PIONEER XRA370 Service Manual

Cover page of PIONEER XRA370 Service Manual

Service Manual for PIONEER XRA370, downloadable as a PDF file.

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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 1999
RRV2215
T ­ ZZK SEPT. 1999 Printed in Japan
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
Model
Power Requirement
The voltage can be converted by
XR-A670
XR-A370
the following method.
DBDXJ
AC110-127V/220-230V/240V
With the voltage selector
DXJN/NC
AC110-127V/220-230V/240V
With the voltage selector
YPWXJ
AC240V
­­­­­­­
Model No.
Order No.
Remarks
XR-A670/KUCXJ
RRV2188
¶ This service manual should be used together with the following manual(s):
STEREO CD CASSETTE DECK RECEIVER
XR-A670
XR-A370
CONTENTS
1. SAFETY INFORMATION ...................................... 2
2. CONTRAST OF MISCELLANEOUS PARTS ........ 3
3. SCHEMATIC DIAGRAM ....................................... 6
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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 1999
RRV2215
T ­ ZZK SEPT. 1999 Printed in Japan
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
Model
Power Requirement
The voltage can be converted by
XR-A670
XR-A370
the following method.
DBDXJ
AC110-127V/220-230V/240V
With the voltage selector
DXJN/NC
AC110-127V/220-230V/240V
With the voltage selector
YPWXJ
AC240V
­­­­­­­
Model No.
Order No.
Remarks
XR-A670/KUCXJ
RRV2188
¶ This service manual should be used together with the following manual(s):
STEREO CD CASSETTE DECK RECEIVER
XR-A670
XR-A370
CONTENTS
1. SAFETY INFORMATION ...................................... 2
2. CONTRAST OF MISCELLANEOUS PARTS ........ 3
3. SCHEMATIC DIAGRAM ....................................... 6
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XR-A670, XR-A370
2
1. SAFETY INFORMATION
LABEL CHECK (for YPWXJ type)
Additional Laser Caution
1. Laser Interlock Mechanism
The position of the switch (S9501) for detecting loading
state is detected by the system microprocessor, and
the design prevents laser diode oscillation when the
switch (S9501) is pressed physically.
Thus, the interlock will no longer function if the switch (S9501)
is released physically and deliberatery.
The interlock also does not function in the test mode
.
Laser diode oscillation will continue, if pin 1 of
CXA1821M (IC8101) on the CD ASSY mounted on the
$M Loading Mechanism assembly is connected to GND,
or else the terminals of Q8101 are shorted to each other
(fault condition).
2. When the cover is opened, close viewing of the
objective lens with the naked eye will cause exposure
to a Class 1 laser beam.
: Refer to page 66 on the service manual RRV2188.
IMPORTANT
THIS PIONEER APPARATUS CONTAINS
LASER OF CLASS 1.
SERVICING OPERATION OF THE APPARATUS
SHOULD BE DONE BY A SPECIALLY
INSTRUCTED PERSON.
LASER DIODE CHARACTERISTICS
MAXIMUM OUTPUT POWER: 5 mW
WAVELENGTH: 780 - 785 nm
Printed on the Rear Panel
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XR-A670, XR-A370
3
2. CONTRAST OF MISCELLANEOUS PARTS
Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
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.
Reference Nos. indicate the pages and Nos. in the service manual for the base model.
NOTES:
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%).
Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).
561
473
R50
1R0
5621
560
47k
0.5
1
RD1/4PU
J
RD1/4PU
J
RN2H
K
RS1P
K
56 x 101
47 x 103
R50
1R0
561
473
5.62k
RN1/4PC
F
562 x 101
5621
CONTRAST TABLE for XR-A670
Part No.
