AIWA TVFS2180
Service Manual

Pin No.
43 44 45 46 47 48 49 50 51 52 53 54 55 56

Pin Name
SYNC-IN BLK-DET C-IN Y/C-VCC IFDET.OUT LOOP-FIL VCO-GND VCO VCO VCO-VCC SIF RIPPLE SIF/H-PIN FM-DC-NF

I/O
I � I � O � � � � � I � O I

Description
Input of the synchronous separation circuit. The terminal to be connected with an Black Det filter. Input of chroma signals. VCC of Y/C circuit. Composite video signal and SIF signal detected in IF circuit. Loop filter for IF PLL. GND of VCO and SIF circuit. The terminal connected with a tank coil for IF VCO. The terminal connected with a tank coil for IF VCO. VCC of IF VCO and SIF. H.curve correction and SIF input. Connected with cap to stabilize the performance of SIF injection-lock circuit. Output of 2nd SIF signal. The terminal for FM DC negative feedback and AGC filter for L-SECAM.

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