Pioneer FH-MG6106ZH2 X1H/UC Service Manual page 68

FH-MG6106ZH,MG6106ZH2
FM ADJUSTMENT
Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.)
S1:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.)
NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow
the circuits to stabilize.
No.
Frequency(MHz)
1 •••••
TUN Volt
Center 2 98.1 M
Meter
RF 3 106.1 M
Trimmer
ANT 4 98.1 M
Trimmer
IFT 5 98.1 M
6 89.9 M
RF Coil
RF 7 106.1 M
Trimmer
8 89.9 M
RF Coil
RF 9 106.1 M
Trimmer
10 98.1 S
Separation
11 98.1 S
ARC
Separation
12 98.1 M
Interstation
13 98.1 M
Noise
14 98.1 M
Search
15 98.1 M
Sensitivity
16
DOLBY B NR ADJUSTMENT
No. Test Tape
1 NCT-150
(400Hz,200nwb/m)
68
FM SSG Displayed
Level(dBf)
Frequency(MHz)
••••• 107.9
65-85
5 106.1
5
5
5
5 106.1
5
5 106.1
65
38
65
-∞
26
25
Repeat steps 14 and 15 until the adjustment standards are satisfied.
Adjustment Point
VR301(Lch),VR302(Rch)
Adjustment
Point
L5
98.1 L52
TC3
98.1 TC1,TC2
98.1 T31
89.9 L6
TC3
89.9 L6
TC3
98.1 VR101
98.1 VR154
98.1
98.1 VR151
98.1 VR156
98.1 VR156
mV Meter(2) : –8.24dBm(300mV)±1dB
(DOLBY NR Switch : OFF)
Adjustment Method
(Switch Position)
DC V Meter(1) : 6V
Center Meter : 0
mV Meter(1) : Maximum
mV Meter(1) : Maximum
mV Meter(1) : Maximum
mV Meter(1) : Maximum
mV Meter(1) : Maximum
mV Meter(1) : Maximum
mV Meter(1) : Maximum
mV Meter(1) : Maximum
mV Meter(1) : Separation 5dB
mV Meter(1) : AdB
mV Meter(1) : A-15dB
DC V Meter(2) : Level "H"
DC V Meter(2) : Level "L"
Adjustment Method
(Switch Position)