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ORDER NO.
RRV4458
X-HM51-K

CD Receiver System


X-HM51-K
X-HM51-S
X-HM51DAB-K
CD Receiver

XC-HM51-K,-S
XC-HM51DAB-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model Type Power Requirement Serial No. Remarks

X-HM51-K SYXE8 AC 220 V to 240 V &&&&######YY YY:Europe

X-HM51-S SYXE8 AC 220 V to 240 V &&&&######YY YY:Europe

X-HM51DAB-K VXE8 AC 220 V to 240 V &&&&######GB GB:U.K

X-HM51-S AXQ5 AC 220 V to 230 V &&&&######CN CN : China

XC-HM51-K SYXE8 AC 220 V to 240 V &&&&######YY YY:Europe

XC-HM51-S SYXE8 AC 220 V to 240 V &&&&######YY YY:Europe

XC-HM51DAB-K VXE8 AC 220 V to 240 V &&&&######GB GB:U.K


This service manual should be used together with the following manual(s).
Model No. Order No. Remarks

X-HM21-K/SYXE8 RRV4394


For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.

PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2013
K-ZZZ MAY 2013 Printed in Japan
1 2 3 4

1. CONTRAST OF MISCELLANEOUS PARTS
NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
A The 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.
Screws adjacent to mark on product are used for disassembly.
For the applying amount of lubricants or glue, follow the instructions in this manual.
(In the case of no amount instructions, apply as you think it appropriate.)
Nos. indicate the pages and Nos. in the service manual for the base model.
When ordering resistors, first convert resistance values into code form as shown in the following examples.
Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%,
and K=10%).
56 x 101 561 RD1/4PU 5 6 1 J
47 x 103 473 RD1/4PU 4 7 3 J
R50 RN2H R 5 0 K
1R0 RS1P 1 R 0 K
B
Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).
562 x 101 5621 RN1/4PC 5 6 2 1 F


CONTRAST TABLE
X-HM51
X-HM21-K/SYXE8, X-HM51-K/SYXE8, X-HM51-S/SYXE8, X-HM51DAB-K/VXE8 and X-HM51-S/AXQ5 are constructed the
same except for the following:
Symbol and X-HM21-K X-HM51-K X-HM51-S X-HM51DAB-K X-HM51-S
Mark No. Remarks
Description /SYXE8 /SYXE8 /SYXE8 /VXE8 /AXQ5
C PCB ASSEMBLIES
P41-1 SERVICE CONTROL PCB ABE205690-0001 ABE205910-0001 ABE205910-0001 ABE205910-0001 ABE205910-0001

> P41-2 SERVICE POWER PCB ABE205720-0001 ABE205820-0001 ABE205820-0001 ABE205820-0001 ABE205820-0001

P41-3 SERVICE MAIN PCB ABE20586A-0002 ABE20584A-0001 ABE20584A-0001 ABE20584A-0002 ABE20584A-0001

PACKING SECTION
P39-1 iPad Stand ASW200111-0001 ABN200111-0001 ABN200111-0001 ABN200111-0001 ABN200111-0001
P39-2 Speaker Assy ANK50HM21-AM01 ESM205001-0603 ESM205001-0603 ESM205001-0603 ESM205001-0601
P39-4 Packing Case ICG200082-0004 ICG200084-0001 ICG200084-0003 ICG200084-0002 ICC200116-0004
P39-5 Polyfoam (Upper) ITF230173-0001 ITF230183-0001 ITF230183-0001 ITF230183-0001 ITF230183-0001
P39-6 Polyfoam (Bottom) ITF231173-0001 ITF231183-0001 ITF231183-0001 ITF231183-0001 ITF231183-0001
D

P39-7 Polyfoam (Middle) ITF232173-0001 Not used Not used Not used Not used
> P39-8 Power Cord VPE003202-0040 VPE003202-0040 VPE003202-0040 VPE00A213-0030 VPE001201-0060
P39-9 AM Antenna Cable VTA100009-0010 VTA100009-0010 VTA100009-0010 Not used VTA100009-0010
P39-11 Remote Control Unit WIR248003-AM03 WIR248003-AM03 WIR248003-AM03 Not used WIR248003-AM03
(AXD7706)
P39-11 Remote Control Unit Not used Not used Not used WIR248003-AM04 Not used
(AXD7707)

P39-12 Operating Instructions YOM200149-0001 Not used Not used Not used Not used
(En/Fr/De/It/Nl/Es/Ru)
Operating Instructions Not used YOM200153-0002 YOM200153-0002 Not used Not used
E (En/Fr/De/It/Nl/Es/Ru)
Operating Instructions Not used Not used Not used YOM200153-0003 Not used
(En)
Operating Instructions Not used Not used Not used Not used YOM200153-0004
(Zhcn)
Speaker Cord Not used ASW502001-0436 ASW502001-0436 ASW502001-0436 ASW502001-0436

