Sony HCD-SPZ90DAB Service Manual page 43

IC707 CXD9845M
GVDD_B 1
VREG
/OTW 2
/SD 3
PWM_A 4
/RESET_AB 5
PWM_B 6
PROGRAMMABLE
OC_ZDJ 7
CURRENT SENSE
GND 8
GND 9
VREG 10
GND 11
M2 12
M1 13
PWM_C 14
/RESET_CD 15
VREG
GVDD_A
UNDER
GVDD_B VOLTAGE
PROTECTION
GVDD_C
GVDD_D
PWM_D 16
VDD 17 REGULATOR
GVDD_C 18
STUCK
DETECT
STUCK
DETECT
2
TEMPERATURE
WARNING/ERROR
4
/HIZ_HS
4
/HIZ_LS
PROTECTION
&
4
RESET LOGIC
/OCH
4
OLP
/OCL
OTP
4
CB3C
/RESET
STUCK
DETECT
/UVP
POWER-UP
RESET
STUCK
DETECT
VREG
GVDD_B GVDD_A
/UVP
/HIZ_HS
GATE
/HIZ_LS
DRIVE
PROTECTION
TIMING
LOGIC
CONTROL
GATE
/OCH
DRIVE
/OCL
/RESET
/RESET
/OCL
GATE
/OCH
DRIVE
C O N T R O L
TIMING
PROTECTION
T I M I N G
CONTROL
LOGIC
GATE
/HIZ_LS
DRIVE
/HIZ_HS
/UVP
/UVP
/HIZ_HS
GATE
/HIZ_LS
DRIVE
PROTECTION
TIMING
CONTROL LOGIC
GATE
/OCH
DRIVE
/OCL
/RESET
/RESET
/OCL
GATE
/OCH
DRIVE
C O N T R O L
TIMING
PROTECTION
T I M I N G
CONTROL
LOGIC
GATE
/HIZ_LS
DRIVE
/HIZ_HS
/UVP
GVDD_C GVDD_D
HCD-SPZ90DAB
36 GVDD_A
35 BST_A
OVER CURRENT
FAULT
34 PVDD_A
33 OUT_A
32 GND
OVER CURRENT
FAULT
OVER CURRENT
FAULT
31 GND
30 OUT_B
29 PVDD_B
OVER CURRENT
FAULT
28 BST_B
27 BST_C
OVER CURRENT
FAULT
26 PVDD_C
25 OUT_C
24 GND
OVER CURRENT
FAULT
OVER CURRENT
FAULT
23 GND
22 OUT_D
21 PVDD_D
OVER CURRENT
FAULT
20 BST_D
19 GVDD_D
43