Pioneer a 705 r service manual

Page 1

(U) PIONEER'

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Service
Manual

RRV1590

STEREO AMPLIFIER

A-705R

0 Refer to the service manual ARP2890 for A-604RIHE.

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEMS) AND TYPE(S).

Mae 1;: Power Requirement mgr an L m by the
SD 0 AC110V/120 - 127V/220V/240V With the voltage selector
HY/EW O Acao - 230v AC240V, II!
HYIGR O A0220 - 230V A624DV, *

at : Alter the wiring of lhe Power-supply block at the primary winding of Fowemransformer referring to the 'Line Voltage Selection'
described in Service Manual.

PIONEER ELECTRONIC CORPORATION +1, Meguro 1-Chome. Moguro-ku. Tokyo 153, Japan
PIONEER ELECTRON SERVICE. uc. P.0.Box 1780, Long Beach, CA 90801-1760, U.S.A.

mousse ELECTRONIC [ELMOPE] N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE P'I'E. LTD. 501 Orchard Road, #10-00 Lane Crawford Place, Singapore 0923

© PIONEER ELECTRONIC CORPORATION 1996 T-FZKAPR. 1996 Printed in Japan

Page 2

A-705R

O CONTRAST OF MISCELLANEOUS PARTS

NOTES:

0 Pan: marked by "NSF" are generally unavailable because they are not in our Master Spare Pam list.
a The A mark found on some Componentpam indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to me

pans of identical designation.
0 Parts marked by "Q " are not always kept in stock. Their delivery time may be longer than usual or they may be unavailable.

A-705FllHY/EW, HY/GR, SD and A-604R/HE have the same construction except for the following:

Pan No.
Mark Symbol 81 Descriplion A-604H A-705R Remarks
HE HY/EW HY/GR SD
NSP AFASSY AWK7172 wa7304 AWK7304 wanos
POWER AMP ASSY AW27706 szsaso szssso szsaso
VOLTAGE AMP ASSY AWZ4895 AWZB3SI szs351 szss51
NSP REC OUT ASSY sz7s42 szsasz szs352 szs352
NSP DIODE ASSY AWZ7I63 szsass AW28353 szsz53
POWER TRANS ASSY sz7759 szs354 szs354 szs354
POWER sw ASSY Avlre7707 szsass szssss szsass
NSP INPUT ASSY wa7 180 wa7305 AWK7305 wa7305
NSP HEADPHONE ASSY AWZASBS szsss7 AWZS357 szsss7
TONE ASSY AWZ7766 Amsss szzzss szsass
INPUT ASSY AWZISOG szs359 Aw23359 AWZ8359
NSP CONTROL COMPLEX ASSY AWP7003 AWP'7008 AWP7008 Awmoos
MPU ASSY AWZ7758 szsaso szssso AW28360
VOLUME ASSY Awnm Amslsa szma AW28363
A 51 Volugeselecm Notused Nmused Notused AKX-507 *1
(ACI loVIlzo - l27V/220VI240V)
A 52 Voltage selecwr Not used Not used Not used Amem *1
(AG 10- 127vrzzo - 240V)
A T1 Power customer ATSM90 ATs7124 ATs7124 Nu used
(Aczzo - zsovmow
A T1 Powermslomer Nolused Notused Naused ATS'IIZS
(AC1 lovnzo - 127Vfl20Vm0V)
A ACoulla AKP-soz AKP-502 AKP-sm AKP-SIS
A FU2 Fuse (25A) No! used Not used Not used AEK - 512 *2
A ACpowercord ADGllZ7 ADGIlS4 ADOlls4 ADGllss
Seem Not used VstoPlzoFMC vnzsomzomc vszsoPlzoFMC Fat insulate:
prunel (MET) ANC'1240 ANc7431 ANCMSI Achosl
lnsumor Not used AMR2622 AMR2622 AMR2622
54 Switch Not used ASH - 5.01 *3 ASH - 501 *3 Not used On 1w panel
Screw Not used BMzaomsm-zx BMZBDPOSOFZK Not used For 54 switch
Front panel (MET) ANB7ols ANB'IOSS ANB7055 ANB7055
NSP Heal sink ANH1435 ANH7017 ANH7017 ANH7017
Sheet AEElOl4 Ill-2137010 AEE7010 AEE7010
Operating inmcfions ARE7049 ARE7071 Not used Not used
(English/chh/Gefmln/lnrianl
Swedish/DICNSpuisll/Pongme
Operating lnsuucuons Not used Not used ARC7I19 Not wed
(Gcmun)
Opening instructions Not used Not used Not used ARE'IO'IZ
(English/SpanishIChmese)
side pad L AHAl 600 AHA 1658 AHA1658 AHA1658
Shonpinplug Nmused AKM-oso AKM-oso AKM-oso AmnPI-IONOJACK
Pachngeue AHD7I85 AHD7313 Al-lD7313 AHD7314
Packing ulna Al-lGlzo-s Al-lG7oos AHG7008 Ammo:
Nae #1 : Refer so "SCH-1" ofA-éOlRISD in themm manual
*2 : Ref: to SCH-6" of A-GOIRISD in 112 Am service menu-1,
#3 : Refer to med.