Parker TC1475, Service Manual

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Mute setting
0
Not mute in no signal TV mode
when no blue background,
MODE2.0
1
Mute in no signal TV mode
when no blue background
0
Mute in no signal AV mode
when no blue background
MODE2.1
1
Not mute in no signal AV mode
when no blue background
Signal transacting part:
TC1475 / TC2175 / TF2139
14
Definition & Function of TMPA8873-XXXX Pins
Analog GND
Input port for flyback pulse
Output port for horizontal driver pulse
Connect port for horizontal AFC filter
The voltage of this port control the frequency of H-VCO
Connect capacitor for SAW generating,
The amplitude of SAW is a constant because of the
controlling of V-AGC
Vertical driver pulse output
8V power for deflection
Analog GND
Input port for Cb signal
Input port for Y signal
Input port for Cr signal
AUDEO1 input
Input port for C signal
Input port for CVBS/Y signal
Interface for ACL filter
Input port for TV video signal
ABCL input
Port 1 for audio output with volume control function
Port 2 for audio output with volume control function
PIF demodulation signal(full TV signal) output
Sound intermediate frequency output(may no periphery
circuit)
AUDEO2 input
Second sound intermediate frequency or horizontal phase
emendation signal input
Connect with capacitor
TV GND
FBP-IN
H-out
H-AFC
V-SAW
V-out
H-Vcc
TV GND
Cb
Y-IN
Cr
EXT-AU1
C-in
V2
ACL
TV-in
ABC-in
Audio-out1
Audio-out2
TV-out
SIF
EXT-AU2
SIF in
DC NF
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