JBL JSR 400 Service Manual ▷ View online
3 9
Dolby Pro-Logic
Ò
A/V Receiver
JSR-400
INTEGRATED CIRCUIT DIAGRAMS 4
Video PCB IC3
(TA7291S) Motor driver
REG
PROTECTOR
OUT2
GND
IN 1
V
CC
V
REF
IN 2
OUT1
V
S
3
5
1
9
2
8
2
6
M
OUT 1
H
L
L
L
IN 2
0
0
1
1
0
1
1
IN 1
0
1
0
1
1
0
1
OUT 2
L
H
L
MODE
STOP
CW/CCW
CCW/CW
CCW/CW
BRAKE
INPUT
OUTPUT
CCW: Countrer Clockwise direction
CW: Clockwise direction
Main PCB - IC2, 3 (STK4192)
2 CH HIGH POWER AMP(50W+50W)
TR11
R8
TR3
TR14
TR13 TR12
R9
R2
R11
D1
TR10
16
7
18
11
12
15
4
14
13
10
9
5
3
7
1
2
8
6
R13
R10
TR1
TR2
R1
TR4
C1
R3
TR5
R4
TR6
TR6
TR7
TR7
R6
R6
D2
R12
C2
TR15
TR16
R16
TR19
TR20
D3
R15
TR18
TR17
RF
MIX
OSC
Buffer
REG
AGC
DET
SD
ADJ.
LED
DRIVER
GND
V
CC
AM - IF
LEVEL
DIT
LEVEL
DIT
21
18
19
22
20
16
14
8
12
9
10
4
7
6
5
3
2
1
15
17
O D
POST
AMP
FM - IF
S 1-7
Tuner PCB IC3 - (LA1265) AM/FM IF
13
11
4 0
Dolby Pro-Logic
Ò
A/V Receiver
JSR-400
INTEGRATED CIRCUIT DIAGRAMS 5
L1
R1
L2
R2
L3
R3
L4
R4
LCOM1
RCOM1
L5
R5
L6
R6
LCOM2
RCOM2
L7
R7
L8
R8
LCOM3
LCOM3
LVDD
VSS
VEE
VEE
DI
RES
CL
S
CE
1
30
2
29
3
28
4
27
5
26
6
25
7
24
8
23
9
22
10
21
11
20
19
16
12
14
15
13
15
13
18
17
17
CONTROL
LEVEL SHIFT
LUCH
SHIFT RESISTOR
Main PCB - IC1 (LC7821)
FUNCTION SELECTOR
Power Supply PCB
IC5
IC6
(7806) TO220i +6V
(7815) TO220i +15V
1A REGULATORS
Power Supply PCB
IC7 (7915) TO220i -15V
1A REGULATOR
Main PCB IC4, 13
Tone PCB IC8
Video PCB IC1, 2
(NJM4558) OP AMP
1
2
3
4
8
7
6
5
A
B
-
-
+
+
B OUTPUT
A OUTPUT
B -INPUT
A -INPUT
B +INPUT
A +INPUT
-Vcc
+Vcc
Tuner PCB IC4 - (LA3410) FM IPX
15
16
14
13
12
11 10
9
1
2
3
4
5
6
7
8
A2
A1
A4
A3
DECODER
VOLT REG
A5
A6
FF
FF
STEREO
SWITCH
LAMP
TRIGGER
VCO STOP
LAMP
DRIVER
OSC
PHASE
COMPARATOR
1
1
2
2
3
3
1. INPUT
2. GROUND
3. OUTPUT
1. GROUND
2. INPUT
3. OUTPUT
4 1
Dolby Pro-Logic
Ò
A/V Receiver
JSR-400
TRANSISTOR DIAGRAMS
PNP (KRA101M)
(KRA103M)
NPN (KRC103M)
NPN (KTD1302)
(KTC3198-GR)
(KTC3192-0)
(KTC3200-GR)
PNP (KTA1266-GR)
N-FET (2SK117-GR)
B
B
E
E
D
C
C
C
C
S
E
E
B
B
G
4 2
Dolby Pro-Logic
Ò
A/V Receiver
JSR-400
JSR-400 SCHEMATIC DIAGRAM - MAIN BOARD
J
K
L
M
O
N
P
Q
R
A
B
C
D
E
G
F
H
I
13
11
12
14
14
5
7
4
6
3
2
1
10
10
13
9
9
11
12
8
8
5
7
4
6
3
2
1
A
B
C
D
E
