Read Sharp 37GT-27H (serv.man10) Service Manual online
24
37GT-27H
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
à
FACTORY PRESETS
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
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).
4. The capacitor with Part No. RC-FZ9XXXBMNJ is
designed to with stand 63V.
5. The capacitor with Part No. RC-FZ4XXXBMNJ is
designed to with stand 50V.
designed to with stand 63V.
5. The capacitor with Part No. RC-FZ4XXXBMNJ is
designed to with stand 50V.
NOTE:
SERVICE PRECAUTION:
DESCRIPTION OF SCHEMATIC DIAGRAMS
SAFETY NOTE:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
IMPOTANT 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 PERFORMAN-
CE OF THE SET.
OF THE SET. BE SURE TO REPLACE THESE
PARTS WITH SPECIFIED ONES FOR
MAINTAINING THE SAFETY AND PERFORMAN-
CE OF THE SET.
CAUTION
This circuit diagram is original one,
therefore there may be slight difference
from yours.
This circuit diagram is original one,
therefore there may be slight difference
from yours.
THE AREA ENCLOSED BY THIS LINE ( )
IS DIRECTLY CONNECTED WITH AC MAINS
VOLTAGE.
WHEN SERVICING THE AREA, CONNECT AN
ISOLATING TRANSFORMER BETWEEN TV
RECEIVER AND AC LINE TO ELIMINATE
HAZARD OF ELECTRIC SHOCK.
IS DIRECTLY CONNECTED WITH AC MAINS
VOLTAGE.
WHEN SERVICING THE AREA, CONNECT AN
ISOLATING TRANSFORMER BETWEEN TV
RECEIVER AND AC LINE TO ELIMINATE
HAZARD OF ELECTRIC SHOCK.
Vp PRIMARY
Vp SECUNDARY
1
2
3
Waveform:
H-CONTROL
25
37GT-27H
Vc HORIZONTAL
SANDCASTLE
VERTICAL INPUT
VERTICAL
VERTICAL OUTPUT
REMOTE CONTROL
OUT SPEAKER
IF VIDEO OUT
RED OUT
GREEN OUT
VIDEO INPUT TXT uC
13
14
15
4
5
6
7
8
9
10
11
12
BLUE OUT
Display
