2 - 2
SERVICE MEASUREMENT
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
Tuner FW
Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).
Ri=50
½
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 250kHz) to eliminate hum (50Hz, 100Hz).
RF Generator
e.g. PM5326
Ri=50
½
L
R
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
S/N and distortion meter
e.g. Sound Technology ST1700B
DUT
CD
RECORDER
Use Audio Signal Disc SBC429 4822 397 30184
(replaces test disc 3)
Use Universal Test Cassette Fe SBC420 4822 397 30071
L
R
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
S/N and distortion meter
e.g. Sound Technology ST1700B
DUT
LF Generator
e.g. PM5110
Ri=50
½
Summary of Contents for MCD 700
Page 2: ...1 1 HANDLING CHIP COMPONENTS ...
Page 3: ...1 2 ...
Page 6: ...3 1 CONNECTION AND CONTROLS ...
Page 8: ...3 3 CONNECTION AND CONTROLS ...
Page 12: ...6 1 6 1 SET BLOCK DIAGRAM ...
Page 13: ...6 2 6 2 SET WIRING DIAGRAM ...
Page 14: ...7 1 7 1 CIRCUIT DIAGRAM VFD KEY BOARD ASSEMBLY ...
Page 15: ...7 2 7 2 LAYOUT DIAGRAM VFD KEY BOARD ASSEMBLY COMPONENT SIDE ...
Page 16: ...8 1 8 1 CIRCUIT DIAGRAM DVD BLOCK ...
Page 17: ...8 2 8 2 LAYOUT DIAGRAM DVD BLOCK ...
Page 19: ...9 2 9 2 LAYOUT DIAGRAM TUNER BOARD SIDE A SIDE B ...
Page 23: ...10 4 10 4 LAYOUT DIAGRAM DVD MPEG BOARD MPEG board is not repaired diagram for reference only ...
Page 24: ...11 1 11 1 CIRCUIT DIAGRAM AMP BLOCK ...
