Sony KV-XF25M80 (serv.man2) Service Manual ▷ View online
– 48 –
– 47 –
KV-XF25M80
RM-954
KV-XF25M80
RM-954
5-3. CIRCUIT BOARDS LOCATION
5-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
Note:
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise noted.
•
All resistors are in ohms.
k
k
Ω
= 1000 , M
Ω
= 1000k
Ω
•
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 repair.
•
All variable and adjustable resistors have characteristic curve B
unless otherwise noted.
unless otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark : PAL
( ) : SECAM
[ ] : NTSC 3.58
«
no mark : PAL
( ) : SECAM
[ ] : NTSC 3.58
«
»
: NTSC 4.43
•
Readings are taken with a 10 M
Ω
digital multimeter.
•
Voltage are dc with respect to ground unless other-
wise noted.
wise noted.
•
Voltage variations may be noted due to normal pro-
duction tolerances.
duction tolerances.
•
All voltages are in V.
•
*
: 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
!
!
!
!
!
are critical for safety. Replace only with
part number specified.
VM1
A
B2
B3
F
H3
C
– 50 –
– 49 –
KV-XF25M80
RM-954
KV-XF25M80
RM-954
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
D308
B-4
D309
B-6
D310
A-6
D311
C-6
D312
C-7
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
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
A
1
2
3
4
5
6
7
8
9
10
11
12
13
B
C
D
E
F
G
H
I
J
[SYSTEM CONTROLLER, Y/C JUNGLE, DEFLECTION,
TUVIF, FRONT AMP, POWER SUPPLY]
TUVIF, FRONT AMP, POWER SUPPLY]
NO TE:
The circuit indicated at left 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 at left contains high voltage of over
600 Vp-p. Please pay attention when inspecting or repair-
ing it to prevent an electric shock.
PRINTED WIRING BOARD
– A Board –
A BOARD
A
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