Pioneer A-605R User manual

@) PIONEER’
The Art of Entertainment
Service
Manual
STEREO AMPLIFIER
ORDER NO.
RRV1594
The illustration shows modal A-605R.
A-605R
A-605R-G
A-505R
A-405R
A-405R-G
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
The voltage can be
fa a eT
Type [soar [AS05R-G | A-sosn | Aaosn [AacsR.G| POWETRequirement | converted by the,
Hvew | o | o | o | o | o |[aAces-zov [—— |
Paver [of [0 | 6 |= _[acsx0=2s0y J ——
F_sp | o | - | - | - _|-_— | actrowrao — 12rvab0v240V) Win the votage selector
a Na a Ge Cc (a T
CONTENTS
1. EXPLODED VIEWS AND PARTS LIST ........ ee 2
2. PACKING AND PARTS LIST .............ccsessccceesseseereesseceeses 5
3. SCHEMATIC AND PCB CONNECTION DIAGRAMS .... 6
4.°PCB:PARTS.LIST ici cen head te oe te. techie aiid esteasenies 21
5: ‘ADJUSTMENTS sectisiics.. gaicpatielettarcbas Sensec Secnsdeovcasetsveice 24
6. IC INFORMATION ..............ccecccessececesesceceesseeeeseceneereeees 25
7. BLOCK DIAGRAM .........oecccceecceeseeesssseeeeecsssceecseseseeeeeses 26
8. FOR A-605R/HY/GR, SD, HV, A-605R-G/HY/EW,
A-505R/HY/EW, HY/GR, A-405R/HY/EW, HY/GR, HV
AND A-405R-G/HY/EW TYPES ...... cc ceccecccesscneetsceenes 27
9. PANEL FACIRITIES oe eececeeceeecesececeeecesceessecrereenees 32
10. SPECIFICATIONS. uuu... cece ccccccccccesscccesceccecessscecresersereees 35
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE, INC. P.0.Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC [EUROPEIN.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00 Lane Crawford Place, Singapore 0923
© PIONEER ELECTRONIC CORPORATION 1996 T-FFK APR. 1996 Printed in Japan

1.
EXPLODED
VIEWS
AND
PARTS
LIST
NOTES:
e
Parts
marked
by
"NSP"
are
generally
unavailable
because
they
are
not
in
our
Master
Spare
Parts
List.
e
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.
e
Parts
marked
by
"@"
are
not
always
kept
in
stock.
Their
delivery
time
may
be
longer
than
usual
or
they
may
be
unavailable.
Parts List (for A-605R/HY/EW)
Mark No. Description Parts No. Mark No. Description Parts No.
1 AC PRIMARY ASSY AWZ7944 31 HINGER AMR7116
NSP 2 HEADPHONE ASSY AWZ7947 32 PANEL STOPPER MOULD AMR7I17
3 FRONT R ASSY AWZ8398 33 DUMPER AXA7036
4 AFASSY AWZ7932 34 LED LENS AAK7260
5 VOLUME ASSY AWZ7941 35 LEDLENS PNW2019
6 FRONTLASSY AWZ8397 36 NAME PLATE VAM1032
A 7 FU3 FUSE (T500mA) AEK1051 37. ROTARY KNOB C AAB7089
A 8 FUI FUSE (12A) AEK1057 38 ROTARY KNOB L AAB7090
9 Jl FLEXIBLE CABLE ADDI1114 39 ROTARY KNOB B AAB7091
(On lsestee 40 SPEAKER BUTTON AAD7290
11 TERMINAL SCREW AKE - 031 41 SELFILLMI BUTTON A AAD7291
A 12 ACSOKET3-P AKP - 502 42 SELFILLMI BUTTON B AAD7292
A 13. Tl POWER TRANSFORMER ATS7128 43 POWER BUTTON AAD7293
NSP 14 CHASSIS ANA7048 44. MUTING BUTTON AAD7294
15 REAR PANEL ANC7424 45 TOP COVER AME1086
16 POCKET HOLDER ASSY ANG 1864 46 METAL BONNET ANE7119
17. FOOT AMR1159 47 PANEL BASE AMB7362
18 REMOCON WINDOW AAK2457 48 DOOR PANEL ANB7050
19 SCREW ABA — 298 49 FRONT PANEL ANB7052
20 SCREW (STEEL) ABA1004 50 SCREW BBT30PO080FZK
21 SCREW ABAIO18 51 SCREW BBZ30PO80FMC
22 SCREW (STEEL) ABA1053 52 SCREW BPZ20PO80FMC
23 SCREW ABA7023 53 SCREW BPZ26P080FMC
24 POCKET SPRING ABH7114 54. NUT NK90FUC
25 NUT ABN — 065 55 SCREW VMZ30P060FMC
NSP 26 CORD WITH PLUG ADH1003 56 SCREW BMZ30PO080FZK
NSP 27 PCBHOLDER AEC7057 A 57 SWITCH (MAIN POWER) ASH - 501
NSP 28 PCB MOULD AMR1525
29 POCKET LOCK AMR2587
30 HINGEL AMR7115

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are used for disassembly.

