| Pin No. | Function | Voltage |
| 1. | Audio frequency input from audio driver | 12 |
| 2. | Negative (-Ve) feedback(output to input) | 12.2 |
| 3. | Ground (- Ve supply voltage) | 0 |
| 4. | Audio frequency output for driving the speaker | 12 |
| 5. | Positive (+Ve) supply voltage | 24.5 |
| Pin No. | Function | Voltage |
| 1. | Ground(-Ve supply voltage) | 0 |
| 2. | Horizontal drive pulse output(15625Hz) | 1.8 |
| 3. | Flyback(Reference)pulse input from EHT(15625 Hz) | 11 |
| 4. | Sand castle pulse output | 1.8 |
| 5. | Switch over input VCR operation | 2 |
| 6. | Output of time constant switching stage for phase comprator-1 | - |
| 7. | Muting output (sound) | 0.7 |
| 8. | Reference pin vertical sync separator | 6 |
| 9. | Vertical sync output (50Hz) | 1.5 |
| 10. | Video porch clamp level | 3.8 |
| 11. | Sync separator input | 3 |
| 12. | Horizontal frequency adjust (15625 Hz) | 7.3 |
| 13. | Out phase comparator | 6 |
| 14. | Positive supply (+Ve terminal) | 12 |
| 15. | Horizontal oscillator capacitor(15625Hz) | 6 |
| 16. | Horizontal oscillator resistor(15625 Hz) | 6.1 |
| 17. | Phase shift (phase correction input) | 5.3 |
| 18. | Vertical flyback (blanking) pulse input(50Hz) | -6.5 |
| Pin No. | Functions | Voltage |
| 1. | Audio frequency output | 6.5 |
| 2. | Positive (+Ve supply voltage) | 12.8 |
| 3. | Bootstrap | 12.6 |
| 4. | Threshold | - |
| 5. | Muting | - |
| 6. | (Feedback)Inveret input | 2.6 |
| 7. | SVR | 2.5 |
| 8. | Non Invert input(audio frequency input)5.5MHz. | 2.6 |
| 9. | Ground (-Ve supply voltage ) | 0 |
| 10. | Ground (-Ve supply voltage ) | 0 |
| 11. | Ground (-Ve supply voltage ) | 0 |
| 12. | Ground (-Ve supply voltage ) | 0 |
| 13. | Ground (-Ve supply voltage ) | 0 |
| 14. | Ground (-Ve supply voltage ) | 0 |
| 15. | Ground (-Ve supply voltage ) | 0 |
| 16. | Ground (-Ve supply voltage ) | 0 |
| Pin No. | Function | Voltage |
| 1. | Audio frequency output | 6.5 |
| 2. | Positive(+Ve supply voltage) | 12.8 |
| 3. | Bootstrap | 12.6 |
| 4. | Not connected | - |
| 5. | Not connected | - |
| 6. | (Feed back ) invert input | 2.6 |
| 7. | SVR | 2.5 |
| 8. | Non invert input (Audio frequency input)5.5MHz | 2.6 |
| 9. | Ground(-Ve supply voltage) | 0 |
| 10. | Ground(-Ve supply voltage) | 0 |
| 11. | Ground(-Ve supply voltage) | 0 |
| 12. | Ground(-Ve supply voltage) | 0 |
| 13. | Ground(-Ve supply voltage) | 0 |
| 14. | Ground(-Ve supply voltage) | 0 |
| 15. | Ground(-Ve supply voltage) | 0 |
| 16. | Ground(-Ve supply voltage) | 0 |
| Pin No. | Functions | Voltage |
| 1. | It is one output of the power amplifier.It drive the yoke by a negative ramp current (50Hz.) | 13.7 |
| 2. | Supply voltage for power output stage | 21.4 |
| 3. | Vertical oscillator (50Hz.) | 3.4 |
| 4. | Vertical oscillator (50Hz.) | 0.5 |
| 5. | Input for sync pulses(+Ve)(50Hz.) | 0.4 |
| 6. | Output of the switch drive by the internal clock pulse generated by the threshold circuits | 0.5 |
| 7. | The current between Pin No.7 and ground decides the height of the ramp (sawtooth Pulse) | 6.8 |
| 8. | Ground (-Ve supply voltage) | 0 |
