Alpine 7390M - Adjustment Procedures; Tape Player Adjustments and Locations

7390M
Adjustment Procedures
1. Tape Player
(1) Connection
T.P.1 (T.P.2)
[o-9]) =>
Test Tape
Figure 6 P
(2)
Control
Setting
st
Power Switch PTTRRET REL Ce ee ee ee ee ee ON
Fader Control s-rrrsrrrrstrctesereeee Front Position
Balance Control -+++++srrrret eee Mechanical Center
Treble “Bass Control -«s-+++++es: Mechanical Center
Other Switch «ccccce crete eer ee eee ee reece scence OFF
(3) Adjustment Procedures
T.P.1 (L) Head Azimuth Adjust for Max. and same
Head Azimuth} MTT-114NB ; :
Adj 14kH Figure 6 TP2 (R Adjustment Screw level output at Normal and
justment ( 2) P.2 (R) (Figure 7) Reverse Positions.
Dolby Level | MTT-150 rice @ | TP! (| VAIOT T.P.1 (L), T.P.2 (R) output
Adjustment | (400Hz) e T.P.2 (R) | VR102 (R) for 245mV+14B.
Tape Speed | MTT-111 T.P.1 (L) | Tape Speed T.P.1 (T.P.2) for 2,970~
if Figure 6 or Adjustment
Adjustment (3kHz) T.P.2 (R) (Figure 8) 3,090Hz.
Tape Speed
Adjustment
Playback Head
Head Azimuth
Adjustment Screw
= ar Motor
GR
Audio
P.
C.
Board
i
Figure 8
Figure 7
Pane) ee