Sanyo DCP3001SEV User manual

SANYO
STEREO POWER AMPLIFIER
DCP 3001 sev
SERVICE MANUAL

SPECIFICATIONS
Continuous Power Output:
Amplifier load at 4 ohms 300W/300W:
8 ohms 180W/180W
(1. kHz, each channel driven)
Amplifier load at 4 ohms 250W/250W
~ 8 ohms 150W/150W
(1 kHz, both channel driven)
Total Harmonic Distortion: Less than 0.1% (at rated power)
Less than 0.02% (at power 1W/ch)
intermodulation distortion: Less than 0.2% (at rated power) .
Less than 0.5% (at power 1W/ch)
Power Bandwidth: 10 - 50 kHz (at 0.1% T.H.D.)
(IHF both channel driven)
Frequency Response:
(1W/ch,
+0
dB
—
-1
dB)
15
-
100
kHz
input Sensitivity/impedance: 1.2V/30kohms
Output Terminal/Matching Imp.
Speaker A, B, C, A+C 4 to 16 ohms
Damping Factor: More than 80 (1: kHz, 8 ohms)
Signal
to
Noise
Ratio:
More
than
105
dB
(IHF,
short
circuit A network)
Residual Hum and Noise: Less than 0.2 mV (8 ohms)
Srew Rate: 60 V/us
Subsonic Filter: a 16 Hz (12 dB/oct.)
MISCHELLANEOUS
Power
requirements:
110,
220V,
50/60
Hz
AC Outlets: Switchable: One 150 Watts
' | Unswitchable: One 200 Watts
Dimensions: 510W x 510D x 290H
ADJUSTMENT OF THE MAIN AMP P.C. BOARD
BEFORE ADJUSTMENT
1. Pull out the PRE OUT/MAIN IN connector.
2. After the power switch is turned ON, wait a few minutes before adjustment, to be sure of the most stable operation.
3. Connect dummy load resistors (8 {2) to the speaker terminals.
4. Tool to be provided.
Electronic Voltmeter, or DC V.T.V.M. or Circuit Tester (Input impedance: More than 30 k{2/V)
~ (A) MID-POINT POTENTIAL ADJUSTMENT > aes
Set the voltage between the speaker terminal and ground (Chassis) to OV + 0.01V with (VR 01)
(B) IDLING CURRENT ADJUSTMENT
Turn the (VR 02) so that the idling current may become 100 mA....-... .Measure the voltage of the both sides of the
(R13, R14) resistor (0.1 82) and set the (VR 02) so that the value may become 0.01V + 0.001V.
Note : Polarity............4. Emitter of the (0,01 ~ 06)..... (+)
Mid-point...........00 eee eee (-)
(C) Repeat seps A B no further improvement is possible. |
Note : a. Turn the semi-fixed variabie resistor siowiy during adjustme:
b. Be careful of the polarity of each measurement point.
ee, em

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EXPLODED
VIEW
(CHASSIS)
cD
S35

