Adjustment - Pioneer XR-P270C Service Manual

XR-P270C,XR-P170C
6. ADJUSTMENT
6.1 TUNER SECTION
@ FM Tuner Section
® Set the mode selector to FM BAND.
@ Connect the wiring as shown in Fig. 1~1.
FM SG (1kHz, +75kHz dev.)
Reception a
Adjustment
Frequency
justment
i t e o s
Title
Frequency
Level
Display
Losition
Specifications
(MHz) (dBuV)
1 Front End 0-30 L6402 Adjust so that the DC voltage between the IC6201-
Sensitivity T6401 Pin 20 becomes at maximum level.
TUNED IND. Adjust so that the indicator of TUNED IND. starts
2 jus 8
Notes:
® Before adjusting, make sure there is no gap between L6401 and L6402. If there is a gap between them, bring them into contact
with each other first, and then make adjustments.
@ AM Tuner Section
@ Set the mode selector to AM BAND.
@ Connect the wiring as shown in eee 1-1.
AM SG | AM SC (00H, 30% Mod) | 30% Mod.)
Frequency Level
(kHz) (dBuV/m)
1 Front End 999kHz"? T6201 Adjust so that the DC voltage between the IC6201-
Sensitivity Pin 20 becomes at maximum level.
*1: For the area using 10kHz step, frequencies should be 1000 kHz
Reception
Frequency
Display
Adjustment
Adjustment
Location
Title
Specifications
Loop antenna
AM antenna terminal
# PRODUCT
Fig. 1-1 AM and FM Adjustment Wiring Diagram
gevetlns DC
Voltmeter
FM 750 antenna terminal
44