Sony STR-DA5400ES Service Manual page 119

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