JVC TK-1280E - Page 39

TK-1280E/-1180E/-1281EG
1. Adjusting the Voltage
TP-2 (V) R11 (5V ADJ) 1. Connect digital voltmeter to TP — 2 (SV)
(Mother board] | [Mother board] 2. Set the voltage to 5.0V with R11
(5V ADJ).
28M frequenc aesieusee. || R54 VR (28MADJ) VR (28MADJ)}1. Connect a frequency counter to TP — 17.
adjustment (CDS/TG board]| [CDS/TG board] . Adjust the frequency to 28.6375 MHz + 10 Hz
with R54 (28MAD\).
G/L fx Oscilloscope TP - 18 . Connect an oscilloscope probe to TP —- 18.
contro! voltage [CDS/TG board]} [CDS/TG board] . Connect an external SYNC and establish
adjustment (or TP-1 GEN LOCK or LINE LOCK operation.
[SSG/GEN . Adjust the voltage to 25V+0.1V with
board] R60 (fx) VR.
G/L fse Oscilloscope _ R97 (4 fsc) . Connect an oscilloscope probe to TP — 2.
contro! voltage [SSG/GEN board] | [SSG/GEN board} . Connect an external SYNC and establish GEN
adjustment LOCK or LINE LOCK operation.
. Adjust voltage to 3 V + 0.1 V with R97 (4 fsc)
VR.
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