Protection Sheet Not used IVA108021-0010 IVA108021-0010 IVA108021-0010 IVA108021-0010 Receiver
Protection Sheet SP Not used IVS510001-0022 IVS510001-0022 IVS510001-0022 IVA508012-0910 Speaker
Protection Paper SP Not used Not used Not used Not used YLB524001-0238 Speaker
Isorater Not used Not used Not used Not used COT130040-0001

EXTERIOR SECTION
F
P41-7 Wire ASSY VFC240212-1900 VFC240210-190R VFC240210-190R VFC240210-190R VFC240210-190R
P41-8 Wire ASSY VFL409202-2800 VWA200269-0001 VWA200269-0001 VWA200269-0001 VWA200269-0001
P41-9 Wire ASSY VFL509202-3200 VFL509244-3400 VFL509244-3400 VFL509244-3400 VFL509244-3400

2 X-HM51-K
1 2 3 4
5 6 7 8

Symbol and X-HM21-K X-HM51-K X-HM51-S X-HM51DAB-K X-HM51-S
Mark No. Remarks
Description /SYXE8 /SYXE8 /SYXE8 /VXE8 /AXQ5
P41-10 Front Panel Assy ABN200120-0004 ABN200138-0001 ABN200138-0003 ABN200138-0002 ABN200138-0003
P41-11 CD Door BPD200102-0001 BPD200102-0001 BPD200102-0002 BPD200102-0001 BPD200102-0002
A

P41-12 Loader Bracket L BPH200116-0001 BPH200116-1002 BPH200116-1002 BPH200116-1002 BPH200116-1002
P41-14 Loader Bracket R BPH210116-0001 BPH210116-1002 BPH210116-1002 BPH210116-1002 BPH210116-1002
P41-15 Loader Cover BPH220116-0001 BPH220116-1002 BPH220116-1002 BPH220116-1002 BPH220116-1002
P41-16 Power Button BPK202032-0001 BPK202032-0001 BPK202032-0003 BPK202032-0001 BPK202032-0003
P41-17 Vol Knob BPK205011-0001 GAL200132-0002 GAL200132-0001 GAL200132-0002 GAL200132-0001

P41-18 Function Button BPK212032-0001 BPK212032-0001 BPK212032-0003 BPK212032-0001 BPK212032-0003
P41-20 Top Cover GSE200301-0001 GSE200301-0001 GSE200301-0002 GSE200301-0001 GSE200301-0002
P41-22 Back Plate GSE200303-0003 GSE200303-5019 GSE200303-5020 GSE200303-6024 GSE200303-5022
P41-24 Screw 3X8 C HSD053084-4081 HSD053084-4081 HST143084-1080 HSD053084-4081 HST143084-1080
P41-25 Screw 3X8 HSP050054-3080 HST143084-3080 HSP050054-3080 HST143084-3080 HSP050054-3080
B
P41-29 Screw 3X6 C HST053084-4060 HST053084-4060 HST143084-1060 HST053084-4060 HST143084-1060
Foot Not used BPE200013-0001 BPE200013-0001 BPE200013-0001 BPE200013-0001 No. 34
Vol Knob Bracket Not used BPH200125-0001 BPH200125-0001 BPH200125-0001 BPH200125-0001 No. 35
Pet Sheet Not used BFP226010-0001 BFP226010-0001 BFP226010-0001 BFP226010-0001 No. 36
Wire Assy Not used VWA200268-0001 VWA200268-0001 VWA200268-0001 VWA200268-0001 No. 37
Notes : The numbers in the remarks column correspond to the numbers on the "EXPLODED VIEWS".




XC-HM51
X-HM21-K/SYXE8, XC-HM51-K/SYXE8, XC-HM51-S/SYXE8 and XC-HM51DAB-K/VXE8 are constructed the same except for
C
the following:
Symbol and X-HM21-K XC-HM51-K XC-HM51-S XC-HM51DAB-K
Mark No. Remarks
Description /SYXE8 /SYXE8 /SYXE8 /VXE8
PCB ASSEMBLIES
P41-1 SERVICE CONTROL PCB ABE205690-0001 ABE205910-0001 ABE205910-0001 ABE205910-0001

