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ORDER NO.
RRV4313
A-20

INTEGRATED AMPLIFIER


A-20
A-10-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model Type Power Requirement Remarks

A-20 FXE AC 110 V

A-10-K DLPWXE AC 220 V to 240 V




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

A-30-K/PWSYXE8 RRV4297 A-20/CUXE, A-10-K/SYXE8



For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.
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
A-20/FXE
A-20/CUXE and A-20/FXE are constructed the same except for the following:
Mark No. Symbol and Description A-20/CUXE A-20/FXE Remarks
PACKING SECTION
P33-5 Packing Case CPG1A961T CPG1A961S
C
P33-9 Operating Instructions (En/Frca) CQX1A1644Z Not used
P33-9 Operating Instructions (Zhtw) Not used CQX1A1663Z


EXTERIOR SECTION (A-30/A-20)
P35-28 Rear Panel CKF4A452W CKF4A452V
> P35-31 Power Transformer CLT5R043ZU CLT5R043ZL
> P35-38 Power Cord CJA523FBYA CJA2L127Z


A-10-K/DLPWXE
A-10-K/SYXE8 and A-10-K/DLPWXE are constructed the same except for the following:
D
Mark No. Symbol and Description A-10-K/SYXE8 A-10-K/DLPWXE Remarks
PCB ASSEMBLIES
NSP 1..FRONT ASSY COP12422D COP12422H
P39-2 2..FRONT ASSY AZW7485 AZW7486


PACKING SECTION
P33-1 Warranty Card SY CQE1A541Z Not used
P33-5 Packing Case CPG1A961X CPG1A961Q
P33-9 Operating Instructions (En/Fr/De/It/Nl/Es/Ru) CQX1A1640Y Not used
P33-9 Operating Instructions (En) Not used CQX1A1641Z
E
EXTERIOR SECTION (A-10)
P39-27 Rear Panel CKF3A452U CKF3A452S
> P39-30 Power Transformer CLT5R043ZE CLT5R043ZO
Notes : For PCB ASSEMBLIES, Refer to "CONTRAST OF PCB ASSEMBLIES".




CONTRAST OF PCB ASSEMBLIES

BF FRONT ASSY
F Although AZW7485 and AZW7486 are different in part number and they are NOT COMPATIBLE, they consist of the same service
components.



2 A-20
1 2 3 4