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Part 1 Chassis Description
1.
Chassis Summary
The following figure shows a basic block diagram of the AC1 chassis. This chassis is con-
structed by the following ICS;
LC864508,
IC801, for the CPU (system control circuit) for AC I -A chassis
LC864512,
IC801, for the CPU (system control circuit) for AC1 -B chassis
LC864516,
IC801, for the CPU (system control circuit) for AC1 -C chassis
LA7687,
IC201, for the IF, video, chroma de-modulation
and deflection circuit
L
LC89950,
IC271, for the 1H delay line circuit
LA7642,
IC280, for the SECAM decoder circuit
LA7837,
IC501, for the vertical deflection output circuit
LA4287,
ICOO1, for the audio output circuit, for AC1 -B chassis
LA4285,
ICOO1, for the audio output circuit, for AC1 -A and AC1 -C chassis
ST24C02AB,
etc., IC802, for the control memory IC
...... ......
..52n-m
1-
%..s: =~=~~
I
SASS
EX
1
AUDIOIN
ESTERNM AUDIOIN
.
.
t
—.
All
L
FOWR SUPWY
CIRCUIT
—
-3-
Training
Manual
AC 1Chassis
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