Sony HBD-E770W Service Manual page 73

QQ
3 7 63 1515 0
IC3011 SI-3010KM-TLS
VC 1
VIN 2
GND 3
REF
VOUT 4
ADJ 5
IC3100, 3200 CXD9981TN
GVDD_B 1
/OTW 2
NC
3
TE
INTERNAL PULLUP
L 13942296513
NC 4
RESISTORS TO VREG
5
/SD
PWM_A
6
/RESET_AB 7
PWM_B 8
OC_ADJ
9
GND
10
AGND
11
VREG 12
M3
13
M2 14
15
M1
PWM_C
16
/RESET_CD 17
18
PWM_D
NC
19
NC
20
www
VDD
21
GVDD_C
22
.
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TSD
–
+
UNDER
VOLTAGE
PROTECTION
POWER
ON
VREG
PROTECTION
RESET
AND
I/O LOGIC
TEMP.
SENSE
OVERLOAD
PROTECTION
PWM
CTRT.
TIMING
RCV.
PWM
CTRT. TIMING
RCV.
PWM
CTRT.
TIMING
RCV.
VREG
PWM
CTRT.
TIMING
RCV.
VREG
x ao
y
i
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8
IC3050 MM3404A18URE
CE 1
GND 2
4
4
Q Q
3 6 7 1 3
ISENSE
GATE
DRIVE
GATE
DRIVE
GATE
DRIVE
GATE
DRIVE
u163
.
2 9 9 4 2 8
BIAS
VOLTAGE
–
REFERENCE
+
CURRENT
LIMIT
44
43 BST_A
1 5 0 5 8 2 9 9 4
42 NC
41
40
39
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
38
37
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
36
35
34
33
32
31
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
30
29
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
28
27
26
25
m
24
23
co
HBD-E770W
9 9
4 VDD
3 VOUT
GVDD_A
2 8 9 9
PVDD_A
PVDD_A
OUT_A
GND_A
GND_B
OUT_B
PVDD_B
BST_B
BST_C
PVDD_C
OUT_C
GND_C
GND_D
OUT_D
PVDD_D
PVDD_D
NC
BST_D
GVDD_D
73