Read Sharp VC-M303 (serv.man12) Service Manual online
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
49
50
303 MAIN (1)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
51
52
303 MAIN(2)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
53
54
303 MAIN (3)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
55
56
IMPORTANT SAFETY NOTICE:
BE SURE TO USE GENUINE PARTS FOR SECURING THE
SAFETY AND RELIABILITY OF THE SET.
BE SURE TO USE GENUINE PARTS FOR SECURING THE
SAFETY AND RELIABILITY OF THE SET.
PARTS MARKED WITH"
" AND PARTS SHADED (IN
GREY) ARE ESPECIALLY IMPORTANT FOR MAINTAINING
THE SAFETY AND PROTECTING ABILITY OF THE SET.
BE SURE TO REPLACE THEM WITH PARTS OF SPECIFIED PART
NUMBER
THE SAFETY AND PROTECTING ABILITY OF THE SET.
BE SURE TO REPLACE THEM WITH PARTS OF SPECIFIED PART
NUMBER
NOTE:
1.
The unit of resistance "ohm" is omitted (K: 1000
ohms M: 1 Meg ohm).
ohms M: 1 Meg ohm).
2.
All resistors are 1/8 watt, unless otherwise noted.
3.
The unit capacitance "F" is omitted (
µ
=
µ
F, p=
µ µ
F).
4.
The values in parentheses are the ones in the PB mode:
the values without parentheses are the ones in the REC mode.
the values without parentheses are the ones in the REC mode.
VOLTAGE MEASUREMENT CONDITIONS:
1.
1.
DC voltages are measured between points indicated and chassis
ground by VTVM, with AC230V/50Hz supplied to unit and all
controls are set to normal viewing picture unless otherwise noted.
ground by VTVM, with AC230V/50Hz supplied to unit and all
controls are set to normal viewing picture unless otherwise noted.
2.
Voltages are meausred with 10000
µ
VB & W or colour noted.
WAVEFORM MEASUREMENT CONDITIONS:
10000
10000
µ
V 87.5 percent modulated colour bar signal id fed into tuner.
SCHEMATIC DIAGRAM
SAFETY NOTES:
1.
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.
CAUTION:
This circuit diagram is original one. Therefore there may be a slight
difference from yours
This circuit diagram is original one. Therefore there may be a slight
difference from yours
