Read Panasonic TH-42LF5E / TH-47LF5E Service Manual online
Block Diagram
JK4004
HDMI
HDMI1_RXC +/-
HDMI1_RX0+/-
HDMI1_RX0+/-
HDMI1_SDA
HDMI1_SCL
HDMI1_SCL
HDMI1_5V
HDMI1_RX1+/-
HDMI1_RX2+/-
HDMI1_RX2+/-
IC4501
[C1AB00003627]
AUDIO VIDEO
PROCESOR
A/V INPUT
ANALOG
HDMI INPUT
B8, A8
B7, A7
B6, A6
B5, A5
B7, A7
B6, A6
B5, A5
HDMI_CEC
IC4706
C3EBDC000067
DDC EEPROM
5
6
6
7
EEP5V_HDMI1
8
EDID_WP
HDMI1_SDA
HDMI1_SCL
HDMI1_SCL
E18
Y1
JK4002
DVI IN
DVI_5V
DVI_SDA
DVI_SCL
DVI_SCL
TMDS_RXC+/-
TMDS_RX0+/-
TMDS_RX1+/-
TMDS_RX2+/-
TMDS_RX0+/-
TMDS_RX1+/-
TMDS_RX2+/-
HDMI INPUT
B4, A4
B3, A3
B2, A2
B1, A1
B3, A3
B2, A2
B1, A1
IC4703
C3EBDC000067
DDC EEPROM
5
6
6
7
EEP5V_DVI
8
EDID_WP
DVI_SDA
DVI_SCL
DVI_SCL
IC4712
C0JBAZ002269
Logic IC
3
6
2
HDMI_SDA
5
DVI_SDA
DVI_SCL
DVI_SCL
HDMI_SCL
E7 E6
IC4711
C0JBAZ002269
Logic IC
3
6
6
2
5
HDMI1_SDA
HDMI1_SCL
HDMI1_SCL
JK3504
LINE OUT
L
R
IC2001
AUDIO
AMPLIFIER
(C0ABBA000168)
3
5
1
7
Q2051
Q3052
Q3053
U4
V1
OUT_L
OUT_R
Q3054
LINE_OUT MUTE
LINE_OUT_L
LINE_OUT_R
KEY_MUTE
RS-232C
IN
JK3503
AUDIO
IN
JK3505
AUDIO_L_PC/DVI
AUDIO_R_PC/DVI
Q4113
Q4115
Q4115
PC_DVI_L
PC_DVI_R
A/V INPUT
ANALOG
T2
T1
JK4001
PC
VGA_R/PR
VGA_G/Y
VGA_B/PB
VGA_G/Y
VGA_B/PB
VGA_5V
1
2
3
3
9
12
15
15
L4
L2
M2
L2
M2
A/V INPUT
ANALOG
13
14
14
H_SYNC
V_SYNC
N1
N2
N2
EDID_WP
4
11
3V_RXD3
3V_TXD3
3V_TXD3
E17
D17
VGA_SDA
VGA_SCL
VGA_SCL
N4
N3
N3
VGA_SDA
VGA_SCL
VGA_SCL
IC4702
C3EBDC000067
DDC EEPROM
5
6
6
7
VGA_5V
8
EDID_WP
VGA_SDA
VGA_SCL
VGA_SCL
IC4715
INV
(C0JBAB000983)
4
2
PC_H_DET
5
STB5V_SW
IC4714
INV
(C0JBAB000983)
4
2
PC_V_DET
5
STB5V_SW
2
3
IC3504
TRANSCEIVER
(C0ZBZ0001867)
17
15
16
13
A1
11-12 14-15 17-18 19-20 22-23 24-25
27-28 30-31 33-34 35-36 38-39 40-41
AC13,AB13,AB14,AA14
Y14,W14,AC14,AC15
AB15,AA15,Y15,W15
AC16,AB16,AA16,Y16
AC17,AB17,AA17,Y17
AC18,AB18,AA18,Y18
LVDS OUTPUT
LVDS_E_CH(0-4)
LVDS_O_CH(0-4)
47
AB7
PEL_TEST
48-51
PANEL12V
TO PANEL
IC4502
DDR2
(C3ABSY000102)
IC4503
DDR2
(C3ABSY000102)
DDR1.8V
DDR1.8V
DATA I/0
DATA I/0
IC4505
SERIAL-FLASH
(C3FBNY000272)
6 5 2 1
D3.3V
8
IC4761
LOGIC IC
(C0JBAZ002060)
6,5
11,12
8,9
3,2
14
D3.3V
IC4762
LOGIC IC
(C0JBAZ002060)
6
