Sony KV-25B5E Service Manual ▷ View online
55
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
<RGB SEL>
YM SW
DYNAMIC COLOR
<DY COL>
Y32 SW
PICTURE AMP
<PICTURE>
GAMMA AMP
<GAMMA>
CLAMP
BRIGHT CONT
<BRIGHT>
DRIVE AMP
<R/G/B DRIVE>
R/G/B BLK
<PON>
<RGB ON>
CUTOFF CONT
<R/G/B CUTOFF>
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
A G C
T U N E R
A G C
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.
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
1
£ 1-571-433-21 SWITCH, PUSH (AC POWER)
2
*A-1624-079-A F BOARD, COMPLETE
3
4-204-596-01 BRACKET, H
4
4-389-201-11 HOLDER, AC CORD
5
£ 1-756-286-11 CORD, POWER
6
*4-202-775-06 BRACKET, MAIN
7
£ 1-453-264-11 TRANSFORMER ASSY, FLYBACK NX-1680/U2B4
(KV-25B5)
£ 1-453-265-11 TRANSFORMER ASSY, FLYBACK NX-1681/U2B4
(KV-29B5)
8
8-598-432-00 TUNER (BTP-AC411)
9
*A-1652-052-A S1 BOARD, COMPLETE
10
*A-1632-747-A A BOARD, COMPLETE (KV-25B5)
*A-1632-720-A A BOARD, COMPLETE (KV-29B5)
11
*A-1646-177-A H BOARD, COMPLETE
12
1-504-565-11 SPEAKER (8CM)
13
7-685-648-79 SCREW +BVTP 3X12 TYPE2 IT-3
14
7-685-663-71 SCREW +BVTP 4X16 TYPE2 IT-3
15
X-4200-162-3 COVER (R) ASSY, SPEAKER (KV-25B5)
X-4200-166-3 COVER (R) ASSY, SPEAKER (KV-29B5)
16
4-203-071-02 COVER, REAR (KV-25B5)
4-203-072-02 COVER, REAR (KV-29B5)
17
X-4200-161-3 COVER (L) ASSY, SPEAKER (KV-25B5)
X-4200-165-3 COVER (L) ASSY, SPEAKER (KV-29B5)
6
5
4
3
1
10
11
2
9
8
7
12
13
14
15
14
14
16
17
13
12
14
57
REF. NO. PART.NO DESCRIPTION REMARK
REF. NO. PART.NO DESCRIPTION REMARK
6-2. PICTURE TUBE
65
69
54
52
51
73
74
75
76
77
62
64
59
53
66
67
68
71
72
70
58
51
X-4200-432-1 BEZNET ASSY (KV-25B5) 53-59
X-4200-431-1 BEZNET ASSY (KV-29B5)
52
4-202-754-01 GRILLE (L), SPEAKER (KV-25B5)
4-202-751-01 GRILLE (L), SPEAKER (KV-29B5)
53
4-047-464-01 CATCHER, PUSH
54
4-204-593-01 DOOR
55
4-703-035-11 SHAFT, LID
56
4-204-594-01 BUTTON, POWER
57
4-204-426-01 SPRING
58
4-202-755-01 GRILLE (R), SPEAKER (KV-25B5)
4-202-752-01 GRILLE (R), SPEAKER (KV-29B5)
59
4-204-595-01 GUIDE, LIGHT
60
4-202-753-01 REFLECTOR
61
£ 8-733-254-05 PICTURE TUBE (SD-257) (M60LCS60X)
(KV-25B5)
£ 8-733-856-05 PICTURE TUBE (SD-269) (M68LCT60X)
(KV-29B5)
62
£ 8-451-404-23 DEFLECTION YOKE (Y25GXABA) (KV-25B5)
£ 8-451-467-12 DEFLECTION YOKE (Y29GXA2B) (KV-29B5)
63
£ 8-453-005-21 NECK ASSY (NA297-M2) (KV-29B5)
64
*A-1644-088-A VM BOARD, COMPLETE (KV-29B5)
65
*A-1638-111-A C BOARD, COMPLETE
66
4-369-318-21 SPRING, TENSION (KV-25B5)
4-200-433-11 SPRING, EXTENSION (KV-29B5)
67
£ 1-416-465-11 COIL, DEMAGNETIC (KV-25B5)
£ 1-416-654-11 COIL, DEMAGNETIC (KV-29B5)
68
4-203-390-01 CUSHION, DGC
69
4-202-745-01 HOLDER, DGC (25”) (KV-25B5)
4-202-749-01 HOLDER, DGC (29”) (KV-29B5)
70
3-704-495-01 SPACER, DY
71
£ 1-251-317-31 CAP ASSY, HIGH-VOLTAGE
72
4-204-255-01 SCREW (PT)
73
4-308-870-00 CLIP, LEAD WIRE
74
1-425-032-00 MAGNET, DISK; 10MM
75
1-452-094-00 MAGNET, ROTATABLE DISK; 15MM
76
X-4387-214-1 PERMALLOY ASSY, CORRECTION
77
3-701-007-00 BAND, BINDING
61
68
57
55
56
60
63
67
60
REF. NO. PART.NO DESCRIPTION REMARK
REF. NO. PART.NO DESCRIPTION REMARK
58
SECTION 7
ELECTRICAL PARTS LIST
•
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.
