Crate Powerblock Preamp PS 06S674 Schematics

Page 2

MAIN BOARD
PWR SUPPLY

F02 TP15 +25V TP17
L202 25Vdc ICE 1 5Vdc
E E] C204 L17
J6 F1 W |__ 4.7 uH 3_ . 8 IN GND OUT 1 +15V
315ASB 30 .001 FERRITE
2W IKV 78L15 me
063
7 C13 C16
D204 $0206 111 22+ 4: .01
T1 INfl A: 2200 16 v 1
| 1 H 35v T
. . 1 | D1 0205
B I a 9 5LCZOU b
R102 R104 C106 C105 0 | En 1o 200V PIV A: 2200
(3101 220 7 35V L16
68K 47K .022 ,
2:58v T 12W 1W 2W TOOV + 400v 16 I 1:1 J
. .1 R105 I FERRITE R202 __
J5 (23287 F 22 4 o | , 1.5K T
' p
' ' U213; I
1KV PIV 2 | (3202 392K P01 1A R207
I $2200 1% g P0817 475K
XFRMR 35" ( 1%
. C203 1
TP19 0301 3:200 2_ C§3g_ 4_ C315
, 35V R206 0207 16 V II- -
/ 18.5Vdc #1 F -\/VV\-l F
D102 1 00 pF K 7
I 250V 1 .1
1 3 1 UF4004
VCC DRAIN 400V PIV D15L020U |0201
Q4 5 K3101 200V PIV R203
MPS-AOG S7STAFlT KA5M09650R30 2.49K
R29 2 GND 4FDBK 47K§ 372138 $2431 g 1% ICE
5
47K PC1:B R208 C201 L18 40V PIV 367 IN GND OUT
1 R77 /- 4.7 UH 4T 2 1 -15V
100 £061 + C111 X 30 '001 VVVVVJ FERRITE
"25" 10 C109 1 W (V L201 TP16 TP18
1 1/10 w 35v 4.7 H: .022 064 -25v 79L15
THESE PARTS USED 100V ¥ .1 -25Vdc -15Vdc
ON -01ASSY ONLY I PC817
7 7 7 1/10 W -_-
D1 1 _ D19 :7 T
MMSZSZ54BT 1
27v '
1 N91 4
-25V
CAUTION, 1 5114/05 CHANGED VALUES ADDED 702 VERSION NO1834 REM
THIS SCHEMATIC IS PROVIDED FOR USE EV QUALIFIED PERSONNEL. 0 05/23/05 CONTRoL ISSUE
TO AVOID RISK OF ELECTRIC SHOCK. REFER SERVICING TO QUALIFIED REV Dam DESCWTION Emfl/EWS 0th By Appvd by Dam
SERVICE PERSONNEL. DO NOT PERFORM ANV SERVICING DEVOND
THAT EXPLANED IN THE OPERATING 1NSTRUCTIONS THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARV TO ST. LOUIS MUSIC, INC
NOTES: Signalures: Da1e:
11CAUT1ON.SHOCKHAZARDH r w , i
THIS UNIT CONTAINS HAZARDOUS VOLTAOE. DISCONNECT POWER D a n WFB 06/30/04 90 cmg'essma 5" 1 MO 63146
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE Chedei Fm use 0"
TOUCHING INTERNAL PARTS ReIeased,
21 UNLESS NOTED. RESISTOR VALUES IN OHMS. MEWS/g TOL. Pm Date: WSW" 5 2005 Drawmg Slze. B D'aW'W me-
CAPACITOR VALUES IN MICROFARADS sovrmo/g TOL. Pm mm am 15 memg Type Schemm PREAMP PWA
31 VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE T I _ D N b
AND 10 MEGOHM DIGITAL VOLTMETER 0 we mass cede NONE rawmg um er 068674
Shem 2 01 2

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