Read JBL ARC CINEMA II Service Manual online
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Dolby Pro-Logic
Ò
A/V Receiver
JSR-400
JSR-400 SCHEMATIC DIAGRAM - POWER SUPPLY/VIDEO/TONE/HEADPHONE/VOLUME PCB’s
5
7
4
6
3
2
1
10
10
13
13
9
9
11
11
12
12
8
8
5
7
4
6
3
2
1
A
B
C
D
E
G
F
H
I
J
J
K
K
L
L
M
M
O
O
N
N
P
P
Q
Q
R
R
A
B
C
D
E
G
F
H
I
47/16
C46
47/16
C46
C45
47/16
C45
47/16
R59
47
R59 47
R58
47
R58
47
14
13
12
11
10
9
8
1
2
3
4
5
6
7
VDD
EO
E3
Y3
Z3
Z2
Y2
Y0
Z0
Z1
Y1
E1
E2
VEE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
5
5
5
5
5
5
10
9
9
14
4
4
4
4
4
4
4
8
8
8
13
3
3
3
3
3
3
3
3
3
3
3
7
7
7
12
2
2
2
2
2
2
2
2
2
2
2
2
2
6
6
6
11
1
1
1
1
1
1
1
1
1
1
1
1
1
5
5
4
4
4
3
3
3
3
3
2
2
2
2
2
2
2
1
1
1
1
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
I
I
I
I
G
G
G
G
0
0
0
0
1
1
1
1
2
2
2
2
3
3
3
3
VCR IN
VCR REC
MONITOR
JACK2A
THER. FUSE
POWER TRANSFORMER
POWER SUPPLY PART
TO CONTROL
TO WA11
VOLUME PART
TO WA3
TO WA9
VIDEO PART
TO WA10
TO WA2
HEADPHONE PART
TO CPU
R40
1K 4.5V
0V
0V
Q7
KTC3198
RY1B
D11
1N4148
R
Y1A
C35
472P/400V
R3B
10/1W
D7
1N4148
R44
1K
D4
1N4148
R45
1K
C26
22/16
C25
22/16
12V
6V
IC5
7B06
5.1B
DZ3
R39
10/1W
C36
470/25V
SUB
TRANS
TRAN 1
C88
0.1/275V
C32
100000P
FU3
315MA/250V
C33
100000P
D10
1N4002L
D8
1N4002L
D9
1N4002L
CN99
WA3
WA4
CN100
CN88
CORD1
120V/60Hz
TO WA8
WA5
CN11
R41
3.3M/0.5W
USE ONLY UL
CN77
WA2
VKK
FLT
FU1
1.6A/250V
FU2
FU2
1.6A/250V
R42
330
R43
100K
DZ1
27B
D3
1N4002L
C27
47/35V
D19
1N4002L
C39
2200/25V
D2
1N4002L
C28
47/35V
C29
47/35V
DZ2
126
R80
220
C34
0.1u
-25V
-15V
IC7
7915
C42
22/16
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
D5
1N4002L
IC9
7806
D6
1N4002L
D17
1N4002L
IC6
7815
C41
22
16
15V
25V
20V
20V
R46
10(1W)
R47
10(1W)
C40
2200/25V
D20
1N4002L
D18
1N4002L
WA1
HOLD 5V
-27V
G
AC 5V
AC 5V
AC 5V
CN11
+24V
POWER RELAY
GROUND CPU 5V
G
G
G
IC VCC
G
+ 15V
- 15V
6V
24V
C31
220/25
R81
10 1W
C78
10/50
C79 22/16
FU4
5A/250V
CN9
6V
G
VCR CPU
VIDEO CPU
VIDEO IN
3V
6V
R30
12K
R25
1M
Q6
2SK117
R1
100K
C89
0.1u
R20
100K
IC4
LC
4966
R35
12K
R33
150
R34
1.2K
R32
8.2K
Q3 KTC3198-GR
R29
150
R31
8.2K
R36
1.2K
2.5V
C22
100/10
R37
180
C24
1P
R23
75
C19
470/10
Q5
KTA1266
R28
180
1
2
C84
100000P
1
3
2
4
R22
75
R21
75
C18
470/10
C17
33/16
Q4
KTA1266
4.1V
5.4V
C23
1P R26
1.2K
R27
1.2K
Q2 KTC3198-GR
CN4
VO UP
VO DO
VO DO
15V
G
-15V
REAR
5V
CENTER
G
R
G
L
G
G
-15V
REAR
5V
CENTER
G
R
G
L
G
1
1
1
1
3
3
3
3
2
2
2
2
VR1D
50KA
VR1C
50KA
VR1B
50KA
C5
4.7/50
C6
4.7/50
C7
4.7/50
R7
47K
R6
47K
R8
47K
VR1
50KA
R9
100K
C8
4.7/50
C10
100P
R10
8.2K
C12
47/16
IC1
NJM4558DD
1
2
3
4
8
7
6
5
R17
47K
R18
470
C15
4.7/50
15V
R57
47
R54
47
R56
47
R19
470
R55
47
R12
1K
C11
47/16
C14
4.7/50
C43
47/16
C44 47/16
-15V
R13
1K
R16
47K
R11
8.2K
C9
100P
8
7
6
5
1
2
3
4
IC2
NJM4558DD
R14
100K
R15
100K
C13
4.7/50
C16
4.7/50
C2
100/10V
R4
5.6K
R2
4.7
15V
VR1
1
2
3
4
5
6
7
8
9
R3
10K
R51
100
IC3
TA72915
MOTOR
C1
100/10V
IN1 0V VCC 18.8V OUT1 11
V
NC 0V GND 0V VS 14.8V OUT2 11
V
VREF 5.4V IN2
0
V
C3
47/16
C4
47/16
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
4
5
6
3
2
1
VR4B
100KMN*2
VR4A
100KMN*2
CN6
WA6
-15V
15V
L G R
L G R
-15V 15V
WA7
CN7
L
G
R
L
G
R
CN3
REAR
G
CENTER
G
R
G
L
NC
JSR-400 PAGE 44 - 1 of 4
JSR-400 PAGE 44 - 3 of 4
JSR-400 PAGE 44 - 2 of 4
JSR-400 PAGE 44 - 4 of 4
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