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S
PEAKER
MH-66
Service Manual
The MH-66 is a Speaker Microphone designed especially for Vertex Standard transceivers*.
: Check with the latest Vertex Product Catalog for a list of the transceivers that can be used with each version.
*
Specifications
Microphone Impedance: 2.2k-ohm at 1 kHz
Speaker Impedance:
Speaker Input:
Weight (approx.):
Connector Pinout Diagram
Pin 5 (Select)
Pin 3 (GND)
Pin 1 (Speaker +)
MH-66
Service Manual
A4B/A7A/B7A
M
ICROPHONE
A4B/A7A/B7A
MH-66
A4B/A7A
MH-66
: 4-ohm, MH-66
A4B
max. 0.6W
170g
Pin 8 (5.0V)
Pin 6 (PTT)
Pin 4 (MIC)
Pin 2 (Speaker --)
MH-66
A7A/B7A
Vertex Standard LMR, Inc.
4-8-8 Nakameguro, Meguro-Ku
Tokyo 153-8644, Japan
©2012 Vertex Standard LMR, Inc.
MH-66
B7A
: 16-ohm
A7A/B7A
NC
Speaker (--), GND
Speaker (+)
MIC
MH-66
A4B
EAE46X90F
1
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Related Manuals for Vertex Standard MH-66A4B
Summary of Contents for Vertex Standard MH-66A4B
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Page 1: Specifications
©2012 Vertex Standard LMR, Inc. Service Manual EAE46X90F The MH-66 is a Speaker Microphone designed especially for Vertex Standard transceivers*. : Check with the latest Vertex Product Catalog for a list of the transceivers that can be used with each version. MH-66... -
Page 2: Exploded View
Exploded View RA0775800 RA079300A (MH-66A4B/A7A) SHEET RA079290A (MH-66B7A) FRONT CASE ASSY (W/ SP NET, NAME PLATE) RA0776000 ④ O RING (x4 pcs) ④ ③ ④ RA077510A MIC HOLDER RUBBER (F) RA0775000 (x2 pcs) ③ RUBBER KNOB (MH-66B7A) M3290033 RA0776200 MIC. ELEMENT RUBBER PACKING ③... - Page 3 MH-66 Circuit Diagram (Lot. 1 ~ 93) MH-66 Circuit Diagram (Lot. 1 ~ 93) MH-66 Service Manual A4B/A7A/B7A...
- Page 4 MH-66 Circuit Diagram MH-66 Circuit Diagram (Lot. 94 ~) A7A/B7A MH-66 Service Manual A4B/A7A/B7A...
- Page 5 MH-66 Parts Layout (Lot. 1 ~ 13) A7A/B7A Side A Side B : These parts have installed only the microphone of "MH-66 ". MH-66 Service Manual A4B/A7A/B7A...
- Page 6 MH-66 Parts Layout (Lot. 14 ~ 93) A7A/B7A Side A Side B : These parts have installed only the microphone of "MH-66 ". MH-66 Service Manual A4B/A7A/B7A...
- Page 7 MH-66 Parts Layout MH-66 Parts Layout (Lot. 94 ~) A7A/B7A Side A Side B : These parts have installed only the microphone of "MH-66 ". MH-66 Service Manual A4B/A7A/B7A...
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Page 8: Parts List
Parts List REF. DESCRIPTION VALUE TOL. MFR’S DESIG VXSTD P/N VERS. LOT. SIDE LAYADR *** MIC-UNIT *** C 1005 TANTALUM CAP. 10uF TPDN1C100M8S(MX0) K76120019 11-13 C 1005 CHIP TA.CAP. 10uF TEESVA1C106M8R K78120077 R 1001 CHIP RES. 1/2W RMC1/2 JPATE J24275000 A4B/A7A R 1001 CHIP RES.