54
LC-32SV40U
Power unit operation check
YES
Power cord and harness in the unit
connected
Line filter unit? LX101 ,LX102 or
RT101 is out of order?
YES
Are the power cord and harness in the
unit
NO
YES
YES
YES
If F101 and F102 normal?
Does BD101 output 169V when
AC input 120V?
NO
Change a new full-wave rectifier
diode to check the output voltage.
Is the voltage of +5V applied to pin
6,7 ,8 of CN204?
Does the standby circuit normal?.
(TS101DL106,DL107 , the circuit
around the US101 and protection
circuit ect. is checked)
Are 12V and +24V output as for
power on/off switch when is on?
Does the LLC circuit normal?
Check primary side(TL102,QL101,QL102)
And Second
side(DL109,DL110,DL106)And the
protection circuit.
NO
NO
NO
Содержание LC-32SV40U
Страница 1: ...SERVICE MANUAL LCD COLOR TELEVISION MODEL LC 32SV40U LC 42SV50U LC 46SV50U ...
Страница 3: ...2 ...
Страница 4: ...3 ...
Страница 9: ...8 LC 46SV50U ...
Страница 13: ...12 Fig 8 1 Remove the 4 screws and disconnect 4 cables Detach the Main board ASSY as Fig 9 ...
Страница 14: ...13 Fig 9 2 Remove the 5screws and 2 Cables Detach the Power board as Fig 10 ...
Страница 15: ...14 Fig 10 3 Detach the IR board as Fig 11 Fig 11 ...
Страница 16: ...15 4 Detach the Key Pad ASSY as Fig 12 Fig 12 5 Detach the Speakers as Fig 13 Fig 14 Fig 13 Fig 14 Pull ...
Страница 22: ...21 3 Detach the IR board as Fig 11 Fig 11 4 Remove the 2screws Detach the Key Pad ASSY as Fig 12 Fig 12 ...
Страница 29: ...28 Fig 10 2 Remove the 6screws and 2 Cables Detach the Power board as Fig 11 Fig 11 ...
Страница 32: ...31 Fig 17 4 Remove the 2 screws at the upside of panel as Fig 18 Fig 18 ...
Страница 63: ...62 3 WIRING DIAGRAM LC 32SV40U LC 42SV50U ...
Страница 64: ...63 LC 46SV50U ...
Страница 65: ...64 CHAPTER 7 PRINTED WIRING DIAGRAM 1 MAIN UNIT PRINTED WIRING BOARD LC 32SV40U LC 42SV50U LC 46SV50U TOP ...
Страница 66: ...65 BOTTOM ...
Страница 80: ...79 Fig 4 Fig 5 ...
Страница 84: ...83 Fig 4 ...
Страница 85: ...84 Fig 5 ...
Страница 97: ...96 2 CABINET PARTS LC 32SV40U CABINET PARTS ...
Страница 99: ...98 LC 42SV50U CABINET PARTS ...
Страница 101: ...100 LC 46SV50U CABINET PARTS ...
Страница 104: ...103 4 PACKING PARTS PACKING PARTS LC 32SV40U ...
Страница 106: ...105 LC 42SV50U PACKING PARTS ...
Страница 108: ...107 LC 46SV50U PACKING PARTS ...