Sound Signal Circuit Between Headphone Terminal and Television Display
AUDIO / VISUAL: REAR SEAT ENTERTAINMENT SYSTEM: Sound Signal Circuit between Headphone Terminal and Television Display
- Sound Signal Circuit between Headphone Terminal and Television Display
DESCRIPTION
This circuit sends a sound signal from the television display assembly to the headphone terminal.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK REAR SEAT ENTERTAINMENT
(a) Check the rear seat entertainment.
Result
B -- CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY - HEADPHONE TERMINAL)
A -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY - REAR SEAT CONSOLE BOX)
(a) Disconnect the R59 television display assembly connector.
(b) Disconnect the R16 rear seat console box assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. INSPECT REAR SEAT CONSOLE BOX ASSEMBLY
(a) Remove the rear seat console box assembly Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPLACE REAR SEAT CONSOLE BOX ASSEMBLY Removal
OK -- Continue to next step.
4. CHECK TELEVISION DISPLAY ASSEMBLY
(a) Using an oscilloscope, check the waveform between each terminal and the body ground according to the conditions as shown in the table below.
OK:
Text in Illustration
NG -- REPLACE TELEVISION DISPLAY ASSEMBLY Removal
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table
5. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY - HEADPHONE TERMINAL)
(a) for LH:
(1) Disconnect the R62 television display assembly connector.
(2) Disconnect the r7 headphone terminal connector.
(3) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
(b) for RH:
(1) Disconnect the R62 television display assembly connector.
(2) Disconnect the r8 headphone terminal RH connector.
(3) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
6. CHECK TELEVISION DISPLAY ASSEMBLY
(a) Using an oscilloscope, check the waveform between each terminal and the body ground according to the conditions as shown in the table below.
OK:
Text in Illustration
NG -- REPLACE TELEVISION DISPLAY ASSEMBLY Removal
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table