Sony KV-27FS320 Service Manual ▷ View online
86
KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120
KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120
5-1. CIRCUIT BOARDS LOCATION
A Board
C Board
HN Board
(KV-27FS320/
32FS320/
36FS320 Only)
(KV-27FS320/
32FS320/
36FS320 Only)
HU Board
(KV-27FS320/32FS320/36FS320 Only)
(KV-27FS320/32FS320/36FS320 Only)
V Board
KV-27FS320 Pictured
HM Board
(KV-27FS320/
32FS320/
36FS320 Only)
(KV-27FS320/
32FS320/
36FS320 Only)
M Board
HR Board
(KV-27FS320/
32FS320/
36FS320 Only)
(KV-27FS320/
32FS320/
36FS320 Only)
HS Board
(KV-32FS120/34FS120/36FS120/38FS120 Only)
(KV-32FS120/34FS120/36FS120/38FS120 Only)
All voltages are in V.
S : Measurement impossibillity.
: B+line.
: B-line.
(Actual measured value may be different).
: signal path. (RF)
Circled numbers are waveform references.
The components identifi ed by X in this
basic schematic diagram have been carefully
factory-selected for each set in order to satisfy
regulations regarding X-ray radiation. Should
replacement be necessary, replace only with
the value originally used.
basic schematic diagram have been carefully
factory-selected for each set in order to satisfy
regulations regarding X-ray radiation. Should
replacement be necessary, replace only with
the value originally used.
When replacing components identifi ed by Y,
make the necessary adjustments as indicated.
If the results do not meet the specifi ed value,
change the component identifi ed by X and
repeat the adjustment until the specifi ed value
is achieved.
make the necessary adjustments as indicated.
If the results do not meet the specifi ed value,
change the component identifi ed by X and
repeat the adjustment until the specifi ed value
is achieved.
SECTION 5: DIAGRAMS
The components identifi ed by shading and
!
symbol are critical for safety. Replace only with
part number specifi ed.
part number specifi ed.
The symbol
indicates a fast operating fuse
and is displayed on the component side of the
board. Replace only with fuse of the same rating
as marked.
board. Replace only with fuse of the same rating
as marked.
5-2. PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM INFORMATION
All capacitors are in µF unless otherwise noted. pF : µµF 50WV or less
are not indicated except for electrolytics and tantalums.
are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specifi ed.
All resistors are in ohms. k=1000, M=1000k
Indication of resistance, which does not have one for rating electrical
power, is as follows: Pitch : 5mm Rating electrical power :
power, is as follows: Pitch : 5mm Rating electrical power :
1
/
4
W in resistance,
1
/
10
W and
1
/
8
W in chip resistance.
: nonfl ammable resistor.
: fusible resistor.
: internal component.
: panel designation and adjustment for repair.
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B, unless
otherwise noted.
otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M digital multimeter.
Voltages are DC with respect to ground unless otherwise noted.
Voltage variations may be noted due to normal production tolerances.
REFERENCE INFORMATION
RESISTOR
: RN METAL FILM
: RC SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW NONFLAMMABLE WIREWOUND
: RS NONFLAMMABLE METAL OXIDE
: RB NONFLAMMABLE CEMENT
:
: RN METAL FILM
: RC SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW NONFLAMMABLE WIREWOUND
: RS NONFLAMMABLE METAL OXIDE
: RB NONFLAMMABLE CEMENT
:
ADJUSTMENT RESISTOR
COIL
: LF-8L MICRO INDUCTOR
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA TANTALUM
: PS STYROL
: PP POLYPROPYLENE
: PT MYLAR
: MPS METALIZED POLYESTER
: MPP METALIZED POLYPROPYLENE
: ALB BIPOLAR
: ALT HIGH TEMPERATURE
: ALR HIGH RIPPLE
: TA TANTALUM
: PS STYROL
: PP POLYPROPYLENE
: PT MYLAR
: MPS METALIZED POLYESTER
: MPP METALIZED POLYPROPYLENE
: ALB BIPOLAR
: ALT HIGH TEMPERATURE
: ALR HIGH RIPPLE
(Refer to Section 3: Safety Related Adjustments on Page 27.)
