Sharp 32JF-74E, Service Manual

Page: 53 / 88

53
32JF-74E
SYMBOL
PIN
DESCRIPTION
TDA9886T
TDA9886TS
TDA9885T
TDA9885TS
TDA9885HN
VIF1 1 1 30 VIF differential input 1
VIF2 2 2 31 VIF differential input 2
n.c.
− −
32 not connected
OP1 3 3 1 output port 1; open-collector
FMPLL 4 4 2 FM-PLL for loop filter
DEEM 5 5 3 de-emphasis output for capacitor
AFD 6 6 4 AF decoupling input for capacitor
DGND 7 7 5 digital ground
n.c.
− −
6 not connected
AUD 8 8 7 audio output
TOP 9 9 8 tuner AGC TakeOver Point (TOP) for resistor adjustment
SDA 10 10 9 I
2
C-bus data input and output
SCL 11 11 10 I
2
C-bus clock input
SIOMAD 12 12 11 sound intercarrier output and MAD select with resistor
n.c.
− −
12 not connected
n.c. 13 13 13 not connected
n.c.
− −
14 not connected
TAGC 14 14 15 tuner AGC output
REF 15 15 16 4 MHz crystal or reference signal input
VAGC 16
− −
VIF-AGC for capacitor
n.c.
−
16 17 not connected
CVBS 17 17 18 composite video output
n.c.
− −
19 not connected
AGND 18 18 20 analog ground
VPLL 19 19 21 VIF-PLL for loop filter
V
P
20 20 22 supply voltage
AFC 21 21 23 AFC output
OP2 22 22 24 output port 2; open-collector
n.c.
− −
25 not connected
SIF1 23 23 26 SIF differential input 1 and MAD select with resistor
SIF2 24 24 27 SIF differential input 2 and MAD select with resistor
n.c.
− −
28 not connected
n.c.
− −
29 not connected
handbook, halfpage
TDA9885TS
TDA9886TS
MHC110
VIF1
VIF2
OP1
FMPLL
DEEM
AFD
DGND
AUD
TOP
SDA
SCL
SIOMAD
SIF2
SIF1
OP2
AFC
VP
VPLL
AGND
CVBS
VAGC
(1)
REF
TAGC
n.c.
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
Fig.3 Pin configuration for SSOP24.
(1) Not connected for TDA9885TS.
TDA9886TS (IC201)
Pinning