Magnavox 19MDTR20 - Dvd-video Player, Service Manual

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1-11-1 T1102SC
(Top View) (Bottom View)
(Bottom View)
Electrolytic Capacitor
+
Transistor or Digital Transistor
NPN Transistor PNP Transistor
NPN Digital Transistor
PNP Digital
Transistor
(Top View)
(Top View)
E C B
E C B
Digital Transistor
< PCB Symbols >
< Schematic Diagram Symbols >
E C B
(Top View)
(Top View)
E C B
E C B
SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS
Standard Notes
WARNING
Critical components having special safety
characteristics are identified with a
#
by the Ref. No.
in the parts list and enclosed within a broken line*
(where several critical components are grouped in one
area) along with the safety symbol
#
on the
schematics or exploded views.
Use of substitute replacement parts which do not have
the same specified safety characteristics may create
shock, fire or other hazards.
Under no circumstances should the original design be
modified or altered without written permission from
Philips Consumer Electronics Company. Philips
assumes no liability, express or implied, arising out of
any unauthorized modification of design. Servicer
assumes all liability.
* Broken Line :
Capacitor Temperature Markings
Capacitors and transistors are represented by the
following symbols.
Notes:
1. Do not use the part number shown on these
drawings for ordering. The correct part number is
shown in the parts list, and may be slightly
different or amended since these drawings were
prepared.
2. To maintain original function and reliability of
repaired units, use only original replacement parts
which are listed with their part numbers in the
parts list section of the service manual.
3. How to read converged lines.
Examples:
(1). "1-D3" means that line number "1" goes to the
line number "1" of the area "D3".
(2). "1-B1" means that line number "1" goes to the
line number"1" of the area "B1".
4. All resistance values are indicated in ohms
(K = 10
3
, M = 10
6
).
5. Resistor wattages are 1/6W unless otherwise
specified.
6. All capacitance values are indicated in
µ
F
(P = 10
-6 µ
F).
7. All voltages are DC voltages unless otherwise
specified.
8. Voltage indications for PLAY and REC modes on
the schematics are as shown below.
Mark
Capacity
change rate
Standard
temperature
Temperature
range
(B)
±
10% 20°C -25~+85°C
(F)
±
30 - 80% 20°C –25~+85°C
(SR)
±
15% 20°C –25~+85°C
(Y)
±
22.5% 20°C –25~+85°C
3
2
1
A B C D
1-B1
1-D3
AREA D3
AREA B1
1-D3
Distinction Area
Line Number
(1 to 3 digits)
2 3 1
5.0
(2.5)
PLAY mode
STOP mode
5.0
The same voltage for
both PLAY & STOP modes
Indicates that the voltage
is not consistent here.
< DVD Section >
2 3 1
5.0
(2.5)
< >
5.0
Indicates that the voltage
is not consistent here.
<
TV/VCR Section >
Unit: Volts
PLAY mode
REC mode
DVD mode
The same voltage for
PLAY, REC & DVD
modes