When replacing the parts listed in the table below, it is important to
perform the related adjustments.
perform the related adjustments.
C531, C532, D519, D520,
D521, IC501, IC600, PH602,
R529, R530, R531, R532,
R533, R550, T503 (FBT),
T504 (DFT)
HV HOLD-DOWN
R530, R531
Part Replaced (Y)
Adjustment (X)
87
KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120
KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120
5.3. BLOCK DIAGRAM AND SCHEMATICS
Main Tuner
($C0)
Antena
Switc h
Mic ro
M65582MF- XX XFP
($60)
IR
Rec eiv er
Menu
Key s
Front
Panel
Key s
Stand by /
Timer
Led
M24C16
($A0,$A2 ,$A4 ,
$A6,$A8 ,$A A)
Res et
Degaus s
SW
Video Proc es s or/Comb Fil ter
($??)
Tilt
Rotation
CRT
VM
RGB
Amp
Audio Proc es s or
NJ M1134
($82)
Audio Amp .
TDA8580Q
Mute
AC Line
Main Power
Supply
Energy Star
5V S tand-by
B+ Rec ti fier
115V
Low B
Rec tifier
12.5V
Audio
Rec tifier 14 V
9V Regulator
5V Regulator
Video 1
Video 2
Video 3
Video 4
V-Out
H-Out
FBT
DY
Monitor
Out
Audio
Out
Power
Key
VCC
O-MUTE
Audio Inpu ts
A
udi
o
O
u
tput
s
O-ANTSW
I-AFT
I-AFT2
O-MONO
O-AGCMUT E
O-SAP
I-SA P
I-ST EREN
O-NS
I-
P
O
W
E
R
N
I-
K
E
Y
I-
M
E
N
U
I-
RM
CN
O-
L
E
D
Mec hanic al
S-Video
I-MEC SVD
O-
R
E
L
A
Y
N
O-
D
GC
I-HLDWN
I-RES ET
IO
-B
D
A
T
O-
B
C
L
K
N
IO
-S
D
A
T
O-
S
C
L
K
N
IIC Comunic ation
Pic ture Signal
Power
Sound S ignal
Tuning Related
Control Lines
Video SW
O-SEL0
O-SEL1
O-SEL1
YUV SW
YUV SW
MS
Module
O-MSSW
Video 5
Main Tuner
Antena
Switc h
Mic ro
M65582MF- XX XFP
IR
Rec eiv er
Menu
Key s
Front
Panel
Key s
Stand by /
Timer
Led
M24C16
Res et
Degaus s
SW
Video Proc es s or/Comb Fil ter
Tilt
Rotation
CRT
VM
RGB
Amp
Audio Proc es s or
NJ M1134
Audio Amp .
TDA8580Q
Mute
AC Line
Main Power
Supply
Energy Star
5V S tand-by
B+ Rec ti fier
115V
Low B
Rec tifier
12.5V
Audio
Rec tifier 14 V
9V Regulator
5V Regulator
Video 1
Video 2
Video 3
Video 4
V-Out
H-Out
FBT
DY
Monitor
Out
Audio
Out
Power
Key
VCC
O-MUTE
Audio Inpu ts
A
udi
o
O
u
tput
s
O-ANTSW
I-AFT
I-AFT2
O-MONO
O-AGCMUT E
O-SAP
I-SA P
I-ST EREN
O-NS
I-
P
O
W
E
R
N
I-
K
E
Y
I-
M
E
N
U
I-
RM
CN
O-
L
E
D
Mec hanic al
S-Video
I-MEC SVD
O-
R
E
L
A
Y
N
O-
D
GC
I-HLDWN
I-RES ET
IO
-B
D
A
T
O-
B
C
L
K
N
IO
-S
D
A
T
O-
S
C
L
K
N
IIC Comunic ation
Pic ture Signal
Power
Sound S ignal
Tuning Related
