NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY r eplacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRAMS (15/15)1U-3316-2 DISPLAY UNIT1U-3316-3 VOL UNIT- B LINE+ B LINE771 2 3 4 5 6 7 8ABCDESCHEMATIC DIAGRAMS (15/15)FGH9 10 11AVR-3801+ 5V- 33VACBDw w w . x i a o y u 1 6 3 . c o mQ Q 3 7 6 3 1 5 1 5 0 992894298T E L 1 3 9 4 2 2 9 6 5 1 3 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com