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12.2. System Control Block Diagram
DMC-GH4 SYSTEM CONTROL BLOCK DIAGRAM
IC6001
(VENUS ENGINE)
IC9102
(SYSTEM IC)
(SHUT HALF)
POWER ON LED
PW D3.0V
(CMD DIAL T1)
(CMD DIAL T0)
R25
SO
SI
SCLK
OSC IN
X9101
(32.72kHz)
OSC OUT
(S SYS SDIN)
(S SYS SDO)
(S SYS SCK)
(SHUT HALF)
(S SYS SDIN)
(S SYS SDO)
(S SYS SCK)
RL9107
RL9117
RL9101
RL9109
RL9108
FP9008
9
FP9008
13
FP9008
6
REAR OPERATION UNIT
TOP OPERATION UNIT
FLASH P.C.B. UNIT
(REAR KEYIN1)
(REAR KEYIN2)
WB
ISO
CS
(S SYS CS)
(S SYS CS)
RL9102
H1 GPIO32
J3 GPIO30
J4 GPIO31
J2 GPIO29
GPIO231
AD0 IN4
AD0 IN3
AD1 IN0
W4
SHUTTERHALF
(LED PWR OUT)
Wi-Fi LED
AF LED
PW D4.9V
FP8503
7
FP8503
8
FP8503
11
FP8503
12
FP8501
29
FP9002
14
FP9002
15
FP8501
28
FP8503
9
FP8503
10
FP8501
25
FP9002
18
FP9002
20
FP8501
23
FP8503
1
FP8503
2
FP8501
22
FP9002
21
AF/AE LOCK
RIGHT
UP
LEFT
DOWN
MENU/SET
DISP.
P26
P25
FP9008
3
(CROSS KEYIN)
GPIO226
GPIO225
D20
FP9008
5,10,15
FP9008
4
FP9008
17
FP9008
11
FP9008
8
FP9008
12
FP9008
7
FP9008
14
(CMD DIALT0)
(CMD DIALT1)
(SET ON L)
FP9008
18
(DEL ON L)
(DISP ON L)
(REC ON L)
(FN2 ON L)
(RIGHT ON L)
(LEFT ON L)
(DOWN ON L)
(FN3 ON L)
(UP ON L)
(AF AE LOCK)
(Blue)
(Green)
FP8503
14
Wi-Fi/Fn1
FP8503
13
EXPOSE
(LED WIFI OUT)
(LED AF OUT)
(LED AF OUT)
FP9008
16
PIOB4
FP9008
1
FP9008
2
(AF DIAL0)
(AF DIAL1)
CONTROL DIAL F0
CONTROL DIAL F1
FOCUS MODE
CL9003
[DELETE/CANCEL]/[Fn4]
MOTION PICTURE
Q.MENU/Fn2
AF MODE/Fn3
FP7201
40
FP7201
48
FP7201
49
FP7201
47
3
FP7200
TOUCH
PANEL
(TSP SDA)
(RE SX)
(TSP SCK)
(TSP INT)
FP9301
27
10
FP7202
FP9301
20
5
FP7202
FP9301
19
4
FP7202
FP9301
18
3
FP7202
GPIO238
T23
FP9301
58
41
FP7202
FP9301
1
(X PLAY ON)
(PLAY ON L)
(PLAY ON L)
LCD IF P.C.B.
MR1 SWITCH FPC UNIT
MR3 SWITCH FPC UNIT
PLAY
PIOA5
PIOA4
PIOA6
PIOD2
MODE DIAL
LEDOUT1
(LED WIFI OUT)
(LED PWR OUT)
LEDOUT0
LEDOUT3
LEDOUT2
(AF DIAL0)
PIOA2
(AF DIAL1)
PIOA3
(SHUTTER0)
(SHUTTER1)
(CMD DIAL VR1/EXMOV POW ON)
SHUTTER0
AD0 IN9 W7
AD1 IN1 E20
AD0 IN6 V3
3
1
JK8501
FP8501
31
FP9002
12
(TOP KEYIN)
AD0 IN7 V4
FP8501
26
FP9002
17
FP8503
6
(MODE DIAL0)
(MODE DIAL1)
FP8501
27
FP9002
16
FP8503
5
GPIO26 K3
GPIO158 G17
FP8501
36
FP9002
7
FP8502
2
FP8501
34
FP9002
9
FP8502
3
GPIO162 G19
FP8501
33
FP9002
10
FP8502
4
(SHUTTER FULL)
(SHUTTER HALF)
(SHUT FULL)
(SHUTTER0)
(CMD DIAL F0)
(CMD DIAL F1)
GPIO228 P24
GPIO233 R23
FP8501
35
FP9002
8
FP8504
2
FP8501
30
FP9002
13
FP8504
3
(CMD DIAL R0)
FP8501
37
FP9002
6
FP8501
39
FP9002
4
FP8501
40
FP9002
3
(REMOTE ZOOM)
(REMOTE REC)
(AV KEY DET)
AD0 IN11 V7
GPIO157 F17
(CMD DIAL R1)
FP8501
32
FP9002
11
FP8502
5
FRONT DIAL
UNIT
REAR DIAL
UNIT
REMOTE TERMINAL
FP9301
2
FP9301
13
(X LVF LCD ON)
(LCD EVF SEL)
(X MR1 SIG)
(LCD OPEN H)
(LCD ROTATE1)
(LCD ROTATE2)
(LCD TP RST)
(TP INT)
(TP INT)
(G I2C CK)
(G I2C DAT)
(G I2C CK)
(G I2C DAT)
