Sony KV-25X5A Service Manual ▷ View online
52
CATHODE
ANODE
CATHODE
ANODE
B
C
E
LETTER SIDE
CATHODE
ANODE
2
1
3
1
3
2
2SA933AS-QRT
2SA933AS-RT
2SC1740S-RT
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
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
DAN202K-T146
AK04-V1
AU-012-V1
BYD33G
BYD33G-
AMMO
DINL20-TR
ERB44-06TP1
EG-1Z-V1
EL1Z
ERD28-06S
AU-012-V1
BYD33G
BYD33G-
AMMO
DINL20-TR
ERB44-06TP1
EG-1Z-V1
EL1Z
ERD28-06S
2SK2251-01-F19
E
B
C
SEL12108-D
UF4005PK623
CATHODE
ANODE
ERD28-08S
ERC06-15
FMN-G12S
RG1CLF-B1
RGP10GPKG23
RU3YX-LF-C4
RU3YX-V1
RU-4AM-T3
1SS292T-77
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
MTZJ-33C
MTZJ-7.5B
RD3.9ES-B2
RD5.6ESB2
RD6.8ES-B2
RD7.5ESB2
RD9.1ES-B3
1SS119-25TD
1SS133T-77
5-4 SEMICONDUCTORS (2)
53
45
APC
<HUE>
C VCO
4.433619MHz
3.579545MHz
9.582058MHz
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>
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>
PAL 4.43MHz
NTSC 3.58MHz
<C BPF>
BELL
FILTER
(ZAP)
LIM
AMP
PLL
SECAM
FM DEMOD
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>
<CD MODE>
<INTERLACE> <FIELD ID>
H SAW GEN
H OSC
<ZAP>
<ZAP>
DL
PAL/NTSC
300 x 200nS
SECAM
300 x 200nS
<Y DELAY>
PAL/NTSC
300 x 200nS
SECAM
300 x 200nS
<Y DELAY>
SHARPNESS DL
SHARPNESS AMP
<SHARPNESS>
<SHP FO>
<PREOVER>
SHARPNESS AMP
<SHARPNESS>
<SHP FO>
<PREOVER>
SECAM
VCO
CAL. by
4.43MHz
VCO
CAL. by
4.43MHz
DE-
EMPHASIS
EMPHASIS
LINE BLK
SW
NTSC
PAL,SECAM
KILLER
<KILLER OFF>
NTSC
PAL,SECAM
KILLER
<KILLER OFF>
1H
DELAY LINE
(PAL/SECAM)
DELAY LINE
(PAL/SECAM)
DPIC
<DPIC>
<AGING>
CLAMP
DC TRAN
<DC TRAN>
DC TRAN
<DC TRAN>
EYUV CLAMP
YUV SW
<Y SEL>
YUV OUT
<C DECOD>
YUV SW
<Y SEL>
YUV OUT
<C DECOD>
COLOR AMP
<COLOR>
<C DFF>
AXIS
<COL MATRIX>
<COLOR>
<C DFF>
AXIS
<COL MATRIX>
Y/C MIX
RGB CLAMP
VPROT
<VNG>
VM AMP
(OFF YS/YM)
<VNG>
VM AMP
(OFF YS/YM)
WIDE SAW FUNC
<ASPECT>
<SCROLL>
<UPPER VLIN>
<LOWER VLIN>
<V ZOOM>
<V UNDER SCAN>
<SCROLL>
<UPPER VLIN>
<LOWER VLIN>
<V ZOOM>
<V UNDER SCAN>
PHASE DET
<H POSITION>
<AFC BOW>
<AFC ANGLE>
HPROT
<HNG>
<H POSITION>
<AFC BOW>
<AFC ANGLE>
HPROT
<HNG>
AKB
<IKR>
DAC
SW
PC BUS
DECODER
STATUS I/T
EW PARABOLA FUNC
<H SIZE>
<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>
<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>
<VON>
<S CORRECTION>
<VSIZE> <V LINEARITY>
<V POSITION>
<V POSITION>
<EHT COMP>
TRAP
PAL 4.43MHz
NTSC 3.58MHz
SECAM 4.2 - 4.43MHz
<TRAP OFF>
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>
Y3
2
SW
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
54
•
Items with no part number and no description are not
stocked because they are seldom required for routine
service.
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.
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.
