Pioneer dcz 74 service manual

Page 1

GD PIONEER

The Art of Entertainment

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(uh-- ORDER NO.
ARP21 70
STEREO DOUBLE CASSETTE DECK AMPLIFIER
DC-Z74 HAS THE FOLLOWING :
Type Power Raqulrsment IIImqu

SD AC1 10V, 120V- 127V. 220V. 240V (Switchable)

YPW AC24OV only

- This manual is applicable to the DC-Z74ISD and YPW types.

0 As to the VFW type, refer to pages 49-52.

- This product is a component of a system. As to the system composltlon, refer to the system
manual.

0 For adjustment refer to ADJUSTMENTS FOR XD-ZS4T, XD-Z84T, Dc-294, 06-284 and
Dc -- Z74 IARP2140) .

CONTENTS

1. EXPLODED VIEWS, PACKING AND 3. P.C.B 's PARTS LIST - 44
PARTS LIST ................................................ 2 4_ FOR ypw TYPE ....... 49

2. SCHEMATIC DIAGRAM AND P.C.BOARDS 5_ PANEL FACILITIES 53
CONNECTION DIAGRAM ........................... 12 6. SPECIFICATIONS ....................................... 55

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku. Tokyo 153. Japan

PIONEER ELECTRONICS SERVICE INC. P.0r Box 1760, Long Beach. California 90801 USA.

PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Drive, Markham, Ontario L38 8E3 Canada

PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1. 2740 Beveren, Belgium

PIONEER ELECTRONICS AUSTRALIA PTV. IJ'D. 178-184 Boundary Road. Braeside. Victoria 3195, Australia TEL: [03] 580-9911
© PIONEER ELECTRONIC CORPORATION 1 991

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(3-274-

1. EXPLODED VIEWS, PACKINGflAND PARTS LIST

NOTES:

0 Pam without pan 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-

non.

I 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 Packlng , >

Mark No. Descriptlon Parts No.
1 ROTARY KNOB (DOLBY NR) AAEuae
2 VOL KNOB (VOLUME) AAB1200
3 POWER BUTTON AAD1674
4 FUNCTION BUTTON (PLS) AAD1894
5 REC. COPY BUTTON (PLS) AAD1895
e DECK PLAY BUTTON (PLS) AADlS96
7 AI BUTTON (SMART AAD1897

OPERATION, SURROUND &

STEREO WIDE)
s EJECT BUTTON L (PLS) AAD1898
9 EJECT BUTTON R (PLS) AAD1922
1o LENS (POWER IND.) AAK1800
11 FILTER (REMOTE SENSOR) AAK1812
12 DECORATIVE PLATE (DOOR) AAK2065
13 DECORATIVE PLATE A I AAK2067

(DECK)
14 AI DECORATIVE PLATE AAK2068
15 DECORATIVE PLATE (GEO) AAK2069
1s INDICATORLENS AAK2075

O 17 AF ASSEMBLY szssas
1s CASSETTE DOOR (R) AAN1250
19 CASSETTE DOOR (L) AAN1251
20 VR ASSEMBLY
21 HEAD PHONE ASSEMBLY
22 TRANS CONNECT

ASSEMBLY
23 FABEL (PAPER) AAX1301
24 SCREW ABA-222
25 SCREW ABA- 298
25 SCREW (STEEL) ABA1009
27 SCREW (STEEL) ABA1011
28 SCREW ABAlOIS
29 SCREW ABA1082
30 SCREW (STEEL) ABA1095
31 DOOR SPRING L ABH1068
32 DOOR SPRING R ABH1069
33 KEEP PLATE ABK1016

A 34 AC POWER CORD ADG1051
35 NYLON BINDER
36 LEG ASSEMBLY , AEC-R47
a7 STRAIN RELIEF AEC- 332
35 NYLON RIVET AEC1160
39 DRY CELL BATTERY

(R03, AAA) -
4o FRONT PAD L, R AHA1404

Mark No Description Parts No.
41 REAR PAD L, R AHA1405
42 PACKING CASE AHD1964
43 SHEET
44 FRONT PANEL AMBl740
45 CHASSIS
46 REAR PANEL
47 BONNET ANE1271
48 PACK HOLDER
49 HEAT SINK HOLDER B
50 PRESSURE METAL
51 HEAT SINK HOLDER A
52 PCB HOLDER
53 HOLDER
54 HEAT SINK
55 SHIELD PLATE (MECHA)
56 OPERATING INSTRUCTIONS AR31278
(ENGLISH)
57 OPERATING INSTRUCTIONS ARC1232
(SPANISH)
(9 58 DISPLAY ASSEMBLY AWZS409
59 1 MECHA SW ASSEMBLY
60 2 MECHA SW ASSEMBLY
G) 61 SUB TRANS ASSEMBLY AWR1058
62 MIC ASSEMBLY
63 DAMPER ASSEMBLY AXAlOOS
64 REMOTE CONTROL UNIT AXD1184
(CU - DCOZl)
65 SCREW BBZSDPOBOFZK
66 SCREW BPZZGPDSOFMC
67 2 MECHA UNIT EXKZOIO
68 1 MECHA UNIT EXK2020
69 NUT NKSOFUC
70 SCREW VPZsOPosflEMC
71 SCREW VPZSOPOSOFZK
A 72 FUSE (T2.5A, F U101) AEK-403
A 73 FUSE (TIA, FUIDZ) AEK-402
A 74 FUSE (TlA, FUIOS) AEK -402
A 75 FUSE (TSOOmA, FU151) AEK-U31
A 76 FUSE (T800mA, FU152) AEK~ 031
A 77 VOLTAGE SELECTOR ($101) AKX1004
A 78 VOLTAGE SELECTOR ($102) AKXw507
A 7!) POWER TRANSFORMER ATSI315
(T102)