DOWNLOAD Sony KV-25K5A Service Manual ↓ Size: 8.89 MB | Pages: 53 in PDF or view online for FREE

Model
KV-25K5A
Pages
53
Size
8.89 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-25k5a.pdf
Date
PREV: Sony KV-29X5A Service Manual

Sony KV-25K5A Service Manual ▷ View online

53
54
5-4 SEMICONDUCTORS
CATHODE
ANODE
CATHODE
ANODE
1
5
B
E
C
E
C
B
E
C
B
E
C
B
1
2
3
1   V 
OUT
2   V 
IN
3   GND
1
4
5
8
( TOP VIEW )
1
(TOP VIEW)
8
9
16
C
B
E
2
3
5
6
7
1
4
E
B
C
B
C
E
LETTER SIDE
CATHODE
ANODE
2
1
3
1
3
2
STV9379
DTA144ESA
DTA144ESA-TP
DTC114EK
DTC114EKA-T146
DTC143TKA-T146
DTC144EKA-T-146R
2SA1037K-T-146-
R2SA1162-G
2SC2412K-QR
2SC2412K-T-146-R
CD4052BCM
SBX1981-51
BF871-127
ST24W08FM6TR
BF421-AMMO
2SA1091-O
SE-135N
SE135N-LF12
2SA933AS-QRT
2SA933AS-RT
2SC1740S-RT
ERA81-004TP1
ERA83-006
MTZJ-T-77-3.9B
MTZJ-T-77-5.6B
MTZJ-T-77-5.6C
MTZJ-T-77-6.8A
MTZJ-T-77-6.8C
MTZJ-T-77-7.5C
MTZJ-T-77-9.1A
MTZJ-T-77-9.1A
MTZJ-T-77-10
DAN202K
DAN202K-T146
AK04-V1
AU-012-V1
BYD33G
BYD33G-
AMMO
DINL20-TR
ERB44-06TP1
EG-1Z-V1
EL1Z
ERD28-06S
LM358DR-EZ
NJM4558M-TE2
NJM2903D
( TOP VIEW )
1
4
8
5
SAA5497PS/MIA/038
SAA5497PS/MIA/039
SAA5497PS/MIA040
( TOP VIEW )
52
27
1
26
STR-F6654
TDA7495
TDA9818-V1
TDA9817-V1
( TOP VIEW )
1
12
24
13
TOP209P
( TOP VIEW )
1
4
8
5
TYA7805CTV
TYA7809CTV
B
C
E
2SK2251-01-F19
E
B
C
SEL12108-D
UF4005PK623
1
( TOP VIEW )
31
64
32
TDA9875
TDA9870
8
7
6
5
1
3
4
( TOP VIEW )
2
LM393P
TDA2822M
TEA2124
IRF614
CATHODE
ANODE
1
15
ERD28-08S
ERC06-15
FMN-G12S
RG1CLF-B1
RGP10GPKG23
RU3YX-LF-C4
RU3YX-V1
RU-4AM-T3
1SS292T-77
MTZJ-T-77-33A
MTZJ-33C
MTZJ-7.5B
RD3.9ES-B2
RD5.6ESB2
RD6.8ES-B2
RD7.5ESB2
RD9.1ES-B3
1SS119-25TD
1SS133T-77
2SC4793
2SA1837
2SC688-LK
55
45
APC
<HUE>
C VCO
4.433619MHz
3.579545MHz
9.582058MHz
PAL/NTSC
DEMOD
COLOR SYSTEM DISCRIMINATOR
PAL ID <PAL/NTSC> <XTAL ID>
PAL/NTSC COLOR KILLER <KILLER>
SECAM ID <SECAM>
<XTAL> <COL SYSTEM> <COL LOOP>
<ID START> <ID STOP> <HUE>
CHROMA
AMP
BPF
PAL 4.43MHz
NTSC 3.58MHz
<C BPF>
BELL
FILTER
(ZAP)
LIM
AMP
PLL
SECAM
FM DEMOD
ACO DET.
ACC AMP
ACC AMP
ACC DET
FILTER ALIGNMENT
CHROMA SW
Y SW
MONITOR SW
VIDEO SW
<VIDEO SEL>
<S SEL>
ATT
V SYNC SEP
<VSS>
<VSS LPF>
H SYNC SEP
<HSS>
COUNT DOWN     LINE COUNTER
               V TIM GEN
<FIELD FREQ>     <UNDER SCAN>
<CD MODE>
<INTERLACE>      <FIELD ID>
H SAW GEN
H OSC
<ZAP>
DL
PAL/NTSC
300 x 200nS
SECAM
300 x 200nS
<Y DELAY>
SHARPNESS DL
