Sound Signal Circuit Between Multi-Display Controller And Television Display

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Sound Signal Circuit between Multi-display Controller and Television Display

DESCRIPTION

This is the sound signal circuit from the multi-display selector to the television display.
HINT:
"Multi-display Controller" refers to the multi-display selector.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK TELEVISION DISPLAY ASSEMBLY





(a) Disconnect the L26 display connector.
(b) Using an oscilloscope, check the signal waveform between each terminal and the body ground according to the conditions shown in the chart below.
OK:






NG -- CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY SELECTOR - TELEVISION DISPLAY ASSEMBLY)
OK -- REPLACE TELEVISION DISPLAY ASSEMBLY
2. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY SELECTOR - TELEVISION DISPLAY ASSEMBLY)





(a) Disconnect the L24 selector connector.
(b) Disconnect the L26 display connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MULTI-DISPLAY SELECTOR