Sony HCD-DZ275M Service Manual page 66

HCD-DZ275M/DZ570M/DZ665K/DZ670M
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)) (DZ665K/DZ670M)
BST_A 1
GVDD_A 2
/DTW 3
/SD 4
/RESET 5
PWM_A 6
OC_ADJ
7
GND
8
GND
9
10
VREG
M3 11
12
M2
13
M1
PWM_B 14
VDD 15
GND 16
GVDD_B
17
BST_B
18
66
VREG
Stuck
Detect
Timing
Control
Programmable
Current sense
Temperature
waming/error
Protection
and
Reset
/HIZ_HS_X
Logic
/HIZ_LS_X
/UVP
/OCH_X
/OCL_X
/RESET_X
Under
Voltage
OLP
/PCR
Power-Up
Protection
OTP
Reset
CB3C
/UVP
/UVP_VREG
Timing
Control
VREG
Stuck
REG
Detect
Gate
Drive
/HIZ_HS_A
/HIZ_LS_A
Protection
Logic
/OCH_A
/OCL_A
Gate
Drive
/RESET_A
VREG
GVDD_A
GVDD_B
Gate
Drive
/HIZ_HS_B
/HIZ_LS_B
Protection
Logic
/OCH_B
/OCL_B
Gate
Drive
/RESET_B
36
PVDD_A
Over
Current
Fault
35 PVDD_A
PVDD_A
34
33 GND
32
GND
31 GND
30
OUT_A
29
OUT_A
OUT_A
28
Over
Current
Fault
27 OUT_B
Over
Current
26
OUT_B
Fault
25
OUT_B
24 GND
23 GND
22 GND
21 PVDD_B
20 PVDD_B
19 PVDD_B
Over
Current
Fault