2. PACKING AND PARTS LIST
Parts List (for A-605R/HY/EW)
Mark No. Description PartsNo.
NSP 1. BATTERY (R6P, AA) AEX — 010
2 OPERATING INSTRUCTIONS ARE7077
(English/German/French/Italian/
Swedish/Spanish/Dutch/Portuguese)
3 REMOTE CONTROL UNIT AXD7053
(CU - A013)
4 SIDE PROTECTOR L AHA7127
5 SIDE PROTECTOR R AHA7128
6 PACKING CASE AHD7308
NSP 7 LITERATURE BAG AHG - 117
8 PACKING SHEET AHG1016
9 BATTERY COVER AZN2249
A. 10. ~=AC POWER CORD ADG1154
Air cup
HV type only
==
SS
3. SCHEMATIC AND PCB CONNECTION DIAGRAMS
NOTE FOR SCHEMATIC DIAGRAMS (Type 1A)
1.
2.
ey
o
When ordering service parts, be sure to refer to
"PARTS LIST of EXPLODED VIEWS" or "PCB
PARTS LIST".
Since these are basic circuits, some parts of them or the
values of some components may be changed for improve
ment.
. RESISTORS:
Unit: k:kQ, M:MQ, or Q unless otherwise noted.
Rated power: 1/4W, 1/6W, 1/8W, 1/10W unless otherwise
noted.
Tolerance: (F): +1%, (G): 2%, (K): 10%, (M): +20% or +5% un-
less otherwise noted.
. CAPACITORS:
Unit: p:pF or uF unless otherwise noted.
Ratings: capacitor (uF)/voltage(V) unless othrewise noted.
Rated voltage: 50V except for electrolytic capacitors.
COILS:
Unit: m:mH or pH unless otherwise noted.
. VOLTAGE AND CURRENT:
: Signal voltage at rated output.
SJ] or & V:
DC voltage (V) at no input signal unless otherwise noted.
Value in( ) is DC voltage at rated power.
o mA or — mA:
DC current at no input signa! unless otherwise noted.
OTHERS:
*@ or@ : Adjusting point.
o : Measurement point.
* The A\ mark found on some component parts indicates the im-
portance of the safety factor of the parts. Therefore, when re-
placing, be sure to use parts of identical designation.
. SCH-O ON THE SCHEMATIC DIAGRAM:
* SCH-C indicates the drawing number of the schematic dia
gram. (SCH stands for schematic diagram.)
. SWITCHES (Underline indicates switch position):
FRONT L ASSY
$701 : POWER STANDBY/ON
$702 : LOUDNESS
$703 : SPEAKER A
$704 : SPEAKER B
FRONT R ASSY
$601 : INPUT SELECTOR
$602 : REC SELECTOR(SOURCE/OFF/CD/TUNER)
$603 : TAPE2 MONITOR
$604 : DIRECT
$605 : MUTING
NOTE FOR PCB DIAGRAMS
1. Part numbers in PCB diagrams match those in the schematic
diagrams.
2. A comparison between the main parts of PCB and schematic
diagrams is shown below.
Symbol in PCB
Diagrams
Oo 9° (e)
5
Transistor
aa i with resistor
Symbol in Schematic
Diagrams Part Name
Transistor
DGSsO G8
(CCRS)) se ° ° Field effect
DGS transistor
Coys o ox 3 Resistor array
3-terminal
regulator

