Panasonic DMR-BWT720EB Service Manual

Contents

8411.6. Digital P.C.B. Regulator Block DiagramD27PW PX SW +12.3VP58813P6703PK D +1.5V (D +1.5V)IC51001IC52001, IC52002IC52201, IC52202PKD +1.2V A (D +1.2V)IC510012IP5800212IP5810212IP5840112IP5800611IP5880122IP5800112IP593011IC58005PW X SW+5.9VH :ONP58813P6703(REG. 5V)IC59503135V INHHDMI P ONIC59501- 55JCP ON HIC59501- 49H :(REG. SUB A +5V)IC58009135V IN IC53001(SUB A +5V) (XN +4V)Q55002, Q55003D59501SUB A +5VIC54002(AU +5V)PW AU +5VIR7201(XN +3.3V)IC7201(+3.3V)DDDDS1S2S3Q58004G487652CB1EN210VB19EN13VCC20OUT2 H12OUT1 H1IC58004(DC/DC CONVERTER)OUT1 L 23LX1 2411CB2OUT2 L 14LX2 13HD +1.2V (D +1.2V)IC55001PKD +1.2V C (D +1.2V)IC51001SUBA +3.3VIC53001(SUB A +3.3V)(REG. SUBA +3.3V)IC58003435V INH :ONIC55001(HD +3.3V)HD +3.3VIC58006HFL BSB ONST D +3.3V (ST D +3.3V)IC51001, IC51003, IC51007IC51301, IC54002, IC54003IC59020, IC59301, JK59001SMT +3.3VP STANDBY HP STANDBY HPW X SW +5.9V(REG. PK D +1.5V)DDDDS1S2S3Q58006G48765(REG. PK D +1.2V)IC59501- 53(REG. ST D +3.3V)(REG. X SW +3.9V)VOUTH :ON(REG. HDMI +5V)IC58011135V IN (HDMI 1 +5V)JK55001VOUTVOUTONVOUTFROMPOWER SUPPLYBLOCK SECTIONFROMPOWER SUPPLYBLOCK SECTIONX SW +3.9VFROMTIMERBLOCKSECTION20, 21, 22, 23P58809P30022, 3, 5 7, 9, 101IP580022P58809P3002TOPOWER SUPPLYBLOCK SECTIONTOPOWER SUPPLYBLOCK SECTION1 119, 10P7201P588021P6703P588133P7201P5880210Q58010Q58009H : ON ) H( : ON )FROMTIMERBLOCKSECTIONHDR P ONHJC P ON DLIC59501- 56(Q58001, Q58008QR58001, QR58002(+5V VBSU 1)P59302(+5V VBUS 2)P9102(REG. USB +5V)IC59303135V INEN4FLG3EN4FLGVOUT(REG. USB +5V)IC59302273V INENSW(REG. USB +5V)IC580131 5V IN VOUT(REG. USB +5V)IC58008215V INH :ONVOUT(REG. XN +4V)IC59504135V INH :ONVOUT(REG. +3.3V)IC7202135V INON: HVOUTSSSGD8D7D6Q58003D51234(REG. PK D +1.5V)SSSGD8D7D6Q58005D51234(REG. PK D +1.2V)H :(REG. WL +5V)IC5800221440V IN VOUTONFRONT (R) FL P.C.B.T2 TUNER P.C.B.IC59501- 43QR58019ST D +3.3VL : ON )(DMR-BWT720EBDigital P.C.B. RegulatorBlock DiagramQ580024 1S3 GD256(REG. DR +12V)DR +12V P58807TO HDD4DR +5V P588071P58814TOBD DRIVE4P588141HP FE ONHP FE ONHP FE ONPW SW +1.8VP588034P9101P588044X SW +3.9V PS8702P588058, 9PW X SW +5.9V PS8702P5880511DIGITAL P.C.B.PS8702P5880512, 13, 14PS8702P5880515(MAIN +1.2V)IC8701HON :HON :(SUB +1.2V)IC8702(OFDM +3.3V)IC8701, IC8702HON :HON :(OFDM +2.5V)IC8701, IC8702ENHON :HON :TU +1.8V6ANT +3.3V2TU +3.3V7TU8701(VHF/UHF COMBINATION(DUAL/DIGITAL) TUNER)(REG. DR +5V)IC58102273VCC SWEN(REG. SW +1.8V)IC58401IC5100113710VIN SW114 11VCC SW2EN13710VIN SW114 11VCC SW2EN13710VIN SW114 11VCC SW2EN(SMT +3.3V)IC6811IC59501- 58PW GOOD HPW GOOD HCONTROLCIRCUITTO TIMERBLOCK SECTIONQR58003H(DR P ON : ON )LDP PWR3 ONWIFICARDIC5930146 CSB145 PPB1IC5930144 DP OVER243 DP PWR2 ONIC59301LL(REG. MAIN +1.2V)IC8704851VIN VOUT(REG. SUB +1.2V)IC8706851VIN VOUT(REG. OFDM +3.3V)IC8707514VIN VOUT(REG. OFDM +2.5V)IC8708514VIN VOUT(REG. TU +1.8V)IC8709453VIN SW(REG. TU +3.3V)IC8711135VIN VOUT(REG. ANT +5V)IC8703135VIN VOUTIC59501- 39P SAVE L TO TIMERBLOCK SECTION