Ampeg pwa dsp rfx65 guitar amp

Page 1

A B I c D I E F

+IEV

DISTORTION CHANNEL m m

OVERDRIVE GAI
cw

J1 cs 06 p

Label W I-_.

I I up m M L
TIF_SW D068 35\/

swisw WW D2 7
i D TN9TA 7
R18
C I SK
0474- 7 4:
IouV _ (:9 r -
HTMDV R28 D9
2? D4 47K INBM
J18 RI II
7 INNS
77 E 2 052 04 V 06 R26
I + mo ,
35V DASH us A 04 RT R9 \ s 22K
TO TUNEIT T ONLV I 5K eau _) G D SOLO GAN
J I JHZ
c4 CID
22 m5 " c2
TP CONDITION A CONDITION B" CONDITION "c M -
m2 RT 12

OI

I .AOVpp ABVpp ASVpp C? R8 D E SOLO LEVEL
(U (U m (3 IM 5 .3 OVERDRIVE LEVEL

C55 JI75 5W

2 m IeVpp m 52V m 5 EVRR 054,

Iro

3 I 7»2VPD FL 5 ZVRD (\J WW Rig cw Rm 7
5
HIGH WK L
4 SVpp
m I
5 9»3VPD 8Vpp 7 2 2
W W M N227
2 o
5 m 3.3Vpp (U 3.2Vpp m 3.8Vpp LOW :35 050
7 9.8Vpp 5Vpp 3Vpp C" mm
W W m 2 WW
8 4.8Vpp 2.5Vpp I.5Vpp 7 F9
W W m MID sun A
9 ' I 30Vpp FL, SDVPR FL. 30VDP
Note Tobie 7
m CONDITION 'A' ' SOLO CHANNEL
GAIN k LEVEL 8 "ID , SHAPE G 5.
WM: IsemV SINE WAVE iNPUT
CONDITION 8' 'OVERDRIVE CHANNEL -
GAIle LEVEL 8 '10', LOW. MID A: HIGH 8 5. J2
IkHz IsemV SINE WAVE INPUT Es: P RIIs
CONDITION 0' ' CLEAN CHANNEL A 47K
VOLuME «mow, MID, HIGH 9 5 B r _I_ RSI POW TOW
WM: Isemv SINE WAVE INPUT 0;, T 22K ReiDes -15v +15v
u FOR TEST POINT 9, PUT A 150 OHM R. 6 ICT 6 8
RESISTOR FROM J6 To w Q
Is: 4 s
JOWI IC} 4 8
R94 K34 6 8
R82 47 IC5 4 a
REPLACE WITH R92
JUMPERS ON 10K
DSF VERSIONS T
_ m
- He
2
E u z 4)
E, 5 he 2 5-18-04 QRRJARETWW News as
T;5 1 6/26/03 CHGD -��36 FROM ,1 70,01 UF, N01 77 REM
T REPLACE WITH
JUMPER ON m E-' 0 11/27/02 CONTROL ISSUE
DSP VERSIONS
C AUTION: mm mm REV Date DESCRIPTION Ecr(s)/Ecn(s) Chgd By Appvd by Dale
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. m" V m" V THE INFORMATIONSQOLNJAISngIgTug nnAwme IS PROPHET RV To
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVlCING TO QUALIFIED DC A , v, A,
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND Signatures: Date: #jmflmjgé
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. mm mm T T REID/z
Iouv PIV Iro PIV Drawn: REM 8/30/02
NOTES: J8 Checked: First Used On:
1) CAUTION: SHOCK HAZARD Released
THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER '
§gfigfifigfifiTrng§F§£§gY IS D'SCHARGED BEFORE PIoI Date:Tue May18,2004 Drawing Size: C Drawing Title:
2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4w-5% TOL. PIOITIme: 1mm» Drawing Type: Schematic PWA - DSP GUITAR AMP
CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. Cl C d NONE Drawing Number
3 VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE . ass 0 e: -
) AND Io MEGOHM DIGITAL VOLTMETER. Tolerance. Sheet 1 of 2 0781 95-XX

