DESCRIPTION
This is the visual mute signal circuit from the radio receiver assembly to the multi-display controller sub-assembly.
WIRING DIAGRAM
| *1 | Multi-display Controller Sub-assembly |
| *2 | Radio Receiver Assembly |
PROCEDURE
INSPECT RADIO RECEIVER ASSEMBLY
| *a | Component with harness connected (Radio Receiver Assembly) |
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J50-9 (VMTR) - Body ground | RSE playing → Source changed |
Above 3.5 V → Below 1 V |
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - RADIO RECEIVER ASSEMBLY)
Disconnect the J50 radio receiver assembly connector.
Disconnect the R13 multi-display controller sub-assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J50-9 (VMTR) - R13-8 (VMTR) | Always | Below 1 Ω |
| J50-9 (VMTR) - Body ground | Always | 10 kΩ or higher |
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT RADIO RECEIVER ASSEMBLY
| *a | Front view of wire harness connector (to Multi-display Controller Sub-assembly) |
Reconnect the J50 radio receiver assembly connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| R13-8 (VMTR) - Body ground | Television display assembly ON | Above 3.5 V |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here |
| NG |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |