Pioneer CT-W205R Service Manual page 17

6. SCHEMATIC
6.1 MAIN UNIT (1/2)
NOTE FOR SCHEMATIC DIAGRAMS (Type 6A}
1. When ordering service parts, be sure to refer to
"PARTS LIST of EXPLODED VIEWS" or "PCB
PARTS LIST™.
. Gince these are baste circults, some parts of them or the
values of some components may be changed for [mprove-
ment.
3. RESISTORS.
Uni k& kQ, M:M@, or © unless otherwise noted
Rated power: 1/4W, 1/6W, 1/8W, 1/10W unless otherwise
noted
Tolerance. (F}: 41%, (G), 42%, (K) £10%,(M) +20% or +5% un-
less otherwise noted.
4. CAPACITORS:
Unit p:pF or pF unless otherwise noted
Ratings, capacitor (pF )/ voltage (V) unless olherwese notad
Rated vollage SOV except for alectrolytic capacitors
6. COILS;
Unit, m:mH or pH untess otherwise noted,
6. VOLTAGE AND CURRENT:
or- Vv
DC voltage (V) in STOP mode unleés olherwike noted,
@ mA or — mA
OC currenl in STOP mode unless otherwise noted.
7 OTHERS:
= @ or @ : Adjusting pont
= <<): Measurement point
© The A mark found on soma component parts indicates the imn-
Portance of the salety factor of the parts, Therefore, when re-
Placing, be Gure lo use parte of identical designation
@. SCH—C ON THE GCHEMATIC DIAGRAM:
© SCH—O indicates the drawing number of the schematic dis-
gram (SCH alands for schematic diagram.)
8. SWITCHES (Underline indicates switch position):
SUB UNIT
81601 . POWEA (STANDBY a ON)
$1602 : COPY NORMAL
81609 : COPY HIGH
$1604 : DECK NMS 4
81608 : DECK NMS -
81606 : REWIND AUTO PLAY 2
81607 - DECK IMS -
$1609 m STOP?
$1610 ' O MUTE 2
S161) » FWD2
91612 : = AEV2
$1619 me FF 2
81614 = REW2
$1615 fl PAUSE
$1616 REWIND AUTO PLAY |
Siei?7, BSTOPI
Sl6ie @REC2
81619 =» FWOS
61620, a AEV!
8162) ee FFI
S81a22 == REW)
$1624 DECKIMS +
$1625 OLOBY NA (B-OFF-C)
$1626 © =/Dy¥cz> REV MODE,
(RELAW/SKIP)
tew
iH
ry
é
MAIN UNIT (1/2)
DIAGRAMS
MAIN UNIT(1/2)RWZ3727 > HYXJ, HVXJd
RWZ3728: SOXJ,SLXJ
RWZ3930 : KUXJ, KCXJ
RWZ3952: HPWXJ
1 MECHANISM
P.B EQ AMP
VA12
Note! ¥ | KUXJ, KCXJ, HPWXu,
a SDXJ,SLXJ types
za
UNIT (172) |
(RYM1237)
#2 HVXI,HYXU types
2SK373-GRYY
61 Qi °
C1B4'-- 33aP
2) Cisse
-—P,
— Ea 36 Q1e81 "s o165 m] |om m
ekcks Aa) | a
i — ee 7 Cts) | 3 © © eve ia el i wo
TDEZOR PB EQ AMP
1c101
CXA1115BP
R106 330K
PB LEVEL ADJ.
I
PB LEVEL ADJ.
OTF1@67
17458
6201 82F203
i
(e121 6BOPr vB
DOLBY B/C NR
—7.2dBV
CT-W205R
r —
EEE a
CXA1568S
1¢201
i
2 MECHANISM
UNIT (173)
(RYM1236)
j--
! (eh
B38-PH-K-S Fi] i Sy.
xfoe ti Sez
ry i Oy
ge
Soe
gD
alk
Q162
2SK 373-GRA~V.
Di66.
D164
KRA15218
10301 (172)
RTF1208
4.7K
RTF1102
R339
a, 1K 910
Azet
RCN128-A-T
3
iq Sh
w
a'
=
as
i
oc
ao
a
REC
LEVEL
ADJ.
GNDA
(REC)
8 g tx oY 65 ba
Nn on
NY i
~ -x Ox . 16K
Que
38 eX es Sx xB lex Mm
Be ES C812 ee R320 $3 <7
5 ssi 133 4
ne tm en we Ki @ 0035 ".
(Cy) +
ro 7.8 3
m mo Da a i
A316 NS
0 | yuo
Stg st" azep .
my, { . erin d e aged al
al, ao
@, avi o k
c302 § Shin
38 sem] ces
i ey =
man
ess
spe 'royva 2 s'
ye 6° 'p oT'? Ens
2s Sen ae) ale
we
ra
en
"e L3e2 csi4 tg ae R340
R362 Aa36
& 1OmH 81K 910
4.7758
av] ca22 3 ne RON1028-A-T
ATEIS G2)
1309 (272)
Me ve ae
XRA15218 bd
REMI
R341
LC n_| 2 2
as
so |YF
GNDA
VA12
----
5
f. 105KHZ
vl dss
| |
g p bie? i is
Os ee
sas
|e Heap pad TRAE sé] 32-f, Rats
| 28S 8 3 i z ! 15
(a)
Cai ™ 'bk
(17 20F)
| '|
oO ®. 00627188
a
@ (PA) Pay 3
| Rpg 1 059-
aie
vz é
yy 26
| KE45A—C1 | B2B-PHK-S
RAO? e =
2 aK Cy i
(SS
2 MECHANISM
LaOt 8. 12eH
es
UNIT (273) LFAI21K AE a'
~ p
(RYM1236)
BIAS OSC rR
CH)
gn
___ BIAS
GNDA
(BIAS)
TO MAIN UNIT (272)
®
lame
YA704 (374)
TP1 cH
B vec/2
cy. OO. GRE AL
& O
EK: VA12
41K
D651 RESS
MRAI5216 a
10651 (172) )
w
\
~
¢
°
338/6.3
BUFFER
VA12
GNDA
y
MRAIS216
n feyy'¢78" (172) a8 §
MRAI5218
10781 (272)
I
I
INPUT VR
RCV1089
KA
vr 7ot (272)
VR7Q1 (172)
ACV1089
-——————_- -
(RL=1 00)
YA7ON (174)
RKB-B20
GNDA
(INPUT)
| SIGNAL ROUTE
I ©} = PLAYBACK SIGNAL
™ : RECORDING SIGNAL
MAIN UNIT (1/2)
YA7Q4 (274)
20