SHARPNESS AMP
<SHARPNESS>
<SHP FO>
<PREOVER>
SECAM
VCO
CAL. by
4.43MHz
DE-
EMPHASIS
LINE BLK
SW
NTSC
PAL,SECAM
KILLER
<KILLER OFF>
1H
DELAY LINE
(PAL/SECAM)
DPIC
<DPIC>
<AGING>
CLAMP
DC TRAN
<DC TRAN>
EYUV CLAMP
YUV SW
<Y SEL>
YUV OUT
<C DECOD>
COLOR AMP
<COLOR>
<C DFF>
AXIS
<COL MATRIX>
Y/C MIX
RGB CLAMP
VPROT
<VNG>
VM AMP
(OFF YS/YM)
WIDE SAW FUNC
<ASPECT>
<SCROLL>
<UPPER VLIN>
<LOWER VLIN>
<V ZOOM>
<V UNDER SCAN>
PHASE DET
<H POSITION>
<AFC BOW>
<AFC ANGLE>
HPROT
<HNG>
AKB
<IKR>
DAC
SW
PC BUS
DECODER
STATUS I/T
EW PARABOLA FUNC
<H SIZE>
  <TRAPEZIUM>
<PIN AMP>
  <EW DC>
<CORNER PIN>
48
47
46
5
1
15
39 38 37
28
27
26 25
32
31
30 29
23
24
35
14
11
19
18
20
36
42
3
CLAMP
RGB 2/2
ABL/PEAK LIM
<ABL MODE>
<ABL VTH>
17
5
IREF             REG
33
10
12
16
13
4
7
9
6
41
2
43
HD GEN
<HD W>
V SAW GEN
(50/50)
VTIM
H TIM GEN
<H BLK>
<LEFT HBLK>
<RIGHT HBLK>
AFC
<APC GAIN>
<FH HIGH>
<H CENT>
21
22
34
VD SAW FUNC
<VON>
      <S CORRECTION>
<VSIZE>                      <V LINEARITY>
<V POSITION>
      <EHT COMP>
TRAP
PAL 4.43MHz
NTSC 3.58MHz
SECAM 4.2 - 4.43MHz
<TRAP OFF>
YS1
 SW
<
R
G
B
 SEL
>
YM
 SW
DY
NA
M
IC CO
L
O
R
<D
Y
 C
O
L>
Y
32 S
W
P
ICT
URE
 A
M
P
<
P
ICT
URE
>
G
A
MMA
 A
M
P
<G
A
MMA
>
CL
A
M
P
B
R
IG
HT
 CO
NT
<B
R
IGH
T>
D
R
IVE AM
P
<
R
/G
/B DRIVE>
R
/G
/B BL
K
<P
ON
>
<R
GB
 ON
>
CUT
O
F
F
 CO
NT
<
R
/G
/B CUT
O
F
F
>
A BOARD IC301 CXA2060AS
20
21
SIF
AMPLIFIER
SIF
AGC
AFC
DETECTOR
VOLTAGE
REFERENCE
INTERCARRIER
MODE SWITCH
VCO
TWO
FPLL
FM-PLL DEMODULATOR
VIF
AMPLIFIER
VIF
AGC
TUNER
AGC
QSS MIXER
INTERCARRIER
MIXER
AM DEMODULATOR
VIDEO
DEMODULATOR
AND AMPLIFIER
3
12
13
11
10
9
5
24
23
2
1
14
22
15
4
6
19
7
18
17
16
8
A BOARD IC101 TDA9817/V1
1
5
MUTE/STBY
PROTECTIONS
14
9
10
12
4
3
2
VOLUME
VOLUME
OP AMP
OP AMP
30K
30K
60K
A BOARD IC201 TDA7495
REG
T.S.D
O.V.P
LATCH
Iconst
O.S.C
DRIVE
START
5
3
2
1
4
A BOARD IC606 STR-F6654
FLYBACK
GENERATOR
THERMAL
PROTECTION
2
6
3
5
4
7
1
POWER
AMPLIFIER
+
-
A BOARD IC501 STV 9379
5-5. IC BLOCK DIAGRAMS
56
•
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 indi-
cated 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.
REF. NO.              PART.NO                    DESCRIPTION                                     REMARK
REF. NO.              PART.NO                    DESCRIPTION                                     REMARK
6-1.  CHASSIS
NOTE :
SECTION 6
EXPLODED VIEWS
KV-25K5/29K5
 
