Circuit Descriptions; Circuit Descriptions; Tuner - Hitachi 36SDX88B Service Manual

Circuit Descriptions
I. Tuner (F-EVP-50SR)
This chassis uses a 181 channel tuner in which the / PLL section (prescaler built-in) and IF
section are made into one unit.
tance between
rminal base and
TAI 270 TAI 270
DAC 1 DAC 2
SDA SCL
> RF
AMP
= Mixer k IF = Saw -
1F > MTS
AMP Filter - Detector Decoder
PIF
MTX matrix (TAI 270 DAC l/Z)
yqq%g
Video L R
out out out
91