Sharp LC-24LE240EK Service Manual ▷ View online
21
LC-24LE240
3TIVEXMRK7TIGMJMGEXMSRW
4MRRMRK
2.3.2. Operating Specifi cations
2.3. Pining
22
LC-24LE240
T
1& YWIW E ; 'PEWW ( 1SRS %YHMS %QTPMJIVW JSV JVSQ x XS x 8:W 8LI
84%( MW E ; TIV GLERRIP IJJMGMIRX 'PEWW( EYHMS TS[IV EQTPMJMIV JSV HVMZMRK
FVMHKIHXMIH WXIVISWTIEOIVW%HZERGIH)1-7YTTVIWWMSR 8IGLRSPSK]IREFPIWXLIYWISJ
MRI\TIRWMZI JIVVMXI FIEH JMPXIVW EX XLI SYXTYXW [LMPI QIIXMRK )1' VIUYMVIQIRXW
7TIEOIV+YEVH} WTIEOIV TVSXIGXMSR GMVGYMXV] MRGPYHIW ER EHNYWXEFPI TS[IV PMQMXIV ERH E
('HIXIGXMSRGMVGYMX8LIEHNYWXEFPITS[IVPMQMXIV EPPS[WXLIYWIVXSWIXEZMVXYEPZSPXEKI
VEMPPS[IV XLERXLIGLMTWYTTP]XSPMQMXXLIEQSYRXSJGYVVIRXXLVSYKLXLIWTIEOIV8LI('
HIXIGXGMVGYMXQIEWYVIW XLIJVIUYIRG]ERHEQTPMXYHISJXLI4;1WMKREPERH WLYXWSJJXLI
SYXTYXWXEKIMJXLIMRTYXGETEGMXSVWEVI HEQEKIHSVWLSVXWI\MWXSRXLIMRTYXW
84%( MW E ; TIV GLERRIP IJJMGMIRX 'PEWW( EYHMS TS[IV EQTPMJMIV JSV HVMZMRK
FVMHKIHXMIH WXIVISWTIEOIVW%HZERGIH)1-7YTTVIWWMSR 8IGLRSPSK]IREFPIWXLIYWISJ
MRI\TIRWMZI JIVVMXI FIEH JMPXIVW EX XLI SYXTYXW [LMPI QIIXMRK )1' VIUYMVIQIRXW
7TIEOIV+YEVH} WTIEOIV TVSXIGXMSR GMVGYMXV] MRGPYHIW ER EHNYWXEFPI TS[IV PMQMXIV ERH E
('HIXIGXMSRGMVGYMX8LIEHNYWXEFPITS[IVPMQMXIV EPPS[WXLIYWIVXSWIXEZMVXYEPZSPXEKI
VEMPPS[IV XLERXLIGLMTWYTTP]XSPMQMXXLIEQSYRXSJGYVVIRXXLVSYKLXLIWTIEOIV8LI('
HIXIGXGMVGYMXQIEWYVIW XLIJVIUYIRG]ERHEQTPMXYHISJXLI4;1WMKREPERH WLYXWSJJXLI
SYXTYXWXEKIMJXLIMRTYXGETEGMXSVWEVI HEQEKIHSVWLSVXWI\MWXSRXLIMRTYXW
8LI 84%( GER HVMZI WXIVIS WTIEOIVW EW PS[ EW 8LI LMKL IJJMGMIRG] SJ XLI
84%( IPMQMREXIWXLIRIIHJSVERI\XIVREPLIEXWMRO[LIR
TPE]MRKQYWMG
84%( IPMQMREXIWXLIRIIHJSVERI\XIVREPLIEXWMRO[LIR
TPE]MRKQYWMG
8LI SYXTYXW EVI EPWS JYPP] TVSXIGXIH EKEMRWX WLSVXW XS +2( :'' ERH SYXTYXXSSYXTYX
8LIWLSVXGMVGYMX TVSXIGXMSRERHXLIVQEPTVSXIGXMSRMRGPYHIWER EYXSVIGSZIV]JIEXYVI
8LIWLSVXGMVGYMX TVSXIGXMSRERHXLIVQEPTVSXIGXMSRMRGPYHIWER EYXSVIGSZIV]JIEXYVI
*IEXYVIW
;GLMRXSER
0SEHWEX 8,(2*VSQ E:7YTTP]
;MRXSE 1SRS0SEHEX 8,(2*VSQE:7YTTP]
)JJMGMIRX'PEWW(3TIVEXMSR)PMQMREXIW2IIHJSV,IEX7MROW
;MHI7YTTP]:SPXEKI6ERKI%PPS[W3TIVEXMSRJVSQ:XS:
*MPXIV*VII3TIVEXMSR
7TIEOIV+YEVH}7TIEOIV4VSXIGXMSR-RGPYHIW%HNYWXEFPI4S[IV0MQMXIVTPYW('
4VSXIGXMSR
*PS[8LVSYKL4MR3YX*EGMPMXEXIW)EW]&SEVH0E]SYX
6SFYWX4MRXS4MR7LSVX'MVGYMX4VSXIGXMSRERH8LIVQEP4VSXIGXMSR[MXL%YXS
6IGSZIV]3TXMSR
)\GIPPIRX8,(24ST*VII4IVJSVQERGI
*SYV7IPIGXEFPI*M\IH+EMR7IXXMRKW
(MJJIVIRXMEPMRTYXW
)JJMGMIRX'PEWW(3TIVEXMSR)PMQMREXIW2IIHJSV,IEX7MROW
;MHI7YTTP]:SPXEKI6ERKI%PPS[W3TIVEXMSRJVSQ:XS:
*MPXIV*VII3TIVEXMSR
7TIEOIV+YEVH}7TIEOIV4VSXIGXMSR-RGPYHIW%HNYWXEFPI4S[IV0MQMXIVTPYW('
4VSXIGXMSR
*PS[8LVSYKL4MR3YX*EGMPMXEXIW)EW]&SEVH0E]SYX
6SFYWX4MRXS4MR7LSVX'MVGYMX4VSXIGXMSRERH8LIVQEP4VSXIGXMSR[MXL%YXS
6IGSZIV]3TXMSR
)\GIPPIRX8,(24ST*VII4IVJSVQERGI
*SYV7IPIGXEFPI*M\IH+EMR7IXXMRKW
(MJJIVIRXMEPMRTYXW
3. Audio Amplifi er Stage with TPA3113(U168)
3.1. General description
3.2. Features
3.3. Absolute ratings
3.3.1. Electrical characteristics
23
LC-24LE240
3TIVEXMRK7TIGMJMGEXMSRW
3.3.2. Operating Specifi cations
3.4. Pinning
24
LC-24LE240
43;)678%+)
8LI (' ZSPXEKIW VIUYMVIH EX ZEVMSYW TEVXW SJ XLI GLEWWMW ERH TERIP EVI TVSZMHIH F] E
QEMR TS[IV WYTTP] YRMX 1& GLEWWMW GER STIVEXI [MXL -47 -47 -47 4;
4;EWQEMRTS[IVWYTTP]ERHEPWS[MXL:EHETXSV
QEMR TS[IV WYTTP] YRMX 1& GLEWWMW GER STIVEXI [MXL -47 -47 -47 4;
4;EWQEMRTS[IVWYTTP]ERHEPWS[MXL:EHETXSV
'2MWYWIHJSV-47-47ERH-47MWYWIHJSV4;ERH4;3 :3 :
JK9 is used for the adapter option and also CN705 inverter socket socket or DB32 chassis with CN706 is
used to supply backlight.
used to supply backlight.
The power supplies generate 18V, 12V, 5V, 3.3V and 12V, 5V, stand by mode DC voltages. Power stage
which is on-chassis generates 5V, 3V3 stand by voltage and 12V, 8V, 5V, 3V3, 2.5V, 1.8V and 1.2V supplies
for other different parts of chassis. Chassis block diagram is indicated in the next page.
which is on-chassis generates 5V, 3V3 stand by voltage and 12V, 8V, 5V, 3V3, 2.5V, 1.8V and 1.2V supplies
for other different parts of chassis. Chassis block diagram is indicated in the next page.
4. Power Stage
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