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-25X5
12
11
9
8
7
5
12
1
2
3
4
11
KV-25X5L /
KV-25X5U only
KV-25X5U only
7-685-663-79 x 1
7-685-663-71 x 4
7-685-663-71 x 4
14
11
15
13
6
10
1
£
1-571-433-21
SWITCH, PUSH (AC POWER)
2
*4-204-051-01
BRACKET, MAIN
3
4-202-531-01
AC CORD LOCK (SC)
4
£
1-765-286-11
CORD, POWER (KV-25X5A/25X5B/25X5D/25X5E/
25X5K/25X5R/25X5U)
1-776-860-11
CORD, POWER FILTER (UK) (KV-25X5L)
5
£
1-453-264-11
TRANSFORMER ASSY, FLYBACK (NX1680/U2B4)
6
1-693-418-11
TUNER (TELE9-001A) (KV-25X5A/25X5B/
25X5D/25X5L)
8-598-432-00
TUNER (BTP-AC411)(KV-25X5E/25X5K)
8-598-361-01
TUNER (BTP-AC402)(KV-25X5R)
8-598-464-01
TUNER (BTP-AU611)(KV-25X5U)
7
*A-1652-053-A
S1 BOARD, COMPLETE (KV-25X5A/25X5D/25X5R)
*A-1652-056-A
S1 BOARD, COMPLETE (KV-25X5B)
*A-1652-052-A
S1 BOARD, COMPLETE (KV-25X5E/25X5K/25X5L/
25X5U)
25X5U)
8
*A-1632-750-A
A BOARD, COMPLETE (KV-25X5A)
*A-1632-748-A
A BOARD, COMPLETE (KV-25X5B)
*A-1632-746-A
A BOARD, COMPLETE (KV-25X5D)
*A-1632-747-A
A BOARD, COMPLETE (KV-25X5E)
*A-1632-752-A
A BOARD, COMPLETE (KV-25X5K)
*A-1632-751-A
A BOARD, COMPLETE (KV-25X5L)
*A-1632-753-A
A BOARD, COMPLETE (KV-25X5R)
*A-1632-749-A
A BOARD, COMPLETE (KV-25X5U)
9
*A-1646-157-A
H1 BOARD, COMPLETE
10
4-204-052-01
BAFFLE BOARD (R)
11
1-503-902-11
SPEAKER (15X6.5 CM)
12
4-204-054-01
BOX, SPEAKER
13
4-204-053-01 BAFFLE BOARD (L)
14
X-4200-375-1 REAR COVER ASSY
15
4-204-094-01 COVER, REAR
55
KV-25X5
REF. NO. PART.NO DESCRIPTION REMARK
REF. NO. PART.NO DESCRIPTION REMARK
6-2. PICTURE TUBE
53
66
60
61
62
64
63
65
59
56
55
54
52
51
68
69
70
71
72
67
63
58
57
51
X-4200-377-2
BEZNET ASSY
52-57
52
4-047-464-01
CATCHER, PUSH
53
4-204-050-01
DOOR, CONTROL (PAINTED)(BLACK)
54
3-703-035-11
SHAFT, LID
55
4-204-066-01
BUTTON, POWER
56
4-202-964-01
SPRING
57
4-204-067-01
GUIDE LIGHT
58
£
8-733-254-76
ITC
59-60
59
£
8-733-254-05
PICTURE TUBE (SD-257) (M60LCS60X)
60
£
8-451-404-23
DEFLECTION YOKE (Y25GXABA)
61
*A-1638-111-A
C BOARD COMPLETE
62
4-200-433-11
SPRING, EXTENSION (KV-25X5A)
4-369-318-21
SPRING, TENSION (KV-25X5B/25X5D/25X5E/
25X5K/25X5L/25X5R/
25X5U)
25X5K/25X5L/25X5R/
25X5U)
63
4-203-390-11
CUSHION, DGC
64
4-202-745-01
HOLDER, DGC (25”)
65
£
1-406-806-21
COIL, DEMAGNETIZATION
66
3-704-495-01
SPACER, DY
67
4-203-043-01
SCREW (PT)
68
4-308-870-00
CLIP, LEAD WIRE
69
1-452-094-00
MAGNET, ROTATABLE DISK; 15MM Ø
70
1-425-032-00
MAGNET, DISK; 10MM Ø
71
X-4387-214-1
PERMALLOY ASSY, CORRECTION
72
3-701-007-00
BAND, BINDING
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