Sony CX-JTV8 / JAX-TV8 Service Manual ▷ View online
CX-JTV8
41
41
JW540
C37
C41
C34
C529
RY501
CN501
CN502
C11
C12
JW544
JW571
JW577
JW578
JW579
JW580
JW581
JW585
JW586
JW28
JW29
JW30
JW34
JW38
JW39
JW40
JW41
JW43
JW53
JW58
JW59
JW587
C14
C22
C23
C24
C531
Q535
Q533
Q534
JW545
Q18
Q19
L501
JW47
Q512
Q514
C512
R502
R504
C511
Q511
Q513
R501
C514
C518
C522
C521
C513
C517
C33
EP501
JW511
JW514
JW521
JW523
JW528
JW532
JW525
JW527
JW531
D41
JW42
JW583
JW584
JW56
JW57
JW529
JW524
JW530
JW512
JW574
JW573
D506
L502
EP502
JW9
R570
R571
JW15
JW10
JW45
JW538
JW537
JW539
JW14
JW18
JW25
JW26
JW60
JW61
JW62
JW63
JW555
JW64
D42
JW519
JW526
JW517
JW588
JW546
CN1
EP01
JW575
JW52
JW37
JW36
JW44
C18
C19
JW33
JW35
JW54
JW31
JW55
JW32
R595
R597
JW513
R596
R598
JW534
JW3
JW547
JW549
JW548
JW65
JW68
JW69
JW72
JW73
JW74
JW75
JW589
JW591
JW594
JW595
JW533
JW542
JW554
JW535
JW536
JW550
JW582
JW590
JW556
JW522
JW67
JW66
JW71
JW70
JW20
C540
JW23
JW76
JW77
JW515
JW541
JW543
JW592
JW593
D2
JW27
JW21
JW24
JW50
D1
JW78
R55
R81
D505
R538
R537
JW520
JW46
JW2
JW1
R56
JW17
R92
R95
R86
R99
JW516
JW51
JW48
Q504
Q502
Q503
Q501
Q527
C530
R561
R562
R592
R576
R575
R577
R566
R1
C5
C6
C7
JR514
JR516
R32
R34
R35
R36
R33
R37
D16
D17
D12
D13
Q8
R17
R21
R16
R20
R6
R7
R8
R9
R10
R19
R22
Q9
R23
R11
R12
R14
R18
R4
Q7
R40 R38
Q536
R581
R563
R564
R567
R568
R580
R83
R58
R78
Q17
R72
R79
TH502
R516
C504 R524
R522
R518
R520
Q516
R526
R528
C506
C508
Q520
Q524
Q518
Q522
R534
R536
C510
R532
R530
D502
D504
R542
R544
R546
C503
C505
C507
C509
D503
D501
Q515
Q519
Q523
Q517
Q521
R515
R523
R521
R517
R519
R525
R527
R533
R535
R531
R529
R541
R543
R545
TH501
R505
R507
R509
C501
Q505
R511
R513
R506
R508
Q506
C502
R510
R512
R514
Q10
Q11
D509
R52 R51
R50
C25
Q12
Q13
C26
D20
R46
R49
R48
R47
D19
D18
R550
R554
R556
C520
R560
Q526
R558
C538
D510
R540
R559
Q525
R549
C519
R555
R553
C35
C36
Q20
R82
R85
R76
Q21
R93
R91
R71
Q22
R60
C42
Q23
R59
Q24
C43
R70
R75
R94
R96
R54
R41
R77
R69
C40
R53
R43
R26
R27
C45
R42
C30
R64
R62
R98
C31
R61
R63
R97
C523
JR511
JR512
R65
R66
R67
R68
R73
D39
D40
R13
D11
D511
D24
D513
R569
R591
D514
R90
R548
D508
Q510
D507
R539
R547
R557
Q509
Q507
R45
Q508
D31
D32
D37
D38
D30
D29
D23
D36
D25
D33
D34
D35
D515
C535
C527
C597
C532
C533
C525
C534
C524
C526
R103
R104
R105
R106
R107
R108
R109
R110
R29
R100
R31
R586
R574
R578
R102
R44
R74
JR513
R573
R579
R572
R582
R587
JR517
R28
R39
C542
C544
C541
C543
Q529
Q532
R588
R599
R500
Q530
R601
R602
R603
R604
R593
R589
JR2
Q5
Q6
JR501
C8
R594
R503
RY502
JW16
D512
C15
JW552
JW551
E
E
E
E
C
B
E
E
C
B
E
E
E
C
B
E
E
E
E
E
E
C
B
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
POWER BOARD
1-688-959-
11
(11)
12
1
TRANSFORMER
BOARD
CN902
H
A
K
K
A
K
K
(CHASSIS)
4
1
E
E
E
4
1
13
1
MAIN BOARD
CN307
G
13
1
C
MAIN BOARD
CN306
E
K
A
A
A
K
K
S
D
G
S
D
G
A
A
K
E
E
A
A
K
K
K
A
A
A
K
A
A
K
K
K
A
E
K
K
A
(CHASSIS)
K
K
K
A
A
A
-1
-2
-1
-2
+
–
+
–
R
L
+
–
+
–
R
L
JK503
SURROUND
SPEAKER
FRONT
SPEAKER
(CHASSIS)
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
6-18. PRINTED WIRING BOARD – POWER Board –
•
See page 27 for Circuit Boards Location.
