Test T: Poor Quality/Distorted/No Sound While In SYNC Mode

PINPOINT TEST T: POOR QUALITY/DISTORTED/NO SOUND WHILE IN SYNC MODE

Normal Operation
The accessory protocol interface module (APIM) sends left and right channel analog audio signals through circuits VME52 (BU), RME52 (GY/OG), VME53 (VT/GN), and RME53 (BN/WH). These audio signals are sent to the audio control module (ACM).

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- ACM
- APIM

T1:

T1-T3:

T4-T5: