Sony HCD-U1BT Service Manual page 55

QQ
3 7 63 1515 0
– SMASTER Board –
IC707 CXD9845M
GVDD_B 1
VREG
/OTW 2
/SD 3
PWM_A 4
/RESET_AB 5
PWM_B 6
OC_ZDJ 7
GND 8
GND 9
TE
L 13942296513
VREG 10
GND 11
M2 12
M1 13
PWM_C 14
/RESET_CD 15
VREG
GVDD_A
GVDD_B
GVDD_C
GVDD_D
PWM_D 16
VDD 17 REGULATOR
www
GVDD_C 18
.
http://www.xiaoyu163.com
PROGRAMMABLE
CURRENT SENSE
2
TEMPERATURE
WARNING/ERROR
4
/HIZ_HS
4
PROTECTION /HIZ_LS
&
4
RESET LOGIC
/OCH
4
OLP
/OCL
OTP
4
CB3C
/RESET
/UVP
UNDER
POWER-UP
VOLTAGE
RESET
PROTECTION
VREG
x ao
y
i
http://www.xiaoyu163.com
8
GVDD_B
/HIZ_HS
/HIZ_LS
STUCK
DETECT
TIMING PROTECTION
LOGIC
CONTROL
/OCH
/OCL
/RESET
/RESET
/OCL
/OCH
C O N T R O L
TIMING PROTECTION
T I M I N G
CONTROL
LOGIC
STUCK
DETECT
/HIZ_LS
/HIZ_HS
Q Q
3 6 7 1 3
/HIZ_HS
/HIZ_LS
STUCK
DETECT
TIMING PROTECTION
CONTROL LOGIC
/OCH
/OCL
/RESET
/RESET
/OCL
/OCH
C O N T R O L
TIMING PROTECTION
T I M I N G
CONTROL LOGIC
STUCK
DETECT
/HIZ_LS
/HIZ_HS
u163
GVDD_C
.
2 9 9 4 2 8
GVDD_A
/UVP
OVER CURRENT
FAULT
GATE
DRIVE
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
GATE
DRIVE
GATE
DRIVE
OVER CURRENT
1 5 0 5 8 2 9 9 4
FAULT
/UVP
/UVP
OVER CURRENT
FAULT
GATE
DRIVE
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
GATE
DRIVE
GATE
DRIVE
OVER CURRENT
m
FAULT
/UVP
co
GVDD_D
HCD-U1BT
9 9
36 GVDD_A
35 BST_A
34 PVDD_A
33 OUT_A
32 GND
31 GND
30 OUT_B
29 PVDD_B
2 8 9 9
28 BST_B
27 BST_C
26 PVDD_C
25 OUT_C
24 GND
23 GND
22 OUT_D
21 PVDD_D
20 BST_D
19 GVDD_D
55