Sony KV-28FQ86B Service Manual ▷ View online
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
- 41 -
~ G Board Schematic Diagram [ Power Supply ] ~
SWITCH
SW MOSFET
SW MOSFET
OVER CURRENT
PROTECTION
CONTROL IC
XX
100
2
+
B-#SSAE6BA<ITA>-G..-28/32FQ86
4.7UH
4.7UH
4700
25V
CN8215
MCZ3001DB
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
- 42 -
~ C Board Schematic Diagram [ R-G-B Out ] ~
1
2
9
8
7
6
5
4
3
TDA6118JF
IC7300
TP
GS
VIN
GND
IOM
VDD
BLS
VOC
NC
1
2
9
8
7
6
5
4
3
TDA6118JF
IC7310
TP
GS
VIN
GND
IOM
VDD
BLS
VOC
NC
1
2
9
8
7
6
5
4
3
TDA6118JF
IC7320
TP
GS
VIN
GND
IOM
VDD
BLS
VOC
NC
50V
33p
C7323
XX
R7305
XX
R7315
XX
R7325
MSB709-RT1
Q7330
1
2
3
4
5
6
7
8
9
BLK
9P
CN7331
R
R REF
G
G REF
B
B REF
GND
+9V
IK
35V
47
C7332
RD3.6ESB1
D7330
1/10W
4.7k
R7330
9V
35V
47
C7331
1uH
L7331
BF550
Q7310
AMP
MSD601-RST1
Q7311
BUFFER
220
R7314
1/10W
1/10W
220
R7313
9V
1/10W
270
R7312
1/10W
220
R7311
BF550
Q7320
AMP
1/10W
270
R7322
9V
1/10W
220
R7323
MSD601-RST1
Q7321
BUFFER
1/10W
220
R7321
1/10W
220
R7301
CHIP
270
R7302
MSD601-RST1
Q7301
BUFFER
CHIP
220
R7303
9V
BF550
Q7300
AMP
220
R7324
1/10W
CHIP
220
R7304
250V
0.1
C7300
250V
0.1
C7310
250V
0.1
C7320
XX
C7301
XX
C7311
250V
10
C7321
0
R7306
0
R7316
CHIP
0
R7326
100
R7307
1/2W
RC
220
R7308
1SS83TA
D7300
1SS83TA
D7301
3
4
5
6
7
8
9
10
11
13
1
GND
GND
1
J7330
1SS83TA
D7310
1/4W
100
R7317
1SS83TA
D7311
1/2W
220
R7318
1SS83TA
D7321
1SS83TA
D7320
1/2W
220
R7328
1/4W
100
R7327
250V
2.2
C7334
1/4W
1k
R7334
1
1P
CN7333
1
1P
CN7332
1
2
3
4
5
WHT
5P
CN7330
+200V
NC
GND
NC
HEATER
1/2W
100
R7337
1/4W
1M
R7331
1SS83TA
D7331
250V
2200p
C7335
1/2W
RC
47
R7335
1/2W
RC
100
R7336
250V
10
C7333
1/4W
1k
R7333
1uH
L7330
110M
RV7330
1A
PS7332
XX
R7332
2kV
4700p
E
C7336
25V
0.1
C7302
25V
0.1
F
C7312
25V
0.1
C7322
XX
R7309
XX
C7305
R7340
2.7k
1/10W
XX
C7304
2SA1091-0
Q7302
BUFFER
1SS133
D7302
25V
1000p
C7306
1/10W
1k
R7300
IK
1SS133
D7312
25V
1000p
C7316
IK
1/10W
1k
R7310
2SA1091-0
Q7312
BUFFER
XX
R7319
2.7k
R7350
XX
C7315
XX
C7314
XX
R7329
2.7k
R7360
1/10W
XX
C7325
XX
C7324
50V
100p
C7330
IK
IK
1/10W
1k
R7320
2SA1091-0
Q7322
BUFFER
25V
1000p
C7326
1SS133
D7322
50V
33p
CH
C7303
50V
33p
C7313
XX
R7339
XX
C7307
CHIP
0
JR7303
D7303
1SS83
XX
R7349
CHIP
0
JR7313
XX
C7317
D7313
1SS83
XX
R7359
XX
C7327
CHIP
0
JR7323
D7323
1SS83
XX
L7300
XX
L7310
XX
L7320
12.5
JW7332
CV
KR
G1
G4
HV
H
KG KB
G2
FV FOCUS
RED VIDEO OUT
GREEN VIDEO OUT
BLUE VIDEO OUT
C..-28/32FQ86
C
V901
PICTURE
TUBE
G
B
R
TO D BOARD
CN8214
B
G
R
TO B BOARD
CN3400
R,G,B OUT
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
TO D2 BOARD HV(T6800)
KV-32FQ86 - W76LLZ060X
TP4
TP6
TP5
TP1
TP7
TP3
TP2
KV-28FQ86 - W66LLX060X
1k
R7361
UDZS-15B
D7324
UDZS-15B
D7314
UDZS-15B
D7304
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
- 43 -
~ C Printed Wiring Board Conductor side ~
~ J Printed Wiring Board Conductor side A ~
~ J Printed Wiring Board Conductor side B ~
e
l
b
a
T
e
g
a
t
l
o
V
C
I
o
N
f
e
R
o
N
n
i
P
)
V
(
e
g
a
t
l
o
V
0
0
3
7
C
I
1
3
.