| 9. | Input of the buffer (output)stage | 3.9 |
| 10. | Output of the buffer stage and is internally connected to the inverting input of the power amplifier | 4.9 |
| 11. | Non inverting input | 4.4 |
| 12. | Inverting input of the amplifier | 4.3 |
| 13. | Output where the blanking pulse is available | 1.2 |
| 14. | Main supply voltage | 21.4 |
| 15. | Output the flyback generator | 1.4 |
| Pin No. | Functions | Voltage |
| 1. | Blanking pulse output | 0.1 |
| 2. | Positive(+Ve supply voltage ) | 22 |
| 3. | Flyback pulse output | 0.1 |
| 4. | Not Connected | NC |
| 5. | Ground(-Ve supply voltage) | 0 |
| 6. | Ground(-Ve supply voltage) | 0 |
| 7. | Power amplifier output | 10.5 |
| 8. | Power amplifier supply voltage | 22 |
| 9. | Oscillator | 3.1 |
| 10. | Oscillator | 0.4 |
| 11. | Sync pulse input | -2.7 |
| 12. | Oscillator | - |
| 13. | Not Connected | NC |
| 14. | Height control | - |
| 15. | Ground (-Ve supply voltage ) | 0 |
| 16. | Ground (-Ve supply voltage ) | 0 |
| 17. | Rump pulse generator | - |
| 18. | Ramp pulse output | 3.5 |
| 19. | Power amplifier input (+Ve)(Non inverting input) | - |
| 20. | Power amplifier input (-Ve)(inverting input) | 4.4 |
| Pin No. | Functiions | Voltage |
| 1. | 5.5 MHz sound IF input(inter carrier sound) | 2 |
| 2. | 5.5 MHz sound IF input(inter carrier sound) | 2 |
| 3. | Audio output | 4 |
| 4. | FM detector | 4 |
| 5. | FM detector | 4 |
| 6. | DC volume control(voltage varies with volume control setting) | 2.1 |
| 7. | Audio signal input | 4.6 |
| 8. | Tone control | 9.8 |
| 9. | Audio signal output | 10 |
| 10. | Positive supply (+ Ve terminal) | 20 |
| 11. | Audio amplifier (bias voltage) | 11.5 |
| 12. | DC volume control bias voltage | 11.5 |
| 13. | Ground (-Ve supply terminal) | 0 |
| Pin No. | Functions | Voltage |
| 1. | It is one output of the power amplifier.It drive the yoke by a negative ramp current (50Hz.) | 13.7 |
| 2. | Supply voltage for power output stage | 21.4 |
| 3. | Vertical oscillator (50Hz) | 3.4 |
| 4. | Vertical oscillator (50Hz) | 0.5 |
| 5. | Input for sync pulses (+Ve) (50Hz) | 0.4 |
| 6. | Output of the switch driver by the internal clock pulse generated by the threshold circuits | 0.5 |
| 7. | The curret between Pin No.7 and ground decides the height of the ramp (sawtooth pulse) | 6.8 |
| 8. | Ground (-Ve supply voltage ) | 0 |
| 9. | Input of the buffer (output) stage | 3.9 |
| 10. | Output of the buffer stage and is internal connected to the inverting input of the power amplifier | 4.9 |
| 11. | Non inverting input | 4.4 |
| 12. | Inverting input of the amplifier | 4.3 |
| 13. | Output where the blanking pulse is available | 1.2 |
| 14. | Main supply voltage | 21.4 |
| 15. | Output of the flyback generator | 1.4 |
| Pin No. | Functions | Voltage |
| 1. | IF amplifier input(sound IF input) | 2.5 |
| 2. | IF decoupling capacitor for IF amplifier | 2.5 |
| 3. | IF decoupling capacitor | 2.5 |
| 4. | FM detector capacitor (tank circuit ) | 2 |
| 5. | FM detector capacitor (tank circuit ) | 2 |
| 6. | DC volume control(electronic attenuator ) | 2 |
