Sharp SX80J9, Руководство по обслуживанию

Страница: 23 / 68

23
17 16 19 18 15 14 13 12 11 10
SX80J9
DESCRIPTION OF SCHEMATIC DIAGRAM
SAFETY NOTES:
1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE
REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS
POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPER-
ATING.
IMPORTANT SAFETY NOTICE:
PARTS MARKED WITH "
å
" ( ) ARE IMPORTANT FOR
MAINTAINING THE SAFETY OF THE SET. BE SURE TO REPLACE
THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE
SAFETY AND PERFORMANCE OF THE SET.
SERVICE PRECAUTION:
THE AREA ENCLOSED BY THIS LINE ( ) IS DIRECTLY
CONNECTED WITH AC MAINS VOLTAGE.
WHEN SERVICING THE AREA, CONNECT AN ISOLATING TRANS-
FORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE
HAZARD OF ELECTRIC SHOCK.
NOTES:
1. The unit of resistance "ohm" is omitted.
(K = 1000 ohms, M = Meg ohm).
2. All resistors are 1/8 watt, unless otherwise noted.
3. All capacitors are
µ
F, unless otherwise noted. (P =
µµ
F).
4. The diodes, whose parts code is not described, are the 1SS119.
VOLTAGE MEASUREMENT CONDITIONS:
1. The voltage without parenthesis represents the value measured
with PAL colour signal.
2. The voltage in parenthesis represents the value measured with
no signal.
3. All the voltages were measured by using a high impedance
voltmeter.
WAVEFORM MEASUREMENT CONDITIONS:
1. The colour bar signal applied to the TP202 is 2.0 Vp-p.
2. The tuner AGC voltage is approximately 4V.
6 5 4 3 2 1
A
B
C
D
E
RRMCG1431CESA
■
Infrared Remote Control Unit
NOTE: The parts here shown are supplied as an assembly but not independently.
CAUTION: This circuit diagram is original one, therefore there may be a slight difference from yours.