Sony HBD-DZ940K Service Manual page 51

IC3100 CXD9981TN (MAIN Board (9/9))
IC3300 CXD9981TN (MAIN Board (9/9))
IC3350 CXD9981TN (MAIN Board (9/9))
GVDD_B 1
/DTW 2
NC 3
INTERNAL PULLUP
RESISTORS TO VREG
NC 4
/SD 5
PWM
PWM_A 6
RCV.
/RESET_AB
7
PWM
PWM_B 8
RCV.
OC_ADJ 9 I-SENSE
GND 10
AGND 11
VREF 12
VREG
M3
13
M2
14
M1 15
PWM
16
PWM_C
RCV.
17
/RESET_CD
PWM
18
PWM_D
RCV.
19
NC
NC 20
VDD 21
GVDD_C 22
IC3003 SI-3010KM-TLS (MAIN Board (9/9))
3
5 4
HBD-DZ340M/DZ640M/DZ840K/DZ840M/DZ940K
UNDER-
VOLTAGE
PROTECTION
PROTECTION
TEMP.
AND
SENSE
I/O LOGIC
TIMING
CTRL
TIMING
CTRL
OVERLOAD
PROTECTION
POWER
ON
RESET
TIMING
CTRL
TIMING
CTRL
2
1
REF
TSD
4
4
GATE
DRIVE
BTL/PBTL-CONFIGURATION
PULLDOWN RESISTOR
BTL/PBTL-CONFIGURATION
PULLDOWN RESISTOR
GATE
DRIVE
GATE
DRIVE
BTL/PBTL-CONFIGURATION
PULLDOWN RESISTOR
BTL/PBTL-CONFIGURATION
PULLDOWN RESISTOR
GATE
DRIVE
44 GVDD_A
43 BST_A
NC
42
41 PVDD_A
40 PVDD_A
39 OUT_A
38
OUT_B
37
GND_B
36 27 OUT_B
35 PVDD_B
BST_B
34
33
BST_C
32
PVDD_C
31
OUT_C
30 GND_C
29 GND_D
28
OUT_D
27
PVDD_D
26 PVDD_D
25 NC
24 BST_D
23 GVDD_D
51