Download Dolby Laboratories CP650 Installation manual

Dolby® CP650 Power Supply Wiring
Maintenance and Troubleshooting
TO CAT.NO.775 J14
BACKPLANE
POWER CONNECTOR
FRONT PANEL BUTTON
BYPASS
P1
P2
S1
GRN
1
BRN
CAT.NO.795 SNUBBER / TERMINAL BOARD
ON
PINK
3
AC MAINS FUSE
L
FILTER
N 110/250 VAC D
50-60 Hz
6A
5
LT BLU
7
E
THE POWER SOLUTION
POWER SUPPLY +5 V +/-15 V 120 W
DISCHARGE
TUBE
3500 V
E
CON 2
N/C
14
N/C
13
KEY
12
-15 V
11
N/C
10
+15 V
9
+15 V
8
RET
7
RET
6
RET
5
RET
4
+5V
3
+5 V
2
+5 V
1
CON 1
BYPASS
FUSE
INTERNAL FUSE
BRN
1
110 VAC: T 200 mA L
220 VAC: T 100 mA L
BRN
BLU
3
L
3
8
T 3.15 A
250 VAC
GRN/YEL
+5VB
8
+14VB
16
BYP_DC_GOOD
WHT/VIO
17
BYP_AC_OK
VIO
3
GRN
P3
GRN
6
YEL
12
GRN
5
GRN
GRN
RED
RED
RED
-15VDC
ANALOG_GND
+15VDC
ANALOG_GND
15
DIGITAL_GND
14
DIGITAL_GND
1
+5VDC
10
+5VDC
11
+5VDC
N
1
CON 3
5
-14VB
18
N/C
6
VARISTOR
E
FROM CAT.NO.792 J2
BYPASS REGULATOR
T 5A L
250 VAC
BYPASS_GND
9
ORN
4
A
VARISTOR
MAINS POWER
100-240 VAC
50/60 Hz
120 W
7
GRAY
2
PG
4
RET
3
S+ (FOR V1)
2
S- (FOR V1)
1
E
5
NOTE:
EARLY CP650 UNITS USED
A SINGLE T 315 mA L FUSE.
P4
WHT/BLK
4
N/C
AC_PWR_GOOD
2
GRN/YEL
13
CHASSIS_GND
FB425T05.CDR
TO CAT.NO.792 J1
BYPASS REGULATOR
BYPASS TRANSFORMER
P6
P5
BLK
1
BLU
1
20-24 VAC
220 V
VOLTAGE SELECTOR SWITCH
ACCESSIBLE THROUGH TOP COVER HOLE
(SHOWN IN 110 V POSITION)
WHT
3
YEL
BRN
5
2
0 VAC
110 V
BLU
ORG
7
3
20-24 VAC
Note: Bypass components not present on
CP650DC models.
CP650 POWER SUPPLY WIRING
CAT.NO.776-5 (GOLD COVER)
9-14