Sony KV-PG14N70 (serv.man2) Service Manual ▷ View online
– 26 –
KV-PG14N70
RM-915
5-3. SCHEMATIC DIAGRAM
Note:
•
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise
noted.
noted.
•
All resistors are in ohms.
k
k
Ω = 1000Ω, MΩ = 1000kΩ
•
Indication of resistance which does not have rating electrical
power is as follows.
power is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
¢
: internal component.
•
: panel designation or adjustment for rrepair.
•
All variable and adjustable resistors have characteristic curve
B unless otherwise noted.
B unless otherwise noted.
•
Redings are taken with a color-bar signal input.
no mark
no mark
: Common
(
)
: PAL
[
]
: NTSC 3.58
•
Readings are taken with a 10
Ω digital multimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
noted.
•
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
All voltage are in Volt.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
÷
: signal path.
Reference information
RESISTOR
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
:
✽
ADJUSTMENT RESISTOR
COIL
: 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
Note:
The component identified by shading and
mark
mark
! are critical for safety. Replace only
with part number specified.
– 29 –
KV-PG14N70
RM-915
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
(2) C Board Schematic Diagrams
H
KG
G2
CV KR G1 G4 HV
KB
1
1
1
1
1
2
3
4
5
1
2
3
4
5
6
5
10
9
8
7
6
4
3
1
11
13
G4
G2
G1-1
H1
H2
G1-2
KB
KG
KR
G1-3
RCV
CN705
C706
D713
D714
D715
R706
R707
R755
R756
R757
C701
C702
C703
C704
C708
C709
C710
C712
C713
C714
C716
C717
C718
C719
C736
C737
C746
CN701
CN702
CN703
CN704
D701
D702
D703
D707
D708
D709
D716
J701
L701
L710
L711
L712
Q705
Q706
Q707
Q708
Q709
Q710
Q711
R703
R710
R712
R714
R725
R726
R727
R728
R729
R731
R732
R733
R734
R738
R739
R740
R760
R761
R762
RV702
L706
R705
R708 #
CN706
R719
R721
R723
R711
R713
R715
4.7K
D717
R720
R722
R724
R716
R717
R718
#
#
#
#
#
#
#
#
#
#
0.0047
2kV
E
0.001
B
4.7
250V
0.022
400V
:PP
470p
B
470p
B
470p
B
470P
B
470p
B
470p
B
100
16V
16V
100p
B
100
16V
16V
680p
B
470p
B
470p
B
470p
B
5P
WHT
:S-MICRO
1P
:TAB
6P
WHT
:S-MICRO
1P
:TAB
SOCKET
:EL0607
JW(5mm)
JW(5mm)
JW(5mm)
2SC2611
2SC2611
2SC2611
2SA1091-0
2SA1091-0
2SA1091-0
100k
1/2W
1/2W
8.2k
3W
:RS
:RS
8.2k
3W
:RS
8.2k
3W
:RS
3.9k
3.9k
3.9k
180
180
33
33
33
100
1/2W
100
100
100
