Part No. SKP20121 E7LGV (SHEET 1/2)
COLOUR TELEVISION
E
E
E
E
C
C
C
C
5
5
5
5
SERVICE REF.NO.
MODEL NUMBER
CHASSIS SERIES
C25EG27-01
25DT1
(C25EG27)
The service Precaution:
The area enclosed by this line
( ) is directly connected with
AC mains voltage. When servicing the
area, connect an isolating transformer
between TV receiver and AC line to
eliminate hazard of electric shock.
NOTIZIE SULLA SICUREZZA DI FUN-
ZIONAMENTO
Ogni sotituzione di componenti va fatta
tenendo conto della sicurezza di funzion-
amento. I componenti indicati sollo
schema con il simbolo /!\ hanno partico-
lare importanza per il sicuro funziona-
mento del TV.
I suddetti componenti devono essere
sostituti esclusivamente con quelli indi-
cati nell'elenco.
PRECAUZIONE DI SERVIZIO
L'area inclusa in questa linea ( )
è collegata direttamente con la tensione
della rete CA quando si serve l'area col-
legare un trasformatore isolante tra il
ricevitore TV e la linea CA per eliminare
il pericolo di scossa elettrica.
Product safety notice:
Product safety should be considered
when a component replacement is
made in any area of a receiver.
Components indicated by a mark /!\ in
this circuit diagram show components
whose values have special signifi-
cance to product safety. It is particu-
larly recommended that only parts
specified on the part service manual
be used for components replacement
pointed out by the mark.
Note sul diagramma di circuito :
1. Tutte i valori di resistenza sono in ohm,
K=1,000, M=1,000,000.
2. Tutte le resistenze nominali watt sono di
1/6 a meno che sia specificato altrimenti.
3. Eccetto per i condensatori elettrolitici, tutti i
valori di capacitanza di meno di sono
espressi in µF, e di piu di 1 sono in pF. I
varoli di capacitanza elettrolitici sono in µF.
4. Tutti volt di capacitanza nominali sono di
50V a meno cha sia indicato altrimenti.
5. Tutti valori di inductanza sono in µH.
6. I valori letti del voltaggio presi con un
"VTVM" proven gono dal punto indicato
sulla massa del chassis, i valori di voltag-
gio presi usando un segnale di barre col-
ore sono con tutti i controlli alle loro
posizioni normali ed il commutatore AFC
in posizione "OFF". Il voltaggio puo variare
con l'intensita del segnale.
7. Le forme di onda furono prese con il seg-
nale di barre colore e i controlli regolati
oppure le forme di onda di immagine nor-
male furono prese usando un oscillatore a
larga banda ed una sonda bassa capasità.
8. Rispetto a quando indicato su questo
schema possono essere state introdotte
delle modifiche.
9.
■
I diodo 1S1555 possono essere sostitutti
con 1S2473, 1S2076 oppure DS472 a
meno che sia specificato altrimenti.
■
I transistori possono essere sostitutti con
2SC536(Q,R,S), 2SC1740(Q,R,S),
2SC945A(Q,R,P) oppure
2SC1815(G,O,Y) a meno che sia speci-
ficato altrimenti.
■
Il transistore 2SA608(E,F) puo essere
sostituito con 2SA933(Q,R),
2SA564(QA,RA), oppure 2SA1015(O,Y)
a meno che sia specificato altrimenti.
Circuit diagram notes :
1. All resistance values are in ohms,
K=1,000, M=1,000,000.
2. All resistance rated wattages are 1/6W
unless otherwise noted.
3. Excepting electrolytic capacitors, all
capacitance values of less than 1 are
expressed in µF and more than 1 are pF.
4. All capacitance rated voltages are 50V
unless otherwise noted.
5. All inductance values are in µH.
6. Voltage readings taken a digital voltmeter
are from point indicated chassis ground.
Voltage readings taken by using a colour
bar signal are with all controls at normal
position. Some voltages may vary with
signal strength.
7. Waveforms were taken with colour bar
and controls adjusted for normal picture.
Waveforms were taken by using a wide
band oscilloscope and a low capacity
probe.
