Panasonic SA-HT740P Service Manual

Also see for SA-HT740P: Service manual supplement Service manual

Contents

5.3. Power Circuit (SA-HT743P/PC)ABCDEFGH1 2 3 4 5 6 7 8 9 10 1 1 12 131235245155064974884794610451144124313421441154016391738183719362035213422332332243126302925282716171234561412108791113151234561412108791113+50V+30_VDD+30_VDDPGND_30PGND_30-30_VDD-30_VDDDC_DET+12VC5101 1000PC5201 1000PC5601 1000PC5301 1000PC5401 1000PC5501 1000PC5504 50V2.2C502516V56PC571863V220C502116V56PC502216V47C591410V1AVCC1/2CLKCTL1/2CLKIN1/2CLKMODE1/2HICSUBIN1 (SW)+Vdd1/2IN2(CENTER)HICSUBPRINPRMONMUTE/PREN/STBYAGND1/2CREF1/2MUTE_3CH3INGNDNCMUTE_5,6CH6INCH5INMUTE_4CH4INGNDGNDCHMODEIC1SUB-Vout1+Vcc1+Vout1GND+PH1-PH1CH3-OUT-PH2+PH2GND+Vout2+Vcc2-Vout2-VCC5_6+VCC5_6CH4-OUTCH4+OUT-VCC_PRE+VCC_PREGNDCH6OUTCH5OUT+VCC3_4-VCC3_4CH3+OUTC509750V10C50730.1LB5071J0JKB0000020 +30V-30VIC5001RSN704D65-PIC5010C0JBAB000472Q5096B1ABCF000011Q5022B1ABCF000011Q5023B1ABCF000011Q5014B1ABCF000011Q5025B1ABCF000011Q5095B1ABCF000011Q5031B1ADBL000010Q5002B1ABCF000011Q5001B1ABCF000011L5309ETQA15A150TC502963V47PC507135V33PC5076 35V470PC5078 35V470PC5075 35V470PC5077 35V470PC503063V47PC53180.68C5431100PC54870.1C50740.1LB5072J0JKB0000020C507235V33PC50671000PC506316V10C50661000PC506216V10C5502100PC55120.68C55320.1 R551722C50981000PC5531100PC55100.68C5530100PC56090.68C5013 0.01C5012 0.01C5015 390PC5014 100PC5017 390PC5016 100PC50330.1C5036 0.1C5035 0.1C5630100PC56110.68C5631100P1324L5105ETQA15A150TJK5400FL+SURROUND RFRONT LCN5050AGNDFRONT RAGNDSUBWOOFERAGNDSURROUND LAGNDAGNDCENTERMODE_SMODE_FFHOPDGNDMUTE_CSWMOD_DASW+C+SR+SR-SL-GNDGNDSL+SW-C-1324L5503ETQA17A150T1324L5601ETQA17A150T1324R5516 0R55198.2KR5514 0R5615 0R5410 220R5038 220KR5039220KR5037 47KR50411R50421R5613 0R5077 0R50721.5KR5073 22K R5071 0R5074 4.7KR56278.2KC5020 0.1R5070 4.7KR548722C5230100PC51130.68C5130100PC51150.68C51810.1 R518122R51105.6KR550447KC51830.1 R518322R51095.6KC53860.1R54115.6KR53115.6KC5406 0.47R5208 220R5107 220R5502 2.2KD5041 B0ACCK000005R5506 22KC5603 50V2.2C5602100PC5019 47PC5018 47PC50110.1R560347KC50400.1R504710KR504647KR50533.3KR505022KR506310KR5601 2.2KR5011 10K R50141MGNDVCCIN GND OUTR5056 4.7KR5605 22KR5012 100R50131MR5057 4.7KR5059 10KR5040 0R5060 10KR5062 10KC50990.01R5052 22KK50010R5051 22KR5067 100R5065 100R5309 220 C5305 0.47R538622C53170.68C5430100PD5031 B0BC3R400001R5076 0IC5002C0ABBA0001631 213143124115106978127 83645R504847KR50941KR50491KR5021100K R5022 100KR5625100KR5624 220KR5023 220KQ5015B1ADBL000010FR+FR-FL-C503150V10R5493 22K R5492 120KR5082 82KR509947KR5081 82KR569610KR562610KR559510KR5391 68KC50966.3V100R5189 82KR5518 10KR519710KR5080 10KR5079 10KL5023ELJPC220KFBL5021ELJPC220KFBD5010B0ACCK000005D5013B0ACCE000003D5012B0ACCE000003R50151MX5011H2A415300001X5010H2A375300003TOMAIN CIRCUIT(CN2011) onSCHEMATICDIAGRAM-11BTOSPEAKERS1 2 3IC5004C0CBADE00023C500216V100 C500316V100C500116V100 -VCC+VCC423124132413241324132413L5600G0B9R5K00001L5500G0B9R5K00001L5200G0B9R5K00001L5100G0B9R5K00001L5400G0B9R5K00001L5300G0B9R5K00001: MAIN SIGNAL LINESA-HT743P/PC POWER CIRCUITTERMINALINVERTERINVERTERDUAL OP-AMPDC DETECTDC DETECTDC DETECTDC DETECTINVERTERSCHEMATIC DIAGRAM-12POWER CIRCUITCDIGITAL POWER AMPMUTING(CENTER SW)MUTINGMODE SELECTOR:+B SIGNAL LINE :-B SIGNAL LINECHANGE ADD(C5718)0.02CHANGEDELETE(C5027)DELETE(C5028)CHANGE0.022.7KSA-HT740P / SA-HT740PC / SA-HT740PX / SA-HT743P / SA-HT743PC / SA-HT940P / SA-HT940PC19