Teac 11AK33, Service Manual

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10. INT interrupt
11. IN1 V/R Input for external YUV/RGB source
12. IN2 Y/G Input for external YUV/RGB source
13. IN3 U/B Input for external YUV/RGB source
14. FSW fast switch input for YUV/RGB switch
15. SEL fast blanking output for PIP
16. OUT3 analog output: chrominance (B-Y) or -(B-Y) or B
17. OUT2 analog output: luminance signal Y or G
18. OUT1 analog output: chrominance (R-Y) or -(R-Y) or R
19. VDDA2 analog supply voltage (V DDA ) for DAC
20. VSSA2 analog ground (V SS ) for DAC
21. VREFH reference voltage for ADC and DAC (high)
22. VDDA1 analog supply voltage (V DDA ) for ADC
23. VSSA1 analog ground (Vss) for ADC
24. CVBS3 CVBS Input 3 or C (selectable via I²C-bus)
25. VREFL reference voltage for ADC (low)
26. CVBS2 CVBS Input 2 or Y (selectable via I²C-bus)
27. VREFM reference voltage for ADC(medium)
28. CVBS1 CVBS Input 1 (selectable via I²C-bus)
TDA9886
I²C-bus controlled single/multistandard alignment-free IF-PLL
The TDA9886 is an alignment-free multistandard (PAL, SECAM and NTSC) vision IF signal PLL demodulator for positive
and negative modulation.
Features
n 5 V supply voltage
n Gain controlled wide-band Vision Intermediate Frequency (VIF) amplifier (AC-coupled)
n Multistandard demodulation with active carrier regeneration
n Gated phase detector for L/L accent standard
n Fully integrated VIF Voltage Controlled Oscillator (VCO), alignment-free; frequencies switchable for all negative
and positive modulated standards via I²C-bus
n Digital acquisition help, VIF frequencies of 33.4, 33.9, 38.0, 38.9, 45.75 and 58.75 MHz
n 4 MHz reference frequency input [signal from PLL tuning system] or operating as crystal oscillator
n VIF Automatic Gain Control (AGC) detector for gain control,
n Fully digital Automatic Frequency Control (AFC) detector with 4-bit digital-to-analog converter;
n Alignment-free selective FM-PLL demodulator with high linearity and low noise
n I²C-bus control for all functions
PINNING
1. VIF1 VIF differential input 1
2. VIF2 VIF differential input 2
3. OP1 Output 1 (open-collector)
4. FMPLL FM-PLL for loop filter
5. DEEM De-emphasis output for capacitor
6. AFD AF decoupling input for capacitor
7. DGND Digital ground
8. AUD Audio output
9. TOPTuner AGC TakeOver P oint (TOP )
10. SDA I² C-bus data input/output
11. SCL I² C-bus clock input
12. SIOMAD Sound intercarrier output and MAD select
13. NC Not connected
14. TAGC Tuner AGC output
15. REF 4 MHz crystal or reference input
16. VAGC VIF-AGC for capacitor
17. CVBS Video output
18. AGND Analog ground
19. VPLL VIF-PLL for loop filter
20. VPSupply voltage (+5 V)
21. AFC AFC output
22. OP2 Output 2 (open-collector)
23. SIF1 SIF differential input 1
24. SIF2 SIF differential input 2