maintenance/
troubleshooting
47
Synrad
Series 48Series 48
Series 48Series 48
Series 48 operator’s manual
Troubleshooting
J48 control board schematic
Figure 4-2 schematically illustrates the layout of J Series control boards.
FOR REFERENCE USE
ONLY
D.B.
DWJADDED PART NUMBERS TO TABLE
DESCRIPTION:
PWM SWITCH
8/2/99
DATE:ECO:
1465B
REV:
POWER SWITCH5.4V REGULATOR
D1
2
1
3
U1
REVERSE SHUNT
PG PG
HS
MBR256OCT
TO220Q
D2
BAW56
SOT23
A1
3
LD4
YEL
1206
HS
VIN
OUT
ADJ
LM317HVT
TO220Q
3
2
1
R4
82.5
0805
+
5.4V
C1
4.7/16
3528
R5
22.6K
0805
+
C3
560/50
LCAP13MM
PG PG
POWANA
C4
.1/50
1206
D4
MMSZ5242B
SOD123
12VH2
R7
11.3K
0805
3
2
1
HS
Q3
IRF4905
SUP65P06-20
TO220Q
2
R9
11.3K
0805
+
C5
4.7/16
3528
3
1
D10
MMSZ5242B
SOD123
12VH2
R10
1.69K
0805
+
PG
C6
560/50
LCAP13MM
43
+
-
Q5
IRF4905
SUP65P06-20
TO220Q
HS
3
2
1
F1
7A
SMFOMNI
F2
7A
SMFOMNI
DC POWER I/O
P4
POWER
MLX6
1
2
3
4
5
6
3
6
2
5
1
4
POWLED
LASLED
R13
2.2K
2512
R12
2.2K
2512
D6
SS26
SMB
C7
.0022/100
1206
X7R
PG
R37
10
0805
U5
MIC4416BM4
SOT143
D10
1
2
Q4
BCX55
SOT89
BE/BG/BM
3
1
2
D9
BAW56
SOT23
A1
3
R14
22.6K
0805
1
2
R11
619
0805
GND
R8
475
0805
/PWMEN
3
21
POWRON
Q2
BCX55
SOT89
BE/BG/BM
R25
619
0805
12
Y1
4.00MHz
SIP3
PWMANA
CMDANA
C9
.1/50
1206
X7R
GND
R17
22.6K
0805
GND
C8
.1/50
1206
X7R
R16
22.6K
0805
U4C
74HC14
U4B
74HC14
6
5
4
3
GND
R15
11.3K
0805
NOTE 8
GND PG
MT2 MT4
MT1 MT3
MOUNTING HOLES
COMMAND
NOTES:
1. RESISTORS GIVEN TO TWO PLACES ARE 5%; THREE PLACES 1%.
2. RESISTOR POWER RATINGS: 0805=.100W, 1206=.125W, 2512=1W.
3. CAPACITORS ARE GIVEN IN µF/WVDC UNLESS NOTED OTHERWISE.
4. 1206-SIZE CERAMICS: .1/50 & .0022/100 = XR7 10% TOLERANCE.
5. 0805-SIZE CERAMICS: .1/25 = Z5U, M5U OR Y5U 20% TOLERANCE.
470pF=COG/NP0 TEMPERATURE STABLE TYPES, 50V, 5% TOLERANCE.
6. ELECTRO-CAPS = 7000HR, 105C, LOW Z, HI RIPPLE PANASONIC TYPE FA
OR EQUIV.
7. JEDEC CODES ARE GIVEN FOR PARTS TOO SMALL TO BEAR FULL P/N.
8. SIGNAL AND POWER GROUNDS CONNECT AT ONE POINT ONLY ON PCB.
9. D1, Q3, Q5, AND U1 ARE MOUNTED ON A HEATSINK USING SILPADS.
ORCAD CAPTURE
Synrad, Incorporated
6500 Harbour Heights Pkwy
Mukilteo, WA 98275
PHONE: (425) 349-3500
FAX: (425) 485-4882
SYNRAD
PROPRIETARY
THIS DRAWING IS
PROPRIETARY TO SYNRAD
INC. AND SHALL NOT BE
USED OR DISCLOSED IN
WHOLE OR IN PART WITHOUT
WRITTEN PERMISSION OF
SYNRAD, INC.
