Pioneer dcz 91 service manual
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Page 1
(U) PIONEER;
The future of sound and vision.
D===.
IIIII IIIII
El
ORDER NO.
ARP1484
STEREO DOUBLE CASSETTE TAPE DECK AMPLIFIER
C -ZQI
Dc-291 HAS FOUR VERSIONS:
TYPE Power requirement Export destination
HE AC220V, 240v (switchabie) * European continent
H8 Aczzov, 240v (switchable) * United Kingdom
SD AC110V, 120v~127v, 220v. 240v (swiichabie) Kingdom of Saudi Arabia and general marks!
HEZ Aczzov. 240v (switchable)* West Germany
*Change 1he position of the fuse on the power supply assembly.
a This manual is applicable to the HE, HB, and SD types.
a For the HB and SD types, refer to pages 64-66.
0 For the HEZ type, refer to the additional service manual (ARP1485).
0 Ce manual pour le service comprend Ies explications en frangais de réglage.
O Este manual de servicio trata del método aiuste escrito en espafiol.
CONTENTS
1 SPECIFICAT'ONS ............................................ 2
2. PANEL FAClLITIES ---------------------------------------- 3
3. EXPLODED VIEWS AND PARTS LIST -~7
4. PACKING rrrrrrr
5. SCHEMATIC DIAGRAM
6. PC BOARDS CONNECTION DIAGRAM ~~~~~~~~ 27
7, ELECTRICAL PARTS LIST
8. ADJUSTMENTS .................
8. REGLAGES .................................................... 54
8' AJUSTE ........................................................ 59
9. FOR HB AND SO TYPES ---------------------------- 64
PIONEER ELECTRONIC CORPORATION 4-1. Meguro 1-Ch0me. Meguro-ku. Tokyo 153. Japan
PIONEER ELECTRONICS SERVICE INC. PO. Box 1760. Long Beach. California 90801 U.S.A.
PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Drive. Markham, Ontario LSR 8E3 Canada
PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1. 2740 Beveren. Belgium
PIONEER ELECTRONICS AUSTRALIA PTV. LTD. 178-184 Boundary Road. BraeSide. Victoria 3195. Australia TEL: [03] 5809911
Sl© FEB. 1988 Pinned in Japan
Page 2
1. SPECIFICATIONS
Cassette tape deck amplifier: DC-291
AMPLIFIER SECTION
Continuous Power Output
1 kHz (DIN) .................. 60W + 60W (T.H.D. 1% 8 ohms)
1 kHz (DIN music power) ........................... 90W + 90W
iT.H.D. 1% 8 ohms)
Graphic equalizer frequency band ...................... 100 Hz, 330 Hz.
1 kHz, 3,3 kHz, 10 kHz, i 7 dB
Hum and Noise (iHF, short-circuited, A network)
PHONO .................................................................... 72 dB
Hurn and Noise (DIN continuous Power/50 mWI
PHONO ........................................................... 68 dB/GO dB
Total Harmonic Distortion
(40 Hz to 20,000 Hz, 30W, 8 ohms) ........... No more than 02%
Tape Deck Section
Systems 4 track, Zrchannel stereo
Heads. . Recording/playback head x i
Playback head x 1
Erasing head x 1
Motor .............. . DC servo 2 speed motor x 2
No more than 0.09% iWRMSi
Approximately 95 seconds
(C760 tape)
Wow and Fiutter
Fast Winding Time
0 CONNECTION DIAGRAM
Frequency Response
- 20 dB recording
Normal tape.
Cr 02 .....
35 Hz to 14,000 Hz :6 dB
35 Hz to 15,000 Hz :6 dB
Metal tape 35 Hz to 16,000 Hz i 6 dB
Signal-tornoise Ratio
Dolby NR OFF ............................................................ 56 dB
Noise Reduction Effect
Doiby B type NR ON ...................... More than 10 dB (at 5 kHz)
Furnished Pans
Operating Instructions .
Remote control unit t
Dry cell batteries ..
Miscellaneous
Power requirements .
Power Consumption .
Dimensions ..........
Weight (without package)
. a.c. 220 Volts ~, 50/60 Hz
H 480 W
360 (W) x 271 (H) x 332 ID) mrn
.................................... 10 kg