70
12.4. Video/Audio Process(2) Block Diagram
DMC-GH4 VIDEO/AUDIO PROCESS(2) BLOCK DIAGRAM
IC9102
(SYSTEM IC)
(MIC L IN)
(G MIC LIN)
(G MIC RIN)
(G MIC LIN)
(G MIC RIN)
(MIC GND)
(MIC GND)
(MIC R IN)
CL9102
CL9103
CL9005
CL9111
CL9108
CL9110
CL9109
CL9004
2
3
USB-
7
USB+
5
8
CABLE DET
1
(AV CAB DET)
(G LINE OUT)
(G VIDEO JOUT)
CL2004
CL2007
CL2006
CL2019
CL2018
CL2021
CL2020
CL4503
CL4504
CL4506
CL4505
CL2009
CL2010
1
4
3
2
JK2001
AV OUT/DIGITAL
TERMINAL
JK2003
LINE OUT L
VIDEO OUT
USB CAB IN
4
A GND
PIOA1
L2001
LINEOUTL
CL2002
CL4501
CL2005
F2001
(G SP POG)
(G SP NEG)
SPPOS
SPNEG
SPEAKER
5,6
FP9301
7,8
FP9301
5
FP7301
6
FP9301
MR1 SWITCH
FPC UNIT
HOT SHOE FPC
CL9105
CL9107
+
-
ECM(L)
RL4405
RL4404
RL4403
RL4402
RL4406
FP9005
5
FP9005
6
MICINL1
CL9106
+
-
ECM(R)
FP9005
4
FP9005
3
FP4401
1,2
FP9005
36,37
MICINR1
MIC UNIT
PW D4.9V
FP7101
2
FP7101
1
FP7101
3
FP7101
4
PIOC3
CL9104
Q9101
Q4401
IC4403
MICINC2
MICINR2
EXT MIC PCB UNIT
FP9005
31
FP4401
7
FP9005
32
FP4401
6
FP9005
33
FP9005
29
FP4401
9
FP4401
5
(EXT MIC RINA)
(EXT MIC LINA)
FP9005
28
FP4401
10
FP9005
30
FP4401
8
(EXT MIC DET)
(EXT MIC CINA)
(EXT MIC RINA)
(EXT MIC LINA)
(EXT MIC CINA)
(NO GUN DET)
(MIC AMP BIAS)
(NO GUN DET)
(USB DET 5V)
(EXMIC GND)
PW
EXMIC3.8V
JK4401
PW MIC3.8V
MIC AMP
9
24
20
23
22
21
8
7
SERIAL
IF
CSN
CCLK
CDTI
10 PDN
4
MCKI
LIN2
LIN1
RIN1
RIN2
3
2
1
AUDIO
INTERFACE
CLOCK
DIVIDER
DIGITAL
VOLUME
BASS
BOOST
DE-
EMPHASIS
DAC
(L ch)
HDP
AMP
HDP
AMP
19
MUTE
MUTE
DAC
(R ch)
DIGITAL
FILTER
LRCK
BICK
SDATA
HPL
HPR
15
VCOM
VCOM
13
14
LOUT
ROUT
IC4501
(DAC&HP AMP)
CL4502
(H PHONE DET)
(HP AMP PDN)
PIOD6
IC6001
(VENUS ENGINE)
57
FP9004
58
FP9004
54
FP9004
60
FP9004
55
FP9004
56
FP9004
C10
B10
GPIO66
GPIO328
GPIO67
GPIO68
GPIO69
GPIO65
GPIO64
A10
AE13
D10
B9
A9
(WIFI DATA1)
(WIFI DATA2)
(WIFI DATA3)
(WIFI CMD)
(G WIFI CLK)
GPIO325 AD14
(NFC INT)
GPIO237 T24
GPIO236 T25
(S NFC SDIO)
GPIO235 T26
(S NFC SCK)
(WIFI DATA0)
(WIFI DATA1)
(WIFI DATA2)
(WIFI DATA3)
(WIFI CMD)
(G WIFI CLK)
(NFC INT)
(S NFC SDIO)
(S NFC SCK)
(WIFI DATA0)
44
FP9004
(WIFI RESET)
(WIFI RESET)
45
FP9004
46
FP9004
50
FP9004
16
FP8101
17
FP8101
13
FP8101
19
FP8101
14
FP8101
15
FP8101
5
FP8101
6
FP8101
7
FP8101
10
FP8101
PIOB6
GPIO156
AD2 IN1
G16
U3
(EXT MIC DET)
G USB-
G USB+
To VIDEO/AUDIO PROCESS(1)
BLOCK DIAGRAM
Wi-Fi NFC P.C.B.
Wi-Fi BG FPC
HEADPHONES
TERMINAL
STEREO
MICROPHONE
TERMINAL
EXT MICROPHONE
TERMINAL
(OPTION)
GPIO52
(G I2C CK)
A8
GPIO53
(G I2C DAT)
B8
D10
D4
B9
(AUD FCLK)
C3
G11
F11
B6
B7
B11
C8
C7
D2+
3
D2-
5
D1+
6
D1-
8
D0+
9
D0-
11
12
CK+
CK-
14
CEC
15
SCL
17
SDA
18
1
1
5
6
2
3
7
8
4
1
5
6
2
3
7
8
4
JK2002
HDMI TXCM
HDMI CEC AA23
AF21
HDMI TX0P
HDMI TX2P
HDMI TX2M
HDMI TX1P
HDMI TX1M
AG22
AF22
AG21
FL2001
FL2002
HPDTCT
HDMI TX0M
HDMI TXCP
AF23
(G HDMI D2+)
(G HDMI D2-)
(G HDMI D1+)
(G HDMI D1-)
(G HDMI D0+)
(G HDMI D0-)
(G HDMI CK+)
(G HDMI CK-)
(HDMI CEC)
AF24
AG24
AG23
PW D3.15V
QR2002
QR2003
1
2
3
6
5
4
Q2001
Q2002
PW D3.15V
HDMI HPD AC24
(HDMI HPD)
HDMI SCL AB23
(G HDMI SCL)
GPIO10 P3
(READ SCL)
HDMI SDA AB24
(G HDMI SDA)
(AUD DCLK)
(AUD MCLK)
VOUT
(AUD DOUT)
J4
MICINL2 B8
IC9104
(REGULATOR)
2
3
4
1 CNT
GND
VDD
VOUT
GPIO46
GPIO44
G2
H4
GPIO48
GPIO45 G1
G4
USB VBUS AC18
HDMI
TERMINAL
11 SDIO DO
10 SDIO D1
15 SDIO D2
14 SDIO D3
13 SDIO CMD
12 SDIO CLK
29 RESET N
(Wi-Fi)
Wi-Fi
ANTENNA
31
VA
VB
VDD1
VDD
VDD2
NCLP
TX3V
IRQ3V
RX
VSS
3
7
2
10
12
11
14
5
DEMODULATION
CIRCUIT
LOAD SW DRV. CIRCUIT
MODULATION
DATA
LINEAR
REGULATOR
LINEAR
REGULATOR
ANALOG
CIRCUIT
SHUNT
CIRCUIT
LOGIC
CIRCUIT
CLAMP
CIRCUIT
PW D3.15V
4
6
NFC
ANTENNA
IC8102
(DUAL INTERFACE RFID)
1,2,3
FP8102
4,5,6
FP8102
2.4G ANT
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 ...