Zenith H27G48S Service Manual - Page 62

1 G F E D C B A 3828VD0171E Small Signal Top 2 3 4 5 6 7 8 9 10 RX3 8 3 1 QX3 8 2 2 IC X3825 C X3 8 2 4 C X3 8 2 2 FID1 CN2B 1 C N2 C 1 1 RX3 9 2 0 C X3 8 2 3 C X3 8 2 1 LX3822 RX382 0 C X3 8 7 0 C N2 C 9 C X3 8 7 1 LX3 8 2 4 QX3 8 2 0 IN OUT RX3 8 2 2 C TL L2 2 05 C X3 8 2 8 LX3 821 LX3 823 C X3 8 2 6 C X3 8 2 7 RX3 8 2 9 E C B EE E LX3 8 7 0 CC C DX3 8 2 0 C 2717 C 2731 B B B RX3 8 2 1 GND E B B RX3 8 3 0 C C E GND RX3 8 3 7 QX3 8 2 1 RX3 8 2 8 RX3 8 2 3 C X3 8 2 9 L2 701 IC X3820 FID19 C X3 8 3 5 RX3 8 3 9 C 2719 C2721 C2723 FID2 0 C2209 OUT DX3 8 2 1 IN C2725 C2727 C X3 8 4 0 C 2210 C X3 8 3 4 RX3 8 3 8 IC X3 8 2 4 IN C 2729 C 2211 C X3833 RX3826 RX3 8 2 5 RX3 8 2 4 C2234 RX3 8 3 6 FID2 1 Q2 7 0 3 Q2 7 0 2 Q2 7 0 1 L2 20 4 CN2P6 CN4C9 1 1 Q2 2 0 9 B E C C E B B E C Q2 2 0 4 D2 2 0 0 Q2 2 0 5 D2 2 0 1 FID2 3 C2247 FID2 4 D2 2 0 2 Q2 2 0 3 C E B C 2213 C RY2200 Q2 2 0 1 C2229 FID11 1 B FID12 C E C2205 C2223 C2204 C2203 C2202 W2 2 0 1 RX3 8 2 7 C X3 8 3 1 C X3 8 3 0 C X3 8 3 2 C TL GND OUT C TL C X3 8 3 9 C X3 8 3 7 C2246 FID2 2 C X3 8 3 8 IN C TL C X3 8 3 6 IC X3821 IN C X3 8 4 2 IC X3 8 2 3 RX3 8 3 4 GND OUT GND OUT IC X3 8 2 2 GND OUT C TL IN C 2707 C 2709 C 2711 C2703 RX3 8 3 5 RX3 8 3 2 Q6 0 0 0 RX3 8 3 3 Q6 0 0 4 C R6066 B E B C E CN2K6 1 C6025 L6 00 2 L6 0 0 0 C6008 C RY6000 C6022 C 6 0 19 C6003 Q6 0 0 2 D6 0 0 1 D6 0 0 2 C BB B E C C EE Q6 0 0 1 D6 0 0 0 C2734 C2701 C2705 C2733 D2 7 0 9 D2 7 10 C N8VGA2 R2 712 R2 7 3 1 L2 2 06 R2 714 L27 03 D2 7 0 5 C2756 D2 7 0 3 C2758 D2 7 0 1 C2239 B C E C2240 FID2 6 Q2 2 0 0 C2753 C RY2700 C2201 C2206 FID2 5 FID9 C2750 FID10 C2761 C2762 L14 0 2 C RY14 00 C 2 7 15 C2220 IC 1400 L27 04 1 D2 7 0 2 L27 02 C6060 Q6 0 0 3 L6 0 0 1 D2 7 0 8 D2 7 0 7 R2 7 3 2 C6032 C6031 R4 511 R4 5 0 9 R4 5 10 L6 00 3 L6 0 0 5 C RY6001 L6 0 0 4 C6059 C6062 C6063 IC 6001 D6 0 0 3 C6028 IC 6 0 0 2 GND OUT C4502 C C 4503 VCC R4 5 0 4 B 1 FID3 R4 5 0 2 R4 5 0 1 R4 5 0 3 R4 5 0 5 E Q4 5 0 1 R4 5 0 0 R4 5 0 8 D4 5 0 0 R4507 E R4506 C C E BB Q4 5 0 0 IC 4500 C4501 Q4 5 0 2 IC 6000 SH IELD R8 13 C 8 13 C N10VGA1 C X3 8 2 5 C 814 C X3 8 2 0 C N2 A 1 LX38 20 1 C N9 R4 R8 2 3 D2 7 0 4 R2 7 2 1 D2 7 0 6 R2 7 19 DIREC TION C 2 7 13 C 2 7 14 PROC ESS C N3 