Pioneer XR-A330 Service Manual

62
XR-A660, XR-A330
7. GENERAL INFORMATION
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
HA12136AF (AF ASSY : IC2201)
• Dolby B Type NR System IC
•
Pin Function
7.1 PARTS
7.1.1 IC
.oNemaNniPnoitcnuF.oNemaNniPnoitcnuF
1NICERtupni)edocnE(gnidroceR9TUOCERtuptuo)edocnE(gnidroceR
2V
CC ylppusrewoP01TEDrotcetedlevelehtrofniptnatsnocemiT
3NIBPtupni)edoceD(kcabyalP11TUOBPtuptuo)edoceD(kcabyalP
4ferVegatlovecnerefeR21BP/CER
)edoceD/edocnE(BP/CERrofniplortnocedoM
)edoceD(BP:"L",)edocnE(CER:"H"
5FFO/NORN
FFO/NORNrofniplortnocedoM
FFORN:"L",NORN:"H"
31SAIBsretlifevitcaehtrofniptupnitnerrucecnerefeR
6TUOBPtuptuo)edoceD(kcabyalP41NIBPtupni)edoceD(kcabyalP
7TEDrotcetedlevelehtrofniptnatsnocemiT51DNGdnuorG
8TUOCERtuptuo)edocnE(gnidroceR61NICERtupni)edocnE(gnidroceR
HA12211NT (AF ASSY : IC2301)
• REC Equalizer and PB Equalizer System IC
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
REC–EQ
GND
TAPE(L)
REC–OUT(L)
REC–OUT(R)
PB–IN
PB–IN PB–CAL PB–CAL PB–EQ PB–EQ PB–NF PB–NF PB–IN PB–IN
TAPE(R) AUX(L) AUX(R)
IREF
REC–SEL
BCr ACr
HSP
A/B PB–OUT(L)
PB–OUT(R)
PB–CAL PB–CAL
REC IN
from logic
B(L)
B(R)
to Dolby
REC–RETURN
Vcc
(R) (R)
(L) (L)
A(R) A(R)
A(L) A(L)
VREF
B(R)
B(L)
R–ch
L–ch
R–ch
L–ch
12dB
139k
5k 2.7k 2.26k 1.12k
10k
B
A
B
A
•
Block Diagram

Pioneer XR-A330 Specifications

General

Brand	Pioneer
Model	XR-A330
Category	Cassette Player
Language	English