

SD-EX100H
– 14 –
TUNER SECTION
Item
Point to be adjusted
Setting value
IF
Set the display of T51
Maximize the IF
to 1,620kHz.
waveform (450kHz).
Frequency
fL: T21 (530kHz)
fL : 1.3V 
±
 
0.1
coverage (voltage Set the display to 530kHz. fH : 8.5V 
±
 
1.3V
 of TP301VT line) fH: (1,620kHz)
(Just check fH.)
Tracking
fL : T20 (990kHz)
Maximize the output of
the headphone terminal.
fL: Low-range frequency
fC: Middle-range frequency
fH: High-range frequency
• Adjusting and checking AM IF/RF
ADJUSTMENT
Figure 14-1AM IF/FREQUENCY COVER
Electric
Voltmeter
GND
AM Loop Antenna
AM signal oscillator
Loop Antenna
UNIT
IF : Headphones
Frequency Cover : TP301
Frequency
Display
Adjusting
Parts
Instrument
Connection
90 MHz
90 MHz
VR31
Input: SO101
 (28 dB)
Output: Headphones
(EMF.)
   Terminal
• FM Mute Level
Signal generator: 400 Hz, 22.5 kHz, FM modulated
Electric
Voltmeter
GND
FM Signal Oscillator
UNIT
Headphones
Terminal
SO101
Figure 14-2 FM MUTE LEVEL
Figure 14-3 ADJUSTMENT POINT
AM IF
FM MUTE
LEVEL
AM
TRACKING fL
SO101
ANTENNA
TERMINAL
AM BAND
COVERAGE
VR31
T51
T20
T21
FE10
FM
GND
GND
AM
TUNER PWB
TP301
– 15 –
SD-EX100H
TEST MODE
Preset
Memory
Frequency
FM
Preset
Memory
Frequency
AM
M1
87.5 MHz
M6
522 kHz
M2
108.0 MHz
M7
1,620 kHz
M3
90.0 MHz
M8
603 kHz
M4
106.0 MHz
M9
1,404 kHz
M5
98.0 MHz
M10
990 kHz
Table 1 Memory setting
Figure 15-1 OUTPUT OFFSET LEVEL
CD SECTION
To clear registered stations
Canceling the test mode will clear all the preset data.
Adjustment for 1 bit amplifier output offset
voltage
Adjust VRA100 and VRA101 so that the voltage between the
positive and negative terminals of the speaker output terminal
(JK400) is within 0
±
5mV at AC 230V.
Electric
Voltmeter
JK400
AC 230V
UNIT
Output
Speaker
Terminal
+
–
VR : 0
Input:AUX
Figure 15-2 ADJUSTMENT POINT
L-CH OUTPUT
OFFSET
R-CH OUTPUT
OFFSET
VRA100
VRA101
1-BIT AMP. PWB
Display

Sharp SD-EX100H (serv.man7) Service Manual ▷ Download

  • DOWNLOAD Sharp SD-EX100H (serv.man7) Service Manual ↓ Size: 19.73 KB | Pages: 2 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp SD-EX100H (serv.man7) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp SD-EX100H (serv.man7) System. Information contained in Sharp SD-EX100H (serv.man7) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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