Panasonic TC-42PX14 Service Manual page 45

11.9. A-Board (3/14) Schematic Diagram
A-BOARD TXN/A1EWUUS (3/14)
!
SUB3.3V
C8506
TP8568 16V
0.1u
1 8
E0 R8556
VCC
4.7k
TP8569
TO 1/14
2 E1 7
SE_EEP_WP
WC S
R8577 PORT9[4] EEPROM_WP
3 6
E2
SCL
4 VSS 5
SDA
R8554 R8555
*IC8503
TP8570
TVRQ595S
TP8571
EEPROM
I2C
SD_CARD
TO 1/14
R8573
EXB2HV680JV
SDWP
SDCD
SDCMD
SDDAT1
SDDAT2
SDDAT3
SDDAT0
SDCLK
19 20
DIGITAL,SD-CARD
SUB3.3V
C8501
16V
0.1u
IC8502
NOR FLASH
TVRQ590AHS
R8512
4.7k
SUB3.3V
SD/IC_CARD
R8674
EXB2HV103JV
AE_SDWP
AE_SDCD
AE_SDCMD
AE_SDDAT1
AE_SDDAT2
AE_SDDAT3
AE_SDDAT0
AE_SDCLK
R8516 R8515
EXB28V330JX EXB28V330JX
TP8553
TP8550
TP8554 TP8551 TP8549 TP8548
TP8552
TP8555
C8536 C8537
R8706 R8707
47k 47k 16V 10V
0.01u
10u
C8544
10V R8704
10u 100
C8513 C8512
16V 16V
0.1u 0.1u
TP8556
JK8302
K1NA09E00080
SD CARD SLOT
R8701
C8533
16V
0.1u
C8532
16V
47u
21 22
AA_XECS0 R8517 68
XECS0
TO 1/14
AA_XERE R8519 68
XERE
AA_XEWE0 R8520 68
XEWE0
AG_DTV_XRST
AG_DTV_XRST TO 1,7/14
C8517
16V
0.1u
SUB3.3V
SE_SDA0_D R8538
SE_SDA0_PANEL
SE_SCL0_D R8539
SE_SCL0_PANEL
TO 1/14
SDA1_EEP R8541
SE_SDA1_EEP
SCL1_EEP R8543
SE_SCL1_EEP
SE_SDA0_D
SE_SDA0_D
SE_SCL0_D
SE_SCL0_D
TO 10/14
SDA1_EEP
SDA1_EEP
SCL1_EEP
SCL1_EEP
23 24 25
45
SUB3.3V
Seine3LV
TO 1/14
R4092
EXB2HV472JV
AA_ED0
EBDAT0
AA_ED1
EBDAT1
AA_ED2
EBDAT2
AA_ED3
EBDAT3
AA_ED4
EBDAT4
AA_ED5
EBDAT5
AA_ED6
EBDAT6
AA_ED7
EBDAT7
R4090
EXB2HV680JV
R4093
EXB2HV472JV
AA_ED8
EBDAT8
AA_ED9
EBDAT9
AA_ED10
EBDAT10
AA_ED11
EBDAT11
AA_ED12
EBDAT12
AA_ED13
EBDAT13
AA_ED14
EBDAT14
AA_ED15
EBDAT15
R4091
EXB2HV680JV
R4089
EXB2HV680JV
AA_EA1
EBADD1
AA_EA2
EBADD2
AA_EA3
EBADD3
AA_EA4
EBADD4
AA_EA5
EBADD5
AA_EA6
EBADD6
AA_EA7
EBADD7
R4079
EXB2HV680JV
AA_EA8
EBADD8
AA_EA9
EBADD9
AA_EA10
EBADD10
AA_EA11
EBADD11
AA_EA12
EBADD12
AA_EA13
EBADD13
AA_EA14
EBADD14
AA_EA15
EBADD15
AA_EA16
EBADD16
AA_EA17
EBADD17
AA_EA18
EBADD18
AA_EA19
EBADD19
AA_EA20
EBADD20
AA_EA21
EBADD21/NACLE
AA_EA22
EBADD22/NAALE
AA_EA23
EBADD23/NABSY_N
R4081
EXB2HV680JV
Boundary Scan
SUB3.3V
R8534
10k
R8579 R8533 R8580
10k 10k 10k
TMS
R8529 33
TRST
TDI TO 1/14
R5137
10k TDO
TCK
26 27