Canon PowerShot 350 Service Manual - Page 128
FLASH, CIRCUIT, CAUTION, Direct, contact, cause, trical, shock, burns., WARNING, VOLTAGE, DRIVE,
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Page 128 highlights
D &WARNING ®-marked parts are critical parts. They must only be replaced with the exact replacement & CAUTION part. Do not substitute off-theshelf parts. Direct contact © The backlight circuit shown within the -„:1 contains high volt- can cause elec- age. When working around this area take care. trical shock and H ® Always disconnect the AC adaptor and remove the battery before WARNING changing any parts. HIGH VOLTAGE! burns. G 3-4. FLASH CIRCUIT :+B Line L502 0L003196100 O501 2SD1119 SWITCHING REG) CL501 0 .1 5.3 0. OR502 UN5215 (SW. REG.) 4.9 6519 262M C506 VCF0182 0509 300V100 ECOA2LF101PS 117 C511 1000P J504 DP501 VEK8152 (STROBE) D503 SHUTTER E Circuit (SHUTTER) S2301 VSP1036 6510 680 6522 IC501 M5291FP (SWITCHING REGULATOR CONT.) C510 22 6512 47 caw D504 MA111 14 APO1C 6513 680K R525 560K 0505 AMO1 2 1502 VLT08 8 C 05 VCF0182 R521 22 R515 100K J503 0 J502 8 220 10V4R7 OR501 0503 J2302 J2301 50 To Main Precess Circuit (FP3003 FP501 o. S 2 R C508 000 0.9 3 4 REF. VOLTAGE 17V 0SC 4.9 7 5 6 6511 1K 5 R506 390 R505 3900 6504 100K 0507 VCK0282Z105 UN5111 2SD1819 (g (STROBE OR503 DRIVE) ROBE RTVE) UN5211 DRIVE) 0 R520 10K O504 0508 (S82TP1,7RG5O°3E)B0E1 R524 33 6523 ISO FP3003 5 V S3623A008 LC STI 2581218 R502 4700 'Mr STR TRG STBOK SLFLF 6 C 7 SHU (TER B 2 D501 820 LN28CAL OR504 03 EECSOHDW9)% (SELF TIMER LAMP) 0 0502 NJL7113B OPT. ADJ. 2 ENSOR) UN5217 (SWITCHING /STR.TRI.) R5051 5V R562 IC551 UPC393G2 I C552 C551 0.1 0.1 8561 R560 27K > 47K C554 4700 (COMPARATOR) B To P501 VJP2273 5V 5V I/F Pewer Circuit N 3 .8V>mo.o. R552 10K (P8003) GND 4 0.1 4.3 2 3.5 3 8 7 +- 0.8 6 2OS5D51819A (SWITCHING) 0 7 0.7 R553 22K 6514 18K 4 5 R558 R559 22K 22K C50 0.01 O552 2SD1819A TH651 (SWITCH(NG/STR.TRL) A 6556 330 Tig 100K ERTD2ZHK1045 77, 1 I 2 I 3 I 4 I 5 I 6 E18
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