P41-2 SERVICE POWER PCB ABE205720-0001 ABE205820-0001 ABE205820-0001 ABE205820-0001

P41-3 SERVICE MAIN PCB ABE20586A-0002 ABE20594A-0001 ABE20594A-0001 ABE20594A-0002

PACKING SECTION
P39-1 iPad Stand ASW200111-0001 ABN200111-0001 ABN200111-0001 ABN200111-0001 D
P39-2 Speaker Assy ANK50HM21-AM01 Not used Not used Not used
P39-4 Packing Case ICG200082-0004 ICC200121-0001 ICC200121-0002 ICC200121-0003
P39-5 Polyfoam (Upper) ITF230173-0001 ITF230186-0001 ITF230186-0001 ITF230186-0001
P39-6 Polyfoam (Bottom) ITF231173-0001 ITF231186-0001 ITF231186-0001 ITF231186-0001

P39-7 Polyfoam (Middle) ITF232173-0001 Not used Not used Not used
> P39-8 Power Cord VPE003202-0040 VPE003202-0040 VPE003202-0040 VPE00A213-0030
P39-9 AM Antenna Cable VTA100009-0010 VTA100009-0010 VTA100009-0010 Not used
P39-11 Remote Control Unit WIR248003-AM03 WIR248003-AM03 WIR248003-AM03 Not used
(AXD7706)
P39-11 Remote Control Unit Not used Not used Not used WIR248003-AM04
(AXD7707)
E

P39-12 Operating Instructions YOM200149-0001 Not used Not used Not used
(En/Fr/De/It/Nl/Es/Ru)
Operating Instructions Not used YOM200153-0011 YOM200153-0011 Not used
(En/Fr/De/It/Nl/Es/Ru)
Operating Instructions Not used Not used Not used YOM200153-0012
(En)
Protection Sheet Not used IVA108021-0010 IVA108021-0010 IVA108021-0010 Receiver

EXTERIOR SECTION
P41-7 Wire ASSY VFC240212-1900 VFC240210-190R VFC240210-190R VFC240210-190R
P41-8 Wire ASSY VFL409202-2800 VWA200269-0001 VWA200269-0001 VWA200269-0001
P41-9 Wire ASSY VFL509202-3200 VFL509244-3400 VFL509244-3400 VFL509244-3400 F
P41-10 Front Panel Assy ABN200120-0004 ABN200138-0007 ABN200138-0008 ABN200138-0009
P41-11 CD Door BPD200102-0001 BPD200102-0001 BPD200102-0002 BPD200102-0001


X-HM51-K 3
5 6 7 8
1 2 3 4

Symbol and X-HM21-K XC-HM51-K XC-HM51-S XC-HM51DAB-K
Mark No. Remarks
Description /SYXE8 /SYXE8 /SYXE8 /VXE8
P41-12 Loader Bracket L BPH200116-0001 BPH200116-1002 BPH200116-1002 BPH200116-1002
P41-14 Loader Bracket R BPH210116-0001 BPH210116-1002 BPH210116-1002 BPH210116-1002
A
P41-15 Loader Cover BPH220116-0001 BPH220116-1002 BPH220116-1002 BPH220116-1002
P41-16 Power Button BPK202032-0001 BPK202032-0001 BPK202032-0003 BPK202032-0001
P41-17 Vol Knob BPK205011-0001 GAL200132-0002 GAL200132-0001 GAL200132-0002

P41-18 Function Button BPK212032-0001 BPK212032-0001 BPK212032-0003 BPK212032-0001
P41-20 Top Cover GSE200301-0001 GSE200301-0001 GSE200301-0002 GSE200301-0001
P41-22 Back Plate GSE200303-0003 GSE200303-5025 GSE200303-5026 GSE200303-6027
P41-24 Screw 3X8 C HSD053084-4081 HSD053084-4081 HST143084-1080 HSD053084-4081
P41-25 Screw 3X8 HSP050054-3080 HST143084-3080 HSP050054-3080 HST143084-3080

P41-29 Screw 3X6 C HST053084-4060 HST053084-4060 HST143084-1060 HST053084-4060
Foot Not used BPE200013-0001 BPE200013-0001 BPE200013-0001 No. 34
B Vol Knob Bracket Not used BPH200125-0001 BPH200125-0001 BPH200125-0001 No. 35
Pet Sheet Not used BFP226010-0001 BFP226010-0001 BFP226010-0001 No. 36
Wire Assy Not used VWA200268-0001 VWA200268-0001 VWA200268-0001 No. 37
Notes : The numbers in the remarks column correspond to the numbers on the "EXPLODED VIEWS".



EXPLODED VIEWS
EXTERIOR SECTION



C




AF
D


CF




E




BF [Caution When Repairing the Foot]
When repair this product, it can be opened directly
and need not take down the fixed screws in the
unit bottom plastic feet.
Please don't change these screws.

F




4 X-HM51-K
1 2 3 4
5 6 7 8

2. DIAGNOSIS
2.1 TROUBLESHOOTING