Read JBL ARC CINEMA II Service Manual online
10
13
9
11
12
8
7
6
J
K
L
M
O
N
P
Q
R
I
47/16
C46
C45
47/16
R59
47
R58
47
+
+
+
+
+
+
+
+
+
5
5
9
4
4
8
3
3
3
7
2
2
2
6
1
1
1
BEFORE RETURNING THE RECEIVER TO THE CUSTOMER
LEAKAGE CURRENT OR RESISTANCE MEASUREMENTS
SHOULD BE PERFORMED TO DETERMINE THAT EXPOSED PARTS
ARE PROPERLY INSULATED FROM THE SUPPLY CIRCUIT.
CAUTION TO THE SERVICE TECHNICIANS
1.25A/250V
1. ALL RESISTANCE VALUES ARE IN .
K -1000W. M -1000K .
2. THE WATTAGE OF RESISTORS IS 1/4W, 1/8W UNLESS OTHERWISE NOTED.
3. ALL CAPACITANCES VALUES ARE IN uF UNLESS OTHERWISE NOTED. P=uuF
W
W
W
W
*NOTE
CAUTION THE PARTS IDENTIFIED WITH THE IEC SYMBOL
MARKS ARE CRITICAL FOR SAFETY. REPLACE ONLY WITH
TYPE IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT OR SPECIFIED
IN THE “PARTLIST” DO NOT DEGRADE THE SAFETY OF THE APPLIANCE
THROUGH IMPROPER SERVICING.
JSR-400 POWER BOARD SCHEMATIC DIAGRAM
1.25A/250V
TO CONTROL
TO WA10
TO WA2
HEADPHONE PART
R83
330
C82
100P
CN10
TO MAIN
VIDEO L
GND SIG.
VIDEO R
VIDEO GND
VIDEO SIG.
L
R
6
5
4
3
2
1
CN5
R82
75
C80
33/16
C83
100P
R84
330
R53
680(1W)
VIDEO
JA1
VIDEO
C81
0.1u
C84
0.1u
L
G
R
R
JACK 3
R52
680
1W
C77
0.1u
CN11
+24V
POWER RELAY
GROUND CPU 5V
G
G
G
IC VCC
G
+ 15V
- 15V
1
3
2
VR1D
50KA
C5
4.7/50
R7
47K
1
2
3
4
R18
470
C15
4.7/50
R55
47
C
4
47
/
-15V
R13
1K
R16
47K
R11
8.2K
C9
100P
BALANCE
TONE PART
1
2
3
4
8
7
6
5
IC8
JRC4558DD
TREBLE
C61
332M
R73
2.2K
15V
3
1
2
C49
68P
C64
183M
R79
820
VR3A
100K*2
R72
1K
BASS
R65
3.9K
R66
100K
R63
22K
C48
823M
1
3
2
C52
153M
100*2
VR2A
C54
22/16
R71
100K
R67
100K
C60
100P
C59
4.7/50
R
INPUT
C56
4.7/50
4
4
5
5
6
6
100K*2
VR2B
100K*2
VR3B
C55
68P
R61
100K
R60
22K
C53
823M
C47
153M
R77
820
C63
183M
R70
2.2K
C58
332M
R75
100K
L
OUT
C62
4.7/50
R68
3.9K
C57
22/16
C51
4.7/50
C50
100P
R62
100K
L INPUT
R OUT
R74
1K
JSR-400 PAGE 44 - 4 of 4
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