| 7. | Audio frequency feedback | 10 |
| 8. | Conpensation for soun quality | 0.2 |
| 9. | Audiio frequency output | 10 |
| 10. | Positive(+Ve)supply voltage(Vcc) | 24 |
| 11. | Rippley rejection | 10 |
| 12. | De-emphasis (Frequency attenuator) | 2.5 |
| Pin No. | Functions | Voltage |
| 1. | Sound IF input | 2.5 |
| 2. | Soud IF decoupling | 2.5 |
| 3. | Soud IF decoupling | 2.5 |
| 4. | Ground (-Ve supply voltage) | 0 |
| 5. | Ground (-Ve supply voltage) | 0 |
| 6. | FM detector (tank circuit) | 2 |
| 7. | FM detector(tank circuit) | 2 |
| 8. | DC Volume control (electronic attenuator) | 2 |
| 9. | Audio frequency feedback | 10 |
| 10. | Compensation for sound quality | 0.2 |
| 11. | Audio frequency output | 10 |
| 12. | Ground (-Ve supply voltage) | 0 |
| 13. | Ground (-Ve supply voltage) | 0 |
| 14. | Positive (+Ve supply voltage) | 24 |
| 15. | Ripple rejection | 10 |
| 16. | De-emphasis (frequency attenuator) | 2.5 |
| Pin No. | Functions | Voltage |
| 1. | Positive(+Ve supply voltage) | 11 |
| 2. | Inverting output from output stage | 3.8 |
| 3. | non Inverting output from output stage | - |
| 4. | Protection switch | - |
| 5. | Phase shifter & phase comparator | 7.6 |
| 6. | Pulse shaper | 2 |
| 7. | Blanking pulse generator | - |
| 8. | Sync separator | 0.6 |
| 9. | Vertical sync separator(50Hz) | 0.9 |
| 10. | Vertical sync output stage (50Hz) | 0.2 |
| 11. | Coinsidence detector | 77.3 |
| 12. | Time constant & control constant switch | 2.8 |
| 13. | Phase comprator (oscillator sync) | 2.8 |
| 14. | Vertical oscillator | 6.2 |
| 15. | Vertical oscillator | 2.7 |
| 16. | Ground (-Ve supply voltage) | 0 |
| Pin No. | Functions | Voltage |
| 1. | Ramp(sawtooth) output | 5 |
| 2. | Main supply voltage (+Ve terminal) | 15 |
| 3. | Vertical flyback (blanking 50Hz.) | 1.5 |
| 4. | Ground (-Ve supply voltage ) | 0 |
| 5. | Ground (-Ve supply voltage ) | 0 |
| 6. | Vertical output (50Hz.) | 10 |
| 7. | Power amplifier(vertical output)supply voltage | 14.5 |
| 8. | Regulator voltage | 5 |
| 9. | Hight adjustment | 6.6 |
| 10. | Sync input | -0.1 |
| 11. | Vertical oscillator(50Hz)& frequency control(V-Hold) | 2.4 |
| 12. | Ground (-Ve supply voltage ) | 0 |
| 13. | Ground (-Ve supply voltage ) | 0 |
| 14. | Amplifier input | 1.8 |
| 15. | Conpensation (for vertical liniearity) | 0.4 |
| 16. | Ramp (sawtooth)generator | 3 |
| Pin No | Functions | Voltage |
| 1. | Ramp (sawtooth)output signal | 4 |
| 2. | Positive (VE +) supply voltage | 22 |
| 3. | Vertical flyback (Blanking 50 Hz.) | 1.5 |
| 4. | Power amplifier output(vertical output) | 13 |
| 5. | Power amplifier supply voltage | 22 |
| 6. | Regulator voltage | 6 |
| 7. | Height adjust | 6.6 |
| 8. | Sync input signal | -0.1 |
| 9. | Vertical oscillator & frequency control(V-Hold)(50Hz.) | 3 |
| 10. | Pre-amplifier input | 1.8 |
| 11. | Conpensation | 0.4 |
| 12. | Rump (sawtooth)generator | 3.5 |
| Pin No. | Functions | Voltage |
| 1. | Ramp(sawtooth)output | 5 |
| 2. | Main supply voltage(+Ve terminal) | 15 |
| 3. | Vertical flyback(Blanking 50Hz.) | 1.5 |
| 4. | Ground(-Ve)supply voltage | 0 |
