Marshall DBS 7400 400W Head 7400 65 02 Schematic

Page 1

A B C D E F G H
D.I LEVEL SNITCH SHDNN Lg,
C\.| IN "DUT" POSITION D.I. OUT NOTE 1) CAUTION: REPLACE FUSIBLE RESISTORS 2) ATTENTION: UTILISER UN FUSIBLE RESISTORS
Cl) D I LEVEL CONNI XLRM NITH SAME TYPE AND RATING. DE RECHARGE DE MEME TYPE. THIRD ANGLE Pmmm
' ' 1 2 _ MAINS SHITCH
Ln 3 F2 _ TIOA 100/115/130V PART NO COUNTRY IDENT
CDNN2 F2 = T5AH 23D/2h-UV HESSDVB ABJ CLDIS B .C .J .M.T.U .
(1'3 SNib R8 3 D2 D1 Cg R18 C13UAT AAN A.D.E.H.K.S.V.X.
330R INSHOD INSHOO 100 100R F2 T18
(3 sum f |:] ' C3 + CH R5 C5 32$? 3 n L: CK E _____ ESL--.
R7 330R 22uF/1BDV iDUn/ZSDV lF7UR 220m \ REE REPLACE FUSE NITH SAME LIVE T
D Wfi RAD RAD E: TYPE AND RATING ONLY. 1
_+ RS ,_ 2K7 N._ CHASSIS TlS BLUE 1
-El - T T
'\ RB 2K7 TR3 - NEUTRAL 5 A
l-| _____
|_, GRND MPSA83 MAINS ml TN ELK f x
' INLET 1-1? :I- ,,,,, .
O NEUTRAL :
SNITCHED .
Z (:11 T13 RED 5
' CONNH CLASS X :: El
(D 1DOn/25Ov SNLIITEEED TORUIDAL
Z 1 351 TR2 B '39 TD P7_CDN1_E3_PNS T12 GY MAINS TX
TRI :I- ,,,,,,,,,,,,,
Q ":4; 25AB72AS 25AB72AS RD TD P7CDN1E3PNS TXI THERMAL I
u R13 BK SNITCH
e n TD P8_CDN3_A3_PN1 SNITCH THERMAL
MONOP
LINK OUT {BE TO PSLCON3LASLPN2 T11 '3 '3
33K -EI~ - . _ m
R11 R12 {BE TO PSLCON3LASLPN3 T><1 THERMAL GY g g
1 J52 L7OR E {55 TO PSLCONSEASEPNH LIZK SNITCH C E
:ger 70R - :{55 TO PSLCONLASLPNS E E
: :R 1 KB}? TD P5_CDN3_A3_PNB g "
MUNDP C5 + C7 Rm C8 + \ L8 T9 VL-2HD < 2
LINK IN 22u/ESVE 1n HIIIILLLV u T. E
33K L7u [] [] :u -1
63V § % 5.
J53 L5 TB 13 r" '
1 £5le 82% R3 Ru VOLTAGE SELECTIDN LINKS LINK :__Bu=2§Ov 4 a;
3 82K 82K FOR IOOV FIT L7.L5.L3 TD
FOR 115v FIT L7.Ll+.L3 Lu 5
MUNUP c - - FOR 130V FIT L7.LS.L3 LINK T7 Skim w
FDDTSNITCH GRND FOR 23Ov FIT L7.L5.L2 {El _______
FOR EHUV FIT L7.LB.L2
L3
THE CORRECT MAINS TRANSFORMER MUST LINK FAN SUPPLY NH
GRND BE IN PLACE NHEN FITTING THE E """"
_ VOLTAGE SELECTION LINKS. T5
23DVv2l+DV = T7kU (MARSHALL STUCK NU) L2
FAN SUPPLY
IDDVvllSVVIEUv = T7kUU LINK .- :| ________
+ F1:TSUDmA IOU/115/13Ov TH
C2 I: Cl Rik F1=T250mA 230/2HOV H W LIVE 2qu
22nF/180v__ 1K CE ,_ 75K PREiAMP
RAD T-F- T 1:
REPLACE FUSE NITH SAME 115V 2 MAINS TX
TYPE AND RATING ONLY. T3 |- 3 TYPE 352,325
T><2 NEUTRAL PK 23
fl 4
1 10 g V
|-| T2
C10 FAN SNITCH
CONN3 H EHUEI"
TO PGECONSEAS M THERMAL
Tl SNITCH
R17 FAN SWITCH GY TYPE 2R55R F5OC
100R
TO PS_CON3_A3_PN5 = TO PAGE 8 CONNECTOR 3 GRID REF A3 PIN 5.
(BK = UV): IOO.115.13OV TRANSFORMAR NIRE COLOUR AND VOLTAGE.
DOTTED NIRES DENOTE NIRES OFF THE P.C.B.
7 lZLT-U 10/12/95 UNSPECIFIED HDLE DATA MATERIAL DIMENSIONS IN TITLE
8 OBI-FL!» 17/01/85 A H 9 THICKNESS TOLERANCE (uNLESS uTHERHISE STATED) //
5 OSOD Os22 EU/US/Sh- B J INTERNAL BENDWH nmsnsmNAL ,
|+ O555 Iu/OS/SL C K mama/A csmgs 0 d 0 I OUTPUT (35;; 8
3 0577 25/2/53 D L BEN E WWW mpmm mm m ms nu EE USED w W mm
2 OROS IO/I2/53 E M DRAW E.K WE 27/05/93 MODEL ggAqNnggTjUzgggg:3mg: UTBEGDWW' [me -No ISSUE
1 FIRST RELEASE 10/08/93 F N m M 7'4-00 ( BASS ) DENEQHL/a 7'4-00-65-02 7
155 ECD NUMBER DATE (3 P WWW" WE ,, .wmaumwa
A B C D E | F | G H