DOWNLOAD Sony KV-24WX1A Service Manual ↓ Size: 1.14 MB | Pages: 49 in PDF or view online for FREE

Model
KV-24WX1A
Pages
49
Size
1.14 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-24wx1a.pdf
Date
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— 38 —
KV-24WX1
Note :
•
All capacitors are in 
µ
F unless otherwise noted.  pF:  
µµ
F
50WV or less are not indicated except for electrolytic and
tantalums.
•
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 : 5 mm
Rating electrical power     W
•
: nonflammable resistor.
•
: internal component.
•
: panel designation, or adjustment for repair.
•
All variable and adjustable resistors have characteristic curve
B, unless otherwise noted.
•
: earth - ground.
•
: earth - chassis.
•
: no mounted.
  5-2.   CIRCUIT  BOARDS  LOCATION
1
4
/
Reference information
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
:
ADJUSTABLE 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
  5-3.   SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
Note : The components identified by shading and marked
        are critical for safety. Replace only with the
part number specified.
Note : Les composants identifies par une trame et une
marque        sont critiques pour la securite.
Ne les remplacer que par une piece portant le
numero specifie.
•
Readings are taken with a colour-bar signal input.
•
Readings are taken with 10M
Ω
 digital multimeter.
•
Voltages are dc with respect to ground unless otherwise noted.
•
Voltage variations may be noted due to normal production
tolerances.
•
All voltages are in V.
•
Circled numbers are waveform references.
•
: B+ bus.
•
: signal path. (RF)
D
C
D3
A
KV-24WX1
— 63 —
5-4.  SEMICONDUCTORS
STV9379
( TOP  VIEW )
1
8
16
9
TDA4665T-T
8
7
6
5
1
3
4
( TOP VIEW )
2
LM393P
TDA2822M
µPC393C
LM2940CT-5.0
LM2940CT
LM2940T-9.0
MCT7809CT
µPC2405HF
2
3
5
6
7
1
4
CXA2000Q-TL
TDA7264
STR-S6708
 TDA8395T/N3
ST24E32M6TR
MC14052BDR2
E
B
C
BF871-127
L4941BV
TEA7605
1
8
1
10
11
20
1
4
5
8
IN
GND
OUT
E
C
B
DTA144ES
DTC114ES
DTC143TS
DTC144ES
2SC1740S-RT
9
16
1
8
1
9
( TOP VIEW )
( TOP VIEW )
( TOP VIEW )
1
(TOP VIEW)
19
20
32
51
33
64
52
1
2
3
1   V 
OUT
2   V 
IN
3   GND
SE135N 
CXA2040Q-T4
(TOP VIEW)
MSP3400C-PS-C6-T
MSP3410B-PS-F7-T
PST593C-MMP-4P
( TOP VIEW )
SDA5250M-C5-GEG
TMS27PC010A-15FML
BF421L-AMMO
JA101TP-Q
2SA733-K
2SA933AS
2SA933S
2SA1091-O
2SC3502-E
2SC3601-E
2SC2808STP-R
E C B
( TOP VIEW )
C
B
E
 
DTC144EK
2SA1037K
2SA1162-G
2SC2412K
4
1
2
3
( TOP VIEW )
68
61
60
1
52
44
43
35
27
26
18
10
9
1
20
21
40
41
60
61
80
( TOP VIEW )
1 32
30
21
29
4
13
5
20
14
1
3
2
SBX1981-51
— 64 —
KV-24WX1
B
E
C
2SC4793
E
C
B
2SC2688-LK
BAS216
DTZ5.1B
DTZ6.8C
DTZ9.1
DTZ33B
CATHODE
ANODE
CATHODE
ANODE
AU-01Z-V1
EG-1Z-V1
EGP20G
EL1Z
EM1-V1
EU-1-V1
EU2A
EU2-V1
CATHODE
ANODE
MTZJ-3.6A
MTZJ-3.9B
MTZJ-5.1B
MTZJ-5.6B
MTZJ-6.2B
MTZJ-6.8B
MTZJ-7.5C
MTZJ-9.1
MTZJ-T-77-9.1A
2SC4927-01
SLA-570KT3F
B
C
E
CATHODE
ANODE
FMS-3FU
1
2
3
1
2
3
E
C
B
2SA1667
2SC3852A
E
C
B
2SC2785-HFE
D4SB60L
TLP721(D4-)
RD3.9ESB2
RD5.1ESB2
RD5.6ESB2
RD6.2ESB2
RD6.8ESB2
RD7.5ESB2
1SS133T-77
FML-G12S
GP08D
RGP02
RGP10GPKG23
RGP15GPKG23
RU-3YX-V1
RU4AM-T3
MA8330
1SS355
UDZ-TE-17-5.1B
UDZ-TE-17-5.6B
UDZ-TE-17-9.1B
1
2
3
4
— 65 —
KV-24WX1
EXPLODED  VIEWS
SECTION  6
NOTE :
• Items with no part number and no description are not stocked because they
are seldom  required for routine service.
• The construction parts of an assembled part are indicated with a collation
number in the remarks column.
• Items marked  " 
*
  "  are not stocked since they are seldom required for
routine service. Some delay should be anticipated when ordering these
items.
The components identified by
shading and marked
are critical
for safety.
Replace only with the part number
specified.
Les composants identifies par une
trame et une marque
sont
critiques pour la securite.
Ne les remplacer que par une piece
portant le numero specifie.
REF  NO                   PART  NO               DESCRIPTION                                          REMARK
REF  NO 
        
PART  NO 
     
  DESCRIPTION                                          REMARK
1
 1-571-433-31
SWITCH, PUSH (AC POWER)
2
*4-203-315-01
BRACKET, MAIN
3
*A-1640-235-A
D3 BOARD, COMPLETE
4
*4-203-404-01
BRACKET, D3
5
 1-765-286-11
CORD, POWER
2.5A/250V          (KV-24WX1A/24WX1D)
 1-690-270-21
CORD, POWER (WITH CONNECTOR)
2.5A/250V   (KV-24WX1B/24WX1E/24WX1K)
 1-776-860-11
CORD, POWER (FILTER)
3A/250V                   (KV-24WX1U)
6
*4-202-531-01
AC CORD LOCK (SC)
7
*A-1642-189-A
D BOARD, COMPLETE
8
 1-453-220-11
TRANSFORMER ASSY, FLYBACK
                                                 (NX-1670/U2B4)
9
 1-693-338-11
TUNER (TUVIF) (AEP)
                               (KV-24WX1A/24WX1D/24WX1E/24WX1K)
 1-693-340-11
TUNER (TUVIF) (FR) (KV-24WX1B)
 1-693-339-11
TUNER (TUVIF) (UK) (KV-24WX1U)
10
*A-1632-539-A
A BOARD, COMPLETE (KV-24WX1A)
*A-1632-536-A
A BOARD, COMPLETE (KV-24WX1B)
*A-1632-469-A
A BOARD, COMPLETE (KV-24WX1D)
*A-1632-537-A
A BOARD, COMPLETE (KV-24WX1E)
*A-1632-540-A
A BOARD, COMPLETE (KV-24WX1K)
*A-1632-538-A
A BOARD, COMPLETE (KV-24WX1U)
11
 4-203-484-01
COVER, REAR
6-1.
CHASSIS
KV-24WX1U only
1
2
3
4
5
6
11
7
8
9
10
: 7-685-663-71     SCREW +BVTP 4X16 TYPE2 IT-3
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