PARTS LIST
PACKING
131
6
1139
53004
|
Box
corrugate-exp
50
4
2229
24480
|
Variable
resistor
1
131
6
2119
01361 |
Bag
polyethylene-exp
C51
4
2239 20742
|
Filter
condenser 4000MF
7OWV C10}
$1
131
6
3009
19850
|
Pad
C51
4
2239
20743
|
Filter
condenser
4Q00MF
7OWV
C11}
=
1
131
6
3009 19930
|
Pad,
Right,
Left
52
4
2239
20750
|
Electrolytic
cap
2200MF
70V
2
131
6 4559
10700
| Manufacturing
NO
91
42319
21530
|
Switch
1
*
Hi
oes et
1
|
Switch power
1
2319
33820
|
Rotary SP
1
APPEARANCE
55
4
2329 20060
|
Relay
1
1
131
0
1001 30800
|
Knob assy, Meter range
4
=
:
pte aia ad ee
2
131
21105
14901
|
Plate
bottom
1]
58
4
2359
21360
|
8P
socket
Relay
1
i
3
|
137
21106 10702
| Plate top
1)
162
4
2359 22090
|
Connector
10P
5
4
;
13121116
13200
| Frame,
Meter
range,
SP
out
8
63
4
2359
22100
| Connector
14P
1
5
| 13121116
13400
|
Frame,
Input terminal
1
64
4
2359 22130
|
RCA
pinjack
2P
2
6
| 13121116
13500
|
Frame,
Power
SW,
SSF
filter
21
|é5
42359
22160
|
Jack
SP
4
7
|
13) 2
1116 13600
| Frame, Input AB SW
1)
J66
4
2359 22170
|
Socket transistor
12
8
|
131
21116
13800
|
Frame,
Power
limiter
SW
1
93
4
2379 20141
|
Terminal
1-2P
4
9 |
131
2
1209
31001 |
Panel
control
1
4
2379 20250
|
Terminal
1-1PL,
Relay
earth
1
}11
131 21310 21827
|
Name
plate
1
67
4
2379 21060
|
Terminal
G
1
12
|
131
2
1311
34500
|
Sash
2)
68
4
2379
21420
|
Terminal
lug
6P
8
13
131
2 1410
12800 |
Cover,
Panel
front
1
69
4
2379
21430 |
Terminal
SP
2
14
|
131
21410 13000 |
Cover,
Main
PCB
2
70
4
2439 20590
| Power cord
1
15 |
131
2 1410
13100
|
Cover,
Power
and protector
2
71
4
2519 23292
| Power trans
1
16
131
2
1501
10400
|
Cover,
Power
sign
1
4
2539 20220
|
Choke coil
2
117 |
131
2 1504
10902
|
Plate,
Power
sign
lamp
1
72
45119
20440
|
Meter
VU
2
|
118
|
131
2 1601
33800
|
Knob,
Push SW
8
73
4
6129
20214
|
Pilot
lamp,
80 mA
1
119
bp
2 1601 34100
Knob, Speaker
selector
1 74
46129
20480
|
Led assy
:
2
20
131
2
1601
34200
|
Knob,
Input
level
1
-
.
9
54 131
2 1601 34300
|
Knob’
Input
level
‘
eres
C2DNRM473C
PP CON
0.047MF
-200V
+20%
4
22
|
13121801
13100
|
Leg
4)
{C01
=|
C2EHRM103A-
|
MP
CON
0.01MF
250V
+20%
1
23
131
2 3315 10200
|
Panel
side
2 Do2
DCC-10D1-----
Diode
10D1
1
124
|
131
24201 14600
|
Screw,
Rotary
knob
2]
75 DCC-6B40-----
| Diode
bridge
1]
be
Hi
tae
eee
eae
|
Se
ae
23)
120,21
|
R2HDPJ103A
Carbon
10K
ohm
1/2W 45%
2
elt,
Pus
no
0
36
|
131
25205 14500
|
Cushion
5
eee R3HEPKOR1A
Cemen
0.1 ohm
5W
+10%
4
27
|
131
26107
19000
|
Plate
sever
1)
|R17,18
|
RSHEPK100A
Cemen
100hm
5W
+10%
2
28
|
131
26108
11400
|
Cover sever
2} |R19
|
R3REPK102A
Cemen
1K ohm
7W
+10%
1
\ 131
2
7103
19800
|
Label,
Plate
bottom
1
:
78 131
2
3608
11301
|
Cramp
wire
35
131
2
7103
19900
|
Caution
label, Plate
top
1 92
4
2349
29999
|
Fuse
12A
2
79
131
2
5104
10700 |
Spring
plate
2
CHASSIS
80
131
26201
20800 |
Fin,
Power transistor
6
RO1,02,|
RSHEPKR47A
Cemen
0.47
ohm
5W +10%
12}
110-7
131
2 1110
17900
|
Plate
decorate
4
age
ao
ene
Ee
TE
come ee |
+2
Se
a
29
|
131
23101
27600
|
Metal mount,
Heat
sink
2
0708.
30
|
131
23101
28700
|
Metal
mount, Heat
sink
2
09.10
31
131
23101
28701
|
Metal
mount,
Heat
sink
2]
1112
44
|
131
23101 37500 | Metal mount
fuse
holder
1 ,
;
32
131
2
3202 11800
Metal,
Reinf
2 ee
TNN-2SB539--0
Power
transistor
2SB539
6
33 |
131
2
3301
20700
plies
1
11-1
9
34 |
131
2
3301 20800 |
Chassis
1
;
.
35
|
131
23303
13000
|
Pole
4
eur
TNN-2SD287--K
Power transistor
2SD287
6
36
131
2
3305 18000
|
Panel,
front
1]
‘
37
|
13123306
18604
|
Panel,
rear
1
05,06
38
|
131
23310
13100
|
Metal,
Support
2
39
|
131
2
3605 10500
|
Metal mount capacitor
1
40 | 131
23614
16700
|
Metal mount
PCB
1
41
131
2 3614 16701
|
Metal
mount
PCB
1
| 43
131
25107
00100
|
Cramper electrical
part
1
45
|
131
26111 10300]
Bushing
2
46 |
1312611111200]
Bushing
2
47
|
131
26111
14000]
Bushing, Power ind.
1
48
|
131
26111
14300!
Bushing,
AC
cord
1
49
|
131
2
7103
24000
| Label fuse
1
90 |
131
2
7104
00500
|
Plate
pad
switch
1
42 |
131
2
4203
83204
| Washer
3.2x10x0.8
2
ELECTRICAL PARTS
NOTES: 1. Part orders must contain Model Number, Part Number and Description.
2.. Ordering quantity of screws and/or resistors must be multiple of 10 pes.

