Philips MX975D, Руководство по обслуживанию

Страница: 49 / 116

ADJUSTMENT PROCEDURES
Display Location of Printed Circuit Boards
Safety & ESD Notices
SAFETY
Safety regulations require that the set be restored to its
original condition and that parts which are identical with
those specified be used.
Safety components are marked by the symbol
WARNING
ESD
WARNING
All ICs and many other semiconductors are susceptible to
electrostatic discharges (ESD).
Careless handling during repair can reduce life drastically.
When repairing, make sure that you are connected with
the same potential as the mass of the set via a wristband
with resistance.
Keep components and tools at this potential.
Block Diagrams
Display Overall Block Diagram
Display ECO 5 Tuner Board Block Diagram
Display Multi-Channel Decoder Block Diagram
Service Test Program
Display Service Test Program
Tuner Adjustment Table - ECO 5
Display ECO 5 Tuner Adjustment Table
Troubleshoting the Multi-Channel Decoder
Dislay MDM Troubleshooting Chart