1
AUTO SORTING
OPTION
POWER
LED
SCART
OPTION
KEY SCAN
VOL
BAND 3
IGNOR
SERVICE
TV/AV
VSSD
50/60
VCC
B
R
BLK
VDDA
X-OUT
VDDM
POWER
FAIL
IDENT
VSSA
CVBS0
(TV)
RESET
AFT
Q871/Q872/
Q873/Q874/Q875
L'
H-SYNC
RGBREF
ODD/EVEN
IREF
BLACK
CVBS1
(AV)
L
5.5/6.0
NEGA/POSI
SDA
SCL
POWER
G
V-SYNC
VDDT
OSCGND
X-IN
BLK
RC IN
SCL
SDA
BAND 2
BAND 1
SHARP
NESS
COLOR
CONT
BRIGHT
TUNING
NC
NC
TEST IN
TEST OUT
SAND
CASTLE
TEST IN
GND
VCC1
CLR
CONT
B-IN
G-IN
R-IN
BLK
R-OUT
G-OUT
B-OUT
BRIGHT
TV/AV
S-CHR.
CVBS
EXT(1V)
SHARP
NESS
CVBS
INT(2V)
CAL DEC
GND
VCC
GND
DIS DEC
V-OUT
(2V)
A-IN
SIF-IN
IDENT
(T.B)
IF C/R
IF C/R
SCART OUT
GND
F.B
FILTER
VOL
MUTE
IN
VCC1
VCC2
OUT
R <POWER>
VOL-
VOL+
POS-
POS+
R/C PRE AMP.
VCC
IN
OUT
GND
IC501H
4AA0HA
0018---
Q461H
2HA0034---
ODD/EVEN
Q631/Q685
D649/D669
Q613H
4AA0HA
0020---
D603/.../D606
C603/.../C605
1
2
1
2
D614/D616/D618
IC661H
1AA2HEA
0083--
D831
1SS133:
1SS176
3
2
1
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
2
3
4
5
6
7
1
2
3
3
2
1
5
8
2
3
11
12
13
14
15
16
17
1
4
3
2
P.F
IDNT
5V
8V
5V
9V
5V
BAND3
BAND2
BAND1
TUNE
5V
SCRT
IDNT
IGNR
B
G
R
BLK
P.F
TV
8V
SHRP
9V
COLR
BRIT
CONT
18V
VOL
9V
TV
COLR
CONT
BRIT
SHRP
9V
BLK
R
G
B
5V-A
5V-A
5V-A
150V
5V-A
24V
24V
150V
24V
18V
5V
9V
P.F
8V
W901
L901
R864
R896
R897
R898
C020
D646
R646
R881
R884
JS1902
R1912
D805
A1901
C878
X871
R839
Q839
R1908
R2003
JS819
D645
JS161
L803
R123
JS802
JS818
R122
R880
Q875
D1910
R801
C140
L141
JS151
C801
L801
L802
R808
C805
R806
R804
C808
C807
JS142
R243
R241
Q241
R242
JS141
D862
R811
R892
L841
R833
Q831
R832
D861
C841
R895
Q874
C872
D871
R856
R843
R800
R863
C879
R848
R852
L871
R2001
C2003
R887
R885
L881
IC802
TP-D
Q861
R862
R841
R840
C121
R121
Q121
R803
Q801
R802
R891
R842
C875
R883
C885
R876
D872
R878
R877
Q873
C873
C874
C871
R871
R868
R865
R866
R867
R2004
R861
Q2001
R2002
C2001
C2002
R819
C881
R846
R847
R844
C882
R873
R838
R879
R875
C861
R874
Q871
R872
R828
R817
R813
R822
R827
C829
Q872
R824
C819
C814
C824
R818
R814
R823
IC801
IC001
C003
C002
C004
C005
R004
C006
R006
C010
C011
C012
R002
C001
R001
D001
D002
R003
C013
R171
C160
X152
R170
R163
C153
R164
L161
C155
R145
X161
R162
Q161
C143
C142
IC271
Q201
R217
C136
IC201
C206
C207
C208
C215
C233
C137
C135
R141
C141
R150
R152
X151
L151
C231
C212
R231
Q154
R218
L231
D135
L232
L201
L202
L203
R160
T141
R161
R203
R204
R205
SW1904
SW1903
SW1902
SW1901
R1911
D1901
R1901
R1902
R1903
R1904
R1905
R1906
R1907
R1909
KL
R807
R805
C870
R870
R869
L831
L826
L821
L816
L811
R831
R826
R821
R816
R812
L832
Q151
R151
C161
C276
C277
C275
R232
X231
IC001H
KR
KR-2
KR-3
KR-1
C434
R434
R433
C433
C432
Q431
R432
C431
T431
