HBD-E370/E470/E570/E870/T57

– 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

 

 

 

 

 

 

 

 

 

 

 

OSC

 

 

 

 

 

 

 

 

 

 

 

 

DELAY

LATCH

 

 

 

 

OVER

 

 

 

DELAY

 

 

 

 

 

BOTTOM

 

 

 

 

 

 

 

 

CURRENT

 

 

 

 

 

 

 

 

PROTECT

SKIP

 

 

 

 

 

 

 

 

2

LOGIC

 

 

 

 

 

 

 

 

LOGIC

 

 

 

 

 

 

 

OVER

FEED

INH

INH

OVER

 

 

OVER VOLTAGE

THERMAL

OVER LOAD

CURRENT

CURRENT

 

 

PROTECT

SHUT DOWN

PROTECT

PROTECT

BACK

2

1

PROTECT

 

 

 

 

 

2

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERNAL BIAS

 

 

 

 

 

SWITCHING

 

 

UNDER VOLTAGE

 

 

 

 

 

REGULATOR

 

 

 

 

 

 

 

 

 

LOCK OUT

 

 

 

 

 

 

BLOCK

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

2

3

4

 

 

5

OCP/INH

 

 

 

S/GND

DRAIN

VCC

 

 

FB/OCP

IC921 STR-Y6763

 

 

 

 

 

IC941 SI-3010KM-TLS

D/ST

1

STARTUP

 

 

DRIVER

 

 

OVERCURRENT

S/OCP

2

PROTECTION/

 

 

BOTTOM-SKIP

 

 

UNDER VOLTAGE

VCC

3

LOCK OUT/

REGULATOR/

 

 

 

 

CONSTANT CURRENT

 

 

LOGIC

GND

4

LATCH

 

 

FEEDBACK/

 

 

STANDBY

FB/OLP

5

OVERLOAD

PROTECTION

 

 

BD

6

BOTTOM

DETECTION

 

 

NF

7

OSCILLAOTR

VC

1

VIN

2

GND

3

 

TSD

 

 

+

 

REF

VOUT

4

ADJ

5

75

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Image 75
Sony HBD-E370/E470/ E570/E870/T57 service manual Power Board, IC921 STR-Y6763 IC941 SI-3010KM-TLS