Panasonic TH-65LFB70E Service Manual ▷ View online
Diagnosis flow chart
Is a test pattern
displayed normally?
Is a part abnormal
even in test pattern?
-Is the whole abnormal
even in a test pattern?
even in a test pattern?
or
-A test pattern is not displayed
but is the state of LED blink of
red and orange?
but is the state of LED blink of
red and orange?
A test pattern is not
displayed but is the state
of LED green lighting?
Yes
It displays.
Failure of A-Board
No
It is still abnormal.
It is still abnormal.
Yes
It is abnormal.
Failure of LCD Panel
(rarely failure of A-Board)
Yes
It is abnormal.
Failure of A-Board
or
Rarely LCD Panel
Yes
It is blinking.
Yes
It is green lighting.
Failure of A-Board
No
- The whole is not abnormal.
- It is not blinking.
- The whole is not abnormal.
- It is not blinking.
No
This is not an abnormality of part
This is not an abnormality of part
Vertical line Horizontal line Color
Vertical bar Horizontal bar unevenness
Vertical bar Horizontal bar unevenness
Vertical line/ An image is
Vertical bar not displayed
LED blinking
21
Diagnosis of Touch Panel
When a touch panel does not work, narrowing down of the failure part of a setup, and a touch panel or A-Board can be
performed.
performed.
Is a touch panel setting
carried out?
Is the motion picture of a
USB memory played back?
No
Check Touch Panel setting
Yes
Failure of touch panel
Yes
Failure of A-Board
No
22
HDMI2
JK2104
A-BOARD
A13
DS-BOARD
DS13
LCD PANEL
P-UNIT
MAIN IN
A2
P1
P3
A7
JK2101
YUV
VIDEO IN
RCA
JK4004
V1-BOARD
A22
V2-BOARD
V22
P4
A5
P5
A4
P6
A37
HX37
HX-BOARD
DS2
DS3
A27
HX27
JK3503
RS-232C
Input
JK3501
SP_out_R
JK3504
JK3502
PC OUT
JK2106
JK2103
PC IN
HDMI1
A10
DS10
A17
SPK
A40
SERVICE
A57
TOUCH
A1
SP_out_L
JK3506
H1-BOARD
A47
H47
USB1
JK3802
JK3801
USB2
A11
V11
FAN
Audio IN
Audio IN
JK2105
DVI
JK2107
ETHERNET
JK2701
WIFI
JK4801
CN2703
SERVICE
CN4002
SERVICE
P2
Wiring Diagram
TCON
23
42,43
Block Diagram (1/3)
Y,PB,PR
JK2103
PR_COMP
PB_COMP
Y_COMP
PB_COMP
Y_COMP
CVBS
V
IC2105
C1AB00003384
AV SWITCH
97
93
95
93
95
17
AUDIO_L_M3
L
R
JK2101
AUDIO_R_M3
62
63
Audio IN
JK2104
PC
G_PC
B_PC
1
2
3
2
3
12,15
R_PC
3
1
99
HS_PC
VS_PC
VS_PC
13
14
14
2
100
IC2103
EEPROM
SDA,SCL
IC2108
