Pioneer a 702 r service manual

Page 1

1;
(U2 PIONEER

The Art of Entertainment

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ORDER NO
ARP2784
~ r\ 0 VV
. .1. LES-37.19
A - 702R, A - 702R - G, A- 602R AND A - 602 HAVE THE FOLLOWING:
Model '
Type 1 Power Requiremem Remarks
A-7OZR A-702R-G A~602R A-602
HEWZ : - 1:. 3 1 AC220-230V. 240v (switchablel
HE - 3 : Aczzo-zaov, 240v Iswitchable)
HEZ - _j - - AC220-23OV, 240v (switchablel' 1
HB - - - 3 fl Aczzo-zsov, 240v (switchablel }
so j - 3 - ii Acnov, 120~127v, 220v, 240v (switchable) j

'Change the connection of the power transformer's'prlmery winng

O This manual is applicable to the following : A-702R/HEWZ, HE and SD : A-702R-G/HEZ ,'
A-602R/HEWZ, HE and SD ; A~602lHEV\/Z, HE and HE.

C For the following : A-702R/HE and SD ; A-702R-G/HEZ ; A-GOZRIHEWZ, HE and SD ;
A-GOZ/HEWZ, HE and HB, refer to page 415.

CONTENTS

1. EXPLODED VIEWS, PACKING AND 6. ADJUSTMENTS ---------------------------------- 44
PARTS LIST --------------------------------------------- 2 7. FOR A-702R/HE, SD, A-7OZR-G/HEZ,

2 DISASSEMBLY -------------------------------------- £8 A-SOZR/HEWZ, HE», SD, A-602/HEWZ,

3_ BLOCK DIAGRAM .................................. :1 HE AND HB ............ .................... 45

4. SCHEMATIC AND PCB CONNECTION 8. PANEL FACILITIES ~
DIAGRAMS ............................................ 9 9. SPECIFICATIONS

5 p03 PARTS LIST ................................... 39

PIONEER ELECTRONIC CORPORATION 471, Meguro 1»Chome, Meguro-ku, Tokyo 153_ Japan

PIONEER ELECTRONICS SERVICE INC. PO. Box 1760. Long Beach, Calliorma 90801 USA

PIONEER ELECTRONICS OF CANADA, INC. 300 Allstate Pamway Markham Omano L3H 0P2 Canada

PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keelberglaan 1. 9120 MeIsele. BeIqum

PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178484 Boundary Roadv Braesxia VIctoria 3195, Australia TEL. [03] 5808911

© PIONEER ELECTRONIC CORPORATION 1993 DFF MAY 1993 Printed in Japan

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1. EXPLODED VIEWS, PACKING AND PARTS LIST

NOTES :
0 Parts marked by NSF" are generally unavailable because they are not in our Master Spare Parts List.

0 The A mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacuzg.
be sure to use parts of identical designation.
0 Parts marked by 6)" are not always kept in stock. Their delivery time may be longer than usual or they may be unavailable

Parts List of Exterior and Packing

Mark No. Description Parts No. Mark No. Description Parts No.
1 POWER AMP ASSY AWZ4882 NSP 49 PCB HOLDER ANGlBZG
2 VOLTAGE AMP ASSY AWZ4883 NSP 50 TRANS BASE AN61848
3 REC OUT ASSY AWZ4884
4 DIODE ASSY AWZ4886 NSP 51 SHIELD PLATE A ANK1244
5 POWER TRANS ASSY AWZ4887 NSP 52 SHIELD PLATE B ANK1245
NSP 53 DIODE SHIELD ANK1246
6 POWER SW ASSY AWZ4890 54 SPRING ABI-I1089
L 7 TRANSISTOR (03) 2SA1265N NSP 55 NYLON BINDER AEC v-093
:- 8 TRANSISTOR (Q4) ZSA1265N
1', 9 TRANSISTOR (Q7) ZSAIZGSN 56 RIVET AEC-441
L 10 TRANSISTOR (Q8) ZSAIZGSN NSP 57 PCB SUPPORT AEC1006
NSP 58 PCB SPACER AEC1084
; 11 TRANSISTOR (Q1) ZSC3182N NSP 59 PCB SUPPORT AEC1231
; 12 TRANSISTOR (Q2) ZSC3182N 60 PCB HOLDER AEC1520
L 13 TRANSISTOR (Q5) ZSC3182N
: 14 TRANSISTOR (Q6) ZSC3182N 61 SCREW IPZ30P120FCL?
L 15 TRANSISTOR (0231) 2301137 NSP 62 SHIELD PLATE AEC1533
63 SHEET AEEIOM
L 16 TRANSISTOR (Q232) 2$C4137 NSP 64 CUSHION AEBlO74
; 17 ELECTROLYTIC CAPACITOR ACH1236 65 PANEL BASE AMBZl36
(Cl)
L 18 POWER TRANSFORMER (T1) ATSH88 66 FRONT PANEL ANB1552
19 SWITCH (53 REC SELECTOR) ASU1047 67 SCREW ABA 7 298
NS? 20 TERMINAL SCREW ARE-031 68 SCREW (STEEL) ABA1007
69 SCREW (STEEL) ABA1009
A 21 AC SOCKET 3 r P AKP 7 502 70 SCREW (STEEL) ABAlOll
A 22 FUSE (T1A/250V, PU4) AEK~508
L 23 FUSE (T3.15A/250V. EUl) AEK~ 513 71 SCREW FBT40P120FCU
L 24 AC POWER CORD ADGIIZ7 72 SCREW (STEEL) ABAIOSO
25 HEADPHONE ASSY AWZ4885 73 SCREW ABA1052
74 SCREW (STEEL) ABA1095
26 TONE ASSY AWZ4891 75 SCREW (STEEL) ABA1192
27 INPUT ASSY AWZ4892
28 MPU ASSY AWZSO71 76 SCREW (STEEL) ABA1193
29 VOLUME ASSY AWZSO72 77 SCREW (STEEL) ABA1194
30 LED LENS AAK2459 78 SCREW FBT4OP060PZK
79 NUT NK70FUC
31 NAME PLATE (METAL) AAM1058 80 NUT NKQOFUC
32 LED LENS PNWZOIQ
33 ROTARY KNOB M AAB1344 81 PUSH JOINT AMR2537
34 ROTARY KNOB L M31347 82 REMOTE SENSOR WINDOW AAK2457
35 ROTARY KNOB S AABI367 83 FUNCTION LENS AAK2458
84 OPEI INSTRUCTIONS ARC1420
36 PUSH KNOB A AAD2430 (German)
37 PUSH KNOB B AAD2432 85 REMOTE CONTROL UNIT AXDI354
38 POWER KNOB AAD2434 (CU-A005)
39 METAL BONNET ANEI427
N SP 40 CHASSIS ANA1214 NSP 86 BATTERY (R03 , AAA) AEX - 021
87 STYROL PROTECTOR (R) AHAISQS
41 REAR PANEL ANC2080 88 STYROL PROTECTOR (L) AHA1600
NSP 42 PANEL STAY AND1057 89 PACKING CASE AHD2534
NSP 43 BOTTOM PLATE ANFIIOZ 90 PACKING SHEET AHGIZOAI
NSP 44 HEAT SINK ANHI434
45 LEG ASSY AMR2590 91 BATTERY COVER AZA1375
NSP 92 BINDER AEF1004
NSP 46 DAMPER ABE1008 93 BUSH ABF1015
47 TRANSISTOR COVER L ANGI724 94 WASHER ABE1028
NSP 48 HEAT SINK HOLDER ANG1825 NS? 95 SHIELD PLATE D AEC1539