R226
R371
D351
L431
C501
IC501
D501
C505
C503
R507
R506
R508
R501
R2005
R505
C506
C504
C502
VR501
C513
R502
L521
D469
L462
C462
C468
D466
C464
R464
R463
C467
C470
D465
R465
R468
C466
R469
R480
R472
R473
R471
C465
Q461
R227
R474
C438
VR461
Q462
L461
R514
D222
D221
D634
C634
C644
R645
C645
D635
D633
C643
D631
C631
C641
R637
R638
IC691
R635
R636
D641
D649
R639
R651
Q651
R652
Q686
R689
R688
Q685
D685
C685
R687
R686
Q682
C691
Q631
R681
VR631
R643
R642
D683
L631
L633
L635
L634
IC661P1
C663
L661
C662
R663
D669
R661
D661
D662
IC661
Q661
D644
D643
R662
R666
R626
T611
Q613
R623
C607
R624
PS601
L612
L611
JS612
R602
D615A
R625
R628
R629
C621
C617
Q612
C615
R619
C614
R622
R621
R620
R615
D617
D616
R617
C603
C604
C605
C606
Q611
R611
C601
C613
D619
D618
D614
R601
D606
D604
D603
D605
C624
L610
KE
KA
C
F601-A2
F601-A1
SW601
KAC-2
KAC-1
KE-1
KE-2
C602
JS631
JS610
L607
L608
L615
JS613
C608
L601
C616
F601
D352
ARW
ARW
SP902
SP901
W10B00100
L81B03300
1/10GJ
1K
1/10GJ
3.9K
1/10GJ
3.9K
1/10GJ
3.9K
KZ0.01F
MTZ12A:
RD12EB1:
UZ-12BCA
2.2K
1/10GJ
27K
1/10GJ
2.7K
J
2.2K
HZT33:
L5630:
UPC574J
U20B14500
KK
4700BA
V10B1690N:
V10B2120N
1/10GJ
4.7K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
1/10GJ
330
1/10GJ
12K
1/10GZ
0.0
1S1555:
ED0274
J
J
1/10GJ
220K
X
1/10GZ
0.0
1/10GJ
220K
1/10GJ
47K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
SLP-181B51
1/10GZ
0.0
CJ12CA
L2B9
100KN
J
KZ
0.01FA
L2B9
5R6KN
J
J
EM4.7
2SJ
18K
DJ10K
X
KZ0.1FA
J
220
1/10GJ
470
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
220
J
1SS133:
1SS176
1/10GJ
4.7K
1/10GJ
4.7K
L2C1
5R6KN
1/10GJ
82K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
1/10GJ
12K
1SS133:
1SS176
KZ
0.01FA
1/10GJ
1.2K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
16EM
47
1SS133:
1SS176
DJ22K
1/10GJ
10K
1/10GJ
2.2K
1/10GJ
22K
25KZ0.1FA:
KZ0.1FA
DJ4.7K
DJ1K
L2C1
5R6KN
1/10GJ
27K
25KZ0.1FA:
KZ0.1FA
1/10GJ
3.9K
1/10GJ
3.9K
L2B9
1R5KN
24C02A/P:
24LC02B/P:
ST24C02AB1
J30B0250N
QT0379(A:B):
2SA608(ECNP:
FCNP:GCNP)
1/10GJ
22K
1/10GJ
22K
DJ4.7K
25KZ0.1FA:
KZ0.1FA
1/10GJ
47K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
1/10GJ
180K
PH2369
1/10GJ
2.2K
1/10GJ
4.7K
DJ3.9K
25KZ0.1FA:
KZ0.1FA
DJ470
KK1000BA
1/10GJ
10K
RD3.6EL
1/10GJ
1.5K
1/10GJ
8.2K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
CJ22CA
CJ22CA
25KZ0.1FA:
KZ0.1FA
1/10GJ
4.7K
1/10GJ
1.2K
1/10GJ
4.7K
1/10GJ
4.7K
1/10GJ
4.7K
1/10GJ
150
1/10GJ
2.7K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
1/10GJ
10K
25KZ0.1FA:
KZ0.1FA
25KZ0.1FA:
KZ0.1FA
1/10GJ
47K
KZ0.01FA
DJ4.7K
DJ10K
1/10GJ
10K
16EM
10
1/10GJ
4.7K
1/10GJ
15K
DJ10K
1/10GJ
5.6K
