Pioneer KEX-M8186ZT-91/ES, Service Manual

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KEX-M8186ZT,M8186ZT-91
MW/SW ADJUSTMENT
MW/SM SSG(400Hz,30%) Displayed Adjustment Adjustment Method
No. Frequency(kHz) Level(dBµ) Frequency(kHz) Point (Switch Position)
Tuning 1 21.975 T203 DC V Meter(2):6.0±0.1V
SEEK 1 1,000 15 1,000 T204,T205, mV Meter(1) : Maximum
T206 -10dB
SEEK 1 1,000 30 1,000 VR201 Oscilloscope(2) : 40 ± 20 mVpp
(DX) (SEEK ON)
SEEK 1 1,000 50 1,000 VR202 Oscilloscope(2) : 40 ± 20 mVpp
(LOC) (S1 ON)
FM ADJUSTMENT
Modulation M1:MONO MOD., 400Hz 30%(22.5kHz Dev.)
M2:MONO MOD., 400Hz 100%(75kHz Dev.)
S1:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.)
FM SSG Displayed Adjustment Adjustment Method
No.
Frequency(MHz)
Level(dBf)
Frequency(MHz)
Point (Switch Position)
IF 1 98.1 M2 65 98.1 T51 Center Meter : 0
Max. 1 98.1 M1 65 98.1 – mV Meter(1) : A
Mute 2 98.1 M1 -
∞
98.1 VR102 mV Meter(1) : A-20dB
ARC 1 98.1 S1 98.1 VR101 mV Meter(1) : Separation 5dB
Separ- 2 98.1 S1 65 98.1 VR103 mV Meter(1) : Separation
ation Maximum
3 98.1 S1 98.1 VR101 mV Meter(1) : Separation 5dB
SD 1 98.1.M1 27±1 98.1 VR51 DC V Meter(1):Approx.5v
(SEEK ON)
LOC.H 1 98.1.M1 25±1 98.1 VR1 DC V Meter(1);Approx.5v
ATT. (S1:ON,SEEK ON)
DOLBY B/C NR ADJUSTMENT
No. Test Tape Adjustment Point Adjustment Method
(Switch Position)
1 NCT-150(400Hz,200nwb/m) VR301(Lch),VR302(Rch) mV Meter(2) : –8.24dBs + 1.5dB
–0.5dB
(DOLBY NR Switch : OFF)
JIGS
GGD1012 KEX-M8186ZT/ES~GM-8066ZT/UC
GGD1070 MAIN P.C.B~TUNER P.C.B
GGD1077 MAIN P.C.B~KEY BOARD P.C.B
GGD1092 KEX-M8186ZT/ES~CDX-M8066ZT/WL
GGD1019 MAIN P.C.B~DECK UNIT