DESCRIPTION:
CATEGORY:
SHEET:
UNITS:
SIZE:
B
1 OF 1
SCHEMATIC, J48 CONTROL PCB ASSY W/ REMOTE INTRLK
PART No:
DRAWN BY:
CHECKED BY:
APPROVED BY:
SEE TABLE
B. Morrison
DRAWING FILE No:
DATE:
DATE:
DATE:
810-17542-02
11/17/98
D5
BAV70
SOT23
A4
5.4V
LD1
YEL
1206
LD2
YEL
1206
LD3
YEL
1206
C2
.1/25
0805
GND
R6
2.49K
0805
GND
GND
R3
274
1206
5.4V
8765
1
2
R2
2.2K
2512
R1
2.2K
2512
GND
GND
D8
MMSZ5245B
SOD123
15VH5
D3
MMSZ5245B
SOD123
15VH5
5.4V
PS1
500mA
RXE
PS2
170mA
RXE
GND
654
1
2
3
R18
11.3K
0805
Q1
NDC7002N
SSOT6
02N
1
234
S1
SETUP
DIP8
R20
619
0805
R21
619
0805
R22
619
0805
R34
R35
R36
2.49K
0805
U4D
74HC14
9 8
R23
619
0805
11
10
U4E
74HC14
R24
619
0805
13
U4F
74HC14
12
3
U6
MAX809L-EUR
SOT23
AAIS
5.4V
3
21
V
/R
G
MESSAG
R38
22.6K
0805
P3
MLX5L
5
4
3
2
1
FRONT
WALL
GND
R19
11.3K
0805
SHUTDN
TMPANA
GND
µC
GND
5.4V
C16
.1/25
0805
18
17
16
15
14
13
12
11
10
AIN1
AIN0
OSC1/CLKIN
OSC2/CLKOUT
VDD
RB7
RB6
RB5
RB4
AIN2
AIN3
RA4/T0CKI
/MCLR
VSS
RB0/INT
RB1
RB2
RB3
U3
PIC16C711
DIP18
MACHINE-PIN SOCKETED
GND
1
2
3
4
5
6
7
8
9
C17
.1/25
0805
GND
R39
1.69K
0805
C10
.1/25
0805
R26
22.6K
0805
GND
GND
P2
OTHER
BOARD
MLX5L
5
4
3
2
1
IBLINK
KYSWON
R27
22.6K
0805
GND
R28
11.3K
0805
C11
.1/25
0805
/SHTCL
5.4V
PULSE STRETCHER
GND
GND
C18
.1/25
0805
3
2
R33
5K1T
STA4
1
CW
1
14
2
C14
.1/25
0805
7
U4A
74HC14
SO14NB
GND
R32
475
0805
GND
C13
.1/25
0805
C15
2200pF
0805
NP0
R31
82.5
0805
U2
HCPL-061N
SO8NB
61N
1
2
3
4
8
7
6
5
INPUT OPTO-ISOLATOR
D7
BAV70
SOT23
A4
3
21
R30
82.5
0805
C12
470pF
NP0
0805
R29
619
0805
POWLED
LASLED
P1
MLX10L
REAR
WALL
10
9
8
7
6
5
4
3
2
1
PART NUMBER
80-017542-02
80-017542-03
DESCRIPTION
WITH REMOTE INTERLOCK
CHANGED CAPS: C2, C10,
C11, C13, C14, C16-C18
INTERLK
GND
INTERLK
Figure 4-2 J Series control board schematic
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