Sony Ericsson XR-C7500RX - Manual (Page 16)

16
Adjustment Location:
– SET UPPER VIEW –
– SET BOTTOM VIEW –
Tape Speed Adjustment
Setting:
Procedure:
1. Put the set into the FWD PB mode.
2. Adjust adjustment resistor for inside capstan motor so that the
reading on the speed checker or frequency counter becomes in
specification.
Specification: Constant speed
Dolby Level Adjustment
Setting:
[MENU] button : ON (light up SET UP and
PLAY MODE)
Preset [DISC +]
t [+ ] ( t) buttons : NR off
[DSO] (BAS, TRE) button : off
[SOUND] (BAL) button : Center
[SOUND] (FAD (Front)) button : Center
[SOUND] (FAD (Rear)) button : Center
VOLUME CONTROL dial : Maximum
Procedure:
1. Put the set into the FWD PB mode.
2. Adjust RV230 (L-CH) and RV240 (R-CH) so that the level
meter reading is –6±0.5 dB (0.37 to 0.41 V).
set +
–
test tape
P-4-D400
(400Hz, 0 dB)
level meter
MAIN board
TP (DOLBY-L)/
TP (DOLBY-R)
      
0 dB=0.775 V TAPE DECK SECTION
Speed checker Frequency counter
–1.5 to +2.5% 2,955 to 3,075 Hz
set
+ –
test tape
WS-48A
(3 kHz, 0 dB)
LINE OUT REAR jack (CN13)
10 k Ω
speed checker
or
frequency counter
> M
TUX1
Tape Speed Adjustment
RV240
Dolby Level Adjustment (R-CH)
RV230
Dolby Level Adjustment (L-CH)
TP (DOLBY-R)
TP (DOLBY-L)
Dolby Level
Adjustment



TP
(GND)
TUNER SECTION
Tuner section adjustments are done automatically in this set.