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Sony RB1G Service Manual
Also see for RB1G: Service manual
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RB1G CHASSISW600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A24Troubleshooting3-1-2. No POWER: Ayu2 ControlNote:(AYU2) – IC9000(Brownie)- IC9001No PowerCheck STBY_+3.3Vat AYU2(F11, G11, K13 pin C7348)Look for AC_MON lineat CN9101 pin2 (except BK*) orG-board / Adapter failure (LW)NG NGCheck STBY_+1.0Vat AYU2(N13, P13 pin C7350)Check Xtal oscillationX7302, 32.768KHz(A7, B7 pin R7386)OKCheck AC_MONat AYU2(C6 pin R7352)look for whereSTBY_+3.3V is NG.look for whereSTBY_+1.0V is NG.NGReplace X7302 or Ayu2OKIt might be power supply problemPlease refer "DC/DC converter check" sheetOrCheck "STBY LED BLINKING"Look for MAIN_POWER lineat CN9101 pin1 (except BK*)or replace AYU2NGCheck MAIN_PWRat AYU2(A9 pin R7344)OKG-board /Adapter (LW)NGCheck REG+12Vat CN9101 pin7Check REG+19Vat F9301(BK* only)OKOKCheck STBY_+1.8Vat AYU2(K5, L5, L10, J7 pin C7349)look for whereSTBY_+1.8V is NG.OKOKNGNGSize B* Board Type(Segment: LW)OTHERS EUROPE JP32” BKX BKE BKJ42” BKX BKE BKJNote:G BOARD : ( N/A FOR THIS MODEL) |
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