Ref. No. Mark
Symbol and Description
XR-A670
XR-A670
XR-A670
XR-A670
Remarks
/KUCXJ
/DBDXJ
/DXJN/NC
/YPWXJ
PCB ASSEMBLIES
COMPLEX ASSY
XWM3113
XWM3111
XWM3111
XWM3112
P6- 2
PRIMARY ASSY
XWZ3224
XWZ3222
XWZ3222
XWZ3223
P6- 3
SUB TRANS ASSY
XWZ3227
XWZ3226
XWZ3226
XWZ3226
P9- 1
DISPLAY ASSY
XWZ3214
XWZ3212
XWZ3212
XWZ3212
PACKING SECTION
P4- 1
Power Cord
ADG7022
ADG1158
ADG1154
ADG1160
P4- 6
NSP
Dry Cell Battery (R6P, AA)
VEM-013
Not used
VEM-013
Not used
P4-10
Packing Case
XHD3091
XHD3093
XHD3095
XHD3092
P4-11
NSP
Warranty Card
ARY7033
Not used
Not used
ARY7027
P4-13
Operating Instructions (English/French)
XRE3024
Not used
Not used
XRE3024
P4-18
NSP
Polyethylene Bag
Not used
Not used
Not used
AHG7033
For Power Cord
Operating Instructions
Not used
XRE3025
Not used
Not used
(English/Chinese/Spanish)
Operating Instructions (Thai)
Not used
Not used
XRC3017
Not used
Power-cord Plug Conversion Adapter
Not used
XKM3002
Not used
Not used
Accessories
EXTERIOR SECTION
P6- 7
Power Transformer (AC120V)
XTS3032
Not used
Not used
Not used
P6- 7
Power Transformer
Not used
XTS3031
XTS3031
XTS3031
(AC110-127V/220-230V/240V)
P6- 8
Fuse (FU1 : 6.3A)
REK1085
Not used
Not used
Not used
P6- 8
Fuse (FU1 : T5A)
Not used
AEK1061
AEK1061
AEK1061
P6- 9
NSP
Fuse Caution Label
XAX3157
Not used
Not used
Not used
P6-20
Rear Panel
XNC3040
XNC3042
XNC3042
XNC3041
P6-35
NSP
Fuse Card
AAX2374
AAX7098
AAX7098
AAX7098
P6-39
Cushion Leg B
XEB3009
XEB3009
Not used
XEB3009
P6-43
NSP
Getter
XAX3143
XAX3145
XAX3145
XAX3144
P6-44
Caution Label
Not used
Not used
Not used
PRW1018
P6-45
65 Label
ORW1069
Not used
Not used
Not used
Fuse (FU2, FU3 : T3.15A)
Not used
AEK1059
AEK1059
Not used
*1
Fuse Card (For FU2, FU3)
Not used
AAX7493
AAX7493
Not used
*2
NSP
Name Label
Not used
Not used
XAL3035
Not used
*3
FRONT PANEL SECTION
P9-17
Display Panel
XAK3113
XAK3114
XAK3114
XAK3114
P9-19
FL Cover
XAK3088
XAK3124
XAK3124
XAK3124
XR-A670/DBDXJ, DXJN/NC, YPWXJ and XR-A670/KUCXJ are constructed the same except for the following :
Notes : For PCB ASSEMBLIES, Refer to "CONTRAST OF PCB ASSEMBLIES" and "3. SCHEMATIC DIAGRAM".
*1 Refer to "3. SCHEMATIC DIAGRAM".
*2 Stick Fuse Card on PRIMARY ASSY.
*3 Stick Name Label on Rear Panel.
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XR-A670, XR-A370
4
Part No.
