2-8
Alignment and Adjustments
Samsung Electronics
2-2-3(b) RF SUM Level Adjustment Method
1) Connect an Oscilloscope to the “RF EQC ” Test Point. (See Fig. 2-5)
2) Play a Normal DVD disc and set the Oscilloscope Range as follows :
(Voltage ; 50mV/Div., Frequency ; 10m Sec.)
3) Adjust the RF SUM Level by turning the Semi-Variable Resistor (VR1) on the DVD Main PCB (See Fig. 2-8).
4) Adjust according the to table on the previous pages :
◆
1.7V
±
0.2V
⌘
Warning : Do not turn the Voltage up too high, as this may damage the Laser Diode permanently.
Fig. 2-9 RF SUM Level Wavefrom
Содержание CHT-350
Страница 48: ...4 14 Samsung Electronics Electrical Parts List MEMO ...
Страница 50: ...Block Diagram 5 2 Samsung Electronics MEMO ...
Страница 53: ...Schematic Diagrams Samsung Electronics 6 3 6 1 S M P S 1 ...
Страница 54: ...Schematic Diagrams 6 4 Samsung Electronics 6 2 S M P S 2 ...
Страница 55: ...Schematic Diagrams Samsung Electronics 6 5 6 3 Function Timer ...
Страница 56: ...Schematic Diagrams 6 6 Samsung Electronics 6 4 Volume ...
Страница 57: ...Schematic Diagrams Samsung Electronics 6 7 6 5 Power Drive ...
Страница 58: ...Schematic Diagrams 6 8 Samsung Electronics 6 6 Logic ...
Страница 61: ...Schematic Diagrams Samsung Electronics 6 11 6 9 MTS ...
Страница 62: ...Schematic Diagrams 6 12 Samsung Electronics 6 10 TM ...
Страница 63: ...Schematic Diagrams Samsung Electronics 6 13 AM FM 6 11 AM FM Receiver ...
Страница 65: ...Schematic Diagrams Samsung Electronics 6 15 Repair Zoran Program Board 6 13 DVD Micom ...
Страница 66: ...Schematic Diagrams 6 16 Samsung Electronics 6 14 DVD AV Decoder ...
Страница 67: ...Schematic Diagrams Samsung Electronics 6 17 6 15 DVD Servo ...
Страница 68: ...Schematic Diagrams 6 18 Samsung Electronics 6 16 DVD Audio Video Interface ...
Страница 69: ...Schematic Diagrams Samsung Electronics 6 19 6 17 Digital Amp ...
Страница 70: ...Schematic Diagrams 6 20 Samsung Electronics MEMO ...
