Pioneer az 370 service manual

Page 1

GD PIONEERQ

The Art of Entertainment

Sefiice

cfl/Ianual

ORDER NO.
A R P2 1 5 8
STEREO AMPLIFIER
MODEL A1370 HAS FOlLOWING VERSIONS:
Type V I Power requirement Export destinatian
WEE- ,. L, .Eflfliiviitl'itilf. - ,m E'°P*3.'L°""" A
is .240V(switchable) . United Kingdom 7
HEWZIW AC220V, 240V(switchable) * Germany and Italy
SD AC110V.120V-127V, 220V, 240V(switchable) Kingdom of Saudi Arabia and general market

*: Change the primary wiring.

O This manual is applicable to the A-Z370/HE. H8 and HEWZIW types.

0 As to the HB and HEWZIW types, refer to page 37.

0 As tax-the other types, refer to applicable service manuals.

O This product is a component of a system. As to the system composition. refer to the system manual.

0 This product does not function properly when independent; to avoid malfunctions. be sure to connect it
to the prescribed system component. otherwise damage may result.

CONTENTS

1. SPECIFICATIONS --------------------------------------- 2 4. SCHEMATIC DIAGRAMS AND PCBOARD

2. FXPLODED VIEWS, PACKING AND PARTS CONNECTION DIAGRAMS --------------------------- 11
LIST .............................. . ....................... 3 5 FOR H8 AND HEWZW TYPES ... ............. 37

3. PCB's PARTS LIST -------------------------- 7 6. PANEL FACILITIES -------- ~- 51

PIONEER ELECTRONIC CORPORATION 44, Magma 1-Chomer MegurO-ku, Tokyo 153, Japan

PIONEEE ELECTRONICS SERVICE MC, PO. Box 1760, Long Beacn, Califorma 90801 USA.

PIONEEfi ELECTRONICS OF CANADA, INC. 505 Cochrane Driver Markham. Ontario L38 8E3 Canada

PIONEER ELECTRONIC [EUROPE] N.V. Keelberglaan 1 2740 Eevefen, Belgium

PIONEER ELECTRONICS AUSTRALIA PTV. LTD. 178-184 Boundary Road, Braeside. Victoria 3195, Australia TEL: [03] 580-9911

© PIONEER ELECTRONIC CORPORATION 1991 W m,» 1991 him in Jam

Page 2

A-ZE7D

1. SPECIFICATIONS

.sow + new
I\kH1.T.H.D.I 96, em
100w +IOOWI1kHET.H.D.A 99, an)

Conunuou: Fawn (mom IDINI .,

MusIc pawn: mm .
D/A coma-m sectlon
SigflaHo-Nuisa Ruin
Dimmic mic .
Frauencv rang: , .
Tam vaonc Dismmm H kHz 20 w, a m
,, r unmmm-noofist"

. Mme man 96 dB (EMJ)
.Mm um 94 dB (EIAJI
25 H: w 20 kHz

Inpu! senerW
PHONE} [MM]
VGR
LD .

Output level
DAT. VCR,

MUTING

Paw-r Supply/Mmllmwul
Power rsquimmm;
Fuwel consurnpuon
AC oullets swlxchad Ix 1)
Dmannons . ..
Weiam mum: package)

. 1&2) VoIts 50160 Hz

Vafioomxmmlx

Acunmllu:

Owning immcflona
Remm Bound unit
Dry ml [aunties AAA (IEC Ro3/uM-A).

' Measured By Audio SpqL-zmm Analym

2. EXPLODED VIEWS. PACKING AND PARTS LIST

N0 TES

- Pm: mthaut part numhn cannot be supplztd.
- Part: marked by "a " m not always kept in stark, Their dzIx'uny time my be longer than usual 01' Ihry may
I: unauaixabze,
. The A mark [mud on Wm: Cumponent parts indicate: the 1myartann a] the safety mm of 2).. pm.
There/m, when. rephzcing, a: sure to us: pan! :7] Identical designation.

2.! PA RTS LIST

Math No, Demiplinn Pan Mo. M Na, nuuipfiun PanNu.
1 VOL KNOBWOLLME) AAme 45 FEARPANEL
2 RanYKNomMIc LEVELEAMNGEMABBSR so Born-OM PLATE
3 POWER BUTTON AAmsas 51 BONNET CASE ANLIEDE
4 BOTTUN L (Lss MODE) AAmaas 52 TRANS. HOLDER
s BUTTON L (DIRECT MODE) AAD1597 53 man SINK noan
6 [ON BUTTON (MUl'I'NG, Lss SET] AAD1S82 54 VOLUME HOLDER
7 FUNCTION BUTTON AADIQE'I 55 HOLDER
a BUTTON 5 (SPEAKERS) AADism as HOLDER A
9 LENS L AAK1757 7 HEAT SINK
10 LENS S AAKnsa 5; HEAT mg
n LENS AAK1759 59 caouNn PLATE
12 SHEET so OPERATING INSTRUCTIONS minus
13 SHEET (Dutch, Swan, Spanixh, Ponguce)
14 Pvc SHEET 5; OPERATING INSTRUCTIONS AREnso
15 PANEL AAmue (Englilh, German, anch,hdiam)
15 -- s2 WARRANTY CARD
1'! NAME pLA-rqPLAsTIc) 3:
1a NAME PLATE 6! DAC ASSEMBLY AWK1384
19 SCREW (STEEL) ABA-253 86 MIC ASSEMBLY
20 SCREW ABA-293 so HEAD PHONE ASSEMBLY
21 SCREW (STEEL) AaAmos 61 SUE TRANS ASSEMBLY
22 SCREW (STEEL) ABAIUI) 68 POWER, VR. ASSEMBLY
23 SCHEVN ABAIU]! 69 RELAY ASSEMBLY
24 SCREW (STEEL) Anna? 70 SP TERMINAL ASSEMBLY
25 SCREW (STEEL) ABAIOW 71 FUSE ASSMLY
26 SCREW (STEEL) 1071 c 72 DISPLAY ASSEMBLY szsaso
27 SCREW AEAIOBS . 73 AF ASSEMRLY AVVZKLDQ
A 23 Ac POWER com) Avenue 0 n POWER ASSEMBLY
29 RUEBERCUSHION O 75 STANDBY ASSEMBLY sz3505
an ~ 76 REMOTE CONTROLLER Axmm
(cu-Alma)
31 NYLON RIVET AEC-sm
32 STRAIN RELIEF APE-352 77 SCREW BBZZGPOGOFMC
33 PCB SUPPORT 78 SCREW BBZZGPUEOFMC
34 T9 NUTS NKWFZB
as BATTERY (R113, AAA] so Poo-NPLAs'nc) nxA127s
35 FRONT PAD AHAIZ'IZ
37 REAR PAD ARA1273 A :2 FUl FUSEITZEAA) AElmnz
35 PACKING CASE AHDZDG'I A 33 FUZ FUSFATM) AER-017
39 LITERATURE BAG A 34 FUS FUSEIT1.5A) AEK-4o5
4o PACKING SHEET 151015 A; as FUA PUSEATLEA) AEKAUS
A as FUS FUSE(T2A) AEKVDIT
41 TERMLNAL SCREW
42 MOUNTING PLATE A 37 T1 POWER TRANSFORMER AT51223
43 FRONT PANEL AssY AMEnsg as may COVER Azmuu
44 PCB MOULD
45 LEG Assws)
45 PLATE AMmm
47 SASH
48 CHASSIS