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SAMSUNG HTDB120
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SAMSUNG HTDB120 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Table of Contents
    1. Alignment and Adjustments
    2. Exploded Views and Parts List
    3. Electrical Parts List
    4. Block Diagrams
    5. PCB Diagrams
    6. Wiring Diagram
    7. Schematic Diagrams
    8. IC Block Diagrams
    9. Troubleshooting
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Text excerpt from page 2 (click to view)
1. Alignment and Adjustments
1. Tuner

FM THD Adjustment SSG FREQ. Adjustment point (FM DET) Output 98 MHz FM DETECTOR COIL 60 dB

Output GND FM S.S.G

FM Antenna SET Terminal Input Speaker Terminal output

Oscilloscope

Input

Distortion Meter

Minumum Distortion (0.4% below) (Figure 1-1)

Figure1-1 IF CENTER and THD Adjustment

FM Search Level Adjustment SSG FREQ. Adjustment point (SVR1) Output 98 MHz BEACON SENSITIVITY SEMI-VR(20Kâ¦) 28 dB(±2dB)
28 dB FM Antenna SET FM S.S.G GND FM IN 10 kâ¦

* Adjustment Location of Tuner PCB
ITEAM
Received FREQ. Adjustment point

Adjust SVR1 so that âTUNEDâ of FLT is lighted (Figure 1-2) LW OSC Adjustment 146~290 KHz LO 2~7.0±0.5V LW RF Adjustment 150 KHz LA
Maximum Output(Fig1-4)

AM(MW) OSC Adjustment 522~1611 KHz MO 1~7.0±0.5V

AM(MW) RF Adjustment 594 KHz MA
Maximum Output(Fig1-4)

*Adjust FM S.S.G level to 28dB Figure1-2 FM Auto Search Level Adjustment

Output

AM(MW) I.F Adjustment SSG FREQ. Frequency Adjustment point 450 kHz 522 kHz AM IF
OUTPUT AM SSG 450KHZ

60cm AM IF AM ANT IN Speaker Terminal

Maximum output (Figure 1-3)

INPUT

OUTPUT

VTVM

Oscilloscope

Figure1-3 AM I.F Adjustment

Fig 1-4 OSC Voltage
Samsung Electronics 1-1

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