Sony STR-ZA2000ES - Page 88

STR-ZA1000ES/ZA2000ES/ZA3000ES
88
– F-HDMI Board –
IC3800 TCA9517DGKR
V
CCA
1
GND
4
V
CCB
8
EN
5
V
CCB
Pullup
Resistor
SDAB
6
SCLB
7
SDAA
3
SCLA
2
– DCDC Board –
IC981 RT7237ALGSP
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
S
R
QQ

–
+
FOLDBACK
CONTROL
SLOPE COMP
UV
COMPARATOR
CURRENT
COMPARATOR
CURRENT SENSE
AMPLIFIER
SHUTDOWN
COMPARATOR
LOCKOUT
COMPARATOR
OSCILLATOR
0.8V
+ +
–
VA
VCC
1.8V 1.2V
VA VCC
EA
–
+
0.4V
INTERNAL
REGULATOR
–
+
–
+
+
–
VOUT
4
CONT 1
GND
2
NC
3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
– POWR_KEY Board –
IC156 MM1839A50NRE
Ver. 1.1