Denon DVD-2500BTCi - Blu-Ray Disc Player Service Manual download pdf (Page 7)

DVD-2500BTCI

Safety Check after Servicing

Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and

wires have been returned to their original positions. Afterwards, do the following tests and confirm the specified

values to verify compliance with safety standards.

1. Clearance Distance

When replacing primary circuit components, confirm

specified clearance distance (d) and (d’) between

soldered terminals, and between terminals and

surrounding metallic parts. (See Fig. 1)

Table 1: Ratings for selected area

Note: This table is unofficial and for reference only. Be

sure to confirm the precise values.

2. Leakage Current Test

Confirm the specified (or lower) leakage current

between B (earth ground, power cord plug prongs) and

externally exposed accessible parts (RF terminals,

antenna terminals, video and audio input and output

terminals, microphone jacks, earphone jacks, etc.) is

lower than or equal to the specified value in the table

below.

Measuring Method (Power ON):

Insert load Z between B (earth ground, power cord plug

prongs) and exposed accessible parts. Use an AC

voltmeter to measure across the terminals of load Z.

See Fig. 2 and the following table.

Table 2: Leakage current ratings for selected areas

Note: This table is unofficial and for reference only. Be sure to confirm the precise values.

AC Line Voltage Clearance Distance (d), (d’)

120 V ≥ 3.2 mm (0.126 inches)

AC Line Voltage Load Z Leakage Current (i) Earth Ground (B) to:

120 V

0.15 μF CAP. & 1.5 kΩ RES.

Connected in parallel

i ≤ 0.5 mA Peak Exposed accessible parts

Chassis or Secondary Conductor

Primary Circuit

Fig. 1

d' d

AC Voltmeter

(High Impedance)

Exposed Accessible Part

Earth Ground

Power Cord Plug Prongs

Fig. 2

1 2 3 4 5 6 7 8 9 10 11 12 ... 59 60

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Denon DVD-2500BTCi - Blu-Ray Disc Player Service Manual Page 7

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