Dolby B Nr Adjustment - Pioneer FX-MG8057ZT/UC Service Manual

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6.3 DOLBY B NR ADJUSTMENT

- Connection Diagram
MAIN UNIT
CN761
- Dolby B NR Adjustment
No. Test Tape
1 NCT-150
(400Hz,200nwb/m)
5
6
BACK UP
ACC
GND
Extention Cord GGD1421
VR561
IC601
Adjustment Point
VR301(Lch),VR302(Rch)
FX-MG8057ZT/UC
6
7
+13.2V
DC Regulated
Power Supply
GND
DECK UNIT
CN251
R
VR302
L
SGND
VR301
R-CH L-CH
mV
Meter
Adjustment Method
(Switch Position)
mV Meter(1) : –8.24dBm(300mV)±1dB
(DOLBY NR Switch : OFF)
7
8
A
B
C
D
E
F
67
8