Schematic Diagram; Signal Section - Pioneer CT-9R Service Manual

3
3 . S C H E M A T I C D I A G R A M
S I G N A L S E C T I O N
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DOLBY Ass'y
I
RWX -579
r c 6 0 l
R E C t A P . B
I N
B Y P A S S G N D
I N R E F
t 2 3 4 5
T I S W R E C
- 2 - 3
o u T
1 3 l 4
l C 6 O l 1 6 0 4 :
O O L B Y N R ( B A C
T Y P E )
sw
- 2
LEd.jnPo-o,.
i HF-t
lueoe
| \L0!.0J !nrp-ose
PHASE
a
C O N T A . S
scF vcR HPA T2 f2 SS SS
MC
- 2 - 2
- 2 - t - 2 - 2 - l
(
1 7 1 8 1 9 ? o 2 t 2 2 2 3
o.oor8
t t
r 3 6 m H
c€.7
1o.47
/ 3 0
-
-
I
TI
- 2
SW REC
- 3
O U T
t3
t4
SCF VCR HPA T2 T2
- 2 - 2 - 2 - l - 2
1 7 1 8 1 9 ? o 2 1
A . S
P H A S E
a
CONT
t 5
L6@
3 6 m H
R640
t l
L : : _ : - J
PHAS€
REC IA P.B STY
lCR HPA SW
TI TI
SIV
REC
A
SCF VCR HPA T2 T2 SS
SS
MOiI
f N
B Y P A S S G N O t N R E F .
- t
S C F
- l
- . 1 - 2 - { - 2 - 3
o U T C O N T . A . S
- 2 - 2 - 2 - l - 2 - 2 - t
(
| 2 3
4
5 6
7 I 9 to lt l2 t3 14 {5 16 t7 18 19 20 2t 22 23
REC
OUT
t 4
sa
- 3
REC IA P.B
IN BT/PASS GNO IN REF
PHASE
a
CONT
s c F v c R
A . S
- 2 - 2
16 t7 18
HPA
- 2
t9
T2
T2 SS SS MOr
- f - 2
- 2 - l
20 2t 22 23
. I .
R E S I S T O R S :
f ndicated in !1 ,'/aW, 15% tolerance unless otherwise noted k : kO,
M : M(1, lFl : t1o/o, (Gl : t2o/., (() : r lO'Atolerance
2 . C A P A C I T O R S :
Indicated in capacity (p F)/voltage (V) unless otherwise noted p : pF
Indication without voltage is 5OV except electrolytic capacitor.
3 . V O L T A G E
I_]
,DC voltage (V) at no input signal
4 . O T H E R S :
f
: S i g n a l r o u t e .
@ : Adiusting point.
The
7fi mark found on some component parts indicates the im-
ljl
portance
of the safety factor
of the part.
Therefore, when replacing,
be sure to use parts
of identical designation.
SWITCFES
SIOI : CASSETTE HALF DETECTOR NO HALF _ HALF
S{O2 : ERASE PREVENT OETECTOR HOLE _ NO HOLE
SIO3: FWD/REV SELECTOR FWD_ REV
SIO5 : AUTO TAPE SELECTOR
NORM _ HIGH
SfO6: AUTO TAPE SELECTOR METAL-CrOz
S3O2: POWER
ON _ OFF
srorS : TAPE CAPACTTY
46L -46 - 60 - 90
S I I O I : R E S E T
SI IO2; TAPE / TIME SELECTOR
TAPE - TIME
S I 5 O I : M O N I T O R
T A P E - S O U R C E
The underlined indicotes the switch oGition.
This is the basic schematic diagram, but the actual circuit may vary
due to improvements in design.
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