Logic IC
IC2109
Logic IC
A1
TO P
ANEL
45,47
PNL3.3V
40-35
33,32
30-27
24-19
17,15
14-11
1-4
PNL12V
LVDS TX CHB EVEN
LVDS TX CHB ODD
A2
TO P
ANEL
32-27
25,24
22-19
16-11
9,8
6-3
LVDS TX CHA EVEN
LVDS TX CHA ODD
IC9100
[C1AB00003847]
Image Processor
157-162
164-169
142-147
149-154
128-133
135-140
113-118
120-125
IC9250
DDR2
DDR Address
(0-12)
DDR Data
(0-15)
LVDS RXA
1-6
10-15
LVDS RXB
16-21
25-30
IC4001
[C1AB00003896]
Image Processor
LVDS OUTPUT 1
ODD
EVEN
OEBLK
FRC_XRST
FRC_DONE
SCX1_Input A from ASIC A
IC8001
[C1AB00002899]
ASIC
ASIC Digital output 2
R(9-0),G(9-0),B(9-0)
Control
SCX1_Input B from ASIC B
ASIC Digital output 1
R(9-0),G(9-0),B(9-0)
Control
IC5401
[C0ZBZ0001568]
LVDS Transmitter
ASIC L
VDS Input
CHA
CHB
71-68,65-62,59-56
53-50,47,46,41-38
A10
TO DS10
2-3,5-6,8-9,11-12
14-15,17-18,20-21
23-24,26-27,29-30
32-33
LVDS
LVDS
65
IIC_CONT
64
5V_SDA3
63
5V_SCL3
5V_SAD3
5V_SCL3
SCX1
ARM IIC
60
DS_SOS
DS_SOS
L1
58
5VRXD_TU
59
5VTXD_TU
IC4008
Logic IC
1,2
6
5VTXD_TU
LED_G_0
12,13
LED_R_0
4,5
3VTXD_TU
9,10
LSI_RESET
5VNRST
8 11
LED_RED
3
LED_GREEN
LED_G_0
LED_R_0
AL24
AL26
A
11
TO V11
1
4
3
5
8
7
F3.3V
BACKLIGHT
LED_GREEN
LED_RED
A_REMOCON
STB5V
3VTXD_TU
IC4016
Logic IC
1,2
5VRXD_TU
4
3VRXD_TU
3VRXD_TU
RXD,TXD
Tuner
STB3.3V
5
57
RTC_INT
RTC_INT
AB31
55
REMOCON_OUT
IC4018
Logic IC
1,2
A_REMOCON
4
REMOCON_OUT
STB5V
5
A_REM_IN
A_REM_IN
AC31
54
5VNRST
53
S2_DET
S2_DET
18
52
LAN15V_ON/OFF
LAN15V_ON/OFF
AJ3
51
15V_ON/OFF
15V_ON/OFF
AH5
SW_5V
15V_ON/OFF
PWR5V
5V
SW_15V
15V_ON/OFF
PWR15V
15V
49
AUDIO_L_DS
47
AUDIO_R_DS
67
AUDIO_R_DS
66
AUDIO_L_DS
STB3.3V
STB3.3V
DPMS_ V D_SCX1
DPMS_ HD_SCX1
DPMS_HD_SCX1
AD30
AD29
DPMS_VD_SCX1
A22
TO V22
5
1
6
P_STB5V
KEY_INPUT
MAIN_SW
KEY_INPUT
L5
MAIN_SW
AC30
SW_STB5V
MAIN_SW
P_STB5V
STB5V
MAKE_ALL_OFF
MAIN_SW
P_STB5V
STB5V
STB3.3V
ALL_OFF
ALL_OFF
AN25
JK2105
DVI
DDCD_SDA,SCL
DVI_DET
TMDS_RXC_P/N
TMDS_RX0_P/N
TMDS_RX0_P/N
TMDS_RX1_P/N
TMDS_RX2_P/N
IIC_CONT
IC2112
SW
IIC_CONT
AG1
IIC_CONT
IC2509
C1AB00003048
AD AV
G4,F4
IC2110
EEPROM
L2121
DVI_DET2
AL1
DVI_DET
SDA2,SCL2
IC2111
Logic IC
F3V_SDA2,SCL2
SDA1,SCL1
IC2104
Logic IC
3V_SDA1,SCL1
IIC2
AL27
AK27
AP26
AJ27
IC4013
Clock Generator
10,11
9
IC4019
Logic IC
CLKM_20MHz
28M_CLK2
IC4004