Ref. No. Mark
Symbol and Description
XR-A370
XR-A370
XR-A370
XR-A370
Remarks
/KUCXJ
/DBDXJ
/DXJN/NC
/YPWXJ
PCB ASSEMBLIES
COMPLEX ASSY
XWM3108
XWM3106
XWM3106
XWM3107
P6- 2
PRIMARY ASSY
XWZ3224
XWZ3222
XWZ3222
XWZ3223
P6- 3
SUB TRANS ASSY
XWZ3227
XWZ3226
XWZ3226
XWZ3226
P9- 1
DISPLAY ASSY
XWZ3209
XWZ3207
XWZ3207
XWZ3207
PACKING SECTION
P4- 1
Power Cord
ADG7022
ADG1158
ADG1154
ADG1160
P4- 6
NSP
Dry Cell Battery (R6P, AA)
VEM-013
Not used
VEM-013
Not used
P4-10
Packing Case
XHD3082
XHD3086
XHD3087
XHD3084
P4-11
NSP
Warranty Card
ARY7033
Not used
Not used
ARY7027
P4-13
Operating Instructions (English/French)
XRE3024
Not used
Not used
XRE3024
P4-18
NSP
Polyethylene Bag
Not used
Not used
Not used
AHG7033
For Power Cord
Operating Instructions
Not used
XRE3025
Not used
Not used
(English/Chinese/Spanish)
Operating Instructions (Thai)
Not used
Not used
XRC3017
Not used
Power-cord Plug Conversion Adapter
Not used
XKM3002
Not used
Not used
Accessories
EXTERIOR SECTION
P6- 7
Power Transformer (AC120V)
XTS3017
Not used
Not used
Not used
P6- 7
Power Transformer
Not used
XTS3015
XTS3015
XTS3015
(AC110-127V/220-230V/240V)
P6- 8
Fuse (FU1 : 5A)
REK1083
Not used
Not used
Not used
P6- 8
Fuse (FU1 : T4A)
Not used
AEK1060
AEK1060
AEK1060
P6- 9
NSP
Fuse Caution Label
XAX3122
Not used
Not used
Not used
P6-20
Rear Panel
XNC3035
XNC3037
XNC3037
XNC3036
P6-35
NSP
Fuse Card
AAX7097
Not used
Not used
Not used
P6-39
Cushion Leg B
XEB3009
XEB3009
Not used
XEB3009
P6-43
NSP
Getter
XAX3138
XAX3140
XAX3140
XAX3139
P6-44
Caution Label
Not used
Not used
Not used
PRW1018
P6-45
65 Label
ORW1069
Not used
Not used
Not used
Fuse (FU2, FU3 : T2A)
Not used
AEK1057
AEK1057
Not used
*1
NSP
Name Label
Not used
Not used
XAL3030
Not used
*2
FRONT PANEL SECTION
P9-17
Display Panel
XAK3108
XAK3109
XAK3109
XAK3012
P9-19
FL Cover
XAK3088
XAK3124
XAK3124
XAK3124
P9-24
POWER Button
XZN3085
XZN3086
XZN3086
XZN3086
P9-30
Sub Panel
XZN3089
XZN3091
XZN3091
XZN3091
XR-A370/DBDXJ, DXJN/NC, YPWXJ and XR-A370/KUCXJ are constructed the same except for the following :
Notes : For PCB ASSEMBLIES, Refer to "CONTRAST OF PCB ASSEMBLIES" and "3. SCHEMATIC DIAGRAM".
*1 Refer to "3. SCHEMATIC DIAGRAM".
*2 Stick Name Label on Rear Panel.
CONTRAST TABLE for XR-A370
background image
XR-A670, XR-A370
5
CONTRAST OF PCB ASSEMBLIES
XWZ3212 and XWZ3214 are constructed the same except for the following :
PRIMARY ASSY
F
H
Mark
Symbol and Description
Part No.
Remarks
XWZ3214
XWZ3212
D5597
1SS355
Not used
XWZ3222, XWZ3223 and XWZ3224 are constructed the same except for the following :
SUB TRANS ASSY
F
I
Mark
Symbol and Description
Part No.
Remarks
XWZ3224
XWZ3222
XWZ3223
S1
VOLTAGE SELECTOR
Not used
XKX3001
Not used
H3­H6 FUSE CLIP
Not used
AKR7001
Not used
NSP
Y4
JUMPER WIRE
Not used
XDX3009
XDX3009
NSP
Y5
JUMPER WIRE
XDX3011
XDX3011
Not used
XWZ3226 and XWZ3227 are constructed the same except for the following :
DISPLAY ASSY
Mark
Symbol and Description
Part No.
Remarks
XWZ3227
XWZ3226
R1 (2.2M
/ 1/2)
RCN1080
Not used
AN1
1P AC INLET
XKP3042
XKP3041
XWZ3207 and XWZ3209 are constructed the same except for the following :
Mark
Symbol and Description
Part No.
Remarks
XWZ3209
XWZ3207
D5597
1SS355
Not used
J

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