Sony KV-PF14K70 Service Manual ▷ View online
– 49 –
– 48 –
– 47 –
PRINTED WIRING BOARD
A
[POWER SUPPLY, HV, MICON, Y/C JUNGLE]
– A Board –
A BOARD
IC
IC001
B-10
IC002
C-10
IC003
A-9
IC100
B-5
IC201
B-11
IC203
B-3
IC204
B-2
IC301
B-6
IC502
E-6
IC503
J-5
IC601
I-8
IC602
H-7
IC603
D-8
IC604
D-10
IC901
I-13
PH600 H-7
Q001
B-8
Q002
B-8
Q003
C-9
Q004
C-9
Q101
A-4
Q201
A-11
Q202
A-11
Q203
C-11
Q204
C-12
Q205
A-12
Q206
A-11
Q207
A-12
Q301
B-8
Q302
B-6
Q303
A-6
Q304
B-6
Q305
B-5
Q306
B-5
Q307
C-7
Q308
C-7
Q311
D-9
Q312
B-7
Q313
B-8
Q315
B-5
Q401
D-2
Q402
D-1
Q403
D-2
Q404
C-3
Q501
D-6
Q502
E-7
Q503
F-6
Q505
D-6
Q506
D-2
Q507
H-6
Q509
F-6
Q511
F-1
Q600
D-12
Q601
F-11
Q602
J-7
Q603
I-7
Q604
H-6
Q605
E-12
Q606
F-11
Q607
H-13
Q608
D-12
Q901
H-13
Q902
H-13
TRANSISTOR
DIODE
D001
B-8
D002
B-8
D003
C-9
D004
D-8
D005
B-8
D006
A-3
D100
B-5
D203
C-11
D300
A-9
D301
B-9
D302
B-6
D303
B-5
D304
B-5
D305
B-5
D306
C-5
D307
C-5
D308
B-5
D309
B-6
D310
A-6
D311
C-6
D312
C-6
D313
A-8
D315
B-7
D316
C-7
D317
B-9
D314
A-9
D319
C-7
D320
C-6
D321
B-6
D322
B-6
D401
D-2
D402
C-3
D403
B-2
D404
C-2
D405
C-1
D406
B-1
D407
C-2
D408
C-1
D409
A-1
D504
D-5
D505
H-6
D506
F-6
D507
F-6
D508
I-5
D509
F-6
D510
F-5
D511
F-5
D512
G-5
D513
I-5
D517
F-2
D518
F-2
D519
F-2
D520
E-5
D521
I-4
D522
J-4
D523
H-4
D525
F-5
D526
F-6
D527
F-3
D528
F-3
D529
F-5
D530
F-2
D531
E-6
D532
E-6
D533
D-2
D534
E-6
D600
G-13
D601
I-8
D602
G-13
D603
F-11
D604
J-7
D605
G-10
D606
E-11
D607
F-10
D608
F-11
D609
H-8
D610
J-8
D611
I-7
D612
F-8
D613
I-7
D614
H-7
D615
E-7
D616
E-9
D617
F-8
D618
F-9
D620
D-8
D621
F-9
D622
F-8
D623
F-12
D624
F-12
D625
D-12
D627
F-8
D628
G-5
D629
F-9
D630
E-10
D631
G-12
D632
F-12
D633
E-12
D634
F-11
D635
F-12
D636
D-12
D637
F-11
D638
E-11
D901
C-13
D902
D-13
D903
C-13
D904
D-13
D905
F-13
D906
I-13
F
[CISPR]
– F Board –
NO TE:
The circuit indicated above contains high voltage of over
600 Vp-p. Please pay attention when inspecting or repair-
ing it to prevent an electric shock.
The circuit indicated above contains high voltage of over
600 Vp-p. Please pay attention when inspecting or repair-
ing it to prevent an electric shock.