| 5. | Ground(-Ve)supply voltage | 0 |
| 6. | Vertical output (50Hz.) | 10 |
| 7. | Power amplifier(Vertical output)supply voltage | 14.5 |
| 8. | Regulated voltage | 5 |
| 9. | Hieght adjustment | 6.6 |
| 10. | Sync input | -0.1 |
| 11. | Vertical oscillator(50Hz)&frequency control(V-Hold) | 2.4 |
| 12. | Ground(-Ve)supply voltage | 0 |
| 13. | Ground(-Ve)supply voltage | 0 |
| 14. | Amplifier input | 1.8 |
| 15. | Compensations(For vertical linearity) | 0.4 |
| 16. | Ramp(sawtooth)generator | 3 |
Pin Details of IC TDA1037
Functions : Sound output & Pre-amplifier
Pin No. | Functions | Voltage |
1. | Ground(-Ve supply voltage) | 0 |
2. | Audio signal output to drive the speaker | 7.8 |
3. | Positive (+Ve supply voltage) | 15 |
4. | Positive (+Ve supply voltage) | 15 |
5. | Decoupling capacitor | 0.8 |
6. | Negative(-Ve)feedback(output to input) | 1.4 |
7. | Decoupling capacitor for quality improvement | 7 |
8. | Audio signal input | 0 |
9. | Ground (-Ve supply voltage) | 0 |
Pin Details of IC TDA1035
Substitute : TDA1701
Functions :
Pin No. | Functions | Voltage |
1. | 5.5MHz.sound IF input(inter carrier sound) | 2 |
2. | 5.5MHz.sound IF input(inter carrier sound) | 2 |
3. | Audio output | 4 |
4. | FM detector | 4 |
5. | FM detector | 4 |
6. | DC volume control(voltage varies with volume control setting) | 2.1 |
7. | Audio signal input | 4.6 |
8. | Tone control | 9.8 |
9. | Audio signal output | 10 |
10. | Positive supply (+Ve)terminal | 20 |
11. | Audio amplifier | 11.5 |
12. | DC volume control bias voltage | 11.5 |
13. | Ground (-Ve supply terminal) | 0 |
Pin Details of IC TDA440S,B
Substitute: A240 ,TDA440
Functions :
1.Video IF amplifier (3 stage)
2.Video Detector (Limiter)
3.Sync detector
4.AGC detector
5.Video pre-amplifier
Pin No. | Function | Voltage |
1. | Video IF input | 4 |
2. | Decoupling capacitor for biasing | 4 |
3. | Ground (-Ve terminal) | 0 |
4. | AGC time constant | 2 |
5. | Tuner AGC output | 12 |
6. | Tuner AGC Delay | 1 |
7. | Flyback pulse(15625 Hz)input from EHT | 1 |
8. | FM Detector (Carrier tuning) | 7 |
9. | FM Detector (Carrier tuning) | 7 |
10. | Voltage regulation | 0.2 |
11. | Negative video output | 3 |
12. | positive video output | 8.5 |
13. | Positive (+ Ve supply voltage) | 12 |
14. | Internally connected | 4 |
15. | Decoupling capacitor for biasing | 4 |
16. | Video IF input | 4 |
Pin Details of IC TDA440
Substitute: A240 ,TDA440S,B.
Functions :
1.Video IF amplifier (3 stage)
2.Video detector (Limiter)
3.Sync detector
4.AGC detector
5.Video pre-amplifier
Pin No. | Function | Voltage |
1. | Video IF input | 4 |
2. | Decoupling capacitor for biasing | 4 |
3. | Ground (-Ve terminal) | 0 |
4. | AGC time constant | 2 |
5. | Tuner AGC output | 12 |
6. | Tuner AGC Delay | 1 |
7. | Flyback pulse(15625 Hz)input from EHT | 1 |
8. | FM Detector (Carrier tuning) | 7 |
9. | FM Detector (Carrier tuning) | 7 |
10. | Voltage regulation | 0.2 |
11. | Negative video output | 3 |
12. | positive video output | 8.5 |
13. | Positive (+ Ve supply voltage) | 12 |
14. | Internally connected | 4 |
15. | Decoupling capacitor for biasing | 4 |
