12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
PSR-1500/PSR-3000
PSR-1500/PSR-3000
PSR-1500/PSR-3000
PSR-1500/PSR-3000 OVERALL CIRCUIT DIAGRAM (AM, HP, SW, VR)
< Page.2 >
WOOFERS
TWEETERS
L
R
L
R
28CC1-8831548-1
2
6
1
1
2
9
3
9
4
1
5
4
to DAC1A-CN601
<Page.3 P-2>
to INV-CN502
<Page.8 E-11>
PSR-1500: to DM 2/2-CN16 <Page.5 P-7>
PSR-3000: to DM2-E 2/2-CN13 <Page.7 B-9>
PSR-1500: to DM 2/2-CN15 <Page.5 P-6>
PSR-3000: to DM2-E 2/2-CN12 <Page.7 B-9>
PSR-1500: not installed
PSR-3000: to DAC1A-CN701
<Page.3 P-5>
STANDBY/ON
Power Supply
DC IN 16V
PSR-3000 only
INPUT
VOLUME
MIC AMP
MIC / LINE
MASTER
VOLUME
MIC/LINE IN
150‰~600‰
R
L/L+R
LINE Buffer AMP (FIX)
0dB
LINE Buffer AMP (Variable)
60dB
AUX IN
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
Power AMP 0.65W 2ch
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
POWER AMP 7W 2ch
POWER AMP 17W
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
REG12V
DC-DC CONVERTER
OP AMP
28CC1-8831548-1
2
: Ceramic Capacitor
: Mylar Capacitor
R
L
AUX OUT
(LEVEL FIXED)
R
L/L+R
OUTPUT
PHONES
PSR-1500
Equalizer value
PSR-3000
PSR-1500 PSR-3000
PSR-1500 PSR-3000
PSR-1500 PSR-3000
PSR-1500
PSR-3000
NJM7812FA (XJ608A00)
REG12V
AM: IC92
1
2
3
1: OUTPUT
2: COMMON
3: INPUT
DIODE
AM: D90
S3V20 (VR313500)
1: ANODE
2: CATHODE
2
1
1SS355 TE-17 (VT332900)
DIODE
AM: D59,92
1: ANODE
2: CATHODE
Components having special characteristics are marked and must be replaced with parts having
specifications equal to those originally installed.
TO SERVICE PERSONNEL
Critical Components Information
Note: See parts list for details of circuit board component parts.
28CC1-8831548-1
2
1
2
PSR-1500 PSR-3000
28CC1-8831548-1
2
Содержание Portatone PSR-1500
Страница 36: ...36 PSR 1500 PSR 3000 DM Circuit Board PSR 1500 Component side 2NA WC02260 1 2 ...
Страница 39: ...PSR 1500 PSR 3000 39 Pattern side 2NA WB76170 1 3 DM2 E Circuit Board PSR 3000 ...
Страница 42: ...42 PSR 1500 PSR 3000 B B AM Circuit Board 2NA WB82640 1 3 ...
Страница 43: ...PSR 1500 PSR 3000 43 B B Pattern side 2NA WB82640 1 3 ...
Страница 51: ...PSR 1500 PSR 3000 51 D D to PNL CN108 to PNCR CN201 to ENC CN301 to PNL CN110 D D Pattern side 2NA WB94790 1 3 ...
Страница 54: ...54 PSR 1500 PSR 3000 F F PNL Circuit Board 2NA WB85600 2 3 ...