A
1
2
3
4
5
6
7
8
9
10
11
12
13
B
C
D
E
F
G
H
I
J
– 52 –
– 51 –
– 50 –
(3) Schematic Diagrams of C3 and F boards
Schematic diagrams
C
3
F
boards
/
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
C
3
– C
3
Board –
[RGB OUT]
PRINTED WIRING BOARDS
PAL/SECAM
113Vp-p (H)
120Vp-p (H)
NTSC
22Vp-p (H)
NTSC
117Vp-p (H)
PAL :
SECAM : 126Vp-p (H)
116Vp-p (H)
113Vp-p (H)
PAL/SECAM
1
2
2
3
3
4
C3 BOARD WAVEFORMS
C3 BOARD IC701
BLUE CATHODE
CURRENT
(RED CATHODE CURRENT,
GREEN CATHODE CURRENT)
VDD
VDD
BLUE INPUT
(GREEN INPUT,
RED INPUT)
(RED FEEDBACK,
GREEN FEEDBACK)
BLUE FEEDBACK
(RED OUTPUT,
GREEN OUTPUT)
BLUE OUTPUT
GROUND
GND
REFERENCE
VOLTAGE
H
KG
G2
CV
KR G1
G4 HV
KB
1
1
1
1
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
1
2
3
R738
R739
R740
C708
C709
C710
D711
C704
C701
R734
R703
L701
R760
R
761
R762
D710
C736
C737
C746
C703
CN705
C702
C714
R723
C716
CN701
RV702
J701
D712
CN704
D717
D716
CN703
R711
R713
R715
L710
L711
L712
R720
R722
R724
R719
R725
R726
R727
R731
R732
R733
R755
R756
R757
D713
D714
D715
R706
R707
C706
D709
D703
D708
D702
D701
Q707
D707
Q709
Q708
Q712
Q711
Q710
CN702
R708
R705
R721
C718
C719
R714
R712
R710
L706
Q706
Q705
Q
7
0
4
R
7
3
0
R729
C713
R728
C712
C717
CN706
#
0.0047
2kV
E
4.7
250V
0.022
400V
:PP
470p
B
470p
B
470p
B
470p
B
470p
B
470p
B
1SS119
1SS119
:EL0607
100k
1/2W
1/2W
100
1/2W
100
100
100
JW(5MM)
JW
(5
MM)
JW(5MM)
270k
:RN
680p
B
100
16V
16V
0.001
B
3P
:MINI
SOCKET
110M
1SS119
1P
:TAB
RD9.1ES-T1B
1SS119
6P
WHT
:S-MICRO
1.5k
1/2W
1/2W
1.5k
1/2W
1/2W
1.5k
1/2W
1/2W
JW(5mm)
JW(5mm)
JW(5mm)
220
:FPRD
220
:FPRD
220
:FPRD
120k
:RN
3.9k
3.9k
3.9k
22
22
22
#
#
#
#
#
#
#
#
#
1SS119
PROTECT
1SS119
PROTECT
1SS119
PROTECT
1SS119
PROTECT
1SS119
PROTECT
2SA1091
B IK
PROTECT
1SS119
PROTECT
2SA1091
R IK
PROTECT
2SA1091
G IK
PROTECT
2SC2785
R AMP
2SC2785
G AMP
2SC2785
B AMP
1P
:TAB
4.7
2W
:RS
3.9
2W
:RS
220k
:RN
100
16V
16V
680p
CERAMIC
8.2k
3W
:RS
8.2k
3W
:RS
8.2k
3W
:RS
2SC3271
R OUT
2SC3271
G OUT
2
S
C
3
2
7
1
B
O
U
T
1
8
0
180
820p
B
180
680p
B
100p
1P
TAB:CONTACT
200V
FOCUS
G2
H.STAT
FV
GND
H1
TO A BOARD
IK
GND
TO A BOARD
9V
B IN
G IN
R IN
G2
E
GND
TO A BOARD
CN505
CN505
CN305
TO G2-FBT
2
6
7
0
.8
1
1
8
1
1
9
123
8.4
118
8
.8
8.3
119
8
.9
8.4
123
8
.8
118
*
118
119
0
.8
120
122
1.0
123
1.8
*
1.8
1.7
8.4
2
.1
1.7
8.4
2.0
B
G
R
R
G
B
200V
200V
9V
9V
9V
9V
(RGB OUT)
TO FBT
PICTURE TUBE
A34LRG70X
B-SSS10592-K..-C3..PF14
TO A BOARD FBT
1
2
1
2
1
2
3
4
1
2
3
4
CN4603
CN4601
CN4602
C4601
T4601
C
6
5
4
VDR461
T4602
R4601
C4602
1P
:TAB
2P
:VH
2P
:VH
#
LFT
0
.0
0
4
7
2
5
0
V
C
E
R
A
M
IC
ERZV14D621
LFT
1M
1/2W
:RC
0.47
250V
250V
:PT
AC IN
AC IN
AC OUT
AC OUT
GND
TO A BOARD
CN104
TO A BOARD
CN601
B-SSS10592-K..-F..PF14
F4601
T3.15A
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