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P-3000R
Ref. No. 4256
012011
SERVICE MANUAL
PREAMPLIFIER
MODEL P-3000R(B)/(S)
Black and Silver models RC-797S
B MDC 120V AC, 60Hz
B MPP, S MPP 230V AC, 50Hz
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.
P-3000R
A061 A031
EXPLODED VIEWS-1 x 2 pcs. A203
A201 A200
A160 A029 x 8 pcs.
P301A A003
x 2 pcs. A161
U0014
U0013
A056 A013
A008 x 2 pcs. x 24 pcs. U0018
x 2 pcs. A025
A012 A021 x 3 pcs.
Refer to EXPLODED VIEWS-2
P9901 U0023 A134
U0010 x 12 pcs.
A014
x 2 pcs. A124 U0011
P1006D A124
A007 U0015 x 3 pcs.
x 4 pcs. A142
U0030
A141 A124 A119
A006 x 11 pcs.
A021
P9303A A025 A117 A140
A062 x 3 pcs. U0017 A106
A027 A032 A030 U0012 A131 A102 A126
x 2 pcs. x 8 pcs. x 2 pcs. A121
A025 A134 A310
U0020 A026 x 2 pcs. A113
A011 x 3 pcs. U0016 A141 A115
x 2 pcs. A125 A110 A100
x 6 pcs. L=20mm x 3 pcs.
A025 A025 A033 A121 A122
x 4 pcs. A120 A103
x 4 pcs. x 3 pcs. x 2pcs.
U0022 A125 A112
T901 x 3 pcs.
A021 A132 A103
A020 T902
A124 A121
A060 A016 x 4 pcs. A113 A105 A127
A118 A110 A122
U0025 A010 A133 A104 x 2pcs.
U0024 x 2 pcs.
A005 A116
U0021 A009 A001
A307 x 2 pcs.
A063
A004
A150 x 4 pcs.
A002
A152 A015
x 4 pcs.
A055
P-3000R
A154 x 2 pcs.
x 4 pcs.
A151 A028
A153 x 2 pcs.
U0024, U0025 and U0021 are connected by soldering. x 8 pcs. x 4 pcs.
P-3000R
EXPLODED VIEWS-2
Explanation of U0030 BAETC-1031
1.Necessity
BCASP-0568
Version of U0030 25140568A
BCASP-0568 BAETC-1031
In case A ---> Necessary. Version
In case B ---> Unnecessary.
U0010
BAASP-0568
BAETC-1031 is Muting circuit to reduce the noise generated when power on/off.
BAETC-1031 has been abolished on the way of mass production.
And, the function has been integrated into BAASP-0568.
Refer to SCHEMATIC DIAGRAMS-1A and 1B.
U0030
BAETC-1031
2.Connection
Soldering Fixed by bond U0010
BAASP-0568
--- Bottom view ---
Detail
R646
R640
R906
R517
R515
+15V
+5V
R518
R516
0
MUTE
GND
Q502
BCETC-1031
25141031
U0030
BAETC-1031
P-3000R
Front
P-3000R P-3000R
A B C D E F G H I J K
SCHEMATIC DIAGRAMS-1A
[e.g.]
AUDIO SECTION (PC board Version A) BAASP-0568 To BAAF-0568
BCASP-0568
See SD-3 : B2
In the application of this Shematic Diagrams, 25140568A Refer to area for the difference point in the Location (coordinates) X = 1 to 8, X = A to K
1 the PC board BCSP-0568 is Version A. Shematic Diagram-1A and -1B. SCHEMATIC DIGRAMS-3
Refer to right figure. Version Front
R551
U0010 BAASP-0568 R451 +15V 2.2(1/4W)
8
UDZS5.6B
2.2(1/4W)
2SA1312-GR
C439 R459
R567
NE5532APSR
Q451 3.3K
+
3 Discrete
470/25
47/25
+ C447
D401
C357
C459
+
+
C443 470/35
47/25 1K 1 Buffer
Q411A +
R435 Discrete
R425
220K
2 47/25 -15V
Phono Buffer
R543
22K
2.2(1/4W) R555
4
UDZS5.6B
470/35
2SA1312-GR
R455 2.2(1/4W)
R417
R559
Q467
C355
Q315 3.3K
22K
470/25
Equalizer
+
VR
47/25
D301
33K
R575
C347
C359
2SC2229-Y
+
220
+
+15V
To BAAF-0570 To BAAF-0570
R471 R431
R437
3.3K
-15V C427
R453
R591