English translation of Dutch service information for Philips B7X14A
Controls
1 Volume adjust
2 On/off switch
3 PU switch (pickup or record player)
4 Long wave switch
5 Medium wave switch
6 Short wave switch
7 FM switch
8 Tuning knob
9 Bass adjust
10 Treble adjust
11 Tone switch
12 Tone switch
13 Reverb switch
14 Stereo switch
15 Mono switch
16 Balance
Specifications
Speakers
2 x AD3800 AM (800 ohm)
Mains voltages
110-127-145-165-220-245 V
Power rating
100 W at 220 V
Dimensions
27 x 71 x 29 cm
Wavelengths
LG (long wave)
1150-2000 m (260-150 kc/s)
MG (medium wave) 185-580 m (1622-517 kc/s)
KG (short wave)
16.5-50.8 m (18.2-5.9 kc/s)
FM
3-3.43 m (100-87.5 mc/s)
Circuit diagram
Refer to page 179 and 180.
Tube Layout
The fuse Z1 can also be located on the bottom left side of the transformer instead of the
top left side as shown here.
Malfunctions
A The radio does not work
1 Tubes and lamps do not glow a. Check if the mains voltage switch is set
correctly (see item 1 in figure 1)
b. Check if the fuse is ok (see item 2 in
figure 1)
c. Check if the tubes are seated properly and
if they are in the correct position (see
figure 1)
2 Tuning indicator does not glow a. Replace the rectifier tube B9 (see figure 1)
3 Tuning indicator reacts when tuning into
a station
a. Attach a second speaker (800 ohm) to the
extra speaker connector (if the radio works
then the speaker is defective)
B The radio works partially
1 Left or right speaker has no sound a. Replace B6 and/or B7 and/or B8
2 The radio works on FM but not on LW,
MW, SW
a. Replace B2 and/or B4
3 The radio works on LW, MW, SW but not
on FM
a. Replace B1 and/or B5
4 The record player input works but no
reception on LW, MW, SW, FM
a. Replace in sequential order B2, B3, B4
5 The radio works normal but the tuning
indicator does not work
a. Replace B10
