Sony SX-M700 Service Manual page 117

BOARD LAYOUTS AND SCHEMATIC DIAGRAMS
Board Name Circuit Function
AA-79/79X Audio Interface (MIC, LINE, TELEPHONE COUPLER) ..................................... 9-2
AA-93/93X Audio Interface (Chairman's & Delegate's & Interpreter's units) .......................... 9-6
Changed MASTER VR position & Audio Analog Limiter Level
AL-31 Expansion Interface (Chairman's & Delegate's units) .......................................... 9-18
Changed Audio Analog Limiter Level
AU-202 Telephone Coupler's Audio board ........................................................................ 9-22
SW-704 POWER sw & POWER indicator ......................................................................... 9-22
CPU-181 CPU (MAIN), CPU (EXT) .................................................................................... 9-24
CPU-188 Option CPU board ................................................................................................. 9-28
HP-65 Headphone Amp .................................................................................................... 9-30
MT-105 Level Meter ........................................................................................................... 9-30
PS-363 AC line input/Line Filter ....................................................................................... 9-32
PS-364 Switching Regulator .............................................................................................. 9-32
AC-190 Power Line Filter ................................................................................................... 9-32
SW-710 MIC LIMIT/DIRECT ACCESS/SEAT ASSIGN switch ...................................... 9-34
SW-722 MONITOR Channel Selector ................................................................................ 9-34
SW-723 TELEPHONE COUPLER selection ...................................................................... 9-34
CN-1478 External Unit Signal Input/Output ......................................................................... 9-34
TR-107 Matching Transformer board ................................................................................. 9-34
VR-237 Volume Control ..................................................................................................... 9-34
FRAME SX-M700/SXA-120 ............................................................................................... 9-36
FRAME SX-M100/SXA-120 ............................................................................................... 9-37
FRAME SX-E120 ................................................................................................................ 9-38
SX-M700
SECTION 9
Page
9-1