Logic IC
IC4020
Logic IC
28M_CLK
8
2
SPG_RESET
F3.3V
C15
28M_CLK
SPG_RESET
AN3
C15
CLKM_20MHz
IC5402
[C1AB00004213]
HDMI Receicer
28M_CLK
89
12,7,4
B5,A5
B4,A4
B3,A3
B2,A2
B4,A4
B3,A3
B2,A2
DIGIT
AL
INPUT
JK2106
HDMI1
HDMI1_CK_P/N
HDMI1_0_P/N
HDMI1_0_P/N
HDMI1_SDA,SCL
HDMI1_DET
HDMI1_1_P/N
HDMI1_2_P/N
HDMI1_2_P/N
HDMI1_DET
AM3
HPD1
HPD1
AM4
D2,D1
E2,E1
F2,F1
G2,G1
H4,J4
DIGIT
AL
INPUT
IC2101
EEPROM
Q4006
Q2329
Q2401
Q2405
Q2404
JK2107
HDMI2
HDMI2_CK_P/N
HDMI2_0_P/N
HDMI2_0_P/N
HDMI2_SDA,SCL
HDMI2_DET
HDMI2_1_P/N
HDMI2_2_P/N
HDMI2_2_P/N
HPD2
J2,J1
K2,K1
L2,L1
M2,M1
P4,R4
P4,R4
DIGIT
AL
INPUT
IC2102
EEPROM
HPD2
AM1
AL3
HDMI2_DET
P2,P1
R2,R1
T2,T1
U2,U1
T4,U4
DIGITAL INPUT
HDBT_CK_+/-
HDBT_0_+/-
HDBT_1_+/-
HDBT_2_+/-
IC2701
VS100
TRANSMITTER/
RECEIVER
L19,L20
N19,N20
R19,R20
U19,U20
W19,Y20
HDBT_5VDET
HDBT_HPDT
Y19
Y18
HDBT_5VDET
AM2
JK2701
ETHERNET
HDBT_0
HDBT_1
HDBT_2
HDBT_2
HDBT-3
W3,Y3
Y4,W4
W8,Y8
Y9,W9
T2701
IC2704
SPI FLASH
5
6
1
2
F1
E1
G1
D1
SDA
CS
MO
SCL
JK4801 WIFI
1
2
3
IC4803
SW
6
1
3
4
F5V
USBP2_N
USBP2_P
SCX_USBOC2
IC4815
Logic IC
SCX_USBOC2
AH3
4
1
2
IC4801
[C2GBC0000383]
Secure Media
Processor
SCX_USBPSW2
AG6
SCX_USBPSW2
WL_EN
WL_EN
W14
IC4802
[C1CB00003456]
USB 2.0HUB
Controller
3
4
27
30
31
USB_PWR
USB_OC
USB_DM0
USB_DP0
USB_VBUS0
USB_PWR
USB_OC
USB_DM0
USB_DP0 Y6
W6
W7
USB_VBUS0
V15
U14
CN4002
STB5V
1
4,3
5
F3V_SDA2,SCL2
3V_SDA1,SCL1
IIC_INT
AN24
IIC_INT
3V_SCL4,SDA4
IC4022
EEPROM
3V_SDA4,SCL4
AP27
AJ27
IC4021
Logic IC
3V_SCL4,
SDA4_SW
3V_SDA4,SCL4
_SW
D16
D17
HDBT_SDA,SCL
CN2703
LAN5V
1
4,3
5
HDBT_SCL,SDA
EDID_WP
IC2703
EEPROM
IC4006
EEPROM
P3V_SDA2,SCL2
28,29
IC4009
Temp Sensor
AN27
AM27
3V_SDA3,SCL3
A40
SERVICE
10
6,7
8,9
4,5
1
STB3.3V
3V_SDA1,SCL1
F3V_SDA2,SCL2
3V_SDA3,SCL3
TXD_PC
RXD_PC
11
12
IIC_CONT
A7
4
FAN
FAN_SOS
FAN_SOS
L2
TOUCH
1
2
3
IC4812
SW
6
1
3
4
F5V
USBP3_N
USBP3_P
SCX_USBOC3
IC4813
Multiplexer
7
8
A57
SCX_USBPSW3
SCX_USBOC3
AH4
AH1
SCX_USBPSW3
1
2
3
4 USBP4_N
USBP4_P
USB_DM1
USB_DP1
USB_DM1
USB_DP1 Y9
W9
A13
TO DS13
1-5
PWR15V
11
SUB5V
SCX_USBOC1
AG3
AG5
SCX_USBPSW1
1
2
USBP1_N
USBP1_P
USBP1_P
TO H47
USBP4_N
USBP4_P
A47
1
2
4
5
6
7
9 USB_VBUS1
USB_VBUS1
W8
USB_VBUS1
IC4804
SW
6
1
3
4
F5V
SCX_USBPSW1
SCX_USBOC1
USBP1_N
USBP1_P