16. | Video IF input | 4 |
Pin Details of IC TC 9150P
Functions:
Pin No. | Function | Voltage |
1. | Ground (-Ve)supply voltage | 0 |
2. | Input pulse Register | 0.1 |
3. | Output Baffer | 0 |
4. | Output Baffer | 0 |
5. | Output Baffer | 0 |
6. | Output Baffer | 0 |
7. | Output Baffer | 0 |
8. | Output Baffer | 0 |
9. | Output Baffer | 0.4 |
10. | Output Baffer | 0.2 |
11. | Output Baffer | 0 |
12. | Output Baffer | 0 |
13. | Output Baffer | 0 |
14. | Output Baffer | 0 |
15. | Output Baffer | 0 |
16. | Output Baffer | 0 |
17. | Output Baffer | 0 |
18. | Output Baffer | 0 |
19. | Flip flop | 0 |
20. | Flip flop output | 0 |
21. | Code checker | 0 |
22. | Code checker | 5.2 |
23. | Oscillator (4.43MHz.) | 2.6 |
24. | Positive(+Ve)supply voltage | 5.2 |
Pin Details of IC TC 9148P
Functions :
Pin No. | Functions | Voltage |
1. | Ground(-Ve supply voltage) | 0 |
2. | Oscillator(4.43MHz.) | 6.3 |
3. | Oscillator(4.43MHz.) | 6.3 |
4. | Key input Circuit | 0 |
5. | Key input Circuit | 0 |
6. | Key input Circuit | 0 |
7. | Key input Circuit | 0 |
8. | Key input Circuit | 0 |
9. | Key input Circuit | 0 |
10. | Timing signal generator | 6.3 |
11. | Timing signal generator | 6.3 |
12. | Timing signal generator | 6.3 |
13. | Code bit signal generator | 6.3 |
14. | Test point | 6.3 |
15. | Output synthesizing circuit | 6.3 |
16. | Positive(+Ve)supply voltage | 6.3 |
Pin Details of IC TBA1440
Functions :
Pin No. | Functions | Voltage |
1. | IF input | 4.3 |
2. | Decoupling capacitor for the DC feedback loop of the IF amplifier | 4.3 |
3. | Ground(-Ve)supply voltage | 0 |
4. | RF AGC | 1.4 |
5. | Tuner AGC output | 1.3 |
6. | RF AGC adjustment | 1.5 |
7. | Horizontal flyback(blanking)pulse input (15625Hz.)from EHT | 0.4 |
8. | Video detector | 7.5 |
9. | Video detector (output) | 8.2 |
10. | Video input (phase detector) | 3.1 |
11. | Comporite video signal output | 4.4 |
12. | Comporite video signal output | 4.4 |
13. | Positive(+Ve)supply voltage | 12.5 |
14. | Video detector control | 0.8 |
15. | Decoupling capacitor for the DC feedback loop of the IF amplifier | 4.3 |
16. | IF input | 4.3 |
Pin Details of IC TBA920
Substitute : CA920 ,1034
Functions :
Pin No. | Function | Voltage |
1. | POSITIVE (+Ve) supply voltage | 12 |
2. | 15625Hz.frequency output to horizontal driver section | 4.2 |
3. | Pulse shaper and phase shifter | 2.4 |
4. | Phase discriminator | 2.4 |
5. | Flyback (blanking)pulse input (15625Hz.)from EHT | -0.2 |
6. | Horizontal sync input (phase discriminator)(15625Hz.) | 0 |
7. | Separated sync output | 1 to 7 |
8. | Composite video signal input | 0.2 |
9. | Noise gating | 0 |
10. | Coincidence detector | 2.6 |
11. | Time constant switching | 3.2 |
12. | Control voltage limiter | -1.4 |
13. | Horizontal oscillator (reference voltage)(15625Hz.) | 7.5 |
14. | Horizontal oscillator (15625Hz.generation) | 7 |
15. | Horizontal oscillator (15625Hz)control (H-Hold) | 3 |
16. | Ground (-Ve terminal) | 0 |
Note:
1. if top shifting occurs when VCR is connected .
2.Please use styroflex capasitor only (10 Kpf)at Pin No.14.
