Sharp 37GT-28FP Service Manual page 19

STV2238 (IC 801)
Pin N°
STV224X/8X STV223X
SDIP56 SDIP56
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
-
-
-
-
-
-
30
31
32
33
34
35
36
37
38
39
40
41
42
43
STV223XD Symbol
TQFP64
1 8 SIFIN1
2 9 SIFIN2
3 10 AGCSIFCAP
V
4 11
5 12 AGCPIFCAP
6 13 PIFIN1
7 14 PIFIN2
8 16 TUNERAGCOUT
9 17
10 18 GND IF
11 19 AM/FMOUT/SC
12 20
13 21 INTCVBSOUT
14 22 EXTAUDIOIN
15 23 PIFLC1
16 24 PIFLC2
17 25
18 26 CVBSIN1
19 27
20 28 CVBSIN2
21 29
22 34 Y/CVBSIN3
23 35
24 37
25 38
26 39
27 40
28 41
29 42
30 43
31 44
32 45
33 46
34 47
35 48
36 49
37 50 FBOSD
38 52 XTAL3/BTUN
39 53
40 54
41 55
42 56 X1/VAMP/CHROUT
43 57
SIF Input
SIF Input
AGC SIF Capacitor
IF
Voltage Reference Filtering
REF
AGC PIF Capacitor
PIF Input
PIF Input
AGC Tuner Output
IFPLL IF PLL Filter
IF Ground
AM/FM Mono Sound or Stereo Carriers Output
V IF
5 V IF Supply
CC
Internal CVBS Output
External Audio Input
LC Input
LC Input
V 2
Video/Luma Supply Voltage (8 V)
CC
Internal Video Input
GND2 Video/Luma Ground
External Video Input
BS Black Stretch Capacitor
Y(SVHS) or CVBS3 External Input
CHR Chroma (SVHS) Input
UIN B-Y Input (Note 1)
VIN R-Y Input (Note 1)
YIN Y Input (Note 1)
YOUT Y Output (Note 1)
VOUT R-Y Output (Note 1)
UOUT B-Y Output (Note 1)
BOUT Blue Output
GOUT Green Output
ROUT Red Output
I
Cathode Current Measurement Input
CATH
BOSD OSD Blue Input
GOSD OSD Green Input
ROSD OSD Red Input
OSD Fast Blanking
3.5X MHz Crystal or Cloche Filter Tuning
Capacitor
XTAL2 3.5X MHz Crystal
XTAL1 4.43/3.5X MHz Crystal
CLPF Chroma PLL Filter
XTAL1 Control Pin, Vertical Amplitude DAC
Output and Chroma Reference Signal Output.
GND1 Chroma/Scanning Ground
19
37GT-28FP
Description