Read Sony NW-HD3 Service Manual online
35
NW-HD3
IC9501
BQ24010ADRCR
OUT
10
IN 1
BAT
9
VCC
VCC
V (ISET)
VSET
VI (BAT)
VI (BAT)
VI (BAT)
VI (BAT)
VO (REG)
2
TS
8
STAT1 3
PG
7
STAT2 4
ISET
6
VSS 5
CHARGE
CONTROL,
TIMER,
AND
DISPLY
LOGIC
DEGLITCH
VO (REG)
VI (BAT)
V (SLP)
DEGLITCH
VI (SET)
VI (SET)
DEGLITCH
DEGLITCH
VCC
VCC
THERMAL
SHUTDOWN
VO (REG)
REFERENCE
AND BIAS
IC9003
TPS62200DBVR
VI 1
SW
5
GND 2
EN 3
FB
4
CONTROL
LIGIC
DRIVER
SHOOT-THROUGH
LOGIC
REF
REF
SKIP COMPARATOR
LOAD COMPARATOR
COMPARATOR
CURRENT LIMIT
COMPARATOR
UNDERVOLTAGE
LOCKOUT
BIAS SUPPLY
SOFT START
1 MHz
OSCILLATOR
SAWTOOTH
GENERATOR
COMPENSATION
VREF=0.5V
V (COMP)
V
I
GM
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