JW(5MM)
JW
(5
MM)
JW(5MM)
110M
:RS
0.22
1W
:RS
#
#
#
#
3.3k
1/2W
1/2W
4.7K
1/2W
1/2W
1/2W
NNCD9.1A -T1
1SS119-25
1SS119-25
1SS119-25
1SS119-25
1SS119-25
1SS119-25
1SS119-25
2SC2785-HFE
2SC2785-HFE
JW(5MM)
JW(5MM)
JW(5MM)
1k
1k
1k
1
200V
FOCUS
G2
H.STAT
FV
GND
TO A BOARD
GND
TO A BOARD
9V
B IN
G IN
R IN
GND
CN305
TO G2-FBT
GND
NC
E
NC
H1
CN500
IK
TO A BOARD FBT
RGB OUTPUT
(
(
4
3
1
R
G
B
R AMP
SPEED UP
SPEED UP
FEEDBACK
G AMP
FEEDBACK
SPEED UP
B AMP
SPEED UP
SPEED UP
FEEDBACK
G AMP
B AMP
CLAMP
CLAMP
CLAMP
STOPPER
STOPPER STOPPER
B-SSSBG2T-...-C..14
2
9V
9V
9V
Q712
2SC2785-HFE
R AMP
2SC2785-HFE
R AMP
PICTURE TUBE
A34LRG70X
A34LRG70X
R730
180
180
Q704
– 30 –
KV-PG14N70
RM-915
A(1/2) BOARD VOLTAGE LIST
Ref
Pin No
Voltage[v]
IC001
1
4.7
2
0
3
0
4
0
5
5.0
6
(0) [5.0]
7
0
8
(0) [0.2]
9
5.0
10
5.0
11
0
12
0
13
0
14
0
15
5.0
16
0
17
0
18
0
19
0.6
20
0
21
5.0
22
0
23
(0) [5.0]
24
(5.0) [0]
25
(0) [0.3]
26
3.8
27
0
28
0.5
29
5.0
30
5.0
31
5.0
32
0
33
5.0
34
2.5
35
2.2
36
5.0
37
0
38
(2.8) [4.9]
39
0.5
40
5.0
41
5.0
42
0.1
43
0.7
44
5.0
45
(2.8) [5.0]
46
(2.8) [5.0]
47
0.4
48
0
49
0
50
0
51
0
52
0
53
5.0
54
4.8
55
5.0
56
4.8
57
5.0
58
0
59
8.8
60
(0.2) [8.8]
61
0
62
0
63
5.0
64
5.0
IC002
1
0
2
5.0
3
4.9
4
13.4
5
5.0
6
0
7
0
8
0.3
IC003
1
0
2
0
3
0
4
0
5
4.0
6
4.0
7
0
8
4.0
IC004
1
4.9
2
3.8
3
0
IC101
I
8.9
G
0
O
0.4
IC201
1
0.5
2
0.5
3
0.4
4
0.4
5
0.4
6
0.4
7
0.4
8
0.4
9
0.4
10
0.4
11
0.4
12
0.4
13
0.4
14
0.4
15
0.4
16
0.4
17
0.4
18
0.4
19
0.4
20
0
21
0.4
22
0.4
23
0.4
24
0.4
25
0
26
0.4
27
0.4
28
0.3
IC203
1
0.4
2
0.4
3
15.4
4
0
5
0
6
0.4
7
7.2
8
0.5
9
0
10
16.5
11
8.2
12
0.3
IC301
1
0.7
2
3.7
3
0.4
4
0.4
5
(2.6) [3.6]
6
(2.9) [4.6]
7
4.8
8
4.8
9
6.7
10
0
Ref
Pin No
Voltage[v]
Ref
Pin No
Voltage[v]
11
3.4
12
8.1
13
(3.8) [4.4]
14
0
15
2.9
16
0.5
17
(3.4) [3.9]
18
6.2
19
2.6
20
2.6
21
2.7
22
(2.4) [2.1]
23
3.5
24
3.5
25
3.5
26
0.1
27
2.7
28
2.7
29
2.4
30
2.4
31
2.4
32
2.4
33
0.3
34
2.5
35
2.5
36
4.7
37
8.1
38
2.5
39
4.9
40
1.1
41
(*) [0.6]
42
3.1
43
(4.0) [4.3]
44
0
45
(4.2) [4.0]
46
1.4
47
1.4
48
4.7
49
4.7
50
1.5
51
3.8
52
3.8
53
(4.6) [1.1]
54
(4.2) [8.0]
55
2.9
56
3.1
IC400
1
(0) [4.9]
2
4.4
3
8.9
4
5.2
5
0
6
5.2
IC402
1
1.4
2
1.3
3
2.5
4
0
5
2.5
6
2.5
7
5.5
8
8.9
IC551
1
0.6
2
12.9
3
12.4
4
(13) [-12.9]
5
0.3
6
12.7
7
0.6
5-4. VOLTAGE MEASUREMENT
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