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CBX-300
SERVICE MANUAL
SERVICE MANUAL
RC-713S
CD TUNER AUDIO SYSTEM
MODEL
CBX-300
120V AC, 60Hz
230V AC, 50Hz
MDC
MPP
Ref. No. 4041
(MDC) 112007
(MPP) 032008
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.


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CBX-300
EXPLODED VIEW
CBX-300
A
1
2
3
4
5
B
C
DE
FG
H
Z09
P11
910
906
904
M08
P03
Z03
908
Z14
E4
E13
E8
E10
Z08
E12
M03
Z05
912
905
M06
P14
Z17
PT801
Z21
P02
Z29
P17
Z21
Z17
M08
916
912
914
913
x2
x4
x9
x3
x4
905
Z14
P13
Z09
Z16
Z11
Z10
Z15
E6
Z08
Z24
Z18
Z19
Z23
904
907
x4
x2
M01
Z06
Z07
Z02
Z13
Z01
P10
P05
P06
P01
E5
903
Z12
Z22
Z26
Z25
Z28
Z27
P08
Z23
P16
Z24
905
903
P07
P09
E1
907
902
915
908
905
907
911
Z20
Z04
P15
E11
903
902
901
P12
M04
M05
FL701
E3
E2
M03
M07
M02
Z15
P04
904
903
904
908
902
909
903
x3
x1
x2
x4
x5
x5
x2
x2
x4
x4
x2
x11
x2
x2
x2
x2
x4
x4
x7
x4
x9
x2
x2
x2
x3
x2
x2
x6
x4
x14
x2
x4
x2
x2
x8
x2
x2
x2
x4
x2
x5
x4
x2
x3
P01AS
P08AS
PT801AS
P03AS
P02AS
E1AS
<Note>
E6 : with P12 and FL701
<Notes>
P07 : with Z22
E11 : with Z19
<Note>
E2 : with M02 and M07
<Note>
As shown below, for certain parts, surrounding parts will be supplied together.


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CBX-300
EXPLODED VIEW
CBX-300
A
1
2
3
4
5
B
C
DE
FG
H
Z09
P11
910
906
904
M08
P03
Z03
908
Z14
E4
E13
E8
E10
Z08
E12
M03
Z05
912
905
M06
P14
Z17
PT801
Z21
P02
Z29
P17
Z21
Z17
M08
916
912
914
913
x2
x4
x9
x3
x4
905
Z14
P13
Z09
Z16
Z11
Z10
Z15
E6
Z08
Z24
Z18
Z19
Z23
904
907
x4
x2
M01
Z06
Z07
Z02
Z13
Z01
P10
P05
P06
P01
E5
903
Z12
Z22
Z26
Z25
Z28
Z27
P08
Z23
P16
Z24
905
903
P07
P09
E1
907
902
915
908
905
907
911
Z20
Z04
P15
E11
903
902
901
P12
M04
M05
FL701
E3
E2
M03
M07
M02
Z15
P04
904
903
904
908
902
909
903
x3
x1
x2
x4
x5
x5
x2
x2
x4
x4
x2
x11
x2
x2
x2
x2
x4
x4
x7
x4
x9
x2
x2
x2
x3
x2
x2
x6
x4
x14
x2
x4
x2
x2
x8
x2
x2
x2
x4
x2
x5
x4
x2
x3
P01AS
P08AS
PT801AS
P03AS
P02AS
E1AS
<Note>
E6 : with P12 and FL701
<Notes>
P07 : with Z22
E11 : with Z19
<Note>
E2 : with M02 and M07
<Note>
As shown below, for certain parts, surrounding parts will be supplied together.


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CBX-300
EXPLODED VIEW OF MECHANISM
A
1
2
3
4
5
BCD
0001
0002
0003
x 4
0004
x 1
<Note>
Insulator x 4 =
Color : Blue (For CBX-100/-300) --- OK
Color : Gray (Other models) --- NG
Insulator x 4


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CBX-300
SCHEMATIC DIAGRAMS-1
AMPLIFIER SECTION
CBX-300
A
1
2
3
4
5
B
C
DE
FG
H