:Uses unleaded solder.
D1
D-3
D2
B-3
D11
D-5
D12
D-4
D13
D-4
D16
D-1
D17
D-1
D18
H-9
D19
H-9
D20
I-8
D23
F-8
D24
D-7
D25
E-8
D29
F-8
D30
F-7
D31
F-8
D32
F-8
D33
E-8
D34
E-8
D35
E-8
D36
E-8
D37
F-8
D38
F-8
D39
D-6
D40
D-6
D41
E-8
D42
D-8
D501
F-8
D502
H-8
D503
G-8
D504
H-8
D505
G-8
D506
H-8
D507
G-8
D508
I-8
D509
G-9
D510
H-7
D511
D-8
D512
A-9
D513
B-7
D514
D-4
D515
B-3
Q5
D-4
Q6
D-4
Q7
D-5
Q8
D-5
Q9
D-5
Q10
H-9
Q11
H-9
Q12
I-9
Q13
I-8
Q17
D-8
Q18
D-7
Q19
D-8
Q20
F-8
Q21
F-7
Q22
E-8
Q23
F-8
Q24
F-8
Q501
E-9
Q502
G-9
Q503
F-9
Q504
H-9
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
Q505
D-9
Q506
F-9
Q507
E-9
Q508
G-9
Q509
E-9
Q510
G-9
Q511
G-8
Q512
H-8
Q513
G-8
Q514
I-9
Q515
G-8
Q516
H-8
Q517
G-8
Q518
H-8
Q519
G-8
Q520
H-8
Q521
G-8
Q522
H-8
Q523
G-8
Q524
H-8
Q525
G-8
Q526
H-7
Q527
D-7
Q529
B-8
Q530
C-6
Q532
B-8
Q533
B-3
Q534
A-4
Q535
B-4
Q536
B-4
(Page 35)
(Page 35)
(Page 48)
CX-JTV8
42
42
6-19. SCHEMATIC DIAGRAM – POWER Board (1/2) –
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TUNER (FM/AM)
no mark : TUNER (FM/AM)
R110
R109
R108
R107
R106
R105
R104
R103
EP01
R12
R14
R13
R563
R564
R567
R568
R580
C531
D13
R16
R6
R7
R8
R9
D12
R17
R10
R11
R28
R18
C22
R21
D17
D16
R23
R22
C23
R20
R19
C24
R39
R38
R40
R581
R33
C33
R99
R86
R93
C37
D23
D29
C40
Q20
R82
R85
R92
C35
D24
C41
R58
R78
R79
R74
R72
D34
D33
Q22
R59
C42
C43
R70
R60
D35
R75
D38
R54
R36
R37
R34
D32
C45
R26
C30
R64
R27
D31
R62
R61
R94
C31
R63
R52
R48
R47
R46
R45
C6
C5
C19
D19
R71
CN1
CN502
D40
D39
D514
R83
CN501
JW3
D515
Q536
Q533
Q534
Q535
C8
C7
C15
C14
C18
R31
R100
R29
R81
D30
Q17
Q19
D42
Q18
Q24
Q23
R77
D36
D37
D25
C38
R96
R42
R41
R43
R69
Q21
R95
Q6
Q5
R4
D11
Q9
Q8
Q7
D18
Q11
R53
C34
D2
D1
R73
R44
D41
R98
R97
R76
R102
R32
R35
R91
C12
C11
82k
82k
82k
82k
82k
82k
82k
82k
10k
6.8k
2.2k
4.7k
4.7k
4.7k
4.7k
10
100
10V
10V
MC2838
1k
56k
56k
56k
56k
MC2836
1k
1k
1k
1k
100
1
50V
15k
MC2836
MC2838
33k
33k
0.22
50V
10k
15k
47
25V
100k
10k
10k
100k
10k
47
50V
3.3k
3.3k
1/2W
1/2W
1/2W
1/2W
1/2W
3.3k
47
63V
1SS355TE-17
1SS355TE-17
330p
2SD0814A0LS0
15k
2.2k
3.3k
0.068
1SS355TE-17
47
50V
330
33k
5.6k
47k
4.7k
1SS355TE
-17
1SS355TE
-17
2SB0792A0LS0
270
22p
330p
15k
2.7k
1SS355TE
-17
2.2k
1SS355TE
-17
15k
10k
82k
82k
1SS355TE
-17
330p
3.3k
330p
3.3k
10k
1SS355TE
-17
10k
3.3k
10k
330p
10k
47k
220k
22k
47k
47k
0.1
0.1
0.1
100V
MC2836
10k
12P
13P
1SS355TE
-17
1SS355TE
-17
1SS355TE
-17
4.7k
13P
UDZ-30B
2SA1235F
