111
AM/FM Stereo Tuner
V55,
6AL5
1
0 V
2
0 V
3
6.3 V ac
Measured with respect to pin #4 (heater)
4
6.3 V ac
Measured with respect to pin #3 (heater)
5
0 V
6
0 V
7
0 V
V56,
6C4
1
275 V
2
0 V
3
6.3 V ac
Measured with respect to pin #4 (heater)
4
6.3 V ac
Measured with respect to pin #3 (heater)
5
255 V
6
0 V
7
0 V
V57,
12AU7
1
250 V
2
0 V
3
0 V
4
6.3 V ac
Measured with respect to pin #9 (heater)
5
6.3 V ac
Measured with respect to pin #9 (heater)
6
260 V
7
0 V
8
0 V
9
6.3 V ac
Measured with respect to pin #4 or #5 (heater)
V58,
12AU7
1
260 V
2
0 V
3
0 V
4
6.3 V ac
Measured with respect to pin #9 (heater)
5
6.3 V ac
Measured with respect to pin #9 (heater)
6
250 V
7
0 V
8
0 V
9
6.3 V ac
Measured with respect to pin #4 or #5 (heater)
Table 6.2
Typical Voltmeter Readings with Power Applied and Tubes Removed
(+dc unless noted)
Summary of Contents for AM/FM Stereo Tuner 2012
Page 1: ...WhitakerAudio AM FM StereoTuner User and Assembly Manual...
Page 11: ...11 AM FM Stereo Tuner Figure 1 1 Schematic diagram of the AM tuner section...
Page 17: ...17 AM FM Stereo Tuner Figure 1 2 Schematic diagram of the FM tuner section...
Page 34: ...34 WhitakerAudio Figure 3 1 Component layout for the AM tuner PWB...
Page 36: ...36 WhitakerAudio Figure 3 3 Component layout for the FM tuner PWB...
Page 69: ...69 AM FM Stereo Tuner Set the FM tuner board aside it will be used later b...
Page 101: ...101 AM FM Stereo Tuner Figure 5 11 Chassis view of the AM FM Stereo Tuner...
Page 159: ...159 AM FM Stereo Tuner...
Page 160: ...WhitakerAudio AM FM StereoTuner...
