Read Sony ICD-PX820 / ICD-PX820D / ICD-PX820M Service Manual online
ICD-PX820/PX820D/PX820M
22
IC3600 XC9129D45CDR (MAIN Board (5/5))
5
4
3
2
1
6
7
8
9
9
10
PHASE
COMPENSATION
CURRENT SENSE,
LIMIT,PFM
PWM/PFM
CONTROLLER,LOGIC
BUFFER
DRIVER
EN.
THERMAL SHUTDOWN
VREF WITH
SOFT START
F0
EN
BAT
ERROR AMP
PWM
COMPARATOR
LX
PGND
AEN
AGND
MODE
VOUT
FB
RAMP WAVE
GENERATOR
OSC
MODE
IC3610 MM3359A36URE (MAIN Board (5/5))
IC3670 MM3359A15URE (MAIN Board (5/5))
IC3680 MM3359A11URE (MAIN Board (5/5))
IC3670 MM3359A15URE (MAIN Board (5/5))
IC3680 MM3359A11URE (MAIN Board (5/5))
GND 2
VDD
4
VOUT
3
CURRENT
LIMIT
BIAS
VREF
CE 1
+
–
IC3630 XC6213B312NR (MAIN Board (5/5))
IC3640 XC6213B292NR (MAIN Board (5/5))
IC3640 XC6213B292NR (MAIN Board (5/5))
CE 1
GND 2
VDD
4
VOUT
3
+
–
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
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