JVC AV32F703N
Instrukcja Serwisowa

AV-32F703 AV-32F713 AV-32F803

HOW TO CHECK THE HIGH VOLTAGE HOLD DOWN CIRCUIT
1. HIGH VOLTAGE HOLD DOWN CIRCUIT After repairing the high voltage hold down c ircuit shown in Fig. 1. This circuit shall be checked to operate correctly. 2. CHECKING OF THE HIGH VOLTAGE HOLD DOWN CIRCUIT (1) Turn the power switch to on. (2) As shown in Fig. 1, set the resistor between (3) Make sure that the screen pic ture disappears. (4) Temporarily unplug the power plug. (5) Remove the resistor replac ed S1 connec tor 2 and 3. S1 c onnector 2 and 3 .

(6) Again plug the power plug, make sure that the normal picture is displayed on the screen.

RESISTOR 19.3 k Ω± 96.5 Ω B1 Q951 R950 PO WER ON OFF Q532 (NC) D535 Q531 R935 D534 D531 C533 R535 R537 C525 FR529 D525 4 T502 HVT 5 4 3 2 1 S1 CONNECTOR HEATER

Fig. 1

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