3.1 OVERALL WIRING DIAGRAM
SCH-1
2. 8mV750Kohm
co
200mv/S0Konm
TAPE? REC
200mV/1Kohm
TAPE? PLAY
200mv7S0K ohm
TAPE2 REC
200mv71K ohm
v
L
TAPE2 MONITOR
200mV/50K ohm
R
HEADPHONE
ASS" Y
AWZ7947
(—SCH-4)
51063-0305,
A
RR a
[ete SSW [were [| [waren [artrens | [were | | | [eres
OVERALL WIRING DIAGRAM
J1
OCOODOOOOOD
BOARD TO BOARD
NSOI xP2007A1
VOLUME ASS’ Y
AWZ7941
(-SCH-3)
OOOOSCOE@OOEOD
COODOLVOOOOOOOOCOODOO
FRONT R ASS’ Y
AWZ7936 for A-405R
AWZ7935 for A-SOSR
AWZ8398 for A-605R
(—SCH-4)
6045-21
ADD1114
A-605R-G
OOOVDOOOOOQOQOOOOOSCOCOOVOOS
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Oo—
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oO— 3 7
Fa g AWZ7934 for A-405R
S @ AWZ7933 = for A-SOSR
+ Severs AWZ7932 for A-605R ‘ fo)
5 Roch
(~SCH~2) 3 fe)
fe} °*
TEST POINT (Leh) TEST POINT (Rech) Loch
Roch
0.22 0.22
aWwoF ww F
sP-B
baa | IDLE ADJ. (Leh) 1OLE aDY. (Ren)
o o Loch
AF ASS’ Y
A-SO5R
AWZ7933
AF ASS'Y
A-405R
AWZ7934
51063-1508,
ei
Deena ee
J4
| DISAO
@
51063-0305
A-405R GOW+E0W/Bohm DIN
SOW+90W/4 ohm DIN
A=-505R GSW+E5SW/Bohm DIN
100W+100W/aohm DIN
A-505R 75W+75W/Bohm DOIN
1 20W+1 20W/4ohm DIN
3-075
~2651
J3 015A07-200-2651
KPEIS
FRONT L
ASS’ Y
A-SOSR
3 AWZ8397 for A-60SR
Zz
i (—SCH-3)
”
8
Lion S
J3 D15A07-200-2651
AWZ 7943
AWZ7938 for A-405R
A-405R/HV
A-605R/HV
5106
@ NOTE FOR FUSE REPLACEMENT
CAUT |] ON — FOR CONTINUED PROTECTION AGAINST RISK OF FIRE
REPLACE ONLY WITH SAME TYPE AND RATINGS ONLY.
AWZ7944 A-SOSR/HY/EW. /HY/GR
A-6OSR/HY/EW, “HY/GR, (-G) /HY/EW
AWZ7345 A~40S5R/HY/EW, /HY/GR, (-G) /HY/EW
aees AWZ7846 A-605R/SD 3
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EW,
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Ar: ATS7129
119
A-605R/SD
OVERALL WIRING DIAGRAM
SCH-1

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e This diagram is viewed from the mounted parts side. e The parts mounted on this PCB include all necessary parts for several destinations.
For further information for respective destinations, be sure to check with the schematic diagram.
1 1 2 1 3 1 4 | 5 ]
6

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1. RESISTORS
/NDICATED
TO AF ASSY CN203 (-SCH-2)
IN Ohm 174W+5% TOLERANCE UNLESS OTHERWISE NOTED K.KOhm
F.FL:NON-FRAMABLE TYPE
2.CAPACITORS
“NDICATED
IN CAPACITY (uF) VOLTAGE (V) UNLESS OTHERWISE NOTED p-pF
iNDICATEO WITHOUT VOLTAGE IS SOV EXCEPT ELECTROLYTIC CAPACITOR.
M:MYLAR FILM TYPE
TX. CFTXA
3. 9100ES
NO MARK DIODES ARE HSS104-02
cs11
a
R517
beto
Q510
FRONT L ASSY,
VOLUME ASSY
SCH-3

Q701 Q702 Q704 Q703
Q706 Q751 10751
Q752
Q707
e This diagram is viewed from the mounted parts side.
@ The parts mounted on this PCB include all necessary parts for several destinations.
For further information for respective destinations, be sure to check with the schematic diagram.
Q511-Q514 Q508 Q504
Q510 Q506
Q505
Q509
Q507 Q503 Q501 Q502
ANP7139-B
16

3.4 FRONT R, HEADPHONE, AC PRIMARY ASSEMBLIES
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CAUT 1 ON — For continued PROTECTION AGAINST RISK OF FIRE,
REPLACE ONLY WITH SAME TYPE AND RATINGS ONLY.
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t INDICATED INCAPACITY (uF) VOLTAGE (V) UNLESS OTHERWISE NOTED 9: pF eal power xey |G
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HEADPHONE
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SCH-4
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AC
PRIMARY
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SC
H-4