C 9 Q8 0 0 R2 717 C800 C N6 F2 C803 C 8 11 E C821 C C 822 C 8 12 B C823 C801 11 IC 8 0 0 1 R140 1 R14 0 2 C824 1 C N9L4 6 8 7 0 VM0 4 5 8 F MAY/ 11/ 2004 D2 0 0 0 Q2 0 0 5 Q2 0 0 4 GS C2929 Z D2 9 0 4 C2930 ZD2903 R2926 FID2 7 C N2 D1 L2 2 0 3 C2242 C2241 Q2 2 11 C N7 R2 CEB FID2 8 C2955 C2956 R2 9 3 2 R2 9 3 0 C2931 CN4B 8 GNDA 1 FID2 R2918 GNDC 1 C 2916 R2 9 6 5 R2 9 6 9 R2 9 6 8 R2 9 6 7 R2 9 7 2 R2 9 7 6 R2 9 7 5 R2 9 7 4 R2 9 7 9 R2 9 8 3 R2 9 8 2 R2 9 8 1 R2 9 8 6 C 2 9 15 R2 916 JP2 1 E B Q2 9 0 6 C E Q2 9 0 7 BE B Q2 9 0 8 C C R2 9 8 0 R2 9 6 6 R2 9 7 3 Q2 9 0 2 Q2 0 0 3 Q2 0 0 2 Q2 0 0 1 EE E CCC B BB L2 0 0 1 C2003 E B C B C E C2007 Q2 9 0 3 L2 900 C2937 FID16 L20 02 C RY2001 C2939 FID13 E L2 90 2 C2952 C2950 C2951 Q2 9 0 9 B R2 9 2 0 C 2 9 19 Z D2 9 0 8 Z D2 9 0 6 Z D2 9 0 7 E C R2987 R2 9 8 4 R2 9 8 5 R2 9 7 0 R2 9 7 1 R2 9 7 7 R2 9 7 8 1 C 2 9 5 3 C 2 9 10 C 2 9 2 3 C 2 9 5 4 C2924 R2 9 9 1 R2 9 0 9 R2 9 8 8 R2 9 8 9 FID15 R2 9 2 4 R2 9 0 7 R2 9 2 2 R2990 JP3 D Q2 9 0 4 C DG S FID14 C C 2 0 14 BE Q2 0 0 8 DIREC TION PROC ESS C 14 15 C 14 18 C 14 19 C 14 2 5 C 14 2 2 L14 0 3 L20 03 L20 04 C2022 L2 9 0 4 Q2 9 0 1 B C2906 C2925 C2909 C2901 B C2024 JP4 L2903 C 2 943 C E R2 9 0 0 C2900 ZD2 9 0 1 C 2911 L2 4 0 2 L2 905 Q2 9 0 5 E B C DL2 4 0 0 C 2 4 10 L24 01 W2 4 0 0 CB E C2408 E Q2 9 0 0 R2 9 10 C2947 R2 911 C Q2 4 0 0 ZD2 9 0 2 B Q2 4 0 1 B CE R2 913 R2 912 R2 9 0 3 C 14 27 R1414 1 W2 4 0 1 Z D2 9 0 0 C 14 16 C 14 20 Q14 0 3 B Q14 0 4 B C E C E R14 18 C 14 30 C 14 31 C 2 4 11 L24 00 C2938 DIREC TION PROC ESS L12 0 5 L12 0 6 L14 0 0 Q12 10 B C 12 50 C C 14 03 VC C IC 14 0 1 E Q12 11 E C B BB OUT CC E E C 12 53 GND Q14 0 1 Q14 0 0 C 14 00 C 14 08 L12 0 0 C 1207 GND1B A GC C HEC K W1 C N4 G9 C1203 C 1201 WT12 0 0 L12 0 1 C 12 09 C 12 35 C 1426 Q12 0 1 Q14 0 2 E B C U12 0 2 U12 0 1 L12 0 7 C 1221 Q12 0 2 C 12 17 L12 10 E C B C 1222 FID17 C E B C 12 14 L12 0 9 E C B Q12 0 3 L12 0 8 FID18 U12 0 0 C 12 28 C RY1201 Q12 0 0 B C E L12 0 4 L12 0 3 FID4 R122 6 C NTILT C4500 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER "X" IN THEIR COMPONENTS DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. 6-25 ALL COMPONENTS WITH "M" IN THE DESIGNATOR ARE A SURFACE MOUNTED COMPONENT. FCS 48 SERIES SHEET 25