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Electrical diagrams and Print-layouts
Power supply 20PS223



+12Va
2122 3121 0207
1 XH-B
2130 2131




BZX79-C15
33n 470R 2241 5240 +12V
+12V




BZX79-C15
6122




6123
2
1n 1u 7233
1n 1n
# L78M05 3
2 1120 3122 6240 +5Vstby




2240

470u




2232

100u
#
HSC0528 +5Vstby
5120 IN GND OUT 4
0101-2 VALUE # BYW29EX -40V
S1NB80




2125




2233

100u
T2.5A H 250V 9122 5131 5
6241

1 2120 2
CT283D3 +5V
3132
6
3120




100n
1 15
V
6120 BYW98-200 Off_1
5223
2119




2126
680K
7




3105
1R




BYD33J
2251




270K
3131
9101




6110
3253 2u2
0101-1 14 8
470pF 7259 -40V
HSC0528 # 9
1
1


Wiretag 1




6250 5222
1101
1100




7255




2121
BYD33J
# # 11
Wiretag




-5V




270K
3133




3136
6111




2123
2


3

4
1
IN GND OUT
BYD33J -8V_stby




2250

220u




2253




2259
0208




3254
1 EH-B
# +12V




3257
to power switch 3255
5121 2
7125 5
0125 2261 3260 3256 6256 3258




3123
STP3NB60FP5125 7256 3




39K
MECHPART Standby +5Vstby
16
330p 1K 4
83R 2263 6261 5260 -40V




2127

470p
22uH -40V




3125
BYD33M




10K
17
0205




2260
6260 1 EH-B




22u
6231 +6Va +3V3 2
5230
3134




3126

3127


3128
3




3R6
39K




1R


1R
2236 +6Vstby +5V
10u +12Va 4
+5V +5Vstby
6230 5231 STP16NE06 5




2238

100u
12
7236 +6Vstby




3233




3241
2230




2239

220u
3236
4K7
1m




1K
BYW98-200 6u8 3234 6
2132 5135
1K




2234
1 7




33n
100p 27u




2262
6210
7 10 8
3129 6133 6132 3135 3
BYW98-200 3235 -5V 9
39K 7237
UDZ-22B




1SS355 BAV21 220R -8V_stby
6211 15K
3111




10
2129



6129




2134




2133
22R




2m2
10u




4K7
TL431CZ
22u




47u




Standby




3237
7235




2210
2
9 13 BC847 11
+12V
2211 12