2SA1980G
2SA1980G
2SA1980G
0.1
0.1
3300
80V
3300
80V
0.1
100V
0
3.3
3.3
15k
UDZ-16B
2SA1235F
2SK3053
FMB-G16L
2SK3053
2SA1235F
2SA1235F
3.3k
1SS355TE
-17
1SS355TE
-17
UDZ-18B
330p
4.7k
3.3k
3.3k
3.3k
10k
2SC3052F
22k
2SC3052F
2SA1235F
4.7k
1SS355TE-17
2SC3052F
2SC3052F
2SC3052F
MC2838
SRA2202S
3.3k
47
63V
G5SBA60L
-6088
D10XB20
82k
82k
FMB-G16L
3.3k
3.3k
3.3k
2.7k
33k
33k
150
4700
35V
4700
35V
A1
A2
A3
A4
A5
A7
A8
A9
A10
A11
A12
A13
FIL-1
FIL-2
STBY
MUTE
VCC
VM
-VFL
SURR
HOLD
-VH
+VH
-VL
FIL-2
FIL-1
O-POWER
P-ON
RYB+
HOLD
O-POWER
-VFL
+VH
P-ON
STBY
VSTBY
O-POWER
SW ON/OFF SENS
SYSTEM MUTE
FIL-1
FIL-2
-VFL
HOLD
P-ON
L-OUT
SP-GND
R-OUT
VM(AC)
VM(AC)
VCC
LINK/MATRIX
IN-R
IN-L
UNREG VM
RELAY B+
VH(AC)
VL(AC)
GND(M)
VL(AC)
VH(AC)
VM(AC)
VM(AC)
FIL-1
FIL-2
P-ON
EVER 10V
NC
(CHASSIS)
(1/2)
A-GND
PW-GND
DC-DET
SW OUT
SW LIMIT
Q533-536
-30V REGULATOR
SWITCHING
SWITCHING
Q17,19,22
Q23,24
DETECT
LEVEL
OUTPUT
Q5,6
DC DETECT
DETECT
Q20,21
OUTPUT LEVEL
Q7-9
HOLD
Q10,11
THERMAL DETECT
1
2
3
4
4
3
1
2
VM+10V
R56
R55
1.8k
1.5k
1/2W
1/2W
R51
R49
1.5k
220k
R50
10k
10k
Q10
2SB0792A0LS0
(Page 43)
(Page 49)
(Page 39)
(Page 38)
CX-JTV8
43
43
EP502
R66
C26
R65
R520
R526
R67
D20
R578
R577
D513
R575
R594
R593
C529
R576
R536
R534
R90
R510
R512
R532
C510
R528
Q514
Q512
R518
D506
R522
R524
R516
C504
Q506
R506
C502
TH502
C512
D502
D504
R546
R560
R554
C520
R591
R562
R592
R558
R561
C530
R569
R557
C519
R553
EP501
C532
C533
R544
R542
C508
C506
R540
Q520
R533
R525
R514
R505
C501
R509
R517
C505
C507
D505
Q515
D507
R521
R523
R531
C509
R539
R541
D510
C511
R543
Q519
R547
R559
R535
C513
R545
C538
R599
R500
R513
R511
C523
D511
R571
R570
C503
R515
Q511
Q513
R519
D503
D501
R529
TH501
L502
L501
D509
D512
R588
RY502
Q532
C543
C541
C542
C544
C527
C525
C524
C526
R582
R572
R579
R573
R604
R602
R603
R601
R574
C540
Q527
Q521
R530
Q508
Q510
R548
D508
Q518
Q516
Q522
Q524
Q13
R508
Q504
Q502
R502
R504
Q530
Q529
Q505
R507
Q507
Q509
R501
R503
Q503
Q501
Q517
Q523
R527
JW16
JW15
JW9
JW10
RY501
R589
JW551
JW552
Q525
Q526
C514
JK503(1/2)
JK503(2/2)
R597
R595
R596
R598
R587
R586
C517
C521
C522
C518
R549
R555
R556
R550
Q12
R68
C25
10k
4700p
10k
39
1k
47k
MC2838
220
4.7k
1SS355TE-17
4.7k
10k
10k
2.2
50V
50V
22k
100
100
10k
2.7k
1k
1.5k
820p
47k
2SC3478
LK
2SC3478
LK
39
1SS244
1.8k
2.2k
220
0.1
2SB0792A0LS0
100
0.01
33
35V
MC2836
MC2838
100
3.9k
27k
820p
47k
1M
15k
1k
68k
0.1
470k
1k
820p
27k
2200p
2200p
2.2k
2.2k
100p
