Read Sharp LC-37P50E (serv.man16) Service Manual online
DESCRIPTION OF SCHEMATIC DIAGRAM
VOLTAGE MEASUREMENT CONDITION:
INDICATION OF RESISTOR & CAPACITOR:
The voltages at test points are measured on the
stable supply voltage of AC 220-240V. Signals are
fed by a colour bar signal generator for servicing
purpose and the above voltages are measured
with a 20k ohm/V tester.
stable supply voltage of AC 220-240V. Signals are
fed by a colour bar signal generator for servicing
purpose and the above voltages are measured
with a 20k ohm/V tester.
1.
RESISTOR
1. The unit of resistance "
1. The unit of resistance "
Ω" is omitted.
(K=k
Ω=1000 Ω, M=MΩ).
2. All resistors are ± 5%, unless otherwise noted.
(K= ± 10%, F= ± 1%, D= ± 0.5%)
1. All capacitors are
µF, unless otherwise noted.
(P=pF=
µµF).
2. All capacitors are 50V, unless otherwise noted.
3. All resistors are 1/16W, unless otherwise noted.
CAPACITOR
This circuit diagram is original one, therefore there may be a
slight difference from yours.
slight difference from yours.
CAUTION:
SAFETY NOTES:
DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
OUTLET BEFORE REPLACING PARTS.
1.
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.
2.
IMPORTANT SAFETY NOTICE:
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 PERFORMANCE OF THE SET.
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.
D1
D2
SCHEMATIC DIAGRAM
Models
LC-26P50E
LC-32P50E
LC-37P50E
LC-32P50E
LC-37P50E
CONTENTS
Page
DESCRIPTION OF SCHEMATIC DIAGRAM …………………………………………………… D2
AV Unit ……………………………………………………………………………………… D3
∼ D10
KEY Unit ……………………………………………………………………………………D11
∼ D12
MAIN Unit ……………………………………………………………………………………D13
∼ D32
POWER Unit …………………………………………………………………………………D33
∼ D34
INVERTER Unit (LC-26P50E) ……………………………………………………………D35
∼ D36
INVERTER Unit (LC-32P50E) ……………………………………………………………D37
∼ D38
INVERTER Unit (LC-37P50E) ……………………………………………………………D39
∼ D40
R/C, LED Unit ……………………………………………………………………………………… D41
Display
