Teac AGD8900 free download

File name Teac-AGD8900 rec.pdf

SERVICE MANUAL AG-D8900 AV Digital Surround Receiver CONTENTS SAFETY INSTRUCTIONS 2 SPECIFICATIONS 3 MEASUREMENTS AND ADJUSTMENTS 5 FIP DISPLAY 8 DISPLAY PIN CONNECTION 9 IC BLOCK DIAGRAMS AND PIN FUNCTIONS 10 EXPLODED VIEWS AND PARTS LIST 22 PC BOARDS AND PARTS LIST 24 INCLUDED ACCESSORIES 29 NOTES PC boards shown are viewed from parts side. The parts with no reference number or no parts number in the exploded views are not supplied. As regards the resistors and capacitors, refer to the circuit diagrams contained in this manual. Ј Parts marked with this sign are safety critical components. They Ј must be replaced with identical components - refer to the appropriate parts list and ensure exact replacement. Parts of [ ] mark can be used only with the version designated. Effective : January, 2002 S-0000A SAFETY INSTRUCTIONS PRECAUTIONS DURING SERVICING The leakage-current should be less than 0.5mA rms AC. 1. Parts identifide by the ( )symbol parts are critical The resistance measurement should be done between for safety. Replace only with parts number specified. accessible exposed metal parts and power cord plug 2. In addition to safety, other parts and assemblies are prongs with the power switch (if included) "ON". The specified for conformance with such regulations as resistance should be more than 2.2M Ohms. those applying to spurious radiation. PRECAUTIONS IN REPAIRING These must also be replaced only with specifide When repairing or adjusting the unit, please note the replacements. following points. Examples :RF converters, tuner units, antenna 1. Do not put excessive pressure on the mechanical selectswitches, RF cables, noise blocking capacitors, part (operation part), including the pick-up block, as noise blocking filters, etc. extremely high mechanical precision is required in 3. Use specified internal wiring. Note especially : these parts. 1) Wires covered with PVC tubing 2. When the base is removed for repair adjustment, 2) Double insulated wires make