100V
100V
100p
100V
100V
10k
2SB0792A0LS0
100
1k
6.8k
100
0.01
2.7k
39
100p
100V
100V
100p
100V
100V
1SS244
2SD0814A0LS0
1SS355TE
-17
1.8k
2.2k
1.5k
820p
10k
2.2k
MC2836
33
35V
2.2k
2SB0792A0LS0
27k
3.9k
100
22
50V
100
0.33
47k
4.7k
6.8k
1k
0.1
1SS355TE-17
10
1/2W
10
1/2W
0.1
220
2SC3478
LK
2SC3478
LK
39
MC2838
MC2836
4.7k
MC2838
1SS355TE-17
1k
2SC3052
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
18
18
18
18
18
18
18
18
220
10
16V
2SA1235F
2SC3052F
4.7k
2SC3052F
2SC3052F
27k
1SS355TE
-17
2SB0792A0LS0
2SD0814A0LS0
2SC3052F
2SC3052F
2SB0792A0LS0
1.5k
2SB1649
2SD2562
0.22
3W
0.22
3W
2SA1235F
2SC3052F
2SB0792A0LS0
1.5k
2SC3052F
2SC3052F
0.22
3W
0.22
3W
2SB1649
2SD2562
2SB0792A0LS0
2SC3052F
47k
4.7k
2SC3624A
-T1L15
2SC3624A
-T1L15
22
50V
8P
8P
0.47
1W
0.47
1W
0.47
1W
0.47
1W
220
220
0.47
50V
4.7
50V
50V
4.7
50V
50V
0.47
50V
470
8.2k
8.2k
470
2SC3143
K4/K5
10k
2200p
A1
A2
A3
A4
A5
A7
A8
A9
A10
A11
A12
A13
-VL
-VH
MUTE
VCC
HOLD
+VH
RYB+
SURR
VM
(CHASSIS)
(CHASSIS)
(2/2)
-1
-2
-1
-2
SPEAKER
SURROUND
ON/OFF
RELAY DRIVE
SPEAKER
SURROUND
L
R
SPEAKER
L
R
FRONT
MUTING
MUTING
CONTROL
SWITCH
MUTING
Q508,510
BIAS
Q518,520
PRE DRIVE
Q522,524
CURRENT
MIRROR
Q512,514,516
CASCADE
OVER CURRENT
DETECT
HOLD
DETECT
OVER LOAD
Q502,504
FINAL
DRIVE
Q529,530
POWER OFF
MUTING DRIVER
DETECT
OVER LOAD
FINAL
DRIVE
Q501,503
BIAS
Q507,509
CASCADE
Q511,513,515
CURRENT
MIRROR
Q521,523
PRE DRIVE
Q517,519
R537
1k
1/2W
R538
1k
1/2W
C534
C535
0.1
C597
0.1
0.1
6-20. SCHEMATIC DIAGRAM – POWER Board (2/2) –
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TUNER (FM/AM)
no mark : TUNER (FM/AM)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page
42)
CX-JTV8
44
44
6-21. PRINTED WIRING BOARDS – CD BUTTON/HEADPHONE/MICROPHONE/VIDEO OUT Boards –
•
See page 27 for Circuit Boards Location.
:Uses unleaded solder.
CN302
S327
S328
S329
S330
S331
R331
R328
R329
R327
R330
J401
CN402
JW211
J221
CN105
C301
C302
LP310
CN310
C310
CD BUTTON BOARD
1-688-963-
11
(11)
S327
− 331
DISC DIRECT PLAY
2
S329
3
S330
1
S328
DISC CHANGE/DISC SKIP
OPEN/CLOSE
3
1
2
PANEL BOARD
CN301
J
MICROPHONE BOARD
MIC
1-688-964-
11
(11)
3
1
1
2
PANEL
BOARD
CN401
K
HEADPHONE BOARD
1-688-962-
11
(11)
PHONES
5
MAIN
BOARD
CN310
D
J310
1
3
1-689-469-
11
(11)
VIDEO OUT
VIDEO OUT BOARD
VMP42DN BOARD
CN301
M
(Page 34)
(Page 35)
(Page 46)
(Page 46)
Click on the first or last page to see other CX-JTV8 / JAX-TV8 service manuals if exist.