Read Sharp VC-MH834 (serv.man5) Service Manual online
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VC-M314HM
VC-MH834HM
VC-MH834HM
SCHEMATIC DIAGRAM
IMPORTANT SAFETY NOTICE:
BE SURE TO USE GENUINE PARTS FOR SE-
CURING THE SAFETY AND RELIABILITY OF
THE SET.
PARTS MARKED WITH "
BE SURE TO USE GENUINE PARTS FOR SE-
CURING THE SAFETY AND RELIABILITY OF
THE SET.
PARTS MARKED WITH "
å
" AND PARTS
SHADED (IN BLACK) ARE ESPECIALLY IMPOR-
TANT FOR MAINTAINING THE SAFETY AND
PROTECTING ABILITY OF THE SET.
BE SURE TO REPLACE THEM WITH PARTS OF
SPECIFIED PART NUMBER.
TANT FOR MAINTAINING THE SAFETY AND
PROTECTING ABILITY OF THE SET.
BE SURE TO REPLACE THEM WITH PARTS OF
SPECIFIED PART NUMBER.
SAFETY NOTES:
1. DISCONNECT THE AC PLUG FROM THE AC
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.
ARDS WHEN THE CHASSIS IS OPERATING.
NOTES:
1. The unit of resistance "ohm" is omitted (k=1000
1. The unit of resistance "ohm" is omitted (k=1000
ohm, M=1 Meg ohm).
2. All resistors are 1/8 watt, unless otherwise noted.
3. The unit of capacitance "F" is omitted (
3. The unit of capacitance "F" is omitted (
µ
=
µ
F,
p=
µµ
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 ones in the REC mode.
VOLTAGE MEASUREMENT CONDITIONS:
1. DC voltages are measured between points indi-
1. DC voltages are measured between points indi-
cated and chassis ground by VTVM, with
AC230V~240V/50Hz supplied to unit and all
controls are set to normal viewing picture unless
otherwise noted.
AC230V~240V/50Hz supplied to unit and all
controls are set to normal viewing picture unless
otherwise noted.
2. Voltages are measured with 10000
µ
V B & W or
colour noted.
WAVEFORM MEASUREMENT CONDITIONS:
10000
10000
µ
V 87.5 percent modulated colour bar signal
is fed into tuner.
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.
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VC-M314HM
VC-MH834HM
VC-MH834HM
9. SCHEMATIC DIAGRAM AND PWB FOIL PATTERN
LED CIRCUIT(1) (VC-MH834HM)
OPERATION CIRCUIT (VC-MH834HM)
OPERATION CIRCUIT (VC-M314HM)
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VC-M314HM
VC-MH834HM
VC-MH834HM
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LCD CIRCUIT (VC-M314HM)
LCD CIRCUIT (VC-MH834HM)
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VC-M314HM
VC-MH834HM
VC-MH834HM
VC-M314HM
VC-MH834HM
VC-MH834HM
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MAIN CIRCUIT(1) (VC-M314HM)
* VOLTAGE MEASUREMENT MODE
PB ...... Parentheses ( )
REC ... Without Parentheses
PB ...... Parentheses ( )
REC ... Without Parentheses
