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Sony HBD-E570 Service Manual page 75

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3 7 63 1515 0
– POWER Board –
IC901 STR-F6138-LF1352 (E370: AEP, UK/E870: AEP, UK models)
IC901 STR-F6168-LF1352 (Except E370: AEP, UK/E870: AEP, UK models)
CURRENT
MIRROR
OVER
FEED
CURRENT
BACK
PROTECT
2
1
TE
L 13942296513
IC921 STR-Y6763
D/ST 1
OVERCURRENT
S/OCP 2
PROTECTION/
BOTTOM-SKIP
UNDER VOLTAGE
VCC 3
REGULATOR/
CONSTANT CURRENT
GND 4
FEEDBACK/
OVERLOAD
FB/OLP 5
PROTECTION
BD 6
DETECTION
NF 7
OSCILLAOTR
www
.
http://www.xiaoyu163.com
OSC
OVER
BOTTOM
CURRENT
PROTECT
SKIP
2
LOGIC
LOGIC
OVER
INH
INH
CURRENT
2
1
PROTECT
1
2
STARTUP
DRIVER
LOCK OUT/
LOGIC
LATCH
STANDBY
BOTTOM
x
ao
y
i
http://www.xiaoyu163.com
8
DELAY
LATCH
DELAY
OVER VOLTAGE
THERMAL
PROTECT
SHUT DOWN
SWITCHING
REGULATOR
BLOCK
3
4
Q Q
3
6 7
1 3
IC941 SI-3010KM-TLS
VC
1
VIN
2
GND
3
VOUT
4
ADJ
5
u163
.
HBD-E370/E470/E570/E870/T57
2 9
9 4
2 8
OVER LOAD
PROTECT
INTERNAL BIAS
UNDER VOLTAGE
LOCK OUT
5
1 5
0 5
8
2 9
9 4
TSD
+
REF
m
co
9 9
2 8
9 9
75

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