1-3-2
DVD_SFNP
Chassis or Secondary Conductor
d
d'
Primary Circuit Terminals
AC Voltmeter
(High Impedance)
Exposed Accessible Part
B
One side of
Power Cord Plug Prongs
Z
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 posi-
tions. 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 sol-
dered terminals, and between terminals and surround-
ing 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 termi-
nals, 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.
AC Line Voltage
Clearance Distance (d) (d’)
230 V
≥
3 mm(d)
≥
6 mm(d’)
Fig. 1
Fig. 2
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
Load Z
Leakage Current (i)
One side of power cord plug
prongs (B) to:
230 V
2k
Ω
RES.
Connected in
parallel
i
≤
0.7mA AC Peak
i
≤
2mA DC
RF or
Antenna terminals
50k
Ω
RES.
Connected in
parallel
i
≤
0.7mA AC Peak
i
≤
2mA DC
A/V Input, Output
Summary of Contents for VCR-D 4501
Page 30: ...Main 1 9 Schematic Diagram VCR Section 1 10 3 1 10 4 H9504SCM1 ...
Page 32: ...1 10 7 1 10 8 H9504SCM3 Main 3 9 Schematic Diagram VCR Section ...
Page 33: ...Main 4 9 Schematic Diagram VCR Section 1 10 9 1 10 10 H9504SCM4 ...
Page 34: ...Main 5 9 Schematic Diagram VCR Section 1 10 11 1 10 12 H9504SCM5 ...
Page 35: ...Main 6 9 Schematic Diagram VCR Section 1 10 13 1 10 14 H9504SCM6 ...
Page 36: ...Main 7 9 Schematic Diagram VCR Section 1 10 15 1 10 16 H9504SCM7 ...
Page 37: ...Main 8 9 DVD Open Close Schematic Diagram VCR Section 1 10 17 1 10 18 H9504SCM8 ...
Page 38: ...1 10 19 1 10 20 Main 9 9 Schematic Diagram VCR Section H9504SCM9 ...
Page 40: ...1 10 23 1 10 24 Jack Schematic Diagram VCR Section H9504SCJ ...
Page 41: ...1 10 25 1 10 26 Function Schematic Diagram VCR Section H9504SCF ...
Page 42: ...1 10 27 1 10 28 AFV Schematic Diagram VCR Section H9504SCAFV ...
Page 44: ...1 10 31 Main CBA Bottom View BH9510F01014A 1 10 32 ...
Page 48: ...DVD Main 1 3 Schematic Diagram DVD Section H9504SCD1 1 10 39 1 10 40 ...
Page 49: ...1 10 41 1 10 42 DVD Main 2 3 Schematic Diagram DVD Section H9504SCD2 ...
Page 51: ...DVD Main 3 3 Schematic Diagram DVD Section 1 10 45 1 10 46 H9504SCD3 ...
Page 98: ...VCR D 4501 H9504ED 2004 04 01 ...
