Service Adjustments - JVC AV-21BD5EKI Service Manual

SERVICE ADJUSTMENTS

BEFORE ADJUSTMENT AND MAINTENANCE
1. Don't short any two soldering points or connect any component while TV set is power on.
2. Withdraw power plug before maintenance.
3. In order to ensure safety all components replaced should be identical. (For further details, refer to the component name and component No.
in PARTS LIST.)
4. Must be warm up the set for 30 minutes or more and degauss CRT thoroughly with demagnetizer coil before adjustment.
EQUIPMENT FOR ADJUSTMENT
1. Pattern Generator
2. Digital volt meter
3. Oscilloscope
4. Demagnetizer
5. Service remote controller (For repair service)
6. Remote controller (RM-C71 or RM-C72)
(RM-C71)
Remote Controller
ADJUSTMENTS PROCEDURES
+B VOLTAGE CHECK
1. Receive a standard colour bar signal.
2. Connect digital volt meter between + of B1 Line circuit and GND.
3. Confirm that voltage is DC 123V # 2.0V.
(RM-C72)
No.51742
AV-21BD5EKI AV-21BD5EP AV-21BD5EE
AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES
Service Remote Controller
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