Read Sharp LC-20B6E (serv.man10) Service Manual online
36
LC-20B6E
Pin Type
Block
Number
of Pins
Pin Name
I/O Type
Description
DA VDD2
VDD
Power supply for 8-bit D/A block
DA out2
O
A
6.75 MHz to 27 MHz
DA GND2
GND
Ground for 8-bit D/A block
DABIAS21
A
Bias voltage for 8-bit D/A
DAVREF2
A
Reference voltage for 8-bit D/A block
DA DVDD2
VDD
Digital power supply for 8-bit D/A block
8bit D/A
7
DA DVSS2
GND
Digital ground for 8-bit D/A block
4TPLL in
I
A
6.75 MHz input
AVDDPLL
VDD
PLL (F/E) power supply
FIL
A
Filter
pin
PLL (F/E £ 4
AGNDPLL
GND
PLL (F/E) ground
AVDDPLL
VDD
PLL (B/E) power supply
FIL
A
Filter
pin
PLL (B/E)
3
AGNDPLL
GND
P PLL (B/E) ground
Ys in
I
D
Scart/TeleTEXT Ys input
TeleTEXT 2
I in
I
D
TeleTEXT I input
YCLMPP1
O
Tri
Clamp pulse output for CVBS1 clamp input
YCLMPP2
O
Tri
Clamp pulse output for CVBS2 clamp input
Sync out
O
D
Sync output
Csync in
I
D
Composite sync input
F/E
F/E 5
VBIREADY O
D
VBIREADY
output
PCR in [7]
I
D
PCR in [6]
I
D
PCR in [5]
I
D
PCR in [4]
I
D
PCR in [3]
I
D
PCR in [2]
I
D
PCR in [1]
I
D
PCR in [0]
I
D
PC-R signal input
PCG in [7]
I
D
PCG in [6]
I
D
PCG in [5]
I
D
PCG in [4]
I
D
PCG in [3]
I
D
PCG in [2]
I
D
PCG in [1]
I
D
PCG in [0]
I
D
PC-G signal input
PCB in [7]
I
D
PCB in [6]
I
D
PCB in [5]
I
D
PCB in [4]
I
D
Digital in
PC in
27
PCB in [3]
I
D
PC-B signal input
2.2. Pin Functions (Continued)
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