ra-1210-tm维修电器原理图

R▣T三L⑧RA-1210STEREO PRE-MAIN AMPLIFIER。}10.88H8technical manualTABLE OF CONTENTSCHASSIS LAYOUTPRE-AMPLIFIER CIRCUIT BOARD DIAGRAM............7PRECAUTIONS......................................3AUXILIARY INPUT CIRCUIT BOARD DIAGRAM7BIAS (IDLING CURRENT)ADJUSTMENT ...............3TONE AMPLIFIER CIRUCIT BOARD DIAGRAM....·.·8TROUBLE SHOOTING ...............................4EQUALIZER AMPLIFIER CIRCUIT BOARD DIAGRAM ...8STABILIZER CIRCUIT BOARD DIAGRAM...............5RECTIFIER CIRCUIT BOARD DIAGRAM..,.·....·9LOUDNESS AND MUTING CIRCUIT BOARD DIAGRAM ..5RELAY CIRCUIT BOARD DIAGRAM....................9PHONO INPUT CIRCUIT BOARD DIAGRAM·,.:·5SCHEMATIC DIAGRAM·1MAIN AMPLIFIER CIRCUIT BOARD DIAGRAM·····6ADDENDUM…12FILTER CIRCUIT BOARD DIAGRAM...................6PARTS LIST…12R▣T三L四