5
2
9
.
1
2
3
9
.
1
5
9
.
5
6
4
.
5
0
2
8
6
.
7
4
1
0
1
3
7
C
I
1
1
.
5
2
0
3
7
.
1
5
6
.
5
6
4
.
5
0
2
8
5
.
9
4
1
0
2
3
7
C
I
1
1
.
5
2
0
3
8
.
1
5
8
.
4
6
4
.
5
0
2
8
4
.
0
5
1
f
e
R
)
s
(
)
e
(
)
g
(
)
b
(
)
d
(
)
c
(
f
e
R
)
s
(
)
e
(
)
g
(
)
b
(
)
d
(
)
c
(
0
0
3
7
Q
5
.
7
9
.
6
4
.
2
2
1
3
7
Q
5
.
9
4
1
6
5
.
9
4
1
8
.
3
1
0
3
7
Q
8
.
1
4
.
2
9
.
8
0
2
3
7
Q
6
.
7
9
.
6
3
.
2
2
0
3
7
Q
9
.
5
4
1
8
.
7
4
1
0
.
4
1
2
3
7
Q
7
.
1
3
.
2
9
.
8
0
1
3
7
Q
6
.
7
0
.
7
2
.
2
2
2
3
7
Q
4
.
8
4
1
6
.
0
5
1
8
.
3
1
1
3
7
Q
6
.
1
2
.
2
9
.
8
0
3
3
7
Q
6
.
3
2
.
3
0
~ C Board Semiconductor Voltage Table ~
~ C Board IC Voltage Table ~
~ C Board Waveforms ~
10us/div
10us/div
10us/div
20us/div
10us/div
10us/div
10us/div
3.0 Vp-p (H)
95 Vp-p (H)
3.0 Vp-p (H)
95 Vp-p (H)
100 Vp-p (H)
TP4
1.25 Vp-p (H)
TP7
TP1
TP2
TP3
TP5
TP6
3.0 Vp-p (H)
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
- 44 -
~ J Board Schematic Diagram [ AV Scart I/O Switching and Sockets ] ~
25V
0.022
C2604
1/10W
470k
R2608
C2610
35V
47
D2600
UDZS-TE17-9.1B
R2600
330
1/10W
R2604
220
1/10W
XX
C2601
D2601
UDZS-TE17-9.1B
50V
1000p
C2605
1/10W
470k
R2609
R2601
1/10W
1k
D2602
UDZS-TE17-9.1B
25V
0.022
C2606
R2606
220
1/10W
C2611
35V
47
1/10W
470k
R2610
R2602
CHIP
330
C2626
35V
47
R2628
CHIP
0
1/10W
470k
R2632
D2604
UDZS-TE17-9.1B
25V
0.022
C2620
R2624
CHIP
330
D2606
UDZS-TE17-9.1B
R2626
330
1/10W
R2630
CHIP
0
1/10W
470k
R2634
C2627
35V
47
25V
0.022
C2622
1/10W
470k
R2646
R2638
CHIP
330
D2610
UDZS-TE17-9.1B
25V
0.022
C2634
R2642
220
1/10W
R2640
220
1/10W
25V
0.022
C2632
D2608
UDZS-TE17-9.1B
CHIP
470k
R2644
R2636
CHIP
330
XX
C2603
1/10W
470k
R2611
D2603
UDZS-TE17-9.1B
R2603
1/10W
1k
50V
1000p
C2607
XX
C2617
1/10W
470k
R2633
R2625
1/10W
1k
50V
1000p
C2621
D2605
UDZS-TE17-9.1B
R2627
1/10W
1k
1/10W
470k
R2635
D2607
UDZS-TE17-9.1B
50V
1000p
C2623
XX
C2619
XX
C2629
R2637
1/10W
1k
50V
1000p
C2633
CHIP
470k
R2645
D2609
UDZS-TE17-9.1B
D2611
UDZS-TE17-9.1B
50V
1000p
C2635
1/10W
470k
R2647
XX
C2631
R2639
1/10W
1k
75
R3600
1/10W