A B c D E | F

Page 2

A B c I D I E | F
TEST POINT CONDITIONS FOR POWER AMP:
1 IVpp IkHz SINE WAVE INPUT INTO INSERT T1P,4 OHM LOAD
R59 D23
+on
TP AC DC A (:51 47 W9" +40V
0 »65Vpu ,043V 220 R70 R24 R3
am»-
11 35Vpp 1 4V 22K (340 MW 1 5K W
12 35Vpp :67V T 220 F 112w 1 2w
13 32Vpp MW 1 no: 022
14 1 szp RIPPLE 34V 014 (jg R65 01/71 I7
15 1,3Vpp RIPPLE '34V QNSOE 5 2N5037 057 31ch
2:10 E
(:35 35" D14 c21
II +/
II \
220 pF 1N914 I
SWITCHING LOGIC 1ro
A E 0 R100 Rig
QIQ 09
SOLO r1ov HOV UV 2309 mam 33° 2Nsaaa 5W
OVEHDRIVE r1ov ov HOV
CLEAN 0V HOV ov OR +IOV R62 T
H66 10 D21 R85 77%?
'40V4VAV7V- I W R1 5101 H83 53117 W 1W
0 1N914 T gm
+151, (5305 CW AP H63 R61
R101
+I6V 100 500 $223] 220 R97
7 IO
a 015 112w
a TIPVIM
7) 3 @ 740V TIPVIM
~ REPLACE WITH 043 j:
o 2 OHM. 5w ON
M I saw VERSIONS - 220 pF 023
T W ONLV 100V
40V 740v
S1 7 W
6 T C78 ON 120
5V 7 7i VERSIONS
1 ONLY
$97? R85 079
22K
7, I
T WW +40v @
D19 I R96
F0602
19760; , ,mv
NEUTRAL I 23: :2? :2:
J29 J27 41 R 1ro 100V 100V
CEI+
(- OPT1 a-EI I :
(i INQIA J26 100V + C70 .151,
77 4700
FOR DSP DWI PE: 076
5 7 VERSIONS J28 I, 1
F: 55 1C ' SEE 30 DWI-79:1 W 740V @ 5W
33K
(-75
(7 a E75 I +I6V 1N914
7 1
(_1. 5% 06a195-01/02 120 WA'IT/ 65 WA'I'I'
"- _T_ C 52 <5 3 I K 06a195-03/04 120 WAI I/ 65 WAI I WITH TUNER
@ Q 9
2 5.15.04 ma 1101496 nus
ICQNNECT APPROPIATE BROWN I 1 5/25/03 CHGD caa FROMJ T001 UF, N01177 REM
XFMR LEAD TO J17 FOR 240V
I DESIRED LINE VOLTAGE. J23 0 11/27/02 CONTROL ISSUE
CAUTION' J17 GRAY/WI. e REV Date DESCRIPTION Ecr(S)/Ecn(s) Chgd By Appvd by Date
' 230V
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. I J13 THE INFORMATIONSPIIOTGISIEIDU IéTFrI DRAWINGIS PROPRIETARVTO
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED 120V _ f/i
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND e Slgnatures: Dae: /;Ef/ W¢W%g
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. D _ REM 8/30/02
"PARK" THE THREE 100V J22 raw F U d o
. UNUSED LEADS ON Checked: irsI 5e n:
III):(:,II:E)LTTION: SHOCK HAZARDII I 'SOLATED TABS WHITE I Released:
Pl 9 : D s : rawmg I e:
TOUCBHEING ETERNAL PARTS_ OI ale Tue May 5. 2004 raWIIIg IZe PWA - DSP GUITAR AMP
2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5°/e TOL. EXPORT WIRING Plot Time: 10:19: Drawing Type: Schematic
CAPACITOR VALUES IN MICROFARADS, SUV-10% TOL. I _ N NE Drawing Number
3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE T Tolerance: Cass Code. 0 - 0781 95-XX
AND 10 MEGOHM DIGITAL VOLTMETER. , 7 7 7 7 7 7 7 7 SheeI 2 of 2
A B C I D I E F