Read Sharp LC-37GA8EK (serv.man2) Service Manual online
66
LC-26GA5E
LC-32GA5E
LC-32GA8/LC-32BV8
LC-37GA8/LC-37BV8
2003 Oct 02
8
Philips Semiconductors
Product specification
I
2
C-bus controlled single and multistandard
alignment-free IF-PLL demodulators
TDA9885; TDA9886
7
PINNING
SYMBOL
PIN
DESCRIPTION
TDA9885T
TDA9885TS
TDA9886T
TDA9886TS
TDA9885HN TDA9886HN
VIF1
1
1
30
30
VIF differential input 1
VIF2
2
2
31
31
VIF differential input 2
n.c.
−
−
32
32
not connected
OP1
3
3
1
1
output port 1; open-collector
FMPLL
4
4
2
2
FM-PLL for loop filter
DEEM
5
5
3
3
de-emphasis output for capacitor
AFD
6
6
4
4
AF decoupling input for capacitor
DGND
7
7
5
5
digital ground
n.c.
−
−
6
6
not connected
AUD
8
8
7
7
audio output
TOP
9
9
8
8
tuner AGC TakeOver Point (TOP) for resistor
adjustment
adjustment
SDA
10
10
9
9
I
2
C-bus data input and output
SCL
11
11
10
10
I
2
C-bus clock input
SIOMAD
12
12
11
11
sound intercarrier output and MAD select with
resistor
resistor
n.c.
−
−
12
12
not connected
n.c.
13
13
13
13
not connected
n.c.
−
−
14
14
not connected
TAGC
14
14
15
15
tuner AGC output
REF
15
15
16
16
4 MHz crystal or reference signal input
VAGC
−
16
−
17
VIF-AGC for capacitor
n.c.
16
−
17
−
not connected
CVBS
17
17
18
18
composite video output
n.c.
−
−
19
19
not connected
AGND
18
18
20
20
analog ground
VPLL
19
19
21
21
VIF-PLL for loop filter
V
P
20
20
22
22
supply voltage
AFC
21
21
23
23
AFC output
OP2
22
22
24
24
output port 2; open-collector
n.c.
−
−
25
25
not connected
SIF1
23
23
26
26
SIF differential input 1 and MAD select with
resistor
resistor
SIF2
24
24
27
27
SIF differential input 2 and MAD select with
resistor
resistor
n.c.
−
−
28
28
not connected
n.c.
−
−
29
29
not connected
2.4.2. Pinning
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