D3602
UDZS-TE17-9.1B
100
R3607
1/10W
XX
C3600
D3607
XX
XX
C3604
100
R3614
1/10W
75
R3613
1/10W
D3603
XX
XX
C3601
100
R3608
1/10W
75
R3601
1/10W
D3610
XX
75
R3615
1/10W
XX
C3605
100
R3621
1/10W
XX
C3602
100
R3609
1/10W
75
R3602
1/10W
D3604
XX
100
R3622
1/10W
XX
C3606
D3611
XX
75
R3616
1/10W
75
R3603
1/10W
D3605
XX
100
R3610
1/10W
XX
C3603
D3612
XX
75
R3617
1/10W
XX
C3607
100
R3623
1/10W
75
R3604
1/10W
UDZS-TE17-9.1B
D3606
100
R3612
1/10W
100
R3625
1/10W
D3613
XX
75
R3618
1/10W
75
R3629
1/10W
D3619
XX
100
R3635
1/10W
D3601
XX
75
R3611
1/10W
D3609
XX
75
R3624
1/10W
UDZS-TE17-9.1B
D3615
75
R3634
1/10W
10V
1
C2636
10V
1
C2608
10V
1
C2609
10V
1
C2624
10V
1
C2625
C2639
35V
47
C2638
35V
47
10V
1
C2637
D3600
XX
1/10W
100
R3605
XX
R3606
1/10W
100
R3619
XX
R3620
D3608
XX
XX
R3633
D3614
UDZSTE-1713B
1/10W
100
R3630
C0800
XX
1/10W
100
R0802
D0800
XX
1/10W
75
R3628
1/10W
100
R3636
D3618
XX
1/10W
75
R3626
UDZS-TE17-9.1B
D3616
1/10W
100
R3631
1/10W
75
R3627
1/10W
100
R3632
UDZS-TE17-9.1B
D3617
C2640
XX
C2642
XX
D2612
XX
C2641
XX
C2643
XX
D2613
XX
16V
0.1
C3623
0.1
C3621
25V
0.1
C3622
1/10W
68k
R3641
10
C2659
50V
35V
47
C3610
0.1
C3624
25V
0.1
C3634
F
16V
0.1
C3620
0
R3647
CHIP
25V
0.1
C2658
SDA
16V
0.1
C3608
10V
1
C2655
10V
1
C2656
25V
0.1
C3632
1/10W
100
R0801
25V
0.1
C3626
XX
R3646
1/10W
100
R0800
9V
10
C3627
50V
1/10W
39k
R3643
25V
0.1
C3616
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
29
30
31
32
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
IC3600
CXA2149AQ-TL
AV SWITCH
REXT
LAST RF
RGD4
RGD3
LDO
RGD2
RGD1
LD1
AV2 OUT CVBS
TRAP1
Y_MAIN
VCC
C_MAIN
SCL
SDA
ADR
MUTE
MODE1
MODE2
MODE3
AVCC
ABIAS
AV2 OUT L/SPEAKER L
AV2 OUT R/SPEAKER R
ANALOG RF L
FRONT L
AV3 IN L
AV2 IN L
AV1 IN L
DIGITAL RF L
AGND
ANALOG RF R
FRONT R
AV3 IN R
AV2 IN R
AV1 IN R
DIGITAL RF R
AV1 OUT R
AV1 OUT L
AV3 OUT R
AV3 OUT L
DGND
AV3 OUT CVBS
DVCC
Y SLAVE
TRAP2
C SLAVE
GND
FRONT C
GND
AV3 IN C
AV2 IN C
TRAP3
FRONT Y
VBIAS
AV3 IN Y
VGND
AV2 IN Y
VCC
AV1 IN CVBS
TC1
DIGITAL RF
TC2
ANALOG RF
1/10W
68k