IC2004
AUDIO AMP
(C1AB00003705)
32-34
28-30
A17
1
2
SP- L
SP- R
3
4
L-
L+
L+
R-
R+
25-27
21-23
8 9 10 11
PWM2_SQ_L-
PWM2_SQ_L+
PWM2_SQ_R-
PWM2_SQ_R+
PWM2_SQ_L-
PWM2_SQ_L+
PWM2_SQ_R-
PWM2_SQ_R+
N23
N22
N22
M23
M22
M22
AUDIO OUTPUT
IC2002
AUDIO AMP
(C1AB00003705)
32-34
28-30
25-27
21-23
8 9 10 11
PWM_SQ_L-
PWM_SQ_L+
PWM_SQ_R-
PWM_SQ_R+
R-
R+
L-
L-
L+
A27
1
2
3
4
2
3
4
TO HX27
TO HX37
A37
1
3
4
5
6
2
TX_PC
RX_PC
IC21
13
RS-232
16
17
15
13
RXD_PC
TXD_PC
VSYNC_PCOUT
HSYNC_PCOUT
IC5104
Logic IC
6
3
4,1
B_PCOUTN
B_PCOUT
7
8
G_PCOUTN
G_PCOUT
9
10
R_PCOUTN
R_PCOUT
14
15
AUDIO_R_M3_2
AUDIO_L_M3_2
IC5102
VIDEO DAC
27
28
31
32
33
34
PWM_SQ_L-
PWM_SQ_L+
PWM_SQ_R-
PWM_SQ_R+
R23
R22
R22
P23
P22
P22
LVDS OUTPUT 2
ODD
EVEN
IC5101
Spartan-6
FPGA
3-10
16-23
41-48
B (0-7)
G (0-7)
R (0-7)
IC4002
IC4003
DDR2
1+1GBit
1.5V
LVDS
LVDS
LVDS
LVDS
LVDS
AUDIO_R_M3_2
AUDIO_L_M3_2
59
58
58
AUD_R
AUD_L
49
50
50
AUD_R
AUD_L
A21
B21
Analog Sound Input
31
G/Y_OUT
RGB_CVBS
Q2503
Q2504
32
ADV_HD
33
B/PB_OUT
Q2502
34
ADV_VD
35
R/PR_OUT
Q2501
CVBS_OUT
ANMPIN
IC2114
Logic IC
CLAMPY
ANMPIN
CLAMPY
CLAMPY
AJ26
P3
SCX2 Video
G/Y_OUT
RGB_CVBS
ADV_HD
B/PB_OUT
ADV_VD
R/PR_OUT
A14
A15
A15
A12
A13
A13
D12
D13
AUDIO INPUT
VIDEO
DIGITAL OUTPUT
VIDEO
R(9:0), G(9:0), B(9:0)
Control
ASIC Digital input
R(9-0),G(9-0),B(9-0)
Control
Digital input
76-81,84-87;88-92,95-99;
100-103,106-108,110-112;
7,8,9,15
LVDS_R(0-9),G)(0-9),B(0-9)
Control
Digital output
38,36-30,28,27;53-51,49-43;
67-63,61-57;42,73,72,71
2,3; 5,6; 8,9; 11,12;
100,98,97
L1,L2;M1,M2;N1,N2;P1,P2;
P6,N6,M6
SIG_RXC-/+;RX0-/+
RX1-/+;RX2-/+
SIG_HPD,SDA,SCL
LSI_RESET3
LSI_RESET3 1
1
SPDIF1
SDIN1
BCLK1
LRCLK1
U20
T20
N20
N21
T20
N20
N21
SPDIF1
SDIN1
BCLK1
LRCLK1
74
75
79
80
79
80
DTV Sound
Input
83,84
AD76_SDA3 SCL3
Q4001
Q4002
AD76_SDA3
SCL3
LSI_RESET
86
IC9350
SPI FLAHS
PNL3.3V
FRC_SDA
SCL
198,200
IC4005
Logic IC
3V_SDA4
SCL4
IC4007
FLASH
MEMORY
STB3.3V
IC4820
IC4830
DDR2
2+2GBit
S1.5V_DDR
IC4023
[C0JBAZ000851]
Logic IC
2,5
1,4,10,13
UART_SEL1
RXD_SW3
3
UART0_RXD(Sigma)
6
PMS_TX
Q2711
PMS_RX
9
PMS_RX
VJ2850
PMS_TX
8,11
TXD_SW3
12
UART0_TXD(Sigma)
IC4024
[C0JBAZ000851]
Logic IC
2,5
1,4,10,13
UART_SEL2
RXD_PC
3
RXD_SW3
6
RXD_PC_M
9
8,11
12
UART_SEL1
AK25