Control Lines
Video SW
O-SEL0
O-SEL1
O-SEL1
YUV SW
YUV SW
MS
Module
O-MSSW
Video 5
89
KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120
KV-27FS320/32FS120/32FS320/34FS120/36FS120/36FS320/38FS120
1
|
2 |
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
A BOARD SCHEMATIC DIAGRAM (2 OF 2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
I
O
G
1
2
3
4
7
8
9
1
2
3
4
-2
1
+
-
1
4
5
3
1
4
6
7
8
9
10
11
12
13
14
15
16
17
18
5
3
1
2
4
3
S
S
1
2
3
1
2
3
C581
C602
C604
C609
C617
C620
C632
C633
C634
C635
C637
C638
C642
C643
C645
C647
C669
C670
CN508
D501
D600
D611
D614
D615
D618
D620
D628
PH602
R534
R608
R610
R611
R612
R613
R615
R616
R617
R618
R619
R625
R626
R627
R628
R629
R630
R631
R632
R640
R647
R650
R651
R658
R659
R660
R667
R670
R671
R672
R674
R687
R688
R691
R692
R694
C601
C656
C658
C603
C648
C649
C690
D640
D641
D646
D690
FB606
FB607
L600
R606
R607
R603
FH2
FH1
R535
C613
C614
C615
C619
D612
F601
T603
C616
C622
JW608
JW609
D613
R686
R681
RY501
D629
D631
D645
D647
L604
L608
R609
R699
R620
R641
VDR600
RY600
R604
C653
CN600
C600
D602
FB609
C652
R668
C651
T605
CN601
C621
C629
T604
Q605
Q691
Q606
Q690
IC609
IC600
Q600
Q601
Q509
Q608
IC601
C608
C650
C672
D621
FB602
FB604
FB614
FB616
FB617
FB650
FB651
FB652
FB653
L605
L606
L609
R648
CN201
THP501
L515
10000p
680p
500V
680p
500V
500V
33
160V
0.01
25V
B
0.001
50V
0.1
50V
0.1
50V
50V
0.001
50V
B
680p
500V
500V
680p
500V
MA111-TX
D4SB60L-F
EZ0150AV1
D4SBL20UF3
UF4005PKG2
3
MA111-TX
MA111-TX
10k
1/10W
10k
1/10W
10k
1/10W
10k
1/10W
470k
10k
1/10W
0.1
1/2W
1.2k
1/10W
1k
1/10W
0
0.47
1/4W
1/4W
470
1/10W
8.2k
5MM
470k
470k
470k
15k
100
1k
1/4W
91
100k
100k
10
1/4W
10
1/4W
10k
1/10W
10k
1/10W
10k
1/10W
0.1
2W
0.1
2W
0.47
1/2W
1/2W
22k
1/10W
22k
1/10W
22k
1/10W
D4SBL20UF3
4700p
250V
4700p
250V
1000p
1kV
1000p
1kV
50V
MA111-TX
MA111-TX
MA111-TX
MTZJ-T-77-27
5.0MM
5.0MM
5.0mm
10k
:CHIP
10k
:CHIP
2.2k
1/10W
2200
25V
0.22
2.2k
:CHIP
10
1W
1
3W
RS
RS
1.0k
:CHIP
50V
2P
S1B60-4062
2200
47
25V
220
50V
50V
1000p
0.22
275V
275V
275V
0.22
275V
4.7
50V
10
50V
2200
1
0.47
0.22
5MM
3P
10ERB20-TA1B2
10ERB20-TA1B2
10ERB20-TA1B2
UDZSTE-1712B
ON3171-R
10000p
:CHIP
470
1/4W
LFT
PIT
2SD774-T-3
SW
2SA933AS
STBY PWR SW
2SD601A-QR
ZERO DET
2SB709A-QR
SW
PQ09RD21
9V REG
MCZ3001DB
CONVERTER
CONVERTER
IRFIB7N50A