G
F
H
I
J
K
L
M
O
N
P
Q
R
TAPE
OUT
VCR
OUT
VCR
CN1 PIN DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
STEREO
TUNED
T MUTE
DATA
CLOCK
PLL IC CHIP ENABLE
LINE MUTE
POWER RELAY
SPEAKER RELAY
VOLUME UP
VOLUME DOWN
REAR CENTER MUTE
VIDEO
VCR
DOLBY MODE
BYPASS
DOLBY IC DATA
DOLBY IC CLOCK
DOLBY IC CE
FUNCTION IC CE
GROUND
C.P.U. 5V
GROUND
R3
330
C5
100P
C6
100P
C802
100000P
R1
33D
C2
100P
R5
330
C4
100P
R2
330
R8
330
R10
330
R13
330
R15
330
C9
100P
C11
100P
C13
100P
C15
100P
C10
100P
C12
100P
C14
100P
C16
100P
R9
330
R12
330
R14
330
R16
330
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R1
R2
R3
R4
COM1
R5
R6
COM2
R7
R8
COM3
VEE
CE
DA
TA
CLOCK
L1
L2
L3
L4
COM1
L5
L6
COM2
L7
L8
COM3
VDD
RESET
S
VSS
COMP
ACT
DISK
TV
VIDEO
TAPE
VCR
TUNER
TAPE
REC
VCR
REC
IC1
LC7821
VIDEO L
GND
VIDEO R
GND
VIDEO IN
WA4
FORM CN 4
C30
47/16
R42
47
C18
0.1u
C34
22/16
R43
10K
15V
C39
4.7/50
R4
100K
15V L OUT
(BY,DOLBY)
C41
4.7/50
R46
47
C37
47/16
C904
10/16
-15V
R401
100K
R402
100K
WA3
TO CN3
R47
100K
R48
100K
1
2
3
4
8
7
6
5
IC4
NJM4558
R95
100K
C40
4.7/50
R45
47
15V
R96
47
C1
47/16
C36
47/16
C905
10/16
C3
47/16
R166
47
IC5
LC 4966
R OUT(BY,DOLBY)
R89
10K
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
Q6
KRC103M
Q7
KRC103M
Q9
KRC103M
Q8
KRC103M
0V
0V
0V
DOLBY
R50
150K
-15V
15V
R49
150K
-15V
0V
15V
15V
0V
0V
BY PASS
5V
-15V
INPUT PART
IC13
NJM4558DD
R156
47K
R154
10K
R52
47K
R157
4.7K
R159 4.7K
C140
47/16
C138
47/16
C144
0.47/50
C142
0.42/50
47K
R160
C19
10/16
C21
10/16
R25
47K
R26
47K
R18
1K
R20
1K
C33
220P
C42
220P
R501
3.3K Q22
3.3K Q22
D1302
C29
100P
C28
100/50
0
0
18
17 16
15
-1.4
0
14
-38
R30
47K
0
13
R91
33K
R87
68K
R174
10F
R400
33K
C908
0.047u
R403
10F
L2
0.7UH
R53
10F
C44
10/50
0
10
9
11
38
-38
37
12
8
7
6
5
0
-38
-37
IC3A
STK4192
0
0
2
1
3 4
-36
0
-1.4
R32
3.3K
R33
3.3K
R38
150K
1K
R39
C47
10/50
C46 10/50
R35 10K
R34 100
C22
100P
C27
100/50
R27
3.3K
R29
47K
R28
3.3K
C31 12P
C32 12P
IC3B
STK4192
R31
100
C900
0.047u
L1
0.7UH
R37
10F
C50
47/50
R40
1K
R41
3.3K
R51
3.3K
R78
75K
OV
2.2V
3V
CPU
RELA
Y
DRIVE
R310
2.2K
RY7B
2.2V
R79
10K
C26
100/35
R80
1K
15V
C20
0.1u
C35
47/16
R90
10K
TU R
R44
47
0.0047u
REAR L
REAR R
4 OHM SPEAKERS