Pin Details of IC TBA810P
Substitute : TBA810CB ,GL1146
Functions :
| Pin No. | Functions | Voltage |
| 1. | Positive(+Ve)supply voltage | 12 |
| 2. | Not Connected | - |
| 3. | Not Connected | - |
| 4. | Bootstrap | 12 |
| 5. | Compensation | 0.6 |
| 6. | Negative feedback (output to input) | 1.4 |
| 7. | Ripple rejection | 6.2 |
| 8. | Audio input | 0.3 |
| 9. | Ground (Substrate) | 0 |
| 10. | Ground(-Ve)supply voltage | 0 |
| 11. | Not Connected | - |
| 12. | Audio signal output | 6.5 |
Pin Details of IC TBA810C
Substitute : TBA 810P ,GL1146
Functions :
Pin No. | Function | Voltage |
1. | Positive(+Ve )supply voltage | 12 |
2. | Not connected | - |
3. | Not connected | - |
4. | Bootstrap | 12 |
5. | Compensation | 0.6 |
6. | Negative Feedback (output to input ) | 1.4 |
7. | Ripple rejection | 6.2 |
8. | Audio input | 0.3 |
9. | Ground (substitude) | 0 |
10. | Ground (-Ve) supply voltage | 0 |
11. | Not connected | - |
12. | Audio signal output | 6.5 |
Pin Details of IC TBA810
Substitute : CA810
Functions : Power amplifier
Pin No. | Function | Voltage |
1. | Positive (+Ve)supply voltage | 12 |
2. | Not connected | NC |
3. | Not connected | NC |
4. | Ground (-Ve) supply voltage | 0 |
5. | Ground (-Ve) supply voltage | 0 |
6. | Bootstrap | 12 |
7. | Compensation | 0.6 |
8. | Feedback (output to input ) | 1.4 |
9. | Ripple rejection | 6.2 |
10. | Audio input | 0.3 |
11. | Negative voltage (substitude) | 0 |
12. | Ground (-Ve) supply voltage | 0 |
13. | Ground (-Ve) supply voltage | 0 |
14. | Ground (-Ve) supply voltage | 0 |
15. | Not connected | NC |
16. | Audio output | 6.5 |
Pin Details of IC TBA120U
Substitute : A223D ,SN76622 ,U223
Functions :
1.Sound IF Amplifier.
2.FM Detector.
3.A.F.Ampliefier
Pin No. | Function | Voltage |
1. | ground( -Ve supply voltage ) | 0 |
2. | Sound IF input (5.5 MHz) | 1.9 |
3. | Audio voltage input | 2.9 |
4. | Volume Feedback | 4.8 |
5. | volume control (Electronic attenuator) | 3.8 |
6. | Not connected | NC |
7. | FM Detector | 3.3 |
8. | Audio output | 4 |
9. | FM Detector | 3.3 |
10. | Not connected | NC |
11. | Positive (+ Ve supply voltage) | 11 |
12. | Fixed AF Output | 5 |
13. | Sound I.F. Feedback | 1.9 |
14. | Sound I.F. Input(5.5 Mhz.) | 1.9 |
Pin Details of IC TBA120T
Substitute : A224D ,SN76623
Functions :
1.Sound IF Amplifier.
2.FM Detector.
3.A.F.Ampliefier
Pin No. | Functions | Voltage |
1. | Ground( -Ve supply voltage ) | 0 |
2. | Sound IF input (5.5 MHz) | 1.9 |
3. | Audio voltage input | 2.9 |
4. | Volume Feedback | 4.8 |
5. | volume control (Electronic attenuator) | 3.8 |
6. | FM Detector | - |
7. | FM Detector | 3.3 |
8. | AF Output | 4 |
9. | FM Detector | 3.3 |
10. | FM Detector | - |
11. | Positive (+ Ve supply voltage) | 11 |
12. | Fixed AF Output | 5 |
13. | Sound I.F. Feedback | 1.9 |
14. | Sound I.F. Input(5.5 Mhz.) | 1.9 |
Pin Details of IC TBA120S
Substitute : A220D ,SN76620
Functions :
1.Sound IF Amplifier.
2.FM Detector.
3.A.F.Ampliefier
Pin No. | Function | Voltage |
1. | Ground( -Ve supply voltage ) | 0 |
2. | Decoupling capacitor | 1.9 |
3. | Ground( -Ve supply voltage ) | 0 |
4. | Ground( -Ve supply voltage ) | 0 |
5. | Volume control (Electronic attenuator) | 3.8 |
6. | FM Detector | - |
7. | FM Detector | 3.3 |
8. | Audio output | 4 |
9. | FM Detector | 3.3 |
10. | FM Detector | - |
11. | Positive (+ Ve supply voltage) | 11 |
12. | Ground (+ Ve supply voltage) | 0 |
13. | Decoupling capacitor | 1.9 |
14. | Sound I.F. Input(5.5 Mhz.) | 1.9 |
Pin Details of IC TA7710
Functions :
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 |
