Receiver - JBL JSR-400 Service Manual

Dolby Pro-Logic Ò A/V Receiver
A B C
JSR-400 PAGE 42 - 1 of 4
1
R3
330
L
1
C5
100P
AUX/TV
3
C6
100P
R
2
R5
2
330
JACK13
C802
4 R1
100000P
33D
L
1
C2
100P
CD
3
C4
100P
R
3
2
R2
330
4
R8
JACK14
330
L
1
C9
100P
TUNE
3
4
R9 C10
330 100P
R
2
4
R10
330
L
1
C11
TAPE
5 100P
OUT
3
R12
C12
330
100P
R
2
4
R13
330
L
1
6
C13
100P
VCR
3
R14 C14
330
100P
R
2
JACK15
4 R15
7 330
L
1
R23
C15
47K
VCR 100P
3
OUT
R24
R16 C16
47K
330 100P
R
2
8
4
9
10
DELAY IN
C85
47/16
C80
11
R100
0.0022p
R103
15K
22
R102
43K C79
R99
560p
10K
6V
R98
C77
56
C78 100000p
47/16
12
IC11
NJU9702D
C88
47/16
R108
47
X1
CAUTION TO THE SERVICE TECHNICIANS
13
2MHZ
BEFORE RETURNING THE RECEIVER TO THE CUSTOMER
LEAKAGE CURRENT OR RESISTANCE MEASUREMENTS
SHOULD BE PERFORMED TO DETERMINE THAT EXPOSED PARTS
R109
ARE PROPERLY INSULATED FROM THE SUPPLY CIRCUIT.
1.25A/250V 1M
*NOTE
1. ALL RESISTANCE VALUES ARE IN W .
W W W
K -1000W. M -1000K .
2. THE WATTAGE OF RESISTORS IS 1/4W, 1/8W UNLESS OTHERWISE NOTED.
14 3. ALL CAPACITANCES VALUES ARE IN uF UNLESS OTHERWISE NOTED. P=uuF
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 PAGE 42 - 3 of 4
A B C
JSR-400 SCHEMATIC DIAGRAM - MAIN BOARD
D E F G
R96 15V
47
R45
47
C36
47/16
C1 R95
47/16 100K
C40
4.7/50
WA4 C38
VIDEO L 4.7/50
1
+
GND
2
VIDEO R
R47
3
IC4
100K
GND
4 NJM4558
VIDEO IN
5
R48
100K
FORM CN 4
+
C30 C39
R42
4.7/50
47/16 15V C41
47 C37
4.7/50
R4
47/16
C18
R46
100K
0.1u R43 47
10K
C34
22/16
L OUT
C904
(BY,DOLBY)
10/16
IC1
IC5
LC7821
LC 4966
R89
10K R OUT(BY,DOLBY)
TU R
R90
R44 10K
47
C20
0.1u C35
Q9
5V
47/16 KRC103M
Q7
15V
15V KRC103M
-15V
0V
0V
R49
BY PASS 0V
150K
-15V
15V
Q6
KRC103M
Q8
0V
R50
KRC103M
150K
0V
-15V 15V
0V
DOLBY
INPUT PART
FORM RELAY
C129
1800P
C128
470P
C86
5600P
R107
R105
20K
15K
C84
IC10
0.1u R106 PART DECODER
10K
NJW1102
C706
C87
10/16
560p
+
DELAY OUT
4V
R19
L INPUT
2.2K
R INPUT
R17
2.2K D6
D19 VCC 1N4148
1N4148 15V
D E F G
H I J K
TO CN3
TO CN9
WA1
WA3
C142
0.42/50
R156
47K
C140
47/16
R152
47
R52
47K
R402
100K
R157
4.7K
R401
100K +
C141
10/16 R158
12K
-15V
C143
10/16
R166
47
C3
47/16
CN2
C905
10/16
1
2
3 TO CN10
4
WA10
5
6
+24V
7 1
8 PO.RE
2
9
10
CPU 5V
11 3
12 G
13
4
14
G
15 5
16
IC 5V
6
17
18
G
19 7
20
+15V
21 8
22
9
23
24 -15V
25
26
S
WA12
IC 5V
R130
5.6K
C74
100P
P01
L OUT
C902
R11
100000p
47
D9
1N4148
5V
VDD
JSR-400 MAIN BOARD SCHEMATIC DIAGRAM
H I J K
L M N
47K
R160
R154
10K C144
0.47/50
0
1
12
IC3A
C22
STK4192
IC13