UART0_RXD/TXD
B14
A14
PMS_RX
A12
PMS_TX
B12
UART0_TXD(Sigma)
UART_SEL2
AL2
TXD_SW3
TXD_PC
TXD_PC_M
RXD_PC_M
AB30
RXD_PC
AA32
TXD_PC
IC4015
[C0JBAZ000851]
Logic IC
2,5
1,4,10,13
UART_SEL1
PC_TXD
3
HDBT232C_TXD
6
TXD_PC_M
9
8,11
12
RXD_PC_M
PC_RXD
HDBT232C_RXD
A4
1-3
7
9
10
PANEL_SOS
DCR_VBR
SUB_ON
PANEL_SOS
M5
DCR_VBR
AJ8
DCR_VBR
AM25
Q2318
Q2327
SW_SUB5V
LINE_OFF
STB5V
SUB5V
Q2331
A5
1-2
5-6
9
11
MAIN_ON
LINE_OFF
5V_ON
14
15
MAIN_ON
AJ25
5V_ON
AM24
PWR15V
L2311
FAN15V
PWR24V
PWR5V
P_STB5V
3,6,9
LAN_VOL_1V
IC2903
DC/DC
7,8
2
LAN5V
PWR15V
IC2904
Reg
3
4
LAN3.3V
IC2902
DC/DC
3
2
LAN1.8V
IC2905
DC/DC
7,8
2
LAN1.0V
LAN5V
IC2333
DC/DC
3
2
F3.3V
PWR15V
LAN5V
IC2512
Reg
4
3
1.8V
IC2513
Reg
4
3
1.8V
IC2350
DC/DC
7,8
2,3
F5V
PWR15V
IC2511
Reg
4
3
3.3V
IC2510
Reg
4
3
3.3V
IC2312
DC/DC
3
2
F1.2V
PWR15V
Q2308
1.2V
IC2420
DC/DC
8
7
PNL12V
PWR24V
IC9301
DC/DC
6
8
FRC1.0V
IC9302
DC/DC
6
8
FRC_1.8V
IC2450
DC/DC
8
7
SOUND15V
PWR24V
SOUND15V
SOUND15V
IC2377
DC/DC
3
2
FAN_VOL_1V
FAN15V
IC4807
DC/DC
7,8
2
S1.0VLAN
PWR5V
IC4808
DC/DC
3
2
NS3.3V
PWR5V
IC2315
DC/DC
3
2
S1.5V
PWR5V
Q2354 1.5V
JS4806
S1.5VLAN
PWR5V
Q2327 5V
IC4017
DDR Termination
3.3V
L4019 1.5V_DDR
1.5V_DDR
0.75V_DDR
DDR_REF
DDR_REF
S3.3VLAN
Q4801
IC4809
Reg
1
8
S2.5VLAN
NS3.3V
3.3V
PWR15V
Q2318 15V
IC2390
Reg
4,2
3
9V
RESET_IN
R1
IC2702
Logic IC
3V3
14
STB5V
Q2329
STB5V
IC4011
Reg
3
4
STB3.3V
STB5V
IC4012
Reg
3
4
STB1.2V
STB3.3V
IC4805
Reg
4
3
3.3V_SIG
2.5V_PLL
IC4806
Reset IC
2
4
S3.3VLAN
SYS_RESET
IC4810
NAND FLASH
IC5403
Reg
4
3.3V
1.8V
3.3V
IC8003
Reg
2,4
3
1.8V
3.3V
IC9303
Reg
1
5
FRC_2.5V
5V
FRC_2.5V
FRC_1.8V
FRC1.0V
PNL3.3V
IC9351
Reg
3
4
PNL3.3V
5V
5V
9V
3.3V
5V
3.3V
5V
1.8V,3.3V
5V
5V
LAN3.3V
LAN1.8V
LAN1.0V
3V3
S3.3VLAN
S3.3VLAN
3.3V
S3.3VLAN
S1.5VLAN
S1.0VLAN
S2.5VLAN
S3.3VLAN
STB3.3V
STB3.3V
STB3.3V
STB3.3V
STB5V
L8011
1.8V
ASIC1.8V
L8012
3.3V
ASIC3.3V
ASIC1.8V ASIC3.3V
1.5V_DDR
STB3.3V
STB1.2V
F3.3V
F1.2V
FRC_1.8V
3.3V 1.2V
5V
12
9V
TO P6
TO P5/P2
A-BOARD
IC4014
Reset IC
A1
1,B1
1
IIC0_SDA,SCL
3V_SDA4,SCL4
PWR5V
STB3.3V
ANMPIN
IC4026
IC DUAL SW
F3.3V STB3.3V
GIO
VCX0_CLKIN
AC3
AP25
Q4018
Q4019
Q4019
I2C_Level
shift
STB5V
5V_SDA3,SCL3
3V_SDA3,SCL3
USB_5V
24
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