Sharp XE-A202 Service Manual - Page 20

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT - 19 - 8 7 6 5 4 3 2 1 3/4 2021V4: 220V-230V 202V6/7:23 0V-240V POWER T RANS F1 D1 Q1:HEAT SINK 202U/A : 120 V D CN 1 3. 15A 1 2 1 2 C1 - + MYLO R 0.033u F Q1 KT D998 IPEAK>12A :100% L1 with FUSE 63 uH VH +7.86V +/-0.13V D VH B2P -VH CP301 33 00uF R2 10(FUSE) R4 17.8KF 1 NO T USED POWER T RANS C2 50V + IC1 5 7 D2 C3 + ZD1 R1 22K LM 2574 6,8pin:N.C R3 FMB-G 24H R5 3. 3KF 47 00uF 16V PTZ 9.1B 3 2 4 L:ON 18K H:OFF R2 41 24K /VPON VOUT=1.23X(1+R4/R5) R1 14 0 C R2 44 VO NOT INSTALL VP ON R1 13 2. 2K D5 1SS 133 Q2 KRC 106S 0 /POF F D3 R2 45 1SS 133 HEAT SINK 0 VCC VLE D /VOF F D4 F3 1SS 133 T1.0A L IPEAK>2.2A IC2 PQ1C G2032FZ L2 4 1 2 180 uH C VLE D D7 1N40 02 VCC +5V VLED +5.8V VCC R15 R16 3 5 2. 7K 9.1KG R20 C14 + 1uF /50V R19 R17 56K 8 0 3 + 1 2- 2. 7K 8 5 + 7 6- /POF F C4 + 220 uF/50V D6 RB060L40 R6 2.7KF R7 91 0F C5 + 10 00uF 16V D8 1N40 02 ZD2 +C6 PTZ 6.2A 10 uF/10V,OS REGURATOR +C8 33 0uF 16V D9 RB721Q R8 220 C9 0. 1uF(M) VDD R10 22K VB AT R2 46 R9 100 3. 3M CN 2 1 2 B R18 IC4A 3.9K BA10 393 4 IC4B BA10 393 4 C15 0.1uF VOUT=1.26X(1+R13/R14) /VOF F /VOF F 2.2A L3 220 uH D10 RB060L40 Q3 KRA106 S R12 51 C12 VO VO VO:23.8V R13 10K C13 + R14 560 1000 uF/35V