Crate GTX 212 07S195 07S279 Schematics

Page 2

A B C D I E I F
TEST POINT CONDITIONS FOR POWER AMP: MTV
I 1Vpp IKHZ SINE WAVE INPUT INTO INSEFIT TIP, 4 OHM LOAD @
D23
R69 -- +
Ta Ac DC T/VHVE THFW 40V TO SPEAKER J15 4 W
V _
Io SST/pp ,oaav 11' S251} H70 R24 H31 *4" H20
11 35Vpp 1.4V 22K 04° +40V fiAAHAA/mi 4 7 ,
12 35Vpp -,s7v 4% 123; 323:}, 20 F
13 32w»: 048V 7 ® 21235 (322
14 1 szp RIPPLE 34V Q14 9 eq R65 MOVH F
Q20
15 1 szp RIPPLE '34V I@ 345057 2Nsoa7 27K 220 pF D12 R37
K5 6 Law 2mm «7
(:35 35" J D14 C2I
I
SWITCHING LOGIC 100V R13 (030: R39 [3
A B C F1100 I 5" T 100v R33 R23
H49 09 70 mm 7 u 7
SOLO -IOV +1DV (IV 650 33° g 2N5m35 T 5w 5
OVERDHIVE AIOV 0V $IOV 012
CLEAN ov +IDV 0V OR +IOV 7 R40 MF'S'AOB
H56 m H13; 432?
-40VE4\/A\7/\,-< M T 1th
nev 4 C45 cw API H63
usv + 220 mm 500 220
100 112W R97
% 11
CI '5 I/2W
mum
@ 740V TIFVIA7
REPLACE WITH 4:
R104 oonM,5W ON _ C43 7
1 saw VERSIONS 220 PF 023
SW 0NLV IOOV
SI -4DV -40V
SOLO/OVEHDFIIVE T
é é usv , C78 ON 120W
REE I I7 VERSIONS
A I
Q 9 R36 LINE Jaws 423 Ioov C79 ONLY
2 2K I F .
T J25 ICLI J20 T1 1 w
I IODV
mg IEI-~ 3A »-E:I- A m +4fv H96
J19 1 Cr D35 22D
2 s + C14
OVERDRIVE J2 T P0602 + 5w D29 ;:100
D7 J22 E76070 $69 V3335 35v , +16V
100V f
VEL NJZESUTRAL C77 1 :: 837! 9175 (53'?
J27 . 7 Ces ' 100v 100V T 100v
OPT .-E IDIJV I ' 16V
100V D28 -
J26 07° INSQSQB a, C12
<0me --E:| 7° W ;: °°
FOR DSP T J17 C76 R95 35"
l, _ VERSIONS J28 I 220
7 13> SEE BOM «:_OPT3 I-o-E mm, 40V 5W
m - ®
a C D22 7
n H -16\/ +IEV 1N914
I\
H m I Rm 043
11 4: 1 5K
RBI +I6V 06a195-01/ 02 120 WAI I / 65 WA I I
i E «70 022
CLEAN/OVERDRIVE if 025 MF'SVAIC! 47K 028 X RED
1N746ARL MF'SVAIG \ SOLO
3.3V
7 I
T _ CONNECT APPROPIATE BROWN 1 6/26/03 CHGIDCGS FROM ITO OI UP N01177 REM
R XFMR LEAD To J17 FOR 240V
DESIRED LINE VOLTAGE. J23 0 11/27/02 CONTROLISSUE
CAUTION. J17 GRAYNIHT e REV Date DESCRIPTION ECr(s)/Ecn(s) Chgd By Appvd by Date
' fl 230V
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. J13 THE INFORMATION CONTchEIIDUgIICTIII DRAWING IS FFIOFRIETARV T0
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED 120V fl: W K
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND e Signatures: Date: a
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. *fl
"PARK" THE THREE 100V J22 Draw": REM 8/30/02 11580 Barman Drive. SL Louis: MO 53146
NOTES; UNUSED LEADS ON Checked: (Checked By) FIrst Used On:
1) CAUTION: SHOCK HAZARDII I ISOLATED TABS WHITE E Released. GTX21 2d
OOWOOGG%P°WER '
. : : . D TtI :
TOUCHING INTERNAL PARTS Plot Date. Thu Jun 25: 2003 Drawlng SIze. C NEW; _ DSP GUITAR AM P
I UNLESS NOTED RESISTOR VALUES IN OHMS 1/4W 5% TOL. EXPORT WI RING PIDI TIme: 11za2:32 Drawing Type: Schematic
CAPACITOR VALUES IN MICROFARADS 50v 10%T O.L Cl C d NONE D . N b
3)VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE e ; ass a e: Tawmg um 9
AND 10 MEGOHM DIGITAL VOLTMETER. I Tolerance 078195-XX
Sheet 2 er 2
A B | C | D E F

C RAT€W

G1X212

@2007 L0 UD Tec hnologies Inc . All rig hts reserved

PWA DSP GuitarAmplifierPCB Schematics

PAGE2