Zenith XBR411 - Tuner;Mtz Block Diagram

A.IN CH S/W REG 5V CONTROL V.IN RF AGC NC ENABLE CLOCK DATA AFT A.OUT SIF TU 30V NC V.OUT
999 GND
100AFT
731TU.V.OUT
875 MOD A.IN
61 MOD CTL
106 5V
26 VCR 'H'
671 MOD VEDIO
71 IIC CLK
72 IIC DATA
781 SIF OUT
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
LGXBR446 (LGEUS)
45833V
3-22 3-23
2. TUNER/MTZ BLOCK DIAGRAM