PARTS LIST
Ref. No. Description
Ref. No. Description
MAIN AMP ASSY MAIN AMP ASSY
R2HDPJ273A
R2HDPJ331A
R2HDPJ332A
+5%
+5%
+5%
27K ohm
330 ohm
3.3K ohm
1/2W
1/2W
1/2W
Carbon
Carbon
Carbon
131 0 4001 61700 | Main Amp PCB assy
4 2229 24470 Variable resistor
‘C1IERB-476A-
CIHATN226A--
‘C1HCDK180SL-
C1HCSK101SL-
C1HCSKS5O0SL-
C1HFRM102A--
C1HFRM104A--
| C1HFRM153A--
CiHFRM402A--
C1HFTK475B--
C1HYSM501R--
C2DNRM103C-
C2DNRM473C--
R2EDPJ682A
R2EDPJ683A
R2HDPJ101A
R2HDPJ102A
R2HDPJ103A
R2HDPJ122A
| R2AHDPJ182A
R2HDPJ220A
R2HDPJ224A
Elect 47MF 25V
Elect 22MF 50V +30%
Ceramic 18PF
Ceramic 100PF
Ceramic 50PF
0.001 MF
0.1MF
0.015MF
0.004MF
4.7MF
Ceramic SOOPF
Mylar
Mylar
Mylar
Mylar
Mylar
50V
50V
50V
50V
50V
50V
50V
50V
50V
+10%
+10%
+10%
+20%
+20%
+20%
+20%
+10%
+20%
PP 0.01MF 200V +20%
PP 0.047MF 200V +20%
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
6.8K ohm
68K ohm
100 ohm
1K ohm
10K ohm
1.2K ohm
1.8K ohm
22 ohm
220K ohm 1/2W
1/4W
1/4W
1/2W
1/2W
45%
45%
+5%
+5%
+5%
+5%
+5%
+5%
+5%
1/2W
1/2W
1/2W
1/2W
ONN ANN WRNNAWNYON Bh s@—|NMNMNY
R2HDPJ471A
R2HDPJ560A
R2HDPJ563A
R2ZHDPJ821A
R3HEPK100A
R3HEPK820A
TMM-2SA726S-F
TMM-2SC1313SF
TNN-2SB536--K
TNN-2SD381--K
TTT-2SA483--0
TTT-2SC783--O
131 2 4208 20910
131 2 6108 11201
131 2 6201 20400
203 5 4600 87550
203 5 6900 40050
203 5 7100 53250
205 5 9040 44210
Carbon 470 ohm
Carbon 56 ohm
Carbon 56K ohm
Carbon 820 ohm
Cemen 100hm 5W
Cemen 820hm 5W
Transistor 2SA726
Transistor 2SC1313
Transistor 2SB536
Transistor 2SD381
Transistor 2SA483
Transistor 2SC783
Transistor spacer
Cover sever
Heat sink
Transistor 2SC875
Transistor 2SD400
Transistor 2SA532E
Diode DS-442
1/2W
1/2W
1/2W
1/2W
+5%
+5%
+5%
+5%
+10%
+10%
AN RKNONOAPNNM | BNNN AY Lh Lh
MAIN
AMP
PCB
ASSY
BOTTOM
VIEW
{ADONPOUR EE MEARNS RR ONEIDA ICE TIS IIE KEN GDRDER IE
- 60V
POWER LIMITER (P)
+ Vcc
POWER TRANSISTOR
280287 — (B)
0.j2
OUTPUT
wl
—Vec
POWER TRANSISTOR
288539 — (B)
EARTH
0.12
= POWER LIMITER (N)
QOl , 02 2S8CI3Z13S F orG
Q03 , 04 2SA726S Fo G
Q05 , 13 2SA532 EorF
Q06 , 12 28C875 EorF
Q07 2SB8536 KorLl
Q08 280361 K or L
Q09 , 15 2SA483 Oory
Qi0o , 14 28c78S Oory
Qil 280400 Dore
Dol , 02 O0S8-442