100P
NJM4558DD
0
-36
2
5
3 4
-1.4
C138 0
47/16 C19
R18 C27 R32
10/16
1K
+ 100/50 3.3K
R33
C21 R25 R27
R20 3.3K
10/16
47K 3.3K
1K
+
R26
47K R29
C33
47K
R153
+
220P C42
47K
220P
R28
C31 12P
3.3K
C28
100/50
0
18
R501
IC3B
C29
STK4192
3.3K
100P
Q22
0
D1302 17
16
D21 R502
0
10K
1N4148
R41
3.3K
R150 R149
R145
R51
470 470
470
3.3K
Q21
KRA101M
0V
2.4V
2.4V
2.4V
OV
2.4V
R146
Q15
10K
KRA101M
Q16
0V
KRA101M
0V 0V
0V 0V 0V
0V R310
Q19
Q20
Q17 Q18 2.2K
1K
D1302 D1302
TO CN11 D1302 D1302
R148
0V
WA11 0V
1K
R147 R144
0.7V R143
0V 1K 0V 1K
0V
0.7V 0V
G C G R G L
100/35
C53
+
10/50 D13
R56 1N4148
C25
R54
1K 10/16
100
R60
C56 56K
470p 37 R136
0
0.275W
1 12 38
IC2A 11
0
R139
C51 STK4192 9
-37
10 1K
100p 8
0 6 7 -38
2 5 -38
C58
3 4 0
10/50
-1.4
0 R62
1K
C57 R59
Q5
470p 100
R61 C3198
R55
56K + R83
3.3K
C48
R57 18K
10/16 C54 C55
1K
R58 D10
47/50 10/50
3.3K 1N4148
C65
100/50
R67
56K
R69
3.9K
C63
12P
C61
12P
C64
R68 R66
100/50
3.9K 56K
0
18
0
C60
14
R77
100P 13
0
15 1K
-38
17
16
-1.4
0
R63
1K
R64
3.3K
R500
R134
10K +
10K
Q10
A1266 C59
Q4
47/50
R65
C3198-GR
3.3K
R133
10K
R97
100
L M N
JSR-400
O P Q R
JSR-400 PAGE 42 - 2 of 4
1
R31 2
100
L2
C44
0.7UH
37
10/50
38
R53
11 10F
0
REAR L
9
-37 10 1
8
7
-38 R403
6
-38 2
4 OHM SPEAKERS
10F
0
3
3
1K
C908 REAR R
4
R39
0.047u
SP4B
C47
R400
R38 10/50
33K
150K
R87
68K
4
R174 CN1 PIN DESCRIPTION
C32 12P 10F
1 STEREO
C900
2 TUNED
0.047u 3
T MUTE
4 DATA
R30 L1
5 CLOCK
47K 0.7UH
6 PLL IC CHIP ENABLE
CENTER
7
LINE MUTE
R37 SP3
8
0 10F FU1 POWER RELAY
9
14 SPEAKER RELAY
13 2 5
10 VOLUME UP
15
-38
1 11 VOLUME DOWN
-1.4 R91 12
33K 13
REAR CENTER MUTE
R40
14
VIDEO
C50
1K
15
VCR
47/50
16
DOLBY MODE
17
BYPASS
18
DOLBY IC DATA
19
DOLBY IC CLOCK
20
DOLBY IC CE
21
FUNCTION IC CE
6
22
23
24
Q3 GROUND
25
A1266
C.P.U. 5V
26
0V GROUND
26V
10K
R81
R78
26V
101W R22
R301
75K
10K
2.2V
Q11
2.2V
1N4148
Q2
C3198
KRC103M D4
RY7B 7
0V Q12
3V
C3198 2.2V
0V
2.2V
Q1
R80 C3227 0.8V
0V
1K
0V
R79
0.7V
1.4 R82
C26
10K
22K
C96
1/50
D18 C70
4760/10
1N4148
R93
8
33K
R72
10F
C709
+
1/50
R92 R170
JACK 3
33K
33K
C710
R171
L3 1/50
C66
33K 1
0.7UH +
0.047u
2
1N4148
SUB WOOFER
R173
D14
9
R75 1.8K
R172
10F
1.8K
RY7A
R76
10F
L
1
C67
G
0.047u 2
R73 10
G
10F 3
R
4
SP4A
L4
0.7UH
R84
WA2
18K
HEAD PHONE OUT L
1
R
Q13 2
G
C3198 11
3 TO CN2
R71
56K
R74
0.27 5W
1N4148
C68
D8
C71
33/50
100/50
R70
1.5K 1W
D7 12
1N4002
D20
KRU 602
+38V WA8
C800
1 AC
6800/50
2 G
C801
3
AC
6800/50
-38V
13
14
JSR-400 PAGE 42 - 4 of 4
O P Q R
4 2