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9
+5VI
C4
2
OUTPUT RECTIFIERS
CR26
SWITCHING CIRCUIT
INVERTER
12
J2
R7
10k
INPUT RECTIFIER
CR1C6
0.15uF
RV2
RV1
R6
10M
TP1
+
RT1
5
R3
1M
S1
F1
6A
A
R4
10
C3
.01uF
FL1
C1
1500pF
A
THROUGH MOUNTING HOLE
=CHASSIS CONNECTION
SAFETY GROUND
C2
1500pF
C5
0.15uF
C4
.01uF
HOUSEKEEPING SUPPLY
CR2
C7
1000uF
C8
1000uF
F2
0.2A
R5
100k
DS1
TP2
-
+15V
A
U2
7812
CR8
C9
0.1uF
A
R8
10k
L3
8mH
C14
2.2uF
CR9
TP22
+14.4V
C10
.01uF
C11
.01uF
C12
.01uF
C13
.01uF
Q6
Q7
CR23
CR24
CR25
C31
4.7UF
C32
4.7UF
R36
24
R35
270k
CR27
L7
50uH
TP5
GND
R38
100
R40
100
R42
100
L5
1uH
1
2
1
1
5
20
21
22
9
8
7
10
11
12
6
T5
C37
.001uF
C33
.01uF
+16.5VI
C36
1uF
C39
1uF
TP4
GND
L6
1uH
R39
.003
C38
270uF
C35
250uF
C34
250uF
C40
1uF
R41
0.1
C82
1uF
+16.5V
+5V
+16.5VI
2
3
TP25
+5V
TP26
+16.5V
16V RET
5V RET
C3
2
1
2
J10
J10
CONNECTS
TO J1
1
A10A1
DISPLAY
MONITOR
BOARD
+22V
C42
1uF
C41
270uF
C46
1uF
C43
1uF
C45
270uF
C84
270uF
C85
1uF
R43
0.1
C47
1uF
C86
1uF
+22VI
-16.5V
TP27
-16.5V
TP28
+22V
TP29
22 RET
TP30
-22V
6
22V RET
C2
2
L8
50uH
L9
50uH
CR30
CR28
CR29
CR47
C44
.001uF
L4
1.2mH
R37
24
+14.4V
-14.4V
-15V
C17
47uF
CR11
U3
7912
C18
47uF
TP23
-14.4V
A5
2
CR10
CR6CR7
6
4
3
1
7
9
10
12
T1
CR3
CR4
CR5
F3
0.2A
TP3
LS
C15
470uF
C16
470uF
LINE SELECTOR
E1
S2
PULSE WIDTH MODULATOR
LINE SENSE
POWER SWITCH DRIVER
3
2
6
5
7
8
T2
CR17
CR18
Q2
6574
12 3
T4
R31
5.1
R30
15
Q3
15V REGULATORS
Q8
+16.5VI
3
2
1
8
4
U8A
34082
C50
1uF
R48
24.9
L11
50uH
R45
10.0k
CR46
+16.5VI
-22V
R139
0.1
4
-22VI
15V RET
22V RET
+15V
-15V
+5V
+22V
-22V
6
C5
2
1
2
3
4
5
6
7
8
J7
TO J16
A5
TO J30
8
A3
J7
CONNECTS
AUDIO
GENERATOR
BOARD
DIGITAL
AUDIO
BOARD
+15V
R49
0.1
C51
47uF
C52
1uF
-15V
R54
0.1
C54
47uF
C55
1uF
3
TP6
GND
+15VI
4
TP31
+15V
5V RET
C3
2
C48
.001uF
-16.5V
C49
470pF
R47
274
R46
5.00k
+14.4V
R44
1.0k
+16.5VI
2
1
3
U7
LM4040-5
CR20 CR19
Q4
R32
10.0
C28
1uF
CR22 CR21
Q5
R33
10.0
R34
37.4
C30
470pF
R28
5.1
+14.4V
10
11
12
13
7
O
9
8
O
6
5
O
4
3
O
2
1
4
1
U6
D469B
/Q
2
Q
1
G
N
D
7
R
4
S
6
D
5
>
3
V
C
C
1
4
U5A
4013
R26
2.74k
R27
10
C27
47uF
+14.4V
+14.4V
C21
0.1uF
CR15 CR16
VC
13
A OUT
14
B OUT
11
SYNC
10
G
N
D
1
2
RT
9
CT
8
I-
3
I+
4
-
6
COMP
7
+
5
VREF
2
V
C
C
1
5
SS
1
S
D
1
6
U1
3846
3
2
1
8
4
U4A
LM393
R12
5.62k
C26
1uF
R9
10.0k
R16
6.49k
R10
5.49k
C19
300pF
R11
1.24k
C20
3300pF
Q1
+5V
ADJ
R1
10.0k
R17
12.7k
R13
2.10k
R14
1k
R15
2.21k
R25
2.74k
6
5
7
U4B
LM393
C23
.047
C22
10uF
3
2
6
5
7
8
T3
C29
1uF
R29
5.1
R53
24.9
Q9
5
6
7
U8B
34082
R52
274
C53
470pF
R51
15.0k
R50
5.00k
-16.5V
3
4
-15VI
TP32
-15V
5V RET
15V RET
+15V
+5V
C4
2
1
2
3
4
5
J9
-15V
J9
TO J25
6
A1A1
TO J33
12
A6
CONNECTS
1
2
3
4
5
6
7
8
9
10
J8
BOARD
ANALOG
J8
CONNECTS
TO J31
12
A6
MAIN/CPU
BOARD
MAIN/CPU
BOARD
+5V
R23
1.0k
3
4
SENS RET
5V SENS
R20
1.0k
15V RET
5V RET
+15V
+5V
RDETECT
A5
2
CR14
CR13
5V SENS
SENS RET
C25
.01uF
R21
4.99k
R22
4.99k
C24
0.1uF
R19
2.162k
R2
39.2k
SD
OVSD
12
J3
CR12
R24
2.74k
G2
2
H3
2
AM 700 INPUT, INVERTER AND REGULATORS
PART OF A11 POWER SUPPLY BOARD
1
ACQUISITION
Use the A11 board locator chart on the front of the pre-
vious page to find parts on A11 Schematic <1>.
CRT DISPLAY VERSION
For B019999 and below.