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1
TP2
TEST_PLUG
P1
+12V
1
2
TP4
3
TEST_PLUG
D
4
HEADER 4
VREF
TP3
R7
TEST_PLUG
3.9K
U3
VREF
1
8
Vdd
GND
2
7
A0
SDA
3
6
A1
SCL
JP1
4
5
Vout
PD
JUMPER2
TP1
AD5321-RM8
TEST_PLUG
VDAC
C
LAMP POWER CONTROL DAC
DAC I2C ADDRESS
A0
A1
WRITE ADDRESS READ ADDRESS
ASSY NUMBER
B
0
0
18
19
TBD
0
1
1A
1B
TBD
1
0
1C
1D
TBD
1
1
1E
1F
TBD
Applies to PCAs: 04540 -01 and -02
REV.
DATE
CHANGE DESCRIPTION
A
5/1/03
CREATED
B
6/1/03
Changed layout on 1st switvher stage
C
9/3/03
Changed R15 value
C1
11/18/03
Changed R43 & C15 values
A
1
068070000 Rev A
2
04693_p2
04693_p2.sch
VDRIVE
+12V
VDRIVE
RP2D
4.7K
VREF
VREF
ACOMP
ACOMP_2
VREF
TP10
PreReg_Control
LAMP_FDBACK
R8
10k
C6
0.03 uF
U1B
RP2A
1
2
6
LM358
7
4.7K
VREF
5
D7
C5
7V
0.01 uF
LAMP CURRENT FEEDBACK AMPLIFIER
R27
40K
+12V
R34
INITIAL
40K
U1A
CAC
2
CAC
CAC
3
CAC
ACOMP
LM358
R35
40K
R32
40K
VSET
R33
40K
BLINK MULTIVIBRATOR
2
3
4
TP6
Q2 Drain V
TP5
Drive Voltage
R4
+
C2
100
0.1 uF
C3
220
IRF520
IRF520
Q2
Q3
R2
R3
N/I
N/I
C23
C24
N/I
N/I
RP2B
4.7K
3
4
R13
249
C9
0.1 uF
R28
5.1K
R29
R30
100K
47K
IPRIMARY
R38
C14
4.7K
1
R31
1 uF
47K
R36
C16
20K
0.01 uF
PRIMARY WINDING OVERCURRENT CUTOFF
3
4
5
T1
PE-6196
R20
2.7k, 25W
C4
D3
D4
1N4148
0.01 uF
1N4148
TP7
D5
D6
Q3 Drain V
1N4148
1N4148
TP8
R6
Primary Current
75, 1/4W
R21
0.2 Ohms, 2W
R10
TP11
75, 1/4W
Lamp Current
LAMP DRIVE POWER STAGE
VCOMP
+12V
R14
CC STAGE AMPLIFIER FOR COMP
10
+12V
PWM CONTROLLER
3
16
SYNC
VREF
R12
11
2
OUTPUT A
NONINV. INPUT
249
14
5
OUPUT B
CT
8
7
SOFT START
DISCHARGE
1
6
INV. INPUT
RT
10
12
SHUTDOWN
GROUND
4
9
OSC. OUTPUT
COMP
U2
SG3525
D1
D2
U4B
1N914
D9
1N914
7v ZENER
6
HYSTERIESIS SET RESISTORS FOR PWM ERROR COMPARATOR
7
VREF
5
R39
LM358
255K
Error : LOGO.BMP file not found.
R40
The information herein is the
APPROVALS
property of TML and is
30K
submitted in strictest con-
DRAWN
fidence for reference only.
CAC
Unauthorized use by anyone
for any other purposes is
CHECKED
prohibited. This document or
any information contained
in it may not be duplicated
APPROVED
without proper authorization.
5
6
P2
1
2
3
4
LAMP OUTPUT
5
6
D
7
8
TP9
R1
Lamp Voltage
N/I
VLAMP
R5
N/I
+12V
Q6
C
NPN
TP12
30K
R22
ACOMP
ACOMP
R25
10K,1%
R26
R11
50K
47K
VREF
R17
47K
R15
B
R18
232
C7
40k
C11
C12
R16
0.01 uF
3.9K
0.0047 uF
0.1 uF
VCOMP
Sch, Bursting UV Lamp Drv, M100E
DATE
A
Used for PCA 04692
5/1/03
SIZE
DRAWING NO.
REVISION
B
04693
E
LAST MOD.
SHEET
2-Jun-2004
1
2
of
6
D-14
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