(X MR2 SIG)
(X MR3 SIG)
LCD/LVF
MR1
MR2
MR SENSOR
FP9301
14
FP7301
1
FP7301
2
FP7301
9
FP7301
10
GPIO232
R24
GPIO52
A8
GPIO53
B8
Wi-Fi BG FPC
BATTERY GRIP TERMINAL
14
FP9004
17
FP9004
18
FP9004
22
FP9004
15
FP9004
(SHUTTER0)
16
FP9004
(EX AUD DIN)
(EX AUD DOUT)
(EX AUD MCLK)
7
FP9004
INTERFACE UNIT TERMINAL
3
FP9004
2
FP9004
(EX AUD FCLK)
1
FP9004
RL7924
RL7922
RL7921
RL7920
(CMD DIAL VF0/EXMOV SCK)
(CMD DIAL VF0)
(CMD DIAL VR1)
(EXMOV SW1 2A)
(S EXMOV SCK)
(CMD DIAL VR0/EXMOV SDIN)
(CMD DIAL VF1/EXMOV SDO)
43
FP9004
RL7908
RL7902
RL7910
RL7907
RL7904
RL7906
RL7916
(SW UNREG2)
(SW UNREG2)
GPIO230
R26
GPIO353
AD12
C4
B1
C2
B2
B3
A3
L7
E5
(AUD DIN CH3)
(AUD DIN CH3)
M1
RL9123
GPIO16
ADOUTC H1
K1
G4
J1
H3
L5
K5
E9
ADOUT K2
G7
F6
J11
C5
4
2
Q9003
6
5
4
1
2
3
V1
PW A1.8V
PW A1.8V
X6001
(24MHz)
AC27
MCKI
AD27
MCKO
INT2
4
SCL
IC2701
(TILT SENSOR)
6
SDI
GPIO322
GPIO323
AF14
AD15
(ACCEL IRQ1)
(ACCEL IRQ2)
11
9
INT1
RL2702
RL2701
RL8531
IC9001
(ANALOG SWITCH)
IC9101
(ANALOG SWITCH)
IC9105
(MOS LOGIC)
3
8
10
9
2
1
COM1
NC1
NC2
4
NO2
7
IN2
5
GND
1OE
1A
1Y
6
COM2
V+
NO1
IN1
PW D3.15V
3
1
7
2
1
3
8
10
9
2
1
COM1
NC1
NC2
4
NO2
7
IN2
5
GND
6
COM2
V+
NO1
IN1
PW D3.15V
AUD DOUT
(IC6001-G2,IC9102-K3)
AUD FCLK
(IC6001-G4,IC9102-L2)
AUD MCLK
(IC9102-H4)
PW D3.15V
2OE
2A
2Y
GND
6
4
5
4OE
4A
4Y
11
13
14
12
3OE
3A
3Y
VCC
8
10
9
GPIO159
F18
AD1 IN3
B21
GPIO56
C9
(S EXMOV SDO)
GPIO58
A7
(CMD DIAL VF1)
GPIO161
F19
(CMD DIAL VR0)
GPIO160
G18
(S EXMOV SDIN)
(AUD DIN)
(EXMOV SW 2B)
(EXMOV SW1 2A)
(EXMOV BUF ON)
GPIO57
D9
GPIO47
G3
GPIO358
AF10
GPIO353
AD12
RL9133
GPIO333
AA17
SLSW-A
SLSW-B
RL9106
RL9105
Summary of Contents for Lumix DMC-GH4A
Page 20: ...20 ...
Page 21: ...21 ...
Page 22: ...22 ...
Page 23: ...23 4 2 Lens ...
Page 25: ...25 5 2 Lens ...
Page 29: ...29 7 Troubleshooting Guide 7 1 Checking Method of Body and Interchangeable Lens ...
Page 30: ...30 ...
Page 31: ...31 ...
Page 32: ...32 ...
Page 33: ...33 ...
Page 38: ...38 7 4 Failure Diagnosis of NFC ...
Page 44: ...44 9 1 2 P C B Location ...
Page 47: ...47 Fig D2 Fig D3 9 1 3 2 Removal of the Main P C B Fig D4 ...
Page 49: ...49 Fig D8 9 1 3 5 Removal of the Top Case Unit Fig D9 Fig D10 ...
Page 50: ...50 9 1 3 6 Removal of the Battery Case Unit and Capacitor P C B Unit Fig D11 Fig D12 ...
Page 51: ...51 9 1 3 7 Removal of the Wi Fi NFC P C B and NFC Unit Fig D13 Fig D14 ...
Page 52: ...52 9 1 3 8 Removal of the Tripod and Wi Fi BG FPC Fig D15 Fig D16 ...
Page 53: ...53 9 1 3 9 Removal of the Mount Box Unit Fig D17 Fig D18 ...
Page 55: ...55 Fig D21 Fig D22 ...
Page 56: ...56 9 1 3 12 Removal of the LCD IF P C B Fig D23 Fig D24 ...
Page 58: ...58 Fig D27 Fig D28 ...
Page 61: ...61 Fig D33 9 1 3 19 Removal of the EXT Mic P C B Unit Fig D34 ...
Page 62: ...62 9 1 3 20 Removal of the Flash P C B Unit Fig D35 Fig D36 ...