VC-M303 (serv.man12). Diagrams - Sharp VCR Service Manual (repair manual). Page 4

A

B

C

D

E

F

G

H

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3

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IMPORTANT SAFETY NOTICE:
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

1.

The unit of resistance "ohm" is omitted (K: 1000
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.

VOLTAGE MEASUREMENT CONDITIONS:
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.

2.

Voltages are meausred with 10000

µ

VB & W or colour noted.

WAVEFORM MEASUREMENT CONDITIONS:
10000

µ

V 87.5 percent modulated colour bar signal id fed into tuner.

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 OPERATING.

CAUTION:
This circuit diagram is original one.  Therefore there may be a slight
difference from yours