and confirm this feature.
5.1.11. VARIABLE VOLTAGE ISOLATION TRANSFORMER
An Isolation Transformer should always be used during the servicing of Combination TV/DVD
whose chassis is not isolated from the AC power line. Use a transformer of adequate power
rating as this protects the technician from accidents resultingin personal injury from electrical
shocks. It will also protect Combination TV/DVD from being damaged by accidental shorting that
may occur during servicing.
Also, when troubleshooting the above type of Power Supply Circuit, a variable isolation
transformer is required in order to increase the input voltage slowly.
5.1.12. SPECIAL NOTE
All integrated circuits and many other semiconductor devices are electrostatically sensitive and
therefore require the special handling techniques described under the "ELECTROSTATICALLY
SENSITIVE (ES) DEVICES" section of this service manual.
5.1.13. MODEL NO. IDENTIFICATION MARK
Use Marks shown in the chart below to distinguish the different models included in this Service
Manual.
6. DISASSEMBLY/ASSEMBLY PROCEDURES
6.1. CABINET SECTION
6.1.1. Disassembly Flowchart
Perform all disassembly procedures in the order described in the "Disassembly Flowchart"
shown below. When reassembling, use the reverse procedure.
CAUTION:
Disconnect AC plug before disassembly.
Fig. D1
17
Содержание PV 20DF63
Страница 1: ...ORDER NO MKE0303602C1 B6 B22 TV DVD Combination PV 20DF63 PV 27DF63 SPECIFICATIONS 1 ...
Страница 15: ...5 1 8 WIRE AND LEAD POSITION DIAGRAM Fig 8 15 ...
Страница 18: ...Fig D2 18 ...
Страница 19: ...Fig D3 19 ...
Страница 20: ...6 1 1 1 Notes in chart 1 Removal of DVD Ass y Fig D4 20 ...
Страница 38: ...7 3 TEST POINTS AND CONTROL LOCATION 38 ...
Страница 41: ...11 2 CHASSIS FRAME SECTION 2 41 ...
Страница 42: ...11 3 CHASSIS FRAME SECTION 3 42 ...
Страница 43: ...11 4 PACKING PARTS AND ACCESSORIES SECTION 43 ...
Страница 54: ...R6012 ERJ6GEYJ561V MGF CHIP 1 10W 560 54 ...
Страница 90: ...13 2 CHASSIS FRAME SECTION 2 90 ...
Страница 91: ...13 3 CHASSIS FRAME SECTION 3 91 ...
Страница 92: ...13 4 PACKING PARTS AND ACCESSORIES SECTION 92 ...
Страница 103: ...R6012 ERJ6GEYJ561V MGF CHIP 1 10W 560 103 ...