SP4B
C916
1
2
3
4
2
3
4
C915
0.1u
2
1
1
CENTER
SP3
FU1
C914
0.1U
10K
R22
2.2V
10K
R301
26V
0V
26V
R81
101W
Q3
A1266
2.2V
0V
0V
Q12
C3198
Q11
C3198
R82
22K
0V
0V
1N4148
D4
C70
4760/10
SUB WOOFER
C913
0.1u
1
2
JACK 3
C709
1/50
C710
1/50
R170
33K
R171
33K
R173
1.8K
R172
1.8K
R93
33K
R92
33K
RY7A
C910
0.1u
C91
1
0.1u
R75
10F
R76
10F
C67
0.047u
L
G
G
R
G
G
R
1
2
3
4
2
3
4
SP4A
HEAD PHONE OUT
WA2
L
R
G
R
G
R71
56K
TO CN2
D7
1N4002
C68
33/50
WA8
1N4148
D8
R70
1.5K 1W
D20
KRU 602
AC
G
AC
G
AC
+38V
-38V
C71
100/50
C800
6800/50
C801
6800/50
Q13
C3198
L4
0.7UH
R73
10F
R74
0.27 5W
R84
18K
0
13
-38
14
C61
12P
D1
1
1N4148
R77
1K
R66
56K
R63
1K
-1.4
15
16
17
0
0
0
18
R64
3.3K
R65
3.3K
C59
47/50
R500
10K
Q10
A1266
C60
100P
IC 5V
R134
10K
R133
10K
R97
100
R130
5.6K
P01
C74
100P
Q4
C3198-GR
STEREO
TUNED
T-
MUTE
DI
CL
CE
15V
G
L-OUT
G
R-OUT
G
WA12
CN2
TO CN10
WA10
+24V
PO.RE
CPU 5V
G
IC 5V
G
+15V
-15V
R23
47K
R24
47K
+
+
+
9
9
10
10
11
11
12
12
13
14
7
7
7
8
8
6
6
6
5
5
5
5
5
4
4
4
4
4
3
3
3
3
3
2
2
2
2
2
1
1
1
1
1
25
26
23
24
21
22
19
20
9
15
16
7
17
18
8
13
14
6
11
12
5
9
10
4
7
8
3
5
6
2
3
4
1
1
2
G
1
1
1
1
1
1
3
3
3
3
3
3
2
2
2
2
2
2
4
4
4
4
4
4
R
R
R
R
R
R
L
L
L
L
L
L
AUX/TV
CD
TUNE
JACK13
JACK14
JACK15
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.
+
+
C38
4.7/50
+
REAR
G C G R G L
TO CN11
WA11
VO.UP
VO.DO
PO.IND
15V
G
-25V
REAR
G
CENTER
G
L
OUT
G
R
OUT
G
TO CN9 WA1
VIDEO
IN
G
5V
VCR
VIDEO
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
1
2
3
4
8
7
6
5
3
3
2
2
1
1
+
+
+
+
+
+
Q16
KRA101M
R146
10K
1K
R143
0V
Q20
D1302
Q19
D1302
Q17
D1302
Q18
D1302
0V
R153
47K
C143
10/16
C141
10/16 R158
12K
R151 47
R152
47
D21
R502
10K
1N4148
R147
1K
R144
1K
C52 47/50
C53
10/50
R54
100
DIGIT
A
L
GROUND
L OUT
PART DECODER
IC10
NJW1102
C130 220/10
R127 15K
C129
1800P
R123 330K
C122 4.7/50
FORM RELAY
TO
DELA
Y
R193 4.7K
C133 10/16
R192 10K
S
CEN
R131 22K
R32 10K
C134 0.1u
C136 10/16
C135 10/16
RLC5
4V
PSC4 2.7V PSC1
4V
PSC5 2.7V PSC2
4V
PSC6 2.7V PSC3
4V
DBC3
0
DBC2
4V
DBC1
4V
LPIN
4V
DBIN
4V
IREF 1.4V
VREFG
4V
VREF
4V
GND
4V L-R 4V L+R 4V
SIMA
4V
SIMB
4V SD 4V
SMR1
4V
SMRO
4V
CMC
4V
SOUT
4V ST 4V
COUT
4V CT
