35
J. AUDIO OUTPUT (A/C HEAD TILT & HEIGHT ADJUSTMENT)
a. Connect the OSCILLOSCOPE to the AUDIO OUTPUT JACK.
b. Play back the ALIGNMENT TAPE (NTSC: DN1 (SP, 1KHz), PAL: DP1 (SP, 1KHz)).
c. Check the AUDIO OUTPUT SIGNAL is -9~-3dBm.
d. If the requirement "c" is not satisfied, adjust the A/C HEAD TILT SCREW and A/C HEAD HEIGHT NUT
to obtain the maximum audio output. (Fig. 5-3)
K. A/C HEAD AZIMUTH ADJUSTMENT
a. Connect the OSCILLOSCOPE to the AUDIO OUTPUT JACK.
b. Play back the ALIGNMENT TAPE (NTSC: DN2 (SP, 7KHz), PAL: DP2 (SP, 6KHz)).
c. Adjust the A/C HEAD AZIMUTH SCREW to obtain the audio output -9~-3dBm. (Fig. 5-3)
d. Repeat the process "H. DRUM ENTRANCE/EXIT".
TEST POINTS
AUDIO OUTPUT
AUDIO OUTPUT JACK
MEASURING EQUIPMENT
OSCILLOSCOPE
TEST POINTS
AUDIO OUTPUT
AUDIO OUTPUT JACK
MEASURING EQUIPMENT
OSCILLOSCOPE
Summary of Contents for GB14H3
Page 5: ...4 CIRCUIT BLOCK DIAGRAM ...
Page 12: ... 11 SCHEMATIC DIAGRAM ...
Page 13: ... 12 SCHEMATIC DIAGRAM ...
Page 14: ...13 EXPLODED VIEW 1 14H3 ...
Page 15: ...14 EXPLODED VIEW 2 14H4 ...
Page 16: ...15 EXPLODED VIEW 3 20H3 ...
Page 17: ...16 EXPLODED VIEW 4 20H4 ...
Page 18: ...17 EXPLODED VIEW 5 21H4 ...
Page 19: ......
Page 20: ......
Page 58: ...3 1 2 1 WIRE DIAGRAM 1 2WIREDIAGRAM ...
Page 62: ...7 2 1 2 PARTS LOCATION OF FRONT LOADING ASS Y A TOP VIEW B FRONT VIEW ...
Page 92: ...37 6 EXPLODEDVIEWANDPARTSLIST 6 1 EXPLODEDVIEWOFDECKASS Y TOPVIEW ...
Page 93: ...38 6 2 EXPLODEDVIEWOFDECKASS Y BOTTOMVIEW ...
Page 94: ...39 6 3 EXPLODEDVIEWOFF LASS Y ...
Page 95: ...40 ...