Sony HCD-DZ370 Service Manual page 69

QQ
3 7 63 1515 0
BST_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
OC_ADJ
GND
GND
VREG
M3
M2
TE
L 13942296513
M1
PWM_B
VDD
GND
GVDD_B
BST_B
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IC3100 CXD9883M (MAIN Board (9/9))
IC3150 CXD9883M (MAIN Board (9/9))
IC3200 CXD9883M (MAIN Board (9/9))
IC3250 CXD9883M (MAIN Board (9/9))
IC3300 CXD9883M (MAIN Board (8/9))
IC3400 CXD9883M (MAIN Board (8/9))
IC3500 CXD9883M (MAIN Board (8/9))
1
2
3 VREG
4
5
6
Programmable
7
Current sense
8
Temperature
waming/error
Protection
9
and
Reset /HIZ_HS_X
Logic
/HIZ_LS_X
10
/OCH_X
/OCL_X
11
/RESET_X
OLP
/PCR
Power-Up
12
OTP
Reset
CB3C
/UVP
13
/UVP_VREG
14
VREG
15
REG
16
17
18
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HCD-DZ370/DZ560/DZ570/DZ660/DZ777
2 9
8
/HIZ_HS_A
/HIZ_LS_A
Stuck
Detect
Protection
Logic
Timing
Control
/OCH_A
/OCL_A
/RESET_A
/UVP
VREG
Under
GVDD_A
Voltage
Protection GVDD_B
Q Q
3 6 7 1 3
/HIZ_HS_B
/HIZ_LS_B
Timing
Protection
Control
Logic
Stuck
Detect
/OCH_B
/OCL_B
/RESET_B
.
9 4 2 8
36
PVDD_A
Over
Current
Fault
35 PVDD_A
PVDD_A
34
Gate
Drive
33
GND
32 GND
31 GND
30
OUT_A
Gate
Drive
29
OUT_A
28 OUT_A
Over
Current
Fault
27 OUT_B
Over
Current
26 OUT_B
Fault
25 OUT_B
Gate
Drive
1 5 0 5 8 2 9 9 4
24 GND
23 GND
22 GND
21 PVDD_B
Gate
Drive
20 PVDD_B
19 PVDD_B
Over
Current
Fault
m
co
9 9
2 8 9 9
69