STR-DA5400ES - Sony Audio Service Manual (repair manual). Page 119

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STR-DA5400ES
119
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
8
15
16
10
14
13
12
11
9
6
7
4
2
3
1
VCC
G2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
GND
A8
A7
A6
A5
A4
A3
A2
G1
A1
20 19
18
17
5
1
G1#
2
A1
3
Y2
4
GND
7 G2#
8 VCC
6 Y1
5 A2
1
DIR
2
A1
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
3
A2
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
18 B1
19 OE
20 VCC
1
2
3
6
4
CONT
GND
NP
VIN
5
GND
VOUT
CONTROL
CIRCUIT
BANDGAP
REFERENCE
CONSTANT
CURRENT
SOURCE
OVER HEAT &
OVER CURRENT
PROTECT
IC3516, 3520   TK11150CSCL-G
IC3608, 3613   TK11118CSCL-G
IC3614, 3616, 3626, 3629, 3860   TK11133CSCL-G
IC3852   TK11125CSCL-G
IC3524   TC74VHC541FT(EL)
IC3525   TC7WT125FU (TE12R)
IC3619, 3620   TC74LCX245FK (EL)
IC3622, 3625   TK11233CMCL-G
IC3851, 3856   TK11225CMCL-G
1
SVIN
4
VFB
5
RT
6
SYNC/
MODE
7
RUN/SS
8
SGND
2
PGOOD
3
ITH
0.74V
0.86V
RUN
9 PVIN
10 SW
11 SW
12 PGND
13 PGND
14 SW
15 SW
16 PVIN
+
+
+
+
VOLTAGE
REFERENCE
+
SLOPE
COMPENSATION
RECOVERY
LOGIC
+
SLOPE
COMPENSATION
OSCILLATOR
+
+
ERROR
AMP
BURST
COMPARATOR
PMOS CURRENT
COMPARATOR
REVERSE
CURRENT
COMPARATOR
NMOS CURRENT
COMPARATOR
IC3623   LTC3412EFE#TR
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