PARTS LIST
131 0 4001 61800
4 2229 24490
C1CRB-477A--
C1HRB-107A---
C1JRB-477A--
C1VRB-107A--
C2DNRM103C--
DCC-10D2-----
| DJJ-BZ-310--
DJJ-WZ-260---
R2HDPJ103A
R2HDPJ222A
R2HDPJ682A
R3HEPK100A
R3HEPK471A
R3HEPK681A
131 2 4208 20910
131 26108 11201
203 5 4600 87550
203 5 6450 50940
| 203 5 6460 51440
203 5 7100 53250
| Zener Diode BZ-310
203 5 8220 33040
203 5 8410 31540
Power supply PCB assy
Variable resistor
Elect 470MF 16V
Elect 100MF 50V
Elect 470MF 63V
Elect 100MF 35V
PP 0.01MF 200V +20%
Diode 10D2
Zener Diode WZ-260
Carbon 10K ohm 1/2W 25%
Carbon 2.2K ohm 1/2W 15%
Carbon 6.8K ohm 1/2W +5%
Cemen 10 5W +10%
Cemen 470 5W +10%
Cemen 680 5W +10%
Transistor spacer
Cover sever
Transistor 2SC875
Transistor 2SB509
Transistor 2SB 514
Transistor 2SA 532
Transistor 2SD 330
Transistor 2SD315
mo PHN H& BNNNNN=—|
1
a at ot at et ot © A) = AAD AD
‘METER RANG ASSY
131 0 4001 61900
4 2319 33830
C1HFRM104A--
R2EDSJ103A
R2EDSJ104A
R2EDSJ184A
R2EDSJ392A
R2EDSJ473A
202 5 9110 18820
METER
RANG
PCB
ASSY
BOTTOM
VIEW
L CH INPUT
L CH VU METER {
Description
Meter rang PCB assy
Switch push 4key
Mylar 0.1MF 50V +20%
Carbon 10K ohm 1/4W +5%
Carbon 100K ohm 1/4W +5%
Carbon 180K ohm 1/4W +5%
Carbon 3.9K ohm 1/4W +5%
Carbon 47Kohm 1/4W +5%
Diode 1S 188FM
iS188
R CH INPUT
. jr CH VU METER
SW PUSH 4 KEY
4-2319- 338300
POWER
SUPPLY
PCB
ASSY
BOTTOM
VIEW
___
|
DE RASA INK HEE RAEI REDE NAR AE SENS
Sr Or LC SACO se GSC
r Prva tnttcn ta trfern waeetesne TCO meet
+ 30V
+ 60V
CONDENSER (+)
TRANS.
EARTH
-30V
—60V
CONDENSER (—)
TRANS.
2S0315
Q02 2SB509 Oore
Q03 28C875 EorF
Q04 2SA532 EorF
Q05 280330 Dore
Q06 2SB8514 Dore
DO! ~ 04 1002
005 , 06 WZ- 260
007 , 08 BZ- 310

