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JVC LT-42EM91 Service Manual page 25

42" class wide led tv
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R8J66977BG(IC2801)
No.
Ball NO.
1
T20
2
T22
3
T21
4
H2
5
H1
6
H3
7
J3
8
L1
9
M1
10
M2
11
M3
12
L3
13
L2
14
AB22
15
AB21
16
W18
17
Y10
18
AB10
19
AA10
20
AA19
21
AB19
22
AA18
23
Y19
24
AA20
25
AA20
26
V19
27
Y21
28
AA22
29
AB18
30
AA21
31
Y20
32
K3
33
K2
34
Y18
35
W19
36
J1
37
L4
38
K1
39
W17
40
Y17
41
R20
42
R19
43
U22
44
V22
45
U20
46
U21
47
T19
48
P22
49
R21
50
P19
51
P20
52
N22
53
P21
IC DESCRIPTION
PIN NAME
I/O
RESET_N
I
XIN25
I
XOUT25
O 25MHz XOUT
USB_P
--- USB P
USB-N
--- USB N
GPANAIO
--- Open (Do not connect any signal).
RREFEXT
--- External resistor
BCKO
D IIS out
LRCKO
D IIS out
ADATAO0
D IIS out#0
ADATAO1
D IIS out#1
ACLK
D Audio master clock
SPDIFO
D SPDIF out
SCISCK0
D Multi function timer
SCIRXD0
D Multi function timer
SCITXD0
D Multi function timer
SCLK0
D GPIO
STXD0
D GPIO
SRXD0
D GPIO
SMCLK
D GPIO
SMDATA
D GPIO
SMRST
D GPIO
TU_I2C_SCL
D Serial interface
SCITXD1
D Serial interface
SCIRXD1
D Serial interface
SFCK
D Serial flash clock
SFTX
D Serial flashtransmit
SFRX
D Serial flash Receive
SFHO_N
D GPIO
SFWP_N
D Serial flash write protect
SFCS_N
D Serial Flash Chip select
SICL0
D Tuner serial interface (clock).
SIDA0
D Tuner serial interface (data).
SICL1
D Legacy serial interface (clock).
SIDA1
D Legacy serial interface (data).
IFAGC
D Demodulator IFAGC
RFAGC
D GPIO
SANT
D GPIO
QBLCA
D PWM output
QBLCB
D PWM output
UARTRXD0
D UART
UARTTXD0
D UART
M32TRST_N
I
M32TCK
I
M32TMS
I
M32TDI
I
M32TDO
O GPIO
ASEBRKAK_N
O E10A interface
ASEMD0
I
TRST_N
I
TCK
I
TMS
I
TDI
I
Reset in
25MHz XIN
GPIO (Do not drive high during the system resetted)
GPIO
GPIO
GPIO
E10A interface
JTAG Interface
JTAG Interface
JTAG Interface
JTAG Interface
F-1
DESCRIPTION

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