•
All variable and adjustable resistors
have characteristic curve B, unless
otherwise noted.
have characteristic curve B, unless
otherwise noted.
•
RESISTORS
•
All resistors are in ohms.
•
F : nonflammable.
When indicating parts by reference number,
please include the board name.
please include the board name.
CAPACITORS
COILS
MF : mF, PF : mmF
MMH : mH , uH
A
F
*A-1624-079-A F BOARD, COMPLETE
*****************
< CONNECTOR >
CN603 £ *1-580-843-11 PIN, CONNECTOR (POWER)
CN604A £ *1-691-291-11 PIN, CONNECTOR (PC BOARD) 5P
< FUSE >
F601 £ 1-576-232-11 FUSE (H.B.C.) 5A/250V
£ *1-533-725-11 HOLDER, FUSE (F601)
< SWITCH >
S601 £ 1-571-433-21 SWITCH, PUSH (AC POWER)
*****************************************************************
*A-1632-747-A A BOARD, COMPLETE (KV-25B5)
******************
*A-1632-720-A A BOARD, COMPLETE (KV-29B5)
******************
4-382-854-01 SCREW (M3X8), P, SW (+)
4-382-854-11 SCREW (M3X10), P, SW (+)
< CAPACITOR >
C004 1-164-004-11 CERAMIC CHIP 0.1MF 10% 25V
C005 1-163-105-00 CERAMIC CHIP 33PF 5% 50V
C006 1-163-105-00 CERAMIC CHIP 33PF 5% 50V
C007 1-126-935-11 ELECT 470MF 20% 16V
C008 1-126-964-11 ELECT 10MF 20% 50V
C009 1-126-965-11 ELECT 22MF 20% 50V
C010 1-126-959-11 ELECT 0.47MF 20% 50V
(KV-29B5)
C011 1-126-965-11 ELECT 22MF 20% 50V
C012 1-126-959-11 ELECT 0.47MF 20% 50V
C013 1-163-017-00 CERAMIC CHIP 0.0047MF 10% 50V
C016 1-164-004-11 CERAMIC CHIP 0.1MF 10% 25V
C018 1-164-232-11 CERAMIC CHIP 0.01MF 10% 50V
C019 1-164-004-11 CERAMIC CHIP 0.1MF 10% 25V
C022 1-126-935-11 ELECT 470MF 20% 16V
C024 1-104-665-11 ELECT 100MF 20% 25V
C025 1-130-495-00 FILM 0.1MF 5% 50V
C028 1-163-117-00 CERAMIC CHIP 100PF 5% 50V
(KV-29B5)
C029 1-163-077-00 CERAMIC CHIP 0.1MF 10% 25V
C030 1-104-665-11 ELECT 100MF 20% 25V
C031 1-163-017-00 CERAMIC CHIP 0.0047MF 10% 50V
C032 1-163-077-00 CERAMIC CHIP 0.1MF 10% 25V
C033 1-164-004-11 CERAMIC CHIP 0.1MF 10% 25V
C035 1-164-232-11 CERAMIC CHIP 0.01MF 10% 50V
C036 1-163-017-00 CERAMIC CHIP 0.0047MF 10% 50V
C037 1-163-017-00 CERAMIC CHIP 0.0047MF 10% 50V
C038 1-126-964-11 ELECT 10MF 20% 50V
C039 1-163-017-00 CERAMIC CHIP 0.0047MF 10% 50V
C040 1-163-125-00 CERAMIC CHIP 220PF 5% 50V
C041 1-163-205-00 CERAMIC CHIP 0.001MF 10% 50V
C042 1-126-933-11 ELECT 100MF 20% 16V
C043 1-126-935-11 ELECT 470MF 20% 16V
C103 1-104-665-11 ELECT 100MF 20% 25V
C105 1-126-965-11 ELECT 22MF 20% 50V
C108 1-163-465-11 CERAMIC CHIP 9PF 0.25PF 50V
C109 1-164-004-11 CERAMIC CHIP 0.1MF 10% 25V
C110 1-164-004-11 CERAMIC CHIP 0.1MF 10% 25V
C111 1-216-296-00 SHORT 0
C112 1-164-232-11 CERAMIC CHIP 0.01MF 10% 50V
C115 1-164-489-11 CERAMIC CHIP 0.22MF 10% 16V
C116 1-126-961-11 ELECT 2.2MF 20% 50V
C117 1-126-961-11 ELECT 2.2MF 20% 50V
C118 1-164-004-11 CERAMIC CHIP 0.1MF 10% 25V
C129 1-104-664-11 ELECT 47MF 20% 16V
C133 1-163-153-91 CERAMIC 6PF 0.25PF 50V
C134 1-128-551-11 ELECT 22MF 20% 25V
C135 1-164-004-11 CERAMIC CHIP 0.1MF 10% 25V
C137 1-163-017-00 CERAMIC CHIP 0.0047MF 10% 50V
C138 1-164-004-11 CERAMIC CHIP 0.1MF 10% 25V
C139 1-164-232-11 CERAMIC CHIP 0.01MF 10% 50V
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