Adjustments - Pioneer F-504RDS Service Manual

F-504RDS, F-504RDS-G |
7. ADJUSTMENTS
7.1 FM TUNER ADJUSTMENTS
® Connect the wiring as shown in Fig. 2.
@ Set the function to FM BAND.
FM SG (1 kHz + 75 kHz dev.)
Frequency Modulation Level
. 99 MHz 4 Adjust so that the voltage between
MONO distortion 99 MHz T201-A | Adjust so that the distortion becomes
adjustment. NORMAL VR204 | minimum.
SUB-balance 99 MHz VR203 Adjust so that the AC voltage at TP5
adjustment NORMAL becomes minimum.
, 108MHz Adjust so that the output at TP 7
STEREO distortion * 89 MHz Adjust so that the distortion becomes
STEREO distortion * 89 MHz Adjust so that the distortion becomes
STEREO distortion 89 MHz Adjust so that the distortion becomes
FL display, | Adjustment
IF BAND etc. | Location
Adjustment title Specifications
Repeat steps 6 and 7 until optimum adjustment is obtained.
89 MHz Adjust so that the separation RL
89(*2) FONE. | 60 | NORMAL VR207 | becomes maximum.
2 89 MHz Adjust so that the separation L-R
: 99MHz Adjust so that the voltage between
ai S meter adjustment | a9 | Mono | es NORMAL VR202 | TP4 and GND becomes 4.95:+0.05V.
' - 99 MHz Adjust so that the muting is released
| | Mutieg evelediuetment | 90 | Mono | 2 | NORMAL VR201 | at the input level shown on the left.
EXTERNAL 88 MHz ;
: * Adjust so that the voltage between
*1 : RDS SG (AUDIO, PILOT, RDS, BK and DK : OFF, SK : ON)
*2 : Stereo modulation : Main 1 kHz L+R, £68.25 kHz.
Pilot 19 kHz, £6.75 kHz.
Separation adjustment
7.2 AM TUNER ADJUSTMENT
® Connect the wiring as shown in Fig. 2.
@ Set the function to AM BAND.
| AM SG(400kHz, 30% modulation) | SG(400kHz, 30% modulation) Adjustment ical
Adjustment title Frequency(kHz) | Level(dBuVv/m) FL Display Location Spec ons
satis | L502 Adjust so that the voitage between
NO INPUT SIGNAL TP1 and GND becomes 1.250.1 V.
TC502 Adjust so that the voltage between
TP1 and GND becomes 10-£0.3 V.
| 3 | Front-end sensitivity- [| os P | 603kHz | T501 Adjust so that the voltage between
up adjustment 1395 Low input level 1395 kHz T0501 | TP9 and GND becomes maximum.
5 | Repeat steps 3 and 4 until optimum adjustment is obtained.
FT a d j : Adjust so that the voltage between
Ine ee | ws | pied pated ms } sostiz | F501 | TP9 and GND becomes maximum.
: Adjust so that the voltage between
25
Front-end VT adjustment