JBL JSR 400 Service Manual ▷ View online
4 3
Dolby Pro-Logic
Ò
A/V Receiver
JSR-400
JSR-400 SCHEMATIC DIAGRAM - CONTROL BOARD
H
G
F
F
G
H
E
D
C
B
A
A
B
C
D
E
J
I
L
M
K
O
O
P
P
L
M
I
J
K
1
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
SEG01 SEG02
/K56
SEG03
/K55
SEG04
/K54
SEG05
/K53
SEG06
/K52
SEG07
/K51
SEG09 SEG10 SEG1
1
SEG12 SEG13 SEG14 SEG15 SEG16 GRID08 GRID07 GRID06 GRID05 GRID04 GRID03 GRID02 GRID01 -27V OPTION
0
OPTION
1
OPTION
2
REMOCON NC +5V
POWER
OFF
SEG08
/KS01
102
GND X-T
AL
X-T
AL
RESET OPTION T-MUTE 7821
CE REQ
1102
SCK
1102
DA
TA
BY=P
ASS
DOLBY
KR03 KR02 KR01 KR00 VCR VIDEO
R/C
MUTE PO.IND VOL.DN VOL.UP
SP
FRONT
POWER
ON
A-MUTE PLL
CE
P/F
CL
P/F
DI NC +5V
TUNED STEREO
IC1
CXP82712
R20
R19
R18
R25
R24
100K
100K
100K
100K
100K
SW39
VCR
SW32
HALL
SW42
AUTO
SW37
CD
SW40
VIDEO
SW35
BYPASS
SW38
TAPE
SW30
PROLOGIC
SW33
CENTER
SW29
SPEAKER
OFF
SW36
TUNER
SW44
TUNING UP
SW31
3 STEREO
SW34
TEST TONE
SW19
POWER ON/OFF
SW41
AUX
SW43
TUNING DOWN
SEG16 SEG15 SEG14 SEG13 SEG12 SEG1
1
SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1
GRID08 GRID07 GRID06 GRID05 GRID04 GRID03 GRID02 GRID01
AC AC
AC AC
V.F.D.
F L T 1
RMC OPTION
1N4148 1N4148 1N4148 1N4148 1N4148 1N4148
D1
10
D109 D108 D107 D106 D105
KR0
KR1
KR2
KR3
KS6
KS5
KS4
KS3
KS2
CN101
CN102
CN26
HOLD
-27V
GND
AC5V
AC5V
1
25
26
25
2
23
23
24
3
21
21
22
4
19
19
20
5
17
15
15
16
17
18
13
14
11
12
9
10
7
8
5
6
3
4
1
2
GND
VCC +5V
OPTION
NJW1102 REQ
NJW1102 SCK
NJW1102 DATA
LC4966 BY-PASS
LC4966 DOLBY
GD4066 VCR
GD4066 VIDEO
REAR/CEN.MUTE
VOL.DOWN
VOL.UP
SP FRONT
POWER ON
A-MUTE
PLL CE
LC7821 CL PLL CLOCK
LC7821 DI PLL DATA
T-MUTE
TUNED
STEREO
C8
330P
C7
330P
C6
330P
R2
R3
R4
R5
47K
47K
47K
47K
R7 4.7(1/4W)
R10
10,1/4W
J44
56K
J43
56K
J40
J41
TUNER OPTION
D102
1N4148
D8
1N4148
D10
1N4148
D1
11
1N4148
TUNER OPTION
J41(JUMPER), J43(56K) : KOREA
J40(JUMPER), J41(JUMPER) : USA
Q1
KTC3198
R22 47K
R9 1M
+
+
+
+
+
C5
0.22/50
C2
47/16
C1
1
0.047F
C1
0.47/50
C4
0.22/50
R1
1K
C10 0.022u
C25
0.1u
R23
220
G B +OUT
RMC1
GND
C12
0.1u
C24
0.1u
5.6V
R16
10K
R15
10K
R14
10K
C22
0.1u
R21
220
1/4
X1
10MHz
LED1
R6
1M
JSR-400 PAGE 43 - 1 of 2
JSR-400 PAGE 43 - 2 of 2
4 4
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
4 5
Dolby Pro-Logic
Ò
A/V Receiver
JSR400
JSR-400 SCHEMATIC DIAGRAM - TUNER BOARD
H
G
F
F
G
H
E
D
C
B
A
A
B
C
D
E
J
I
L
M
K
O
O
P
P
L
M
I
J
K
1
ANT1
FM
AM
1
2
FM
FM
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
JSR-400 TUNER BOARD SCHEMATIC DIAGRAM
1
1
2
2
3 4 5 6 7 8 9 10
12
11
R407
3.3K
C430
2.2/50
C418
2.2/50
C414
680p
C417
2.2/50
R408
3.3K
C431
2.2/50
R403
5.6K
R404
5.6K
R416
100K
R419
100
C403
0.047u
R405
1.8K
R406
1.8K
Q401
KTC3198
Q403
KRA101M
R418
100
C405
2.2/50
R411
10K
F401 ZTB456F1
1
C402
0.47/50
C404
3.3/50
R401
1K
T2 AM IF T
F202
LPU450B
R31
1
1K
R312 68K
R304
10K
C303 0.022u
C308 0.022u
FM ADJ.
