Sony STR-KS2000 Service Manual page 45

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IC3100, 3150, 3200, 3250, 3300, 3400, 3500 CXD9883M
BST_A
1
GVDD_A
2
/OTW 3
/SD 4
/RESET 5
PWM_A 6
OC_ADJ
7
GND
8
Protection
AGND
9
and
Reset
Logic
VREG 10
M3
11
OLP
M2 12
OTP
CB3C
13
M1
PWM_B
14
VDD 15
REG
TE
16
GND
L 13942296513
GVDD_B
17
BST_B
18
IC3921 TC7WZ74FU (TE12R)
8 7 6 5
Q
R D
S
C
Q
1 2 3
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VREG
/HIZ_HS_A
/HIZ_LS_A
Stuck
Detect
Timing
Control
/OCH_A
Programmable
/OCL_A
Current sense
/RESET_A
Temperature
waming/error
/HIZ_HS_X
/HIZ_LS_X
/UVP
/OCH_X
/OCL_X
VREG
/RESET_X
Under
GVDD_A
Voltage
/PCR
Power-Up
GVDD_B
Protection
Reset
/UVP
/HIZ_HS_B
/UVP_VREG
/HIZ_LS_B
Timing
Control
VREG
Stuck
Detect
/OCH_B
/OCL_B
/RESET_B
4
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2 9
8
Over
Current
Fault
Gate
Drive
Protection
Logic
Gate
Drive
Over
Current
Fault
Over
Current
Fault
Gate
Drive
Protection
Logic
Q Q
3 6 7 1 3 1 5
Gate
Drive
Over
Current
Fault
co
.
STR-KS2000
9 4 2 8
36
PVDD_A
35 PVDD_A
PVDD_A
34
33 PGND
32
PGND
31 PGND
30
OUT_A
29 OUT_A
OUT_A
28
27 OUT_B
26 OUT_B
25 OUT_B
24
PGND
23 PGND
22 PGND
21 PVDD_B
0 5 8 2 9 9 4 2 8
20 PVDD_B
19 PVDD_B
m
9 9
9 9
45