R3639
9V
SCL
16V
0.1
C3625
L3611
1uH
Q2604
MSD601-RST1
SWITCH
R2650
1/10W
22k
R2648
1/10W
1k
9V
L3612
1uH
Q2602
MSD601-RST1
BUFFER
R2612
1/10W
220
R2617
1/10W
1k
R2621
1/10W
22k
R2620
1/10W
22k
C2615
25V
0.1
Q2603
MSD601-RST1
BUFFER
R2622
1/10W
22k
R2613
1/10W
220
R2619
CHIP
1k
R2623
1/10W
22k
16V
0.1
C3619
16V
0.1
C3618
16V
0.1
C3617
16V
0.1
C3609
C2614
25V
0.1
R2649
1/10W
22k
C2657
50V
47p
SCL
SDA
AC-ON/OFF
AC-ON/OFF
9V
35V
47
C2660
L2602
1uH
21P
CN3601
1
RIGHT OUT
2
RIGHT IN
3
LEFT OUT
4
GND
5
GND
6
LEFT IN
7
BLUE IN
8
MODE
9
GND
10
NC
11
GREEN IN
12
NC
13
GND
14
GND
15
RED IN
16
BLANKING
17
GND
18
GND
19
VIDEO OUT
20
VIDEO IN
21
GND
21P
CN3602
1
RIGHT OUT
2
RIGHT IN
3
LEFT OUT
4
GND
5
GND
6
LEFT IN
7
BLUE IN
8
MODE
9
GND
10
AV LINK
11
GREEN IN
12
NC
13
GND
14
GND
15
RED IN
16
BLANKING
17
GND
18
GND
19
VIDEO OUT
20
VIDEO IN
21
GND
21P
CN3603
1
RIGHT OUT
2
RIGHT IN
3
LEFT OUT
4
GND
5
GND
6
LEFT IN
7
NC
8
MODE
9
GND
10
NC
11
NC
12
NC
13
GND
14
GND
15
C IN
16
NC
17
GND
18
GND
19
VIDEO OUT
20
VIDEO IN
21
GND
C3614
XX
C3628
XX
9V
C3641
25V
0.1
C3636
35V
47
9V-AUDIO
9V-AUDIO
1
2
3
4
5
6
7
8
RED
8P
CN3600
C
GND
Y/CVBS
GND
L
GND
GND
R
6.3V
1
C2612
6.3V
1
C2613
1/10W
R3652
1k
F
C3642
0.1
1/10W
R3656
1k
F
C3643
0.1
F
C3644
0.1
1/10W
R3659
1k
35V
C3645
47
9V
MSD601-RST1
Q3656
BUFFER
MSD601-RST1
Q3657
BUFFER
MSD601-RST1
Q3658
BUFFER
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
29
30
31
32
33
34
35
35P
CN3604
WHT
CVBS DIGITAL RF
GND1
CVBS/Y MAIN
C MAIN
GND 2
CVBS/Y SLAVE
C SLAVE
GND 3
BLUE 1
GREEN 1
RED 1
FS 1
GND 4
GREEN 2
BLUE2
BLK2
RED 2
GND5
L DIGITAL RF
R SPEAKER/HP
GND6
L SPEAKER/HP
R DIGITAL RF
GND7
L ANALOG RF
R ANALOG RF
9VA
GND8
AV LINK
AC-ON/OFF
GND
SDA
SCL
GND9
CVBS ANALOG RF
XX
JR2601
XX
JR2602
XX
JR2609
XX
JR2610
XX
JR2603
XX
JR2612
XX
JR2604
XX
JR2611
XX
JR2615
XX
JR2605
XX
JR2614
XX
JR2607
XX
JR2606
XX
JR2608
XX
JR2613
XX
JR3608
L3608
XX
XX
JR3609
XX
L3609
XX
JR3610
XX
L3610
CHIP
0
JR2617
XX
L2601
CHIP
0
JR2618
XX
L2600
R3653
1/10W
47k
R3654
1/10W
22k
R3657
