A-207
25
6. ADJUSTMENT
6.1 IDLE CURRENT ADJUSTMENT
¶
CAUTION : Heatsinks’ (Q323–Q326) DC level is equal to +B or -B.
Don’t touch them or you will be electricary chocked.
1. Connect the measuring instrument as Fig.6-1. (R373 or R374)
2. Turn the POWER switch to ON.
3. Adjust VR301 (VR302) so that the voltage between both sides of R373 (R374) becomes 10mV±1mV.
4. Ages for 5 minutes.
5. Adjust VR301 (VR302) so that the voltage between both sides of R373 (R374) becomes 11mV±1mV.
VR301
VR302
R375
R376
R373
R374
Heat Sink
CN202
AF ASSY
DC Voltmeter
DC Voltmeter
SIDE A
Heat Sink
Heat Sink
Heat Sink
Fig.6-1 Adjustment Method
Summary of Contents for A-207 MLXJ
Page 16: ...A 207 16 A B C D 1 2 3 4 1 2 3 4 4 3 AF ASSY D AF ASSY D POWER TRANSFORMER ...
Page 18: ...A 207 18 A B C D 1 2 3 4 1 2 3 4 D AF ASSY D ...
Page 29: ...29 A 207 8 PANEL FACILITIES AND SPECIFICATIONS 8 1 PANEL FACILITIES ...
Page 30: ...30 A 207 ...
Page 31: ...31 A 207 8 2 SPECIFICATIONS ...
