28JW-73H (serv.man13). Schematic diagrams part 1(p.36-38) — Sharp TV Service Manual (repair manual)

Model
28JW-73H (serv.man13)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
Size
228.57 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR / Schematic diagrams part 1(p.36-38)
File
28jw-73h-sm13.pdf
Date

View Sharp 28JW-73H (serv.man13) Service Manual online

36
28JW-73H
Waveform Measurement Condition:
1. Test Equipment: DIGITAL SLPE LECROY.
2. Test Conditions: CH-12;  COLOUR BARS; 70dB FROM RF INPUT
3. TV  Condition: PICTURE AND AUDIO : SETTINGS ! FACTORY PRESETS
DESCRIPTION OF SCHEMATIC DIAGRAMS
!
Pin1 Vp-p= 2.5V
Pin2 Vp-p= 2.8V
1
2
3
Waveform:
Pin3 Vp-p= 2.4V
NOTE:
1. The unit of resistance « ohm »is omitted (K=1000
ohms. M= Megaohm).
2. All resistors are 1/8 watt. unless otherwise noted.
3. All capacitors are 
µ
F, unless otherwise noted
(P= 
µµ
F).
SERVICE PRECAUTION:
THE AREA ENCLOSED BY THIS LINE (           )   IS
DIRECTLY CONNECTED WITH AC MAINS VOLTAGE.
WHEN SERVICING THE AREA, CONNECT AN ISO-
LATING TRANSFORMER BETWEEN TV RECEIVER
AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC
SHOCK.
CAUTION
This circuit diagram is original one, therefore
there may be slight difference from yours.
SAFETY NOTE:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD
BE REGARDED AS POTENTIAL SHOCK HAZ-
ARDS WHEN THE CHASSIS IS OPERATING.
IMPORTANT SAFETY NOTE:
PARTS MARKED WITH  «
»  (
 
                      
)
ARE IMPORTANT FOR MAINTAINING THE
SAFETY OF THE SET. BE SURE TO REPLACE
THESE PARTS WITH SPECIFIED ONES FOR
MAINTAINING THE SAFETY AND PERFORM-
ANCE OF THE SET.
-:+
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
-:+
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
3LQ9SS 9
Page of 3
Display

Download Sharp 28JW-73H (serv.man13) Service Manual (Repair Manual)

Here you can view online or download Sharp 28JW-73H (serv.man13) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp 28JW-73H (serv.man13) CTR. Information contained in Sharp 28JW-73H (serv.man13) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).