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Please check the Fuse Resistor when an output
voltage does not output.
FUSE RESISTOR:
(R1701/R1801)
PW +B
POWER CTL1
POWER CTL2
POWER CTL3
Q1601
QR1601
IC3401
(MPEG CODEC)
CH1681
LCD BL ON H
GPIO29
J2
CL1682
BL CONT
GPIO36
R7
CH1775
EVF ON H
GPIO145
B18
8
7
6
5
VIN
BST
SW GND
IC1611
(SYNCHRONOUS
STEP-DOWN
CONVERTER)
EN
FB
PVCC
SS
1
3
4
2
8
7
6
5
VIN
BST
SW GND
IC1631
(SYNCHRONOUS
STEP-DOWN
CONVERTER)
EN
FB
PVCC
SS
1
2
3
4
8
7
6
5
VIN
BST
SW GND
IC1651
(SYNCHRONOUS
STEP-DOWN
CONVERTER)
EN
FB
PVCC
SS
1
2
3
4
R1701
R1801
8
7
6
5
SW GND
VOUT
FB
IC1811
(DC/DC CONVERTER)
EN
VIN
PWM
ISET
1
2
3
4
CL1681
PW 5V
1
2
3
4
BOOT
VIN
SW GND
IC1621
(SYNCHRONOUS
STEP-DOWN
SS
EN
COMP
FB
CONVERTER)
8
7
6
5
8
7
6
5
VIN
BST
SW GND
IC1641
(SYNCHRONOUS
STEP-DOWN
CONVERTER)
EN
FB
PVCC
SS
1
2
3
4
8
7
6
5
VIN
BST
SW GND
IC1661
(SYNCHRONOUS
STEP-DOWN
CONVERTER)
EN
FB
PVCC
SS
1
2
3
4
IC1711
(DC-DC CONVERTER)
6
1
VIN
FB
2
5
CTRL COMP
4
GND
3
SW
CL1611
CL1621
CL1631
CL1641
CL1651
CL1661
IC4303
(REGULATOR)
VIN
VSS
VOUT
3
2
1
IC4510
(REGULATOR)
VIN
VSS
VOUT
3
2
1
CL1671
CL1774
5
4
VOUT
CE
IC1774
(REGULATOR)
VIN
VSS
NC
1
2
3
CL1684
CL1683
HC-X1 POWER SUPPLY CIRCUIT(3) BLOCK DIAGRAM
PW HDM1.2V
PW REG1.2V
PW MOS2.3V
PW DDR1.2V A
PW DDR1.2V B
PW VID1.0V A
PW DDR1.0V A
PW ANA1.0V A
PW VID1.0V B
PW DDR1.0V B
PW ANA1.0V B
PW FPG1.0V
XLR1 9V
PW AUD9V
PW AUD12V
(To XLR REAR P.C.B.)
PW EVF10V
(To EVF UNIT)
PW LCD BL OUT
(To LCD UNIT)
E LCD BL IN
(From LCD UNIT)
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