Pioneer CT-1270WR Service Manual

Seïvice
cTVlanual
REPAIR & ADJUSTMENTS
36 a.
Radio en Teievisieservice
"KEES van de MORTEL"
Bokshcuveistraat 14
522 AV s-HERTOGENBOSCH
Tel.:
(073) 6218344
ORDER NO.
ARP1028-0
STEREO DOUBLÉ CASSETTE TAPE DECK
CT-1S7aWRCBK3
MODEL CT-1270WR (BK) COMES IN SIX VERSIONS DISTINGUISHED AS FOLLOWS:
Type Power requirement
Destination
KU
AC120V only
U.S.A, model
KC
AC120V only Canada model
HEM
AC220V,240V (switchable) European continent model
HB
AC220V,240V (switchable) United Kingdom model
D
AC120V,220V,240V (switchable)
General export model
D/G
AC120V, 220V,240V (switchable)
U.S. Military model
Thls service manual is applicable to the KU type.
As to the KC, HEM and HB types, piease refer to the additional service manual (ARP1029).
As to the circuit and mechanism descriptions, piease refer to the CT1270WR (BK) service manual
(ARP1027).
As to the D and D/G types, piease refer to the additional service manual (ARP1030).
Ce manuel d'instruction se refère au mode de réglage, en francais.
Este manual de servicio trata del método ajuste escrito en espafiol.
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2.
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SAFETY INFORMATION 2 8. • P.C. BOARDS CONNECTION DIAGRAM . .
. . 23
SPECIFICATIONS 3
9.
SCHEMATIC DIAGRAM
27
FRONT PANEL
FACILITIES
4
10.
ELECTRICAL PARTS LIST
31
DISASSEMBLY 7
11.
ADJUSTMENTS
35
PARTS LOCATION
11
11.
RÉGLAGE
4?
EXPLODED VIEWS AND PARTS LIST 13
AJUSTES
49
PACKING 22
PIONEER ELECTRONIC CORPORATION Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.O. Box 17BO. Long Beach. California SOBOI U.S.A.
TEL; (ai3) 420-5700
PIONEER ELECTRONIC (EUROPE] N.V. Keetberglaan 1, 2740 Beveren, Belgium TEL; 03/775-aaOB
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 17B-1B4 Boundary Road, Bnaeside. Viccona 3135, Auscralia
TEL; (OS) 580-3911
Yl © MAR. 1986 Printed in Japan _

Pioneer CT-1270WR Specifications

Power

power requirements (U.S., Canadian models)	AC 120 V, 60 Hz
power requirements (European model)	AC 220 V, 50/60 Hz
power requirements (U.K., Australian models)	AC 240 V, 56/60 Hz
power requirements (U.S. military, other destination models)	AC 120 V/220 V/240 V, 50/60 Hz (switchable)
power consumption (U.S., Canadian models)	18 W
power consumption (European, U.K., Australian models)	24 W
power consumption (U.S. military, other destination models)	16 W

Audio Specifications

wow and flutter	No more than 0.07% (WRMS)
wow and flutter (DIN)	No more than 0.19%
frequency response (normal tape)	20 to 15, 000 Hz
frequency response (chrome tape)	20 to 15, 500 Hz
frequency response (metal tape)	20 to 16, 000 Hz
signal-to-noise ratio (Dolby NR OFF)	More than 57 dB
noise reduction effect (Dolby NR B type ON)	More than 10 dB (at 5 kHz)
noise reduction effect (Dolby NR C type ON)	More than 19 dB (at 5 kHz)
harmonic distortion	No more than 0.7% (0 dB)

Weight and Dimensions

dimensions	420 (W) x 115 (H) x 262 (D) mm
dimensions (inches)	16-9/16 (W) x 4-1/2 (H) x 10-5/16 (D) in
weight (without package)	8 kg (11 lb)