TABLE OF CONTENTS
Update history
IR-200M, IR-300M Y
1
No.833-73-809-10
INFRARED WIRELESS MICROPHONES
IR-200M, IR-300M
Y
IR-200M
IR-300M
HS0905
NOTE ON REPAIR WORK SAFETY ......................................................................................................... 2
GENERAL DESCRIPTION ......................................................................................................................... 2
SPECIFICATIONS
• IR-200M ........................................................................................................................................... 3
• IR-300M ........................................................................................................................................... 3
NOMENCLATURE AND FUNCTIONS
• IR-200M ........................................................................................................................................... 4
• IR-300M ........................................................................................................................................... 4
DISASSEMBLING INSTRUCTIONS (IR-200M) ......................................................................................... 5
ADJUSTMENT PROCEDURE
• Measuring instruments to be used ................................................................................................... 6
• Connection diagram ......................................................................................................................... 6
• Adjustment points and input/output .................................................................................................. 7
• Adjustment and Check Method ........................................................................................................ 8
OPERATION FLOW
• At power on ...................................................................................................................................... 9
• From turning off the power switch to when the operation stops ....................................................... 9
TROUBLESHOOTING
• IR-200M ......................................................................................................................................... 10
• IR-300M ......................................................................................................................................... 10
BLOCK DIAGRAMS AND OPERATION DESCRIPTION
• IR-200M ......................................................................................................................................... 11
• IR-300M ......................................................................................................................................... 12
SCHEMATIC DIAGRAMS
• IR-200M
MAIN PCB ................................................................................................................................... 13
SUB PCB .................................................................................................................................... 14
• IR-300M
BATT PCB ................................................................................................................................... 15
IR PCB ........................................................................................................................................ 16
SW PCB ...................................................................................................................................... 17
MOUNTING DIAGRAMS AND PARTS LISTS
• IR-200M
MAIN PCB ................................................................................................................................... 18
SUB PCB .................................................................................................................................... 18
Charge contact PCB ................................................................................................................... 18
PARTS LIST ................................................................................................................................ 18
• IR-300M
BATT PCB ................................................................................................................................... 20
IR PCB ........................................................................................................................................ 20
SW PCB ...................................................................................................................................... 20
Charge contact PCB ................................................................................................................... 20
PARTS LIST ................................................................................................................................ 20
EXPLODED VIEWS AND PARTS LISTS
• IR-200M ......................................................................................................................................... 22
• IR-300M ......................................................................................................................................... 23
• Strap replacement procedure (IR-300M) ....................................................................................... 24
TABLE OF CONTENTS
