Sony HBD-E780W Service Manual page 75

IC3050 MM3404A18URE
CE 1 BIAS
VOLTAGE
REFERENCE
GND 2
IC3100, 3200 CXD9981TN
GVDD_B 1
/OTW 2
NC 3
INTERNAL PULLUP
NC 4 RESISTORS TO VREG
5
/SD
PWM_A
6
/RESET_AB 7
PWM_B 8
OC_ADJ
9
GND
10
AGND
11
12
VREG
M3 13
M2 14
15
M1
PWM_C
16
/RESET_CD
17
18
PWM_D
VREG
NC 19
NC
20
VREG
VDD
21
GVDD_C
22
–
+
CURRENT
LIMIT
4
UNDER
VOLTAGE
4
PROTECTION
POWER
ON
VREG
PROTECTION
RESET
AND
I/O LOGIC
TEMP.
SENSE
OVERLOAD
ISENSE
PROTECTION
PWM
GATE
CTRT.
TIMING
RCV.
DRIVE
PWM
GATE
CTRT.
TIMING
RCV.
DRIVE
PWM
GATE
CTRT.
TIMING
RCV.
DRIVE
PWM
GATE
CTRT. TIMING
RCV.
DRIVE
HBD-E780W/E980W/E985W
4 VDD
3 VOUT
44
GVDD_A
43 BST_A
42 NC
41 PVDD_A
PVDD_A
40
39 OUT_A
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
38 GND_A
37 GND_B
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
36 OUT_B
35 PVDD_B
BST_B
34
33 BST_C
32 PVDD_C
31 OUT_C
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
30 GND_C
29 GND_D
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
28 OUT_D
27 PVDD_D
26 PVDD_D
25 NC
24 BST_D
23 GVDD_D
71