11
8
11
8
3
7,14
D3.3V
IC4801
RENESAS MCU
(C2CBYY001315)
1
47 46
5
12
9
2
Q4769
Q4768
CS_FL
SPI_DI_S
Q4767
SPI_DO_S
Q4766
5V_CLK2
48
64
IC4504
EEPROM
(C3EBKC000014)
7
8
STB_5V
6,5
Y11, AA11
WP_MAIN
Y13
Q4057
76
WP_SUB
IC4802
C0JBAA000377
Logic IC
2,1
4
5V_TXD1
74
3V_RXD1
IC4803
C0JBAA000419
Logic IC
2,1
4
5V_RXD1
3V_RXD1
73
A17
A16
SPI_SW2
Q4761
SPI_SW
1,4
13,10
63
1,4
13,10
SPI_SW2
TXD_PC
RXD_PC
52
51
1,2
SDA,SCL
D3.3V
8
B16
C16
IC4506
TEMP SENSOR
(C1ZBZ0003775)
8
Q4118
FLASH_WP_SUB
3
SUB_MAIN
W9
2 3
PC_H_DET
PC_V_DET
4
MAIN_SUB
AC8
SDA1,SCL1
A4
11
14
15
9
13
17
1,2
5,6
18
19
20
8
D5V
8
D5V
STB5V
19,20
STB5V_SW
5
D3.3V
5
9V
8
PWR24V
PWR5V
STB5V
STB5V
Q4124
2
3
IC4901
REG
(C0DBA
YY01300)
Q4601
PWR5V
D5V
D5V
D3.3V
7
8
IC4904
REG
(C0DBA
YY01558)
PWR24V
PANEL12V
1
3
IC4905
REG
(C0CBAHE00002)
9V
PANEL12V
Q4129
STB5V
STB5V_SW
D4089
EEP5V_HDMI1
PWR5V
D4108
PWR5V
EEP5V_DVI
P15V_24V_EN
P15V_24V_EN
75
TO P UNIT
SWITCH1
P5V_EN
P5V_EN
72
P24V_EN
P24V_EN
29
PWM1
PWM1
AB11
BL_ON
BL_ON
AA12
LINE_OFF
LINE_OFF
71
LINE_OFF_M
LINE_OFF_M
AB12
A40
2
12
SERVICE
4,5
6,7
14
STB5V
SDA1,SCL1
SDA2,SCL2
SDA2,SCL2
C16,B16
IIC_CONT
IIC_INT
24 61
IIC_INT
IIC_CONT
IIC_CONT
AA8
IIC_INT
Y8
A48
SERVICE
2
3
1
STB5V
MODE
RESET
RESET
MODE
6 9
V1-BOARD
V11
2
4
5
6
8
4
5
6
8
1
STBY5V
3.3V
RM1501
VCC
OUT
SN1501
3
1
VCC
OUT
D1501
R
G
BACKLIGHT
IR
GREEN
RED
RED
3.3V
STBY5V
RED
GREEN
IR
BACKLIGHT
V2-BOARD
V22
5
1
STB5V
2,4,6
STB5V_SW
SW1552 SW1553 SW1554
SW1555 SW1556
SW1551
KEY
KEY CONTROL
A11
7
5
4
3
1
5
4
3
1
8
D3.3V
BACKLIGHT
AC6
BACKLIGHT
LED_G
LED_G
26
LED_R
27
LED_R
IR_IN
IR_IN
49
IR
Q4114
RC
STB5V_SW
AA2
RC
2
3
IC4902
REG
(C0DBA
YY01300)
D5V
DDR1.8V
2
3
IC4903
REG
(C0DBA
YY01300)
D5V
D1.2V
A22
5
1
2,4,6
STB5V_SW
KEY_POWER
22
L4099
SWITCH1
R4054
R4207
KEY_MUTE
STB5V
KEY0
AB6
KEY1
L4943
AUD1.2V
D3.3V
D1.2V
AUD1.2V
AUD3.3V
DDR1.8V
L4903
AUD3.3V
STB5V
13
19 20
SCPU_SDA1
SCPU_SCL1
SCPU_SDA1
SCPU_SCL1
SCPU_SCL1
V11
AA11
Q4087 Q4088
Q4097
Q4091 Q4093
Q4094
Q4097
Q4091 Q4093
Q4094
SOS
Q4099
PWR_SOS
66
REG_SOS
67
PNL12V_SOS
77
A-BOARD
Q4764
Q4107
Q4108
Q4108
21
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