TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.099
BE/Body Electrical Systems100 / 203
p.101
SOUND QUALITY POOR (VOLUME FAINT) — MK4 Supra Body Electrical Systems, page 100
100%
BE–100 BODY ELECTRICAL SYSTEM – AUDIO SYSTEM 14 Tape Player SOUND QUALITY POOR (VOLUME FAINT) W : w/ Power Amplifier WO : w/o Power Amplifier Function OK if different cassette tape installed? Yes → Cassette tape faulty? No ↓ Operates normally after cleaning the heads? (See MAINTENANCE OF TAPE PLAYER) Yes → Head dirty. No ↓ Is radio operating normally? Yes → Radio assembly faulty. No ↓ Is speaker properly installed? No → Install properly. Yes ↓ Temporarily install another speaker. Functions OK? Yes → Speaker faulty. No ↓ WO Radio assembly faulty. W Radio assembly or power amplifier faulty. 15 Tape Player TAPE JAMMED, MALFUNCTION WITH TAPE SPEED OR AUTO REVERSE W : w/ Power Amplifier WO : w/o Power Amplifier I Functions OK is different tape (less t than 120 mins.) is installed? Yes → Cassette tape faulty. No ↓ is there a foreign object inside tape player? Yes → Remove foreign object. No ↓ Operates normally after cleaning the heads? (See MAINTENANCE OF TAPE PLAYER) Yes → Head faulty. No ↓ Radio assembly faulty.