Sony SA-CT780 - Page 52

HT-CT780
52
IC503 TAS5624ADDVR
IC603 TPS542941PWPR
GVDD_AB 1
VDD
2
OC_ADJ
3
RESET
4
INPUT_A 5
PVDD_CD
OUT_C
31
PVDD_CD
30
32
PVDD_CD
29
GND
33
INPUT_B 6
C_START 7
GND
9
GND
11
GND
10
GND
12
AVDD
13
INPUT_C 14
INPUT_D 15
OTW
17
PROTECTION
&
I/O LOGIC
+
–
+
–
+
–
TEMP
SENSE
STARTUP
CONTROL
AVDD
DVDD 8
DVDD
POWER-UP
RESET
CB3C OVER-LOAD
PROTECTION
UVP
GATE-
DRIVE
+
–
GATE-
DRIVE
GND
OUT_B
34
35
PVDD_AB
38
GND
42
GND
41
BST_A
44
BST_B
43
GATE-
DRIVE
PVDD_AB36
PVDD_AB
37
OUT_A39
OUT_A
40
OUT_D27
GND
26
GND
25
BST_C
24
BST_D
23
OUT_D28
PWM & TIMING
CONTROL
ANALOG
LOOP FILTER
ANALOG
LOOP FILTER
ANALOG
LOOP FILTER
ANALOG
LOOP FILTER
PWM & TIMING
CONTROL
PWM & TIMING
CONTROL
PWM
RECEIVER
PWM
RECEIVER
PWM
RECEIVER
PWM
RECEIVER
PWM & TIMING
CONTROL
GATE-
DRIVE
CLIP 18
FAULT 16
M3
21
M2
20
M1
19
GVDD_CD 22
BST_X
GVDD_X
AVDD
DVDD
VIN216
VBST2
15
SW2
14
PGND2
13
EN2
12
PG2
11
VFB2
10
VREG5
9
VIN1
1
VBST1
SW1
2
3
PGND1
4
EN1
5
PG1
VFB1
6
7
GND
8
VREG5VREG5
PROTECTION
LOGIC
+

CH1 MIN-OFF
TIMER
+
+

REF2
PGND2
SW2
+

REF_OCL
SW2
SS2
ERR COMP
+

32%
UVUV2
ZC2ZC1
OCP2OCP1
CH2 MIN-OFF
TIMER
+

+
+

REF1
PGND1
PGND
PGND
VIN1
CONTROL
LOGIC
CONTROL
LOGIC
SW1
+

REF_OCL
XCON XCON
SW1
SS1
UV1
UV2
UVLO
TSD
ERR COMP


+
+
+

+16%

16%
32%
UV UV1
PG COMP


+
+
+16%

16%
PG COMP
SS1 SS2
PGND
EN LOGIC
5V REG
EN LOGIC
FIXED
SOFT START
REF1
REF2
REF
UVLO
VREG5
PGND