Panasonic Lumix DMC-GH4H series User Manual

73
12.7. Power(1) Block Diagram
DMC-GH4 POWER(1) BLOCK DIAGRAM
BAT+
CC1901
BAT THERMO
CC1902
F1901
BAT-
CC1903
IC9102
(SYSTEM IC)
POWERSWONH
EV3
(PW UNREG SYS)
PW UNREG
(VG UNREG)
(BAT2 BIAS)
(BAT2 THERMO)
TO
BATTERY
RSTB
(POWER SW IN)
(POWER ON L)
(SYS RESET)
IC6001
(VENUS ENGINE)
GPIO33
T7
U7
H7
AD1 IN2
AD0 IN5
AD0 IN1
(BAT THERMO)
AD0 IN0
RESETOUT
IC9103
(REGULATOR)
3
4
6
52
1
VSS
VIN
VOUT
CE
NC
NC
CL1903CL1901
CL1902
CC9005
CL1001
CL9101
(BAT2 SEL)
(BAT2 ON)
(BAT1 SEL)
GPIO37
GPIO39
GPIO36
F1002
POWERSWONL
PIOD1
24-31
FP9004
21,42
FP9004
(BACK BAT+)
POWER SW
TOP OPERATION UNIT
Wi-Fi BG FPC
FLASH P.C.B. UNIT
PW D1.0V
PW D1.0V A
PW D1.0V B
G D1.0V FB
RL9118
ON
OFF
BACKUP BATTERY
B8531
BATT
123
4 6
5
Q1903
BATTERY GRIP
TERMINAL
1 2 3
46
5
Q1907
Q1901
Q1905
Q1909
5
1
4
3
2
IC1901
(AND GATE IC)
(BAT1 ON)
1 2 3
46
5
Q1908
Q1910
23
FP9004
13
FP9004
(VG ON DET)
20
FP9004
(VG ON DET)
(EVR 3V)
(SYS RESET)
DDR ISO EN
M8
K9
BACKUP CTL1
(BACKUP CTL1)
(BACKUP CTL2)
(BACKUP CTL1)
(BACKUP CTL2)
DDR CKEIN
G12
L11
BACKUP CTL2
BACKUP CTL4
(BACKUP CTL4)
(POWER SW IN)
19
FP9004
RL7913,7917
RL7905,7914
RL7909
RL7912
RL7903
RL7901
Q1906
5
1
4
3
2
IC1902
(AND GATE IC)
1
FP9002
41
FP8501
24
FP8501
3
FP8503
W1
(SW UNREG1)
(BAT2 THERMO)
(VG KEY IN)
PW D3.15V
W2
GPIO38
P7
P6
N6
R7
V2
A21
AD2 IN2
(VG EXMOV DET)
U4
D2
K6
B5
K7
H5
19
FP9002
CL9002
RL7512RL7509
QR1001
6
5
4
3
1
2
IC1091
(SYNCHRONOUS STEP-DOWN CONVERTER)
6
8
3
1
SW
SS
+
-
UGATE
UGATE
VREF
COMPARATOR
VIN
PVCC
EN
CONT.
DC
REG
EN
ON-TIME
SOFT-START
GND
(PW DRAM1.2V)
(PW DRAM1.2V A)
DRIVER
4
FB
5
7
BOOT
2
CL1091
VREGA
(From IC1001-29)
PW D1.2V
DDR VDD2
AG4
AD21
IC6201
(REGULATOR)
2
3
4
1
VOUT
GND
VCC
CE
DDR VDDQ
IC6204
(REGULATOR)
3
2
1
4
VOUT
VIN
GND
CE
A3
A24
(PW DRAM1.8V)
PW D1.8V
PW D1.0V B
DDR VDD1
AE2
IC6202
(REGULATOR)
2
3
4
1
VOUT
GND
VCC
CE
IC6205
(REGULATOR)
3
2
1
4
VOUT
VIN
GND
CE
C26
(PW DRAM1.0V)
DDR VDD10
H5
IC6203
(REGULATOR)
2
3
4
1
VOUT
GND
VCC
CE
C1
IC6206
(REGULATOR)
4
3
1
25
6
VIN
DELAY
GND
CE
VOUT
BIAS
K11
(POWER CTL SW)
POWERCTLSW
(BACKUP CTL3)
BACKUP CTL3
L9
J9
GPIO52
(G I2C CK)
A8
GPIO53
(G I2C DAT)
G I2C CK
(To IC1001-18)
G I2C DAT
(To IC1001-19)
B8
(VG DET/VG EXMOV DET)
(VG KEYIN/EXMOV RDY)
OVERCUT
H8
FBREG
K10
POWER
CTL SW
POWERONH
(POWER CTL SW)
POWER CTL SW
(To IC1001-17)
PIOB5
(IS PWR ON3)
IS PWR ON3
(To QR1701-2)
(IS PWR ON1)
(IS PWR ON4)
IS PWR ON1
(To QR9002-B)
IS PWR ON4
(To IC9002-3)
(POWER ON H)
POWER ON H
(To IC1001-16)
E8
H9
CL1002
CL1003
RL9115
To FP9001-50
RL9131
PIOA7
PIOB7
D11
L9
CH9102
J7
BACKUP CTL5
J10

Panasonic Lumix DMC-GH4H series Specifications

General

Brand	Panasonic
Model	Lumix DMC-GH4H series
Category	Digital Camera
Language	English