FJ5600
(D:BE)
1/10GJ
10K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
1/10GJ
33K
1/10GJ
33K
1/10GJ
10K
1/10GJ
3.9K
1/10GJ
10K
1/10GJ
3.9K
EM1
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
33K
25EM
4.7
25EM
4.7
EM1
1/10GJ
22K
1/10GJ
3.3K
1/10GJ
8.2K
QXXAVB063
AN5265
FK2200
(BE:D)
63GK0.47V
:HJ0.47G
EM
4.7
16EM
10
1K
16EM
10
10K
63GK0.1V
:HJ0.1G
25EM
1000
25EM
470CD
560
16EM
33
DJ33
1S1555:
ED0274
1S1555:
ED0274
10K
PM1
1/10GJ
10K
KK1000
BA
E8378:
F32B0140N
1/10GJ
5.6K
220
CJ120
CA
1/10GJ
47
L2B9100KN
1/10GZ
0.0
1/10GJ
330
F31B0020N
<5.5MHZ>
1/10GZ
0.0
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
KK3900
BA
25KZ0.1FA:
KZ0.1FA
TDA4661/V2:
TDA4662/V1:
TDA4662/V2:
TDA4665/V3:
TDA4665/V4
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
1/10GJ
22K
16EM
470CD
TDA8361/N5
25KZ0.1FA:
KZ0.1FA
25KZ0.1FA:
KZ0.1FA
25KZ0.1FA:
KZ0.1FA
63GK
0.47V
:HJ
0.47G
25KZ0.1FA:
KZ0.1FA
25KZ0.1FA:
KZ0.1FA
25KZ0.1FA:
KZ0.1FA
1/10
GJ
6.8K
CJ56RA
1/10GJ
1K
1/10
GJ
120
F32B00100:
F32B0090N
L2B9
8R2KN
25KZ0.1FA:
KZ0.1FA
EM
2.2
1/10GZ
0.0
QT0379(A:B):
2SA608(ECNP:
FCNP:GCNP)
DJ1.8K
J
MTZJ11C:
UZ-11BSC
J
L2B94R7KN
L2B94R7KN
L2B94R7KN
1/10GZ
0.0
SL0005XV
DJ390
1/10
GJ100
1/10
GJ100
1/10
GJ100
S10B1130N
S10B1130N
S10B1130N
S10B1130N
470
X
56K
15K
DJ8.2K
4.7K
1/10GJ
2.7K
1/10GJ
2.2K
1/10GJ
1.5K
1/10GJ
10K
J10EA030N
1/10GJ
10K
1/10GJ
8.2K
CJ33CA
1/10GJ
22K
1/10GJ
27K
J
J
J
J
J
1/10GJ
100
1/10GJ
1.2K
1/10GJ
100
1/10GJ
2.2K
1/10GJ
2.2K
J
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
DJ
390
KK270BA
KZ
0.01FA
KZ
0.01FA
KZ
0.01FA
1/10GJ
100
F32B0110N:
F32B0160N
2HA0038---
X
35EM
47
1/2DJ
390
1/2DJ
1K
500KK
3900A
500KK
1000A
2SC3332
(R:S)
1/10GJ
1K
25KZ
0.056FA
AD0002
(:C)
1/10GJ
100K
DJ10K
UZ-9.1
BC(A:B)
L2G3
1R0MN
35EM470
LA7833
EM01Z:
ED0448
500KK
1000A
CJ
39CA
82
3.9K
2.7K
DJ4.7K
DJ12K
6.8K
100GK
0.22P
KZ0.01FA
35EM220
R3D6101NJ:
R3L1101NJ
<B-100>
EM10
4.7
L2C2330KN
EU1
AA0025
(:A)
EM1
25EM22
UZ-20
BCA
EM1
DJ1.5K
1.2K
10EM
220
KZ0.01F
1SS133:
1SS176
1/10GJ
560K
1.8K
63GK0.1V
:HJ0.1G
68K
47K
47K
DJ680
1.5K
100GK
2.2
2SB1274
(QRA:RRA
:SRA)
10K
1/2DJ270
FK0.01
(BE:D)
R3D6472NJ:
R3L1502NJ
<B-4.7K,B-5K>
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
LM0045
2.2
DS442X:
1S1553:
1S2076A:
1S2471
1SS133:
1SS176
EU2(:Z):
ED0277
1000KK470
(NH:CRD:CTB)
25EM
1000
(T:DT)
3WK18FH
25EM
1000
(T:DT)
EU2(:Z):
ED0277
EU2(:Z):
ED0277
35EM330T
EU2A
1000KK470
(NH:CRD:CTB)
200EM
220XD
DJ
180K
1SJ
33K
BA178M05T:
MC78M05CT:
UPC78M05AHF:
AN78M05-LB:
L78M05CV
DJ100K
DJ4.7K
RD6.8EB1
1S1555:
ED0274
12K
DJ10K
2SB985(S:T):
2SA1707(S:T)
DJ3.9K
QT0379(A:B):
2SA608(ECNP:
FCNP:GCNP)
22K
DJ10K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
RD6.8EB1
EM1
DJ560K
DJ220K
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
10EM100
QT0378(A:B):
2SC536(E-NP:
F-NP:G-NP)
DJ10K
R3D6222NJ:
R30132XM-
<B-2.2K;2K>
J
1SJ
1.5K
1S1555:
ED0274
J
J
J
J
10EM
220
J
16EM
470
DJ1.2K
1S1555:
ED0274
DJ10K
ERA
15-02
J
BA178M09T:
UPC78M09AHF
2SB764E
1S1555:
ED0274
1S1555:
ED0274
2SJ8.2
1/2DJ
18
DG
3.3K
L51B05700:
L51B0660N
2SC3895
TYB
2.7K
400EM
220XC
2SJ82
EV0038
J
J
J
7WK3.9
(I:VC)
PC123F2
2SJ68
1/2CK
5.6MXG
1/2CK
5.6MXG
400KK1000XH:
400KM1000XS
FK0.022
(BE:D)
2SC3807
RYA
FJ0.015
(BE:D)
DJ22
63GK0.1V
:HJ0.1G
DJ15K
1/2DJ
120K
1/2DJ
120K
DJ22K
ES1:
ES1Z:
ED0448
DS442X:
1S1553:
1S2076A:
1S2471
1K
X
X
X
1000KK1000
(CBB:HB)
QT0379(A:B):
2SA608(ECNP:
FCNP:GCNP)
5.6K
250HM0.1XD:
250GM0.1XBC
X
RD8.2
EB1
DS442X:
1S1553:
1S2076A:
1S2471
DS442X:
1S1553:
1S2076A:
1S2471
1/2DJ
220K
RM11C:
ERC05-10B
RM11C:
ERC05-10B
RM11C:
ERC05-10B
RM11C:
ERC05-10B
400KK470XH:
400KM470XJ
J
X
X
J20B00100:
J3EZ0333-
J20B00100:
J3EZ0333-
S10B2490N
250HM0.1XD:
250GM0.1XBC
J
J
Z20103---
Z20103---
Z21B0040N
J
X
F35B0330N
2000KK
680(NH:
CRD:CTB)
4A250VT
CSL
EM01Z:
ERA15-02
VS003PUA:
A10B02600
VS003PUA:
A10B02600
R010
1K
R836
C834
R834
R837
1/10GJ
1.2K
EM1
1/10GJ
4.7K
1/10GJ
47K
C831TM
KZ0.10F
C800
1/10GZ
0.0
NOTES;
1. RESISTORS SPECIFIED WITH RESISTANCE VALUE ARE "1/6DJ".
2. RESISTORS SPECIFIED WITH TYPE OF RESISTOR, TOLERANCE
AND RESISTANCE VALUE ARE "1/4".
3. ALL CAPACITORS ARE 50WV RATING UNLESS OTHERWISE NOTED.
4. PARTS MARKED WITH ARE RELATED WITH X-RADIATION.
5. THICK LINES ARE 15WATTS SUPPLY LINE.
6. VIEW OF TR & IC.
7. ISOLATION BORDER LINE.
COLD SIDE HOT SIDE
N
1
TOP VIEW
LETTER
SIDE
E C
B
E
BC
C
E
B
1 2
3
IN CASE OF TR
IN CASE OF IC
8. LIST OF REPLACEABLE DIODES.
R (7DD00019) 1S1555, 1S2076, 1S2473, DS442, 1N4148
P (7DD00021) 1S1553, 1S2076A,1S2471, 1N4148
9. LIST OF REPLACEABLE TRANSISTORS.
AE (7QT00202)
AD (7T200183)
AB (7T200181)
2SC536
2SC945A
2SC1815
2SA608
2SA564A
2SA1015
E,F,G
F,G
E,F
R,Q,P
Q,P
Q,R
O,Y,GR
O,Y
Y,GR
10. "J" : JUMPER WIRE.
"X" : PART NOT USED.
AC (7T200182)
F
R
Y
2SC1740S
Q,R,S
Q,R,S
2SA933S
Q,R
R
AA (7DD00192) 1S1555, 1S2076, 1S2473, DS442, 1N4148, 1SS176, 1SS133, GMA01
M (7ED00025) 1SS176, 1SS133, GMA01
H-DRIVE
TRANS
HORIZ
DRIVE
R602H1
R602H2
C607H2
C607H1
L601H1
L601H3
L601H4
L601H2
SW601H2
SW601H3
SW601H1
SW601H4
C641H2
C641H1
Q613H3
Q613H2
Q613H1
Q613H4
Q613H5
Q613H6
T611H11
T611H8
T611H2
T611H5
T611H17
R645H2
R645H3
Q432H4
Q432H5
Q432H6
Q432H7
Q461H1
L462H1
L462H2
IC501H1
IC501H4
IC501H2
J30B0250N
IC001H2
IC001H1
VOL
9V