C322
0.15u
D303 1N4148
C316
0.022u
R308 2.2K
R314 22K
10K
VR302
C312 0.022u
C21
3.3/50
C314 4.7/50
C313 10/16
R305
10K
VR301
10K
R441
22 1/4
L202
3.3uH
R556
470
R557
470
R558
470
C204
22p
C203
22p
X2
7.2MHz
IC2 LM7001
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
R444
10K
C441
0.47/50
C437
0.022u
B02
12V
B01
B01
DATA
CL
CE
XIN
2.2V
XOUT
2.2V
B03
0.4V
AM IN
1V
FM IN
1V
5.6K
VDD
5.6K
2.5V
2.5V
PD
2.5V
GND
GND
C302 0.022u
C104 0.022u
C103 47/16
R14
100 1/4
R417 220 1/4
R203
3.3K
Q202
2SK-246Y
ZD401 MTZJ5.6B
C422 0.022u
C421 47/16
R206
330
R207
220
Q201
KTC3200
R205
330
R204
220
R202
1K
C202
1/50
R201
10K
D1
1N4148
D2
1N4148
T1
AM ANT
CT1
20p
C438
STY470p
C39
0.01u
CT2
20p
VC2
SVC321
VC1
SVC321
5
4
8
R100
100 1/4
R564
330
R301 47K
R302 47K
C450
0.022u
PACK1
ANT
ANT
FM FRONT END
IF OUT
GND
B+
GND
OSC
VT
7
3
6
6
C452
0.1u
47(1/4)
R565
C428
47/50
R101
100
Q103
KRA101M
T6
AM OSC
R102
1.2K
F101
10.7MHz
R103
2.2K
R107
3.9K
Q101
KTC3192
R104
330
R105
120
R106
390
R562
220
F102
10.7MHz
Q102
KTC3192
C434
0.022u
C436
0.022u
R333
330
Q302
KRA101M
R318
220 1/4
T4 FM DET
R315 5.6K
R316
3.3K
R317
1K
3
2
1
4
5
C323 0.047u
C323 0.047u
C318
0.022u
C317
47/16
R313
56
F3
LZU450C4N
D402
1N4148
D302
1N4148
WA2
C23
3.3/50
R307
1K
C412
10/16
R413
100K
R412
100 1/4
VR401
220K
R438
39K
C401
10/16 C413
680p
R414
120K
R415
120K
R306
27K
12 13 14 15 16 17 18 19 20 21 22
11 10 9 8 7 6 5 4 3 2 1
LA1265
IC3
AM
OUT
15V
0.7V
SD.ADJ 2.2V
2.2V
AGC 1.5V
0V
0V
AM
INPUT
2.1V
3.8V
OSC 3.8V BUFFER 2.6V
1.2V
FM
OUT 4.7V
4.2V
TU-IND
0V
VCC 7.8V
7.6V
7.6V
GND
2.2V
2.2V
FM
IF
IN
2.2V
C201
0.001u
C419
47/16
C416 0.022U
IC4
LA3410
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
VCC 12V
INPUT
3.0V
3.0V
3.0V
L-OUT
3.0V
3.0V
R-OUT
3.0V
GND
OSC
2.7V
2.7V
PLL
IN
2.7V SP
ADJ.
3.0V
2.7V
2.7V
ST
.IND
5V
JSR-400 PAGE 45 - 1 of 2
JSR-400 PAGE 45 - 2 of 2
5
7
4
6
3
2
1
8
A
B
C
D
E
G
F
H
I
J
TAPE
OUT
VCR
OUT
VCR
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
15V
C20
0.1u
C35
47/16
R90
10K
TU R
R44
47
CN2
TO CN10
WA10
+24V
PO.RE
CPU 5V
G
IC 5V
G
+15
-
R23
47K
R24
47K
+
+
+
9
10
11
12
13
14
7
8
6
5
5
5
4
4
4
3
3
3
2
2
2
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
+
+
C38
4.7/50
+
VO.UP
VO.DO
PO.IND
15V
G
-25V
REAR
G
CENTER
G
L
OUT
G
R
OUT
G
TO CN9 WA
G
5V
VCR
VIDEO
+
+
+
+
+
+
+
JSR-400 PAGE 42 - 1 of 4
Click on the first or last page to see other JSR 400 service manuals if exist.