Pioneer CT-3 Service Manual page 2

1. SPECIFICATIONS
Tape Deck Section
Syst€m . ,
Compact cassette, 2-channel stereo
Motor
DC servo motor x 1
H e a d s
" H a r d P e r m a l l o y " R e c o r d i n g / P l a y -
back head x 1
Miscellaneous
Power Requirements
K U ( K C ) t y p e . . . .
Power Consumption
D i m e n s i o n . . . . . .
. AC120V, 60 Hz
. 16 watts
. 420 (W) x 120 (H) x 245 (D) mm
16-9/'16 {W) x 4-3/4 {H} x 9€/8
F a s t W i n d i n g T i m e
Wow and F lu tter
F r e q u e n c y R e s p o n s e
- 2 0 d B r e c o r d i n g :
N o r m a l , L H t a p € s
C h r o m i u m d i o x i d e r a p e
Metal tape .
0 d B r e c o r d i n g :
"Ferrite" Erasing head x 1
. Approximately 110 seconds (C-60
tapel
. No more than 0.05% {WRMS)
. 20 to 14,000 Hz
(35 to '12,000 13 dB)
. 20 ro 16,000 Hz
(35 ro 15,000 H2 13 dB)
. 20 to 17,oo0 Hz
{35 to 16,OO0 Hz 13 dB)
C h r o m i u m d i o x i d e t a p e . . . 3 5 r o 8 , 0 0 0 H z 1 3 d B
lMetal tape .
. . 35 to 13,000 Hz
S i g n a l - t o - N o i s e R a t i o
D o l b y N R O F F
l \ 4 o r e t h a n 5 8 d B
D o l b y N R O N
M o r e t h a n 6 8 d B
( a t 5 k H z )
H a r m o n i c D i s t o r t i o n
. N o m o r e t h a n 1 . 2 % l O d B l
l n p u t ( S e n s i l i v i t y / M a x i m u m a l l o w a b l e i n p u t / l m p € d a n c e )
M i c ( L . R ) .
. . 0 . 3 m V / 5 7 m V / 1 0 k a . 6 m m
d i a m . j a c k
( R e f e r e n c e M I C i m p e d a n c e ; 2 5 O O t o 1 O k O )
L I N E ( I N P U T )
5 0 m V / 2 5 V / 7 5 k o , P i n j a c k
Output {Relerence level/Load impedance)
( D ) i n '
Weight (without package) . . . 4.4 kg (9 lb 11 oz)
Furnished Parts
C o n n e c t i o n c o r d w i t h p i n p l u g s
O p e r a t i n g i n s t r u c t i o n s
Specifications and
the design subject to
possible modifications
without notie
due to improvements.
NOTES:
1. Reference Tapes: Normal & LH: DIN 45513/BLATT6 or
e q u i v .
C r O , D I N 4 5 5 1 3 / B L A T T T ( C r O , l o r e q u i v .
2 . R e t e r e n c e R e c o r d i n g L e v e l : M e t e r 0 d B
i n d i c a t i n g l e v e l ( 1 6 0
nwb/m magnetic level = Phillips cassette reference levet)
3 . R e f e r e n c e S i g n a l : 3 3 3 H z
4 . W o w & F l u t t e r : . J I S [ 3 k H z , w i t h a c c l . r s t i c c o m p e n s a r i o n
( w e i g h t e d ) r m s v a l u e l
5 . F r e q u e n c y R e s p o n s e : . M e a s u r e d a t - 2 O d B
t e v e t , D O L B Y
N R O F F , l e v e l d e v i a t i o n i s 1 6 d B w i t h o u t i n d i c a t i o n .
6 . S i g n a l t o N o i s e R a t i o : . M e a s u r e d a t t h e t h i r d h a r m o n i c d i s -
t o r t i o n 3 % l e v e l , w e i g h t e d .
7 . S e n s i t i v i t y : I n p u t l e v e l { m V } r e q u i r e d o r r e f e r e n @ r e c o r d i n g
l e v e l w i t h i n p u t I R E C ) c o n t r o t s s e t t o m a x i m u m .
8 . M a x i m u m A l l o w a b l e I n p u t r W h i t e d e c r e a s i n g s e t t i n g s o f i n p u t
( F E C ) l e v e l c o n t r o l s a n d i n c r e a s i n g t e v e t a t i n p u t l a c k s , t h i s i s
t h e m a x i m u m i n p u t l e v e l ( m v l a r t h e p o i n t w h e r e r e c o r d i n g
amplifier output waveform becomes clipFled.
L
R e f e r e n c e O u t p u t L e v e l : P l a y b a c k o u t p u t l e v e l w h e n m e t e r
i n d i c a t e s 0 d B .
L I N E ( O U T P U T ) . . .
H E A D P H O N E S . . . .
Subjunctions
D o l b y N R s y s t e m B t y p e
450 mV/50 k'l, pin iack
65 mV/8 '). 6 mm
S t a n d - b y m e c h a n i s m w a t h u n a t t e n d e d r e c o r d i n g
R E C m u t i n g I u n c t i o n
Mechanical auto stop
3 p o s i t i o n t a p e s e l e c t o r ( N O R l v l / C r O , / M E T A L )
On€ Touch recording system
R E C I u n c t i o n w i t h L E D i n d i c a t o r t a m p
S o t t L o c k m e c h a n i s m
2 c o l o r d i g i t a l l e v e l m e t e r ( 6 s e g L E D P e a k M e t e r )
M S l M u s i c S e a r c h ) s y s t e m
M P X f i l t e r s w i t c h
2