Memorex MT1125A, Руководство по обслуживанию, Страница: 25 / 38

A B C D E F G H
A B C D E F G H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
C636
4.7
50V
NP
COLOR SIGNAL
LUMINANCE SIGNAL
AUDIO SIGNAL
OUT OUT G IN IN CF201_1
M1958M
SAW FILTER
1 2 3 4 5
L205
3602038
VCO
1
2
3 4
6
IC201
LA76814BM-MPB
V.SIZE/VIDEO/
CHROMA/SYNC IC
1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41 42 43 44 45 46 47 48 49
5
50 51 52 53 54 55 56 57 58 59
6
60 61 62 63 64
65
66
67
68
69
7
70
71
72
73
74
75
76
77
78
79
8
80
9
CP101
W-D2506#01
1 2 3 4 5 6
Q602
2SA1015Y
BUFFER
Q605
2SA1037AK
VIDEO
BUFFER
Q604
2SA1015Y
VIDEO BUFFER
R607
4.7K +-1%
L202
0.47uH
L601
10uH
L201
10uH
TP201
Q201
DTC114EKA
MUTE SW
CAUTION: DIGITAL TRANSISTOR
DEFLECTION SIGNAL
B.SIGNAL
G.SIGNAL
R.SIGNAL
TUNER VIDEO SIGNAL
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:
X601
3.579545MHz
C224
5P CH
C250
15P CH
C632
27P
S
L
C201
0.01
B
C616
0.22 F
C213
0.022 M
C208 0.01
Y
C610 100P SL
C619 0.01
B
C641
68P 500V SL
C609
0.01
B
C622 0.01
B
C207
47P SL
C210
47P SL
C648
100P
SL
C614
0.47 F
C214
0.01
B
C203
0.1 M
C628 0.047 M
C645
15P
CH
C605
0.01
B
C216
3P
SL
C649
0.01
Y
C647
12P
CH
C611 0.01
M
C206
0.001
B
C218
0.001 B
C612_2
100P CH
C646
1
50V
KA
C620
2.2
50V
KA
C202
470
6.3V
YK
C204
1
50V
KA
C618
1000
10V
YK
C637
0.47 50V KA
C625
10
16V
KA
C627
0.47
50V
KA
C617
1 50V KA
C608 47
16V
YK
C211
1 50V KA
C215
1
50V
KA
C623
1000
6.3V
YK
C643
100
6.3V
KA
C635
0.22
50V
KA
C626
10
16V
KA
C655
1 50V KA
C217
0.47 50V KA
C228
10
16V
KA
C644
10
16V
KA
C657
47
16V
KA
C615
22 16V
KA
IC601 KIA7809PI
9V REG.IC
1 2 3
R206 2.2K
R211
68
R626
100
1/4W
R625
100
1/4W
R604
100
1/4W
R664
470
R608
3.9K
R210
47K
R632
2.2K
R636 2.7K
R212
5.6K
R213
10K
R204
1K
R609
1001/4W
R605
2.7K 1/4W
R209 7.5K
R208
220
R653
680
R645
4.7K
R646
4.7K
R647
4.7K
R203
1K
R627
120K 1/4W
R648
2.7K
R661
68K
R601
1K
R602
1K
R202
100K
R201
100K
R665
1K
R624
24K
R623
24K
R622
1K
R611
22K 1/4W
R643
51 1/2W
R218
2.7K
R644
220 1/2W
R655
3.3K
R669
3.3K
R6621K
R618
1M
R663 2.2K
R660 100
R656
1K
R614
820
R638
3.9K
R637
1K
R217
6.8K
R612
1K
R606 10K
R613
1K
D602
1SS133
D610
1SS133
D606
1SS133
D603
11E1N
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
ETANT LES PIECES REPAREES PAR UN ATTENTION:
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE SINCE THESE PARTS MARKED BY CAUTION:
D605
HZ6B2L TD
TP101
W810
W817
S808Y
S810Y
S809Y
S802Y
VIDEO_IN
VIDEO
P.CON+9V
TU_AUDIO_OUT
UNREG+10V
P.CON+9V
GND
AV1
VIDEO_IN
ABCL
IF P.CON+5V
AGC X_RAY
AFT_IN H_SYNC
I2C_SDA H_OUT
I2C_SCL V_OUT
OSD_RED +12V
OSD_GREEN CLAMP
OSD_BLUE
OSD_BLANKING B.OUT
G.OUT
I2C_OFF R.OUT
PCB010
TM9441
CHROMA SCHEMATIC DIAGRAM
TEST POINT
FROM/TO VIDEO SWITCH/IN/OUT
5
TO SOUND AMP
FROM/TO POWER
FROM/TO DEFLECTION/CRT
FROM/TO MICON/TUNER
LIM
AMP
NC
NC
NC
0 0 4.1 4.1 0 0 0 0 0 3.3 2.2 0
0
0
0
0
0
0
0
2.1
1.7
1.1
0.4
2.7
5.0
2.7
2.3
0
0
0
0
0
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0
3.0
2.2
2.0
2.5
3.0
0
2.4
1.5
2.9
0 4.8 2.5 2.4 0 4.6 3.9 7.8 2.6
V/C GND 0.3 0
0
0
GND IN OUT
11
12
13
14
15 16 17
7
2.6 2.6
0 5.0 1.7 3.3 0.3 2.7 2.6
VIF
IF AGC
OSD
FIX GAIN
VC0
TINT
HOR
VCO
1/256
HOR
C/D
PHASE
SHIFTER
HOR
OUT
VER
SEP
VER
C/D
HOR
VOC
VER
RAMP
PLL
VIDEO
SPLL
BPF BPF
FM
DET
SW
DC
VOL
AFT
BUS
VIDEO
SW
DRIVE/CUT-OFF
OSD
SW
DELAY
LINE
PEAKING
CORING
BLACK
STRETCH
BPF
COLOR
CLAMP
CONTRAST RGB
MATRIX
SYNC
RF AGC
BRIGHT
SEP
27
26
25
24
23
22
21 20 19 18 17 16 15 14
13
12 11
10 9 8
1
2
3
4
5
6
7
54
53
52
51
50
49 48 47 46 45 44 43 42 41 40 39 38 37 36
35
34
33
32
31
30
29
28
H_GND
ABL
CLK
REF
AKB
RES
CLAMP
SW
ACC
DEMO
CLMP CLMP
A2C
TRAP
AFC2
FBP
AFC1
APC1
CW
KIL
X-RAY
FILTER
ADJ
DET
TRAP
VIDEO
AMP
DC
NC NC NC NC NC NC NC
NC
NC NC NC
NC
NC
NC
NC
NC
NC
NC NC NC NC
NC
NC
GND
I2C_SCL I2C_SDA I2C_OFF
B.OUT
2.5
2.4 2.2
2.8
9.0 12.9
9
10
0
8
AGC
0
0
0.3
0.8
0.1
NC
2.2
1.6
0
2.2
2.9
G-4 G-3