1/10W
47k
R3655
1/10W
22k
R3660
1/10W
47k
R3658
1/10W
22k
C3646
35V
47
C3647
35V
47
C3648
35V
47
C3611
XX
C3615
XX
C3613
XX
C3612
XX
C3629
XX
C3630
XX
R2605
CHIP
0
CHIP
0
R2607
CHIP
0
R2614
CHIP
0
R2615
CHIP
0
R2616
CHIP
0
R2618
0.1
C3631
XX
FB3608
XX
FB3609
XX
FB3610
R3661
1/10W
3.3k
R3662
1/10W
3.3k
UDZS-5.6B
D0600
UDZSTE-1713B
D3621
UDZS-5.6B
D3622
UDZS-TE17-9.1B
D3623
UDZS-TE17-9.1B
D3624
UDZS-TE17-9.1B
D3626
UDZSTE-1713B
D3627
UDZSTE-1713B
D3628
UDZS-TE17-9.1B
D3629
UDZS-TE17-9.1B
D3630
UDZS-5.6B
D3631
UDZS-TE17-9.1B
D3632
UDZS-TE17-9.1B
D3633
UDZS-TE17-9.1B
D3634
C2616
XX
XX
C2602
XX
C2618
C2628 XX
0
JR2616
0
JR2628
UDZS-TE17-9.1B
D3635
1/10W
100
R3638
1/10W
75
R3637
L3614
1uH
SC2-OUT-R
SC2-OUT-L
SC3-OUT-R
SC3-OUT-L
SC1-IN-R
SC1-IN-L
SC2-IN-R
SC2-IN-L
SC3-IN-L
SC3-IN-R
V-IN-1
V-OUT-3B
C-FRONT
Y/CVBS-FRONT
SC1-OUT-L
MODE3
Y/CVBS-FRONT
C-FRONT
SC3-OUT-L
SC3-OUT-R
SC1-OUT-L
SPEAKER-R
SPEAKER-L
V-OUT-2S
SPEAKER-R
SPEAKER-L
SC2-OUT-R
SC2-OUT-L
C-IN-3
V-DIGITALRF
CVBS/YMAIN
C-MAIN
CVBS/YSLAVE
C-SLAVE
BLUE-1
GREEN-1
RED-1
BLK1
GREEN-2
BLUE-2
BLK2
RED-2
AV-LINK
L-DIGITALRF
SPEAKER-L
R-DIGITALRF
R-ANALOGRF
SC1-IN-R
SC2-IN-R
SC3-IN-R
FRONT-R
R-ANALOGRF
SPEAKER-R
SC1-IN-L
SC2-IN-L
SC3-IN-L
FRONT-L
V-ANALOGRF
L-ANALOGRF
L-ANALOGRF
SC1-OUT-R
SC1-OUT-R
MODE3
MODE2
MODE1
V-OUT-2B
BLUE-1
FRONT-R
FRONT-L
CVBS/YSLAVE
C-SLAVE
V-OUT-3S
V-OUT-1S
CVBS/YMAIN
C-MAIN
V-OUT-3B
V-OUT-2S
V-OUT-1S
V-OUT-3S
V-IN-2
V-IN-3
V-IN-1
AV-LINK
MODE1
V-OUT-1B
GREEN-1
RED-1
BLUE-2
GREEN-2
RED-2
BLK2
C-IN-3
V-IN-3
V-IN-2
V-ANALOGRF
R-DIGITALRF
L-DIGITALRF
MODE2
V-OUT-1B
AV1
AV2
J
J..-28/32FQ86
AUDIO R OUT
AUDIO R IN
AUDIO L OUT
AUDIO L IN
B
G
R
VIDEO IN
VIDEO OUT
AUDIO R OUT
AUDIO R IN
AUDIO L OUT
AUDIO L IN
VIDEO IN
VIDEO OUT
VIDEO OUT
VIDEO IN
AUDIO R OUT
AUDIO R IN
AUDIO L OUT
AUDIO L IN
TO A BOARD
CN3002
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
TO H1 BOARD
CN2911
AV SCART I/O SWITCHING AND SOCKETS
C3649
10PF
JR3611
0
FB3611
0UH
R3663
47
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