RLC2 4V RLC1 4V RLC4 4V RLC7 4V RLC3 4V RLC8 4V RLC6 4V LL1 4V LBPF 4V RL1 4V RBPF 4V LT 4V RT 4V LIN 4V RIN 4V HOLDC 4V VCC 12V NGC3 4V NGC2 4V NGC1 2.5V VDD 4V DA
TA
D SCK 5V REQ 5V IDS D VSS D LOUT 4V ROUT}
4V
R
OUT
C1
16
10/16
C1
15
10/16
C1
14
100000p
C1
12
0.0033u
R121 4.7M
R122 220K
R120 22K
C1
10
100/16
R1
16
47K
R1
19
22K
R1
17
15K
R1
13
47K
R1
14
15K
C105 0.1u
C101 680P
C99 0.022u
C100 0.1u
C107 10/16
C106 0.1u
C108 10/16
C103 0.1U
C109 10/16
C
111
47/16
C1
13
22/16
R1
15
7.5K
R1
18
7.5K
C102 0.1u
C104 680P
C95 0.1u
C98 0.022u
C94 0.047u
C97 0.1u
C95 0.047u
4V
D19
1N4148
R17
2.2K
R19
2.2K
L INPUT
R INPUT
VCC
15V
D6
1N4148
C902
100000p R11
47
5V
VDD
D9
1N4148
R102
43K
R99
10K
C77
100000p
6V
R98
56
C78
47/16
R100
15K
C80
0.0022p
DELAY IN
C85
47/16
R103
R103
22
C79
560p
C86
5600P
R107
20K
R106
10K
C87
560p
R105
15K
C84
0.1u
C706
10/16
R104 22
C81 0.1u
C82 0.047u
C83 0.047u
R108
47
C88
47/16
C912 0.1u
X1
2MHZ
R109
1M
C89 33P
C90 33P
C93 100P
C91 100P
C92 100P
R1
12
1K
R
111
1K
R1
10
1K
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
DELAY OUT
IC11
NJU9702D
VCC 5.3V L1IN 2.7V
L1OUT
2.7V
01OUT
2.7V 01IN 2.7V REF 2.7V CC1 0.6V CC2 0.6V
01IN2.7V
02OUT
2.7V L2IN 2.7V
2.7V
L2OUT
VDD 6V XIN 2.5V XOUT 2.7V REQ 5V SCK 5V DA
TA
0 IDSW 0 IG 0 T1 0 T2 0 DG 0 AG 0
JSR-400 MAIN BOARD SCHEMATIC DIAGRAM
+
R56
1K
C56
470p
C25
10/16
C57
470p
R60
56K
C51
100p
R61
56K
R57
1K
C48
10/16
C65
100/50
R69
3.9K
C64
100/50
R68
3.9K
R67
56K
C63
12P
R58
3.3K
R55
3.3K
R59
100
R62
1K
C54
47/50
0
0
1
2
3 4
5
6 7
8
9
0
10
10
11
38
37
12
-37
-38
-38
-1.4
0
0
IC2A
STK4192
C55
10/50
D10
1N4148
R83
18K
Q5
C3198
R139
1K
R136
0.275W
1N4148
D14
L3
0.7UH
C58
10/50
C66
0.047u
D13
1N4148
R72
10F
Q2
KRC103M
Q1
C3227 0.8V
0.7V
1.4
D18
1N4148
C96
1/50
R150
470
0V
2.4V
2.4V
2.4V
R149
470
1K
R148
Q21
KRA101M
Q15
KRA101M
0V
0V
0V
0V
2.4V
0V
0V
0V
0V
R145
470
0V
0V
0.7V
0.7V
0V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
C1
17
0.1u
C1
18
0.22u
C1
19
0.22u
C123 4.7/50
C120 0.22u
C124 0.068u
C121 0.22u
C126 5600P
C125 0.047u
R124 22K
R125 15K
C128
470P
R128 110K
JSR-400 PAGE 42 - 1 of 4
JSR-400 PAGE 42 - 3 of 4
JSR-400 PAGE 42 - 2 of 4
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