Sony SA-WCT800 - Page 25

SA-WCT800
25
IC7203 TAS5614LA-S
IC7402 PST8429UL
– SUB-POWER Board –
IC930 STR-Y6735 (US, CND)
IC930 STR-Y6766B (AEP, UK)
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
GND 1
VDD
2
+
–
VREF
OUT4
CD
3
D/ST 1
S/OCP
2
VCC
3
GND
4
BD
6
FB/OLP
5
STARTUP
LOGIC
DRIVER
LATCH
OVERCURRENT
PROTECTION/
BOTTOM-SKIP
UNDER VOLTAGE
LOCK OUT/
REGULATOR/
CONSTANT CURRENT
FEEDBACK/
STANDBY
OVERLOAD
PROTECTION
BOTTOM
DETECTION
NF 7
OSCILLAOTR