Sony XDR-S3HD Service Manual page 21

Fm/am digital radio
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IC901 NJM2387ADL3(TE2) (POWER BOARD)
IC903 NJM2387ADL3(TE2) (POWER BOARD)
IC950 NJM2387ADL3(TE2) (FAN CNT BOARD)
OVERVOLTAGE
PROTECTION
BANDGAP
REFERENCE
1
2
3
VIN
CONTROL
VOUT
IC902 NJM2871BF33-TE2 (POWER BOARD)
5
THERMAL
PROTECTION
BANDGAP
REFERENCE
1
2
IC403 XC61CN2702NR (MICON BOARD)
4
VREF
1
CURRENT
LIMIT
THERMAL
PROTECTION
4
5
VADJ
GND
4
3
3
2
XDR-S3HD
21

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