Pin Details of IC TA7710

Pin Details of IC TA7710

Functions :

1. IF amplifier
2. RF-AGC
3. AFT detector
4. Video detector
5. Video amplifier

Pin No.	Function	Voltage
1.	IF signal input	4.1
2.	Decoupling capacitor for biasing	4.2
3.	RF-AGC control	6.8
4.	Delayed RF-AGC output	2.7to9.7
5.	AFT output for tuner	4
6.	AFT capacitor	9.8
7.	AFTdetector frequency tuning circuit	3.9
8.	Video detector frequency tuning circuit	0.3
9.	Video detector frequency tuning circuit	4.1
10.	AFTdetector frequency tuning circuit	3.9
11.	Positive(+Ve)supply voltage	12
12.	Composite video signal output for difference sections	3.2
13.	Ground (-Ve)supply voltage	0
14.	IF-AGC	7.2
15.	Decoupling capacitor for biasing	4.4
16.	IF signal input	4.1

Pin Details of IC TA7699AP

Pin Details of IC TA7699AP

Substitute : TA7698AP , KA2154

Functions :

1. Video amplifier
2. Band pass amplifier
3. Chrominance section
4. RGB matrix
5. Sync separator
6. Vertical & Horisontal oscillator
7. Horizontal driver & Vertical driver
8. Automatic colour control (ACC)

Pin No.	Functions	Voltage
1.	Control peaking	4.6
2.	Positive (+Ve)supply voltage 1	12
3.	Pedestal clamp input	4.7
4.	Brightness control	4.5
5.	Chroma (colour )input	1
6.	Automatic colourcontrol (ACC )input	10.5
7.	Colour control	0.6-7.6
8.	Chroma (colour) output	10.6
9.	Phase capasitor	5.7
10.	Automatic phase control detector	8.4
11.	Ground(video,chroma)	0
12.	Ident or Filter capacitor	9.8
13.	Voltage controlled oscillator	10.7
14.	Matrix input	3.9
15.	matrix input	3.9
16.	APC filter	9.7
17.	Croma input to PAL/NTSC	4.8
18.	APC filter	9.8
19.	System switch	4.8
20.	(G-Y)green colour diferrence signal	8.5
21.	(R-Y)Red colour diferrence signal	8.5
22.	(B-Y)Blue colour Diferrence signal	8.5
23.	Y(luminance output	8.5
24.	Vertical drive output (50Hz.)	1.9
25.	Ramp generator	4.4
26.	Vertical driver feedback (output to input)	7.8
27.	Ramp capacitor	7.7
28.	Vertical sync (50Hz)input to vertical Osc.	0.4
29.	Vertical Osc.frequency adjust(V.hold)	2.9
30.	X-ray protection (ground)	0
31.	Ground (negative supply terminal)	0
32.	Horizontal driver output (15625Hz)	0.4
33.	Positive(+Ve)supply voltage (2)	8.4
34.	Horiz.Osc.frequncy(15625Hz)adjust(H.hold)	4.4
35.	Automatic frequency control(AFC)output	4.5
36.	Vertical sync output from sync separator	3.7
37.	video signal input to sync separator	0.7
38.	Flyback pulse (15625Hz)input from EHT	0.5
39.	Inverter input(Video)	4.1
40.	inverter video output	7.8
41.	Contrast colour	8.4
42.	Contrast output	9.4