Description Of Schematic Diagram; Schematic Diagram - Sharp TU-DTV1000/A Service Manual

DESCRIPTION OF

SCHEMATIC DIAGRAM

H
VOLTAGE MEASUREMENT CONDITION:
1. Voltages at test points are measured at the
supply voltage of AC 120V. Signals are fed by a
color bar signal generator for servicing purpose and
the above voltages are measured with a 20k ohm/V
tester.
G WAVEFORM MEASUREMENT CONDI-
TION:
1. Waveforms at test points are observed at the supply
voltage of AC 120V. Signals are fed by a color bar
signal generator for servicing purpose.
INDICATION OF RESISTOR & CAPACI-
F
TOR:
RESISTOR
1. The unit of resistance "Ω" is omitted.
(K=kΩ=1000 Ω, M=MΩ).
2. All resistors are ± 5%, unless otherwise noted.
(J= ± 5%, F= ± 1%, D= ± 0.5%)
3. All resistors are 1/10W, unless otherwise noted.
E
4. All resistors are Carbon type, unless otherwise
noted.
: Solid
C W
S : Oxide Film T
: Metal Coating
N
CAPACITOR
1. All capacitors are µF, unless otherwise noted.
(P=pF=µµF).
D
2. All capacitors are 50V, unless otherwise noted.
3. All capacitors are Ceramic type, unless otherwise
noted.
(ML): Mylar (TA): Tantalum
(PF): Polypro Film (ST): Styrol
C
CAUTION:
This circuit diagram is original one, therefore there may be a
slight difference from yours.
SAFETY NOTES:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACEING PARTS.
B
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
IMPORTANT SAFETY NOTICE:
PARTS MARKED WITH " å " (
IMPORTANT FOR MAINTAINING THE SAFETY OF
A
THE SET. BE SURE TO REPLACE THESE PARTS
WITH SPECIFIED ONES FOR MAINTAINING THE
SAFETY AND PERFORMANCE OF THE SET.
1 2 3
29
TU-DTV1000/A
: Cement
: Special
) ARE
4 5
TU-DTV1000/A
SCHEMATIC DIAGRAM
Ë OPERATION and R/C·LED UNITS
H
OPERATION
G
F
E
D
R/C·LED
C
B
A
6 7 8
1 2
9 10 11
3 4 5
30
12
6