Tda4661/V2 - Sanyo AAI-A Series Training Manual

Pin description of TDA8361/8362
Pin Symbol Description
1 AUDEM
2 IFDEM1
3 IFDEM2
4 IDENT
5 SOIF
6 EXTAU
7 IFVO
8
DECDIG
9 GND1
10 Vp
11 GND2
12 DECFT
13 CVBSINT
14 PEAKIN
15 CVBSEXT
16 CHROMA
17 BRI
18 BO
19 GO
20 RO
21 RGBIN
22 RI
23 GI
24 BI
25 CON
26 SAT
Audio de-emphasis
IF demodulator tuned circuit
IF demodulator tuned circuit
Video identification output
Sound IF input and volume control
External audio input
IF video output
Decoupling digital supply
Ground 1
Positive supply voltage(+8V)
Ground 2
Decoupling filter tuning
Internal CVBS input
Peaking control input
External CVBS input
Chrominance and AV switch input
Brightness control input
B output
G output
R output
RGB insertion and blanking input
R input
G input
B input
Contrast control input
Saturation control input
2. TDA4661 <IH Delay Line>
*(R-Y) + ~
colour-difference
input signals
+( B-Y)+~
vpl —
sandcs. t ie —
pulse input
Pin Symbol Description
27 HUE Hue control input
28 BYI B-Y input signal
29 RYI R-Y input signal
30 RYO
R-Y output signal
31 BYO B-Y output signal
32 XTALOUT4.43MHZ output for TDA8395
33 DET
34 XTAL1
35 XTAL2
36 HOSC
37 HOUT
38 FB1/SCO
39 PH2LF
40 PHI LF
41 VFB
42 VRAMP
43 VOUT
44 AFCOUT
45 IFIN1
46 IFIN2
47 AGCOUT
48
DECAGC
49 TUNEADJ
50 AUOUT
51 DECDEM
52 DECBG
Loop filter burst phase detecter
3.58 MHz XTAL connection
4.43 MHz XTAL connection
Start horizontal oscillator
Horizontal output
Flyback input.lsandcastle output
Phase 2 loop filter
Phase 1 loop filter
Vertical feedback input
Verlical ramp generator
Vertical output
AFC output
IF input 1
IF input
2
Tuner AGC output
AGC decoupling capacitor
Tuner take-over adjustment
Audio output
Decoupling sound demodulator
Decoupling bandgap supply
16 SIGNAL
" CLAMPING
-
pre-amphf]ers addition
stages
output
14
SIGNAL
" CLAMPING
A
9
* I
~ analogue supply
~ ~3MHzshifting clink
2-
5
TDA4661
6-
. SANXASTLE
FRECIJENCY 13
iITECTOR
-
PHASE
DETECTOR
IVP2
-33-
—
+(R-Y)
mlour-difference
output sugnals
— *(B-Y)
- n.c.
-n.c.
-n.c.
- n.c.
- i.e.
AA1-A