9
 
8
 
7
 
5
 
1
 
2
 
3
 
4
 
10
7-685-663-79  x  1
7-685-663-71  x  8
 
6
KV-25K5U/
KV-29K5U only
1
£
  1-571-433-21 SWITCH, PUSH (AC POWER)
2
 
 *4-204-141-01 BRACKET, MAIN
3
 
 *4-202-531-01 AC CORD LOCK (SC)
4
£
  1-765-286-11 CORD, POWER  (KV-25K5A/25K5B/25K5D/25K5E/
                                  29K5A/29K5B/29K5D/29K5E)
£
  1-776-204-11 CORD, POWER (FILTER)     (KV-25K5U/29K5U)
5
£
  1-453-264-11 TRANSFORMER ASSY, FLYBACK (NX-1680/U2B4) 
                        (KV-25K5A/25K5B/25K5D/25K5E/25K5U)
£
  1-453-265-11 TRANSFORMER ASSY, FLYBACK (NX-1681/U2B4) 
                        (KV-29K5A/29K5B/29K5D/29K5E/29K5U)
6
 1-693-418-11
TUNER (TELE9-001A) 
                              (KV-25K5A/25K5B/25K5D/25K5E/
                                  29K5A/29K5B/29K5D/29K5E)
 8-598-464-00
TUNER (FSS-BTP-AU611)    (KV-25K5U/29K5U)
7
*A-1652-055-A
S1 BOARD, COMPLETE 
                              (KV-25K5A/25K5D/29K5A/29K5D)
*A-1652-059-A
S1 BOARD, COMPLETE (KV-25K5B/29K5B)
*A-1652-054-A
S1 BOARD, COMPLETE       (KV-25K5E/25K5U/
                                              29K5E/29K5U)
8
*A-1632-740-A
A BOARD, COMPLETE (KV-25K5A)
 
*A-1632-738-A
A BOARD, COMPLETE (KV-25K5B)
 
*A-1632-739-A
A BOARD, COMPLETE (KV-25K5D)
*A-1632-737-A
A BOARD, COMPLETE (KV-25K5E)
 
*A-1632-736-A
A BOARD, COMPLETE (KV-25K5U)
*A-1632-735-A
A BOARD, COMPLETE (KV-29K5A)
*A-1632-734-A
A BOARD, COMPLETE (KV-29K5B)
*A-1632-733-A
A BOARD, COMPLETE (KV-29K5D)
*A-1632-732-A
A BOARD, COMPLETE (KV-29K5E)
*A-1632-731-A
A BOARD, COMPLETE (KV-29K5U)
9
*A-1646-160-A
H1 BOARD, COMPLETE
10
 X-4200-307-3
COVER ASSY, REAR (KV-25K5A/25K5B/25K5D/
                     25K5E/25K5U)
 X-4200-304-2
COVER ASSY, REAR (KV-29K5A/29K5B/29K5D/
                     29K5E/29K5U)
11
 4-203-713-11
COVER REAR       (KV-25K5A/25K5B/25K5D/
                     25K5E/25K5U)
 4-203-705-11
C0VER, REAR      (KV-29K5A/29K5B/29K5D/
                     29K5E/29K5U)
 
