Sony HCD-HX50BTR Service Manual page 48

HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
QQ
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IC707 CXD9845AM (HX50BTR/HX80R/HX90BTR)
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
PROTECTION
TE
L 13942296513
M2 12
RESET LOGIC
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
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STUCK
DETECT
STUCK
DETECT
2
TEMPERATURE
WARNING/ERROR
4
/HIZ_HS
4
/HIZ_LS
&
4
/OCH
4
OLP
/OCL
OTP
4
CB3C
/RESET
STUCK
DETECT
/UVP
POWER-UP
RESET
STUCK
DETECT
VREG
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8
GVDD_B GVDD_A
/UVP
/HIZ_HS
/HIZ_LS
PROTECTION
TIMING
CONTROL LOGIC
/OCH
/OCL
/RESET
/RESET
/OCL
/OCH
C O N T R O L TIMING
PROTECTION
CONTROL T I M I N G
LOGIC
/HIZ_LS
/HIZ_HS
/UVP
Q Q
3 6 7 1 3
/UVP
/HIZ_HS
/HIZ_LS
TIMING PROTECTION
LOGIC
CONTROL
/OCH
/OCL
/RESET
/RESET
/OCL
/OCH
C O N T R O L
TIMING PROTECTION
CONTROL T I M I N G
LOGIC
/HIZ_LS
/HIZ_HS
/UVP
GVDD_C GVDD_D
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2 9 9 4 2 8
OVER CURRENT
FAULT
GATE
DRIVE
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
GATE
DRIVE
GATE
DRIVE
OVER CURRENT
FAULT
1 5 0 5 8 2 9 9 4
OVER CURRENT
FAULT
GATE
DRIVE
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
GATE
DRIVE
GATE
DRIVE
OVER CURRENT
FAULT
m
co
9 9
36 GVDD_A
35 BST_A
34 PVDD_A
33 OUT_A
32 GND
31 GND
30 OUT_B
29 PVDD_B
28 BST_B
2 8 9 9
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