1-4
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
S/N and distortion meter
e.g. Sound Technology ST1700B
L
R
DUT
CD
Use Audio Signal Disc
(replaces test disc 3)
SBC429 4822 397 30184
Bandpass
250Hz-15kHz
e.g. 7122 707 48001
LF Voltmeter
e.g. PM2534
DUT
S/N and distortion meter
e.g. Sound Technology ST1700B
Frame aerial
e.g. 7122 707 89001
Tuner AM (MW,LW )
To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.
Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).
RF Generator
e.g. PM5326
Ri=50
Bandpass
250Hz-15kHz
e.g. 7122 707 48001
LF Voltmeter
e.g. PM2534
DUT
RF Generator
e.g. PM5326
S/N and distortion meter
e.g. Sound Technology ST1700B
Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).
Ri=50
Tuner FM
MEASUREMENT SETUP
Содержание MCM206
Страница 9: ...3 1 3 1 SET BLOCK WIRING DIAGRAM ...
Страница 11: ...4 2 4 2 PCB LAYOUT MAIN BOARD TOP VIEW ...
Страница 12: ...4 3 4 3 PCB LAYOUT MAIN BOARD BOTTOM VIEW ...
Страница 13: ...4 4 4 4 PCB LAYOUT TUNER BOARD ONLY FOR REFERENCE MODULE SWAP ...
Страница 14: ...4 5 4 5 LAYOUT DIAGRAM HEADPHONE BOARD ...
Страница 15: ...4 6 4 6 CIRCUIT DIAGRAM MAIN TUNER HP BOARD ...
Страница 17: ...5 2 5 2 PCB LAYOUT MCU BOARD TOP VIEW ...
Страница 18: ...5 3 5 3 PCB LAYOUT MCU BOARD BOTTOM VIEW ...
Страница 19: ...5 4 5 4 LAYOUT DIAGRAM USB BOARD ...
Страница 20: ...5 5 5 5 CIRCUIT DIAGRAM MCU USB BOARD ...
Страница 21: ...PANEL PCB BOARD TABLE OF CONTENTS Layout Top View 6 2 Layout Bottom View 6 3 Circuit Diagram 6 4 6 1 6 1 ...
Страница 22: ...6 2 PCB LAYOUT PANEL PCB BOARD TOP VIEW 6 2 ...
Страница 23: ...6 3 PCB LAYOUT PANEL PCB BOARD BOTTOM VIEW IC701 6 3 ...
Страница 24: ...6 4 CIRCUIT DIAGRAM PANEL PCB BOARD 6 4 ...
Страница 25: ...18 C 6 5 4 7 8 9 19 17 14 1 13 10 12 16 11 15 D E 21 20 B A 3 2 F SET MECHANICAL EXPLODED VIEW 7 1 7 1 ...
Страница 26: ...8 1 REVISION LIST 1 0 Manual 3141 785 35350 Initial Service Manual released ...