11
57
KV-25K5/29K5
REF. NO.              PART.NO                   DESCRIPTION                                     REMARK
REF. NO.              PART.NO                   DESCRIPTION                                     REMARK
6-2.  PICTURE TUBE
 
62
 
61
 
63
 
64
 
67
 
66
 
58
 
53
 
56
 
55
 
54
 
52
 
51
 
73
 
74
 
75
 
76
 
72
 
69
 
71
 
70
 
66
 
65
 
57
 
60
 
59
 
68
 
70
 
71
 
69
 
68
51
 X-4200-306-5
BEZNET ASSY 
52-57
(KV-25K5A/25K5B/25K5D/25K5E/25K5U)
51
 X-4200-305-7
BEZNET ASSY 
(KV-29K5A/29K5B/29K5D/29K5E/25K5U)
52
 4-047-464-01
CATCHER PUSH
53
 4-203-693-11   DOOR, ORNAMENTAL (KV-29K5A)
 4-203-693-21   DOOR, CONTROL (KV-25K5B/25K5E/25K5U/
                                29K5B/29K5E/29K5U)
 4-203-693-31   DOOR, CONTROL (KV-25K5A/25K5D/29K5D)
 4-203-693-31
DOOR, CONTROL (KV-25K5A/25K5D/29K5D)
54
 4-204-071-01
PLATE, ORNAMENTAL
55
 4-203-704-01
BUTTON POWER
56
 4-202-964-01
SPRING
57
 4-204-070-01
GUIDE, LIGHT
58
£
 8-733-254-05   PICTURE TUBE (SD-257)(M60LCS60X)
(KV-25K5A/25K5B/25K5D/25K5E/25K5U)
£
 8-733-856-05   PICTURE TUBE (SD-269)(M68LCT60X)
(KV-29K5A/29K5B/29K5D/29K5E/29K5U)
59
£
 8-451-404-23   DEFLECTION YOKE (Y25GXABA)
(KV-25K5A/25K5B/25K5D/25K5E/25K5U)
£
 8-451-466-11   DEFLECTION YOKE (Y29GXC2B)
(KV-29K5A/29K5B/29K5D/29K5E/29K5U)
60
£
 8-733-254-76   ITC (KV-25K5A/25K5B/25K5D/25K5E/25K5U)
£
 8-733-856-75   ITC (KV-29K5A/29K5B/29K5D/29K5E/29K5U)
61
£
 8-453-005-21
NECK ASSY PICTURE TUBE (NA297-M2) 
(KV-29K5A/29K5B/29K5D/29K5E/29K5U)
62
*A-1644-090-A
VM BOARD, COMPLETE 
(KV-29K5A/29K5B/29K5D/29K5E/29K5U)
63
*A-1638-112-A
C BOARD, COMPLETE
64
 4-369-318-31
SPRING, TENSION
65
£
 1-416-073-11   COIL, DEMAGNETIZATION
 (KV-25K5A/25K5B/25K5D/25K5E/25K5U)
£
 1-406-867-11   COIL, DEMAGNETIZATION
(KV-29K5A/29K5B/29K5D/29K5E/29K5U)
66
 4-203-390-01
CUSHION, DGC
67
 4-203-877-01
HOLDER, DGC BRACKET 25”
(KV-25K5A/25K5B/25K5D/25K5E/25K5U)
 4-203-878-01
HOLDER, DGC BRACKET 29”
(KV-29K5A/29K5B/29K5D/29K5E/29K5U)
68
 1-505-484-11
SPEAKER (2.6CM)
69
 1-505-674-11
SPEAKER MID RANGE (8CM)
70
 1-505-673-11
SPEAKER WOOFER (10CM)
71
 4-039-358-01
SCREW (4X16), (+) BV TAPPING
72
 4-308-870-00
CLIP, LEAD WIRE
73
 1-452-094-00
MAGNET, ROTATABLE DISK; 15MM Ø
74
 1-452-032-00
MAGNET, DISK; 10MM Ø
75
 X-4387-214-1
PERMALLOY ASSY, CORRECTION
76
 3-701-007-00
BAND, BINDING
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