Pioneer A-335 Manual de serviço - Página 18
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01,02: 2Sc328t
03,04: 2SA1302
205-0224,
Q1-Q4;
IC201, 1C202:
to CURRENT CONTROL.
NON
SWITCHING
CONTROL TYPE T
'R260
1¢601: BUFFER
AMP
1€602 : LOUDNESS
Q603, 0604:
SWITCH
RSI7 REI R519 R520 RO
390
390
390
390
380
(daw) aw O72) A720) 72
0305-0608
1C601, IC602
Q601, Q602, Q603.,
$601, $602, S603
VR603, VR604
xoSPEAKER SWITCH ASSEMBLY (172)
$501
$401
Q303,0304: D.C. DETECTOR
0305,0306
: PROTECTION
AEL1004
AEL1010
1$S252
11E2
($5566)
ASG1019
SECV2S
ACT1045
ACT1046
ACT1047
HEADPHONE ASSEMBLY
SULSMXBXS
L401,L402
ATH1004
€510,C511
ACG1003
|
OOO
®
OOO
®
This schematic diagram 15 based on HE and HB types.
4 marked parts ar used in HEZ type only
tu marked parts: Oitter between HEZ type to HE and
D640
AEL1004
Jumper wires are used instead(short:
ing) in HE and HB types.
Vawues of parts numbers in [
tia marked parts are used in HE and HB types,
oz morked
parts
{shorting} 1p HEZ type,
wees are used sastead
1
As
134
%
¢s07
0.01
130
w*RS
68.
RESISTORS :
Indicated
in
Q,
1/4W,
1/8W,
+59
tolerance
uniess
otherwise
noted k:kQ,M:MQ,
(F); 1%,
(G): £2%. (K);*+10%, (M):
20%
tolerance.
CAPACITORS :
Indicated in capacity (u F) /voltage (V) unless
otherwise
noted
Pp: pF.
Indication
without
voltage
is
50V
except
electrolytic
capacitor.
VOLTAGE
CURRENT :
3: Signal voltage at (75W+75W. 49) output (1kHz)
Ti: DC voltage (V) at no input signal.
mA; DC current
at no
input
signal.
OTHERS
: Signal route.
The
A mark
found
on
some
component
parts
indicates
the
importance
of the
safety
factor
of the
part. Therefore, when
replacing, be sure to use parts of identical
designation.
sk marked
capacitors
and
resistors
have
parts numbers.
This
is the
basic
schematic
diagram,
but
the
actual
circuit
may
vary due to improvements
in design.
SWITCHES (Underline indicates switch position.)
PHONO
AMP
ASSEMBLY
$101: PHONO SELECTOR
MM-MC.
AF COMPLEX ASSEMBLY
$701:
INPUT SELECTOR
TAPE2-DAT/TAPE1 —CD —PHONO — TUNER ~ LINE
$702: REC SELECTOR
TAPE2—-1—TAPE1 --2~SOURCE
- OFF -CD-TUNER
TONE
ASSEMBLY
S601: SUBSONIC
ON-OFF
$602: LOUDNESS
ON-OFF
$603: DIRECT
ON-OFF
SP SW ASSEMBLY
S401-1: SPEAKERS-A
ON-OFE
$401-2: SPEAKERS-B
ON-OFF
$501: POWER
ON-OFF
A
*o SPEAKER
SWITCH
&
Ea
ASSEMBLY (2/2)
POWER
'AC POWER CORD
For WE ond HEZ types :AOGIOy
For HB type: ADG—O5!
C220/ 240
SOvE0Hr
1
Wed
Line Voltage Selection
Line voltage can be changed with following steps.
L
2
ay
4,
Disconnect the AC power cord.
Remove the Bonnet case.
Change the connection of the power transformer
lead ware.
Stick the line voltege label on the rear panel.
Porta | Oescristion
Aax.193 | 220v abet
AAx-192 | 240V tebe!
~wono 240v
220v