Tu/If Block Diagram - Zenith XBV323 Series Service Manual

2. TU/IF BLOCK DIAGRAM

TU.V.OUT 732
AFT 100
REG. BLOCK
5V
REG. BLOCK
9V
3-22 3-23
875 MOD A.IN
61 MOD CTL
106 5.0V
26 VCR 'H'
671 MOD V.IN
71 IIC CLK
72 IIC DATA
781 SIF OUT