Zenith XBV613 Service Manual - Page 32
Y/c Block Diagram
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UPC - 719192169715
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3. Y/C BLOCK DIAGRAM (PB Mode) (REC Mode) Y/C ENA Y/C DATA Y/C CLOCK V. H/SW Y/C ENA Y/C DATA Y/C CLOCK X-TAL 3.58MHZ 4.7K EP PB 'A' EP PB 'B' SP PB 'B' SP PB 'A' 59 58 57 55 54 53 ENV AUDIO C-ROT DET MUTE RF-SW HA SW IN OUT 39 64 ACC DET 65 P 67 P 72 P 74 P 3.58M BPF2 C-LPF MAIN CONV 4.21M BPF SUB CONV ACC AMP ACC DET CLAMP CCD CNC CLAMP 37 36 IN VCA CLAMP 34 3.58M BPF1 YNR COMB Y LPF Y/C MIX DOUBLE FM SUB LIM DEM LPF MAIN DE-EM 6dB 26 FM AGC PB FM-EQ 22 B 21 V.OUT EP REC SP REC 66 R 69 70 73 R 57 55 54 53 51 50 49 48 47 SERIAL DECODER C-LPF MAIN CONV 4.21M BPF SUB CONV VX01 320FH SLD VCO REC APC REC APC BGA OUT 39 38 CCD CLAMP 37 IN 36 VCA CLAMP 34 B-UP AMP ACC AMP ACC DET DETAIL ENH CLAMP NL MAIN EMPHA EMPHA FM MOD 3.58M BPF1 YNR COMB Y LPF VIDEO AGC TU/LINE1 32 30 DVD 28 LINE2 IC302 SW BLOCK REC FM-EQ V.OUT 26 22 B 21 20 3-23 3-24
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