Pioneer dcz 94 service manual

Page 1

(U) PIONEER

The Art of Entertainment

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-- ORDER No.
ARP2137

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STEREO DOUBLE CASSETTE DECK AMPLIFIER

DC-ZQ4

MODEL DC-294 HAS FOLLOWING VERSIONS :

Type Power raqulroment Export damnation
HE AC220V, 240V (Switchable) * European continent
HB AC22OV, 240V (Switchable) * United Kingdom
HEWZIW AC220V, 240V ISwitchable) * Germany and Italy
YPW AC24OV only Australia
SD AC110V, 120-127V, 220V, 240V (switchable) Kingdom of SaudiArabia and general market

>l< Change the jumper wires of assembly board.

0 This manual is applicable to the DC-294/HE and HB types.

0 As to the HB type, refer to page 53.

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

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

0 For adjustment refer to ADJUSTMENTS FOR XD-254T, XD-284T, DC-294,
06-284 and 06-274 (ARP214OI.

CONTENTS

1. EXPLODED VIEWS, PACKING AND a. P.C.B s PARTS LIST --------------------------------- 47
PARTS L'ST ................................................ 2 4. FOR HB TYPE .......... . 53

2. SCHEMATIC DIAGRAM AND P.C.BOARDS 5. PANEL FACILITIES~ ~ 54
CONNECTION DIAGRAM --------------------------- 12 6. SPECIFICATIONS --------------------------------------- 53

PIONEER ELECTRONIC CORPORATION 4-1, MegurO 1~Chome, MegurO-ku, Tokyo 153, Japan

PIONEER ELECTRONICS SERVICE INC. PO. Box 1760, Long Beach, Calilornia 90801 U.S.A.

PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Dnve. Markham, Ontario L3H 8E3 Canada

PIONEER ELECTRONIC [EUROPE] N.V. Keelberglaan l, 2740 Beveren, Belgium

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

© PIONEER ELECTRONIC CORPORATION 1990 YV DEC. 1990 Printed in Japan.

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DC - 294

1. EXPLODED VIEWS, PACKING AND PARTS LIST

NOTES:

0 Parts without part number cannot be supplied.
0 The A mark found on some component parts indicates the importance of the safety
faCtor of the part. Therefore, when replacing, be sure to use parts of identical designa~

lion.

0 Parts marked by "© " are not always kept in stock. Their delivery time may be longer

than usual or they may be unavailable.

1.1 EXTERIOR AND PACKING

Parts list of Exterior and Packing

Mark No. Description Parts No. Mark No. Dascriptlon Parts No.
1 ROTARY KNOB (Balance, Mic AABIIss 4o KEEP PLATE ABKlOlG
Ievel, Dolby)
2 VOL KNOB AABIzoo 41 NUT ABNlOlG
3 ROTARY KNOB (Sound jog) AABmz A 42 Ac POWER CORD ADOIo49
4 POWER BUTTON AAD1674 43 COUNTER BELT AEB1161
5 KIN BUTTON (Loudness) AAD1682 44 BATTERY COVER A2NI346
45 LEG ASSEMBLY AEC- 347
a FUNCTION KNOB AAD1894
7 REC. COPY BUTTON AAD1895 46 STRAIN RELIEF ABC-882
s DECK PLAY BUTTON AAD1896 47 NYLON REVET AEC1160
9 EJECT BUTTON L AADIses O 48 DELAY & GEQ ASSEMBLY AWX1050
10 GEQ BUTTON AAD1899 49 SEAL AEEIo49
so DRY CELL BATTERY
11 CURSOR BUTTON AAD1900 (R03, AAA)
12 AI BUTTON AAD1901
13 SURROUND BUTTON AAD1902 51 FRONT PAD L, R AHA1404
l4 EJECT BUTTON R AAD1922 52 REAR PAD L. R AHA1405
15 LENS (Power IND) AAK1800 53 PACKING CASE M01965
54 SHEET
16 FILTER (REC) AAK1812 55 TERMINAL SCREW (EARTH)
17 DECORATIVE PLATE (DOOR) AAK2065
18 DECORATIVE PLATE A AAK2071 56 FRONT PANEL AMBI741
(DECK) 57 CHASSIS
19 DECORATIVE PLATE B AAK2072 53 REAR PANEL
(DECK) 59 BONNET ANE1273
20 AI DECORATIVE PLATE AAK2073 5 PACK HOLDER
21 DECORATIVE PLATE (GEQ) AAK2074 61 HEAT SINK HOLDER B
22 INDICATOR LENS AAK2075 52 HOLDER
O 23 AF ASSEMBLY AWst 63 HEAT SINK HOLDER A
24 CASSETTE DOOR (R) AAN1250 54 PCB HOLDER
25 CASSETTE DOOR (L) AAN1251 65 HOLDER
26 COUNTER AAW1009 66 HEAT SINK
27 TRANS CONNECT 67 SHIELD PLATE (MECHA) .
ASSEMBLY 68 OPERATING INSTRUCTIONS ARC1244
23 VR ASSEMBLY (Naderlands, Svenska, Espafiol,
29 HEAD PHONE ASSEMBLY Portuzués)
30 FABEL (PAPER) AAXISOI 69 OPERATING INSTRUCTIONS ARE1177
(English, Deutsch, Francias,
31 SCREW ABA-298 Rana)
32 SCREW (STEEL) AB A1007 70 CAUTION CARD ARMIOOS
33 SCREW (STEEL) ABAIOOB
34 SCREW (STEEL) AB A101 1 G) 71 DISPLAY ASSEMBLY AWL3352
35 SCREW ABA1018 72 I MECHA SW ASSEMBLY
73 z MECHA SW ASSEMBLY
36 SCREW AB A1082 74 MIC BALANCE ASSEMBLY
37 SCREW (STEEL) ABA1095 G) 75 SUB TRANS ASSEMBLY AWR1060
as DOOR SPRING L ABH1068
39 DOOR SPRING R ABIIIosg