acer quanta zr1 r3a schematics free download

File name quanta_zr1_r3a_schematics.pdf

5 4 3 2 1 MODEL: REV: CHANGE LIST: ECN NO MODEL : ZR1 MB 1A FIRST RELEASE E200604-0013 E200605-0194 PAGE FROM TO 2A PAGE 02 : ADD EMI SOLUTION E200605-3569 1 1A PAGE 03 : MODIFY MDC NUT / UN-STUFF CPURST# PU R151 E200605-6558 PAGE 06 : STUFF LIBG R430 FOR 940GML / MOVE TMDS PU AT NB SIDE 2 2A 3A PAGE 10 : ADD LCD PIN 31 & 33 TO GND FOR EMI / MODIFY S-VIDEO CONNECTOR P/N ZR1 PAGE 11 : MODIFY RTC BATTERY CONNECTOR / ADD MB GPIO FOR FACTORY IDENTIFY / REMOVE SUSCLK FOR SMSC SIO 3 2A 3A D MotherBoard PAGE 13 : MODIFY VMAIN_AVAL TO +3V_S5 / UN-STUFF R28 & R29 FOR LAN LED NO ACTIVE ISSUE 4 1A 3A D PAGE 16 : ADD MINI-CARD BYPASS CAPACITOR BY ACER REQUEST / ALWAYS STUFF D11 FOR MINI-CARD W/L CAN'T ENABLE PAGE 17 : ADD L64 ON SPDIF FOR EMI / MODIFY BEEP NOISE ( R281 ) / ADD C695,C696 FOR REDUCE LINE IN NOISE / MODIFY SPDIF CIRCUIT MODIFY R522,R524 FOR REDUCE DISTORTION / RESERVE R541,R542,R543 FOR NOISE REDUCTION / STUFF U41 / UN-STUFF D30 FOR POP ISSUE 5 1A PAGE 18 : MODIFY RF LED ; EMAIL LED ; IDE LED CIRCUIT / MODIFY TP PIN DEFINE PAGE 20 : MODIFY SIO TO NS87383 / ADD RGB EMI SOLUTION / RESERVE DVI EMI SOLUTION / UN-STUFF TMDS PU AT DOCKING SIDE 6 2A 3A PAGE 21 : MODIFY PL2,PL5 TO 2R5 FOR REDUCE POWER RIPPLE & INCREASE POWER BUGET PAGE 22 : SOLVE CPU VCORE UN-STABLE ISSUE TO CHANGE