Description Description
Ref. No.
FILTER & LIMITER ASSY
Carbon 39K ohm 1/4W +5%
FILTER & LIMITER ASSY
131 0 4001 62000
4 2319 23800
4 2319 23810
C1ATRM106A--
C1HCSKSOOSL-
C1IHFRJ204A-
Filter and limiter PCB assy R2EDSJ393A
Switch push 3key, Input
Switch push 4key, Power limiter
Tantal 10OMF 10V +20%
Ceramic 50PF 50V +10%
Mylar 0.2MF 50V 15%
R2EDSJ822A Carbon 8.2K ohm 1/4W 145%
TMM-2SA628--E Transistor 2SA628
Transistor 2SA726
Transistor 2SC1313
TMM-2SA726--F
a
TMM-2SC1313-F
C1IHFRM224A--
DJJ-WZ-1 10---
Mylar 0.22MF 50V +20%
Zener
Diode
WZ-110
Transistor
2SC711
Diode DS-442
TMM-2SC711--E
205 5 9040 44210
DJJ-WZ-260--- Zener Diode WZ-260
R2EDSJ1I01A
R2EDSJ102A
R2EDSJi03A
R2EDSJ104A
R2EDSJ152A
| R2ZEDSJ154A
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
100 ohm
1K ohm
10K ohm
100K ohm
1.5K ohm
150K ohm
1/4W
1/4W
1/4W
1/4W
1/4W
1/4W
FILTER
&
LIMITER
PCB
ASSY
BOTTOM
VIEW
R CH L CH
LED -30V LED
L CH
OUTPUT
R CH
+30V OUTPUT —30V
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R25
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sages
sso
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pipet
ees
Beets
s
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paige Si
L CH INPUT A
R CH INPUT A
R CH INPUT B
L CH INPUT B
4-2319- 238000
4-2319-238100
SW PUSH 3KEY
SW PUSH 4KEY
2SA726 (ForG)
2SCiI3ZI3 ( ForG)
aol , 02 2
Q03 ~ 06
07, 08 , It , [2 2sc711 (EorF)
g09, 10 , 13 , 14 2S5A628 (E or F)
DOl~ 04 , 33 ~ 36 WZ~110
005 , 06 , 31, 32 WZ-260
007 ~ 30 DS- 442

|
PARTS LIST___
PROTECTOR ASSY
85 131 0 4001 62100; Protector PCB assy
C10 CIARE-227A-- Elect 220MF 10V
C03,04, | CICRB-476A-- Elect 47MF 16V
05,06
Cos C1ERB-106A-- Elect 10MF 25V
C01,02 | C1HAB-106A-- Elect 10MF 50V
C11,12 | CIHRB-105A- Elect 1MF 50V
C07 C1VRB-107A-- Elect 100MF 35V
Cos C1VRE-226A-- Elect 22MF 35V
DO6 'DCC-10D1----- Diode 10D1
10D17,18 | DJJ-WZ-090--- Zener Diode WZ-090
R05,06 | R2EDSJ101A Carbon 100 ohm = 1/4W
R03,04, | R2ZEDSJ102A Carbon 1K ohm 1/4W
13,14,
60,61,
62,63
R27,28,| RZEDSJ103A Carbon 10K ohm 1/4W
33,34,
37,38,
39,40,
47,48,
49,50,
54,55,
57 :
R15,16 | RAEDSJ2R2A Carbon 2.2 ohm 1/4W
R02 R2EDSJ222A Carbon 2.2K ohm 1/4W
R52 R2EDSJ224A Carbon 220K ohm 1/4W
R17,18,| R2AEDSJ272A Carbon 2.7K ohm 1/4W
19,20,
21,22
R53 R2EDSJ274A Carbon 270K ohm 1/4W
|1RO9,10,] R2ZEDSJ472A Carbon 4.7K ohm 1/4W
11,12,
23,24,
25,26,
35,36,
41,42,
58,59
RO7,08 | R2ZEDSJ562A Carbon 5.6K ohm 1/4W
+5%
+5%
+5%
+5%
+5%
+5%
%
%
+5%
D& - =
ONN-—$"NNM=
15
O) — — AD
R2EDSJ564A
R2HDPJ471A
TMM-2SA628--E
TMM-28C711--E
131 2 4208 20910
203 5 4600 87540
205 5 9040 44210
ACCESSORIES
4 2369 20940
4 2369 20941
131 0 4004 13200
131 6 2119 00250
131 6 2519 01300
131 6 2719 10600
131 6 4119 40202
Carbon 560K ohm 1/4W 15%
_ Carbon 470 ohm = 1/2W +5%
Transistor 2SA628
Transistor 2SC711
Transistor spacer
Transistor 2SC875
Diode DS-442
Plug, Red
Piug, Black
Wire shield assy
Bag polyethylene exp
Bag polyethylene ind
Bag fan
Explanatory booklet
a
Carbon 56K ohm 1/4W +5%

PROTECTOR
PCB
ASSY
BOTTOM
VIEW
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