CONVERTER
IRFIB7N50A
CONVERTER
2SD601A
DGC DRIVE
2SD2144S-T
MAIN RELAY SW
DM-58
ERROR AMP
0.001
1000
47000p
MA6D50
0UH
0UH
0UH
0UH
0UH
0UH
0UH
0UH
0UH
0
:CHIP
DGC
O-RELAY
Z-DET
STAND-BY
9V 9V
B+
135V
AUD_VCC
18V
+14V
14V
14V
9V
14V
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
AC IN
AC IN
VSENSE
F/B
CT
RT
GND
TIMER
SS
VCI
OCP
VD
NC
CC
VS
VB
VG
P-GND
VC2
NC
9V REG
DGC
NC
DGC
TO-H/S-Q600
TO-H/S-Q601
A-BOARD
CN
14V
GND
GND
DGC
DGC
AC
IN
POWER SUPPLY
9-965-964-01<BA6L>A-P2
HN BOARD
TO CN1601
A BOARD IC VOLTAGE LIST
27
4.6
13
3.3
3
2.2
PIN
VOLT
PIN
VOLT
28
4.6
14
8.3
4
2.5
1
4.5
1
4.5
29
4.6
15
GND
5
GND
2
0.3
2
4.5
30
4.6
16
19.6
6
0.0
3
4.5
3
4.5
31
4.6
17
8.3
7
4.0
4
0.4
4
4.5
32
4.6
IC501
8
17.2
5
4.5
5
4.5
33
4.6
PIN
VOLT
9
GND
6
9.0
6
4.5
34
4.6
1
-13.3
10
10.4
7
4.4
7
4.5
35
4.5
2
8.2
11
0.0
8
GND
8
4.5
36
4.5
3
7.2
12
4.6
9
4.5
37
4.5
4
-15.0
13
N/C
PIN
VOLT
10
4.5
38
4.5
5
2.3
14
163.6
1
4.5
11
4.5
39
4.5
6
2.5
15
153.5
2
4.0
12
4.5
40
4.5
7
-13.5
16
157.6
3
3.0
13
4.5
8
12.0
17
N/C
4
GND
14
4.5
PIN
VOLT
IC561
18
340.0
5
4.0
15
0.6
1
8.3
PIN
VOLT
6
4.0
16
1.7
2
GND
1
1.5
PIN
VOLT
7
0.0
17
1.7
3
19.6
2
12.0
1
133.7
8
4.5
18
4.7
4
8.3
3
-12.0
2
N/C
9
4.5
19
4.7
5
19.6
4
-15.0
3
2.5
10
GND
20
GND
6
3.2
5
0.3
4
11.3
11
4.5
21
9.0
7
0.0
6
14.2
5
GND
12
0.0
22
4.4
8
0.0
7
1.4
13
9V
23
3.8
9
3.2
PIN
VOLT
14
4.5
24
3.8
10
9.1
PIN
VOLT
I
14.0
15
GND
25
4.0
11
9.7
1
2.5
O
9.0
16
4.5
26
0.6
12
3.2
2
1.8
G
GND
IC401
IC303
IC400
IC302
All voltages are in V.
IC609
IC601
IC600
A BOARD TRANSISTOR VOLTAGE LIST
B
C
E
B
C
E
Q005
0.1
4.9
GND
Q509
0.0
11.1
GND
Q300
4.6
GND
5.2
Q511
-13.5
-8.4
-15.0
Q304
5.0
9.0
4.4
Q512
-14.9
-2.0
-15.0
Q401
0.0
18.2
0.0
Q530
0.0
4.4
GND
Q402
0.0
0.0
GND
Q531
4.4
0.0
4.4
Q403
0.0
0.0
GND
Q532
133.6
0.0
133.8
Q405
0.7
0.0
GND
Q561
0.0
4.4
GND
Q412
0.7
0.0
GND
Q562
0.0
0.0
GND
Q466
4.8
0.0
4.8
Q564
0.0
0.0
GND
Q467
4.8
0.0
4.8
Q582
0.0
7.7
GND
Q468
4.8
0.0
4.8
Q583
9.0
-1.9
8.8
Q469
4.8
0.0
4.8
Q605
7.6
18.8
7.6
Q470
8.8
0.0
8.8
Q606
0.0
0.5
GND
Q471
0.0
8.9
0.0
Q608
0.0
6.7
GND
Q472
0.0
18.2
GND
Q611
5.6
9.0
5.0
Q501
0.0
123.6
GND
Q690
6.1
0.5
5.9
Q502
0.0
131.8
0.0
Q691
6.9
7.6
7.6
D
G
S
Q600
313.0
160.0
156.0
Q601
155.0
4.9
0.0
All voltages are in V.
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