Chroma - Toshiba MV9DL2 Service Manual

A B
FROM/TO MICON
SPOT_H
8
POWER_FAIL[DC]
VD
OSD_R
OSD_G
OSD_B
OSD_BLK
SDA
SCL
AFT_M
TU_VIDEO
VCR_POWER_H
HD
X-RAY_TEST
7
TV_POWER_H
IIC_OFF
TEST POINT
CP602
8283_0712_00_000
7 INTELLGENT MONI
B.OUT
6
B.OUT
AGC_M
5
AGC_M
4 IIC_OFF
3 SDA
2 SCL
6
1 GND
AUDIO_OUT
Y/C_AUDIO
TU_AUDIO
13 12
1.8
AGC_M
AGC 1
2
2.5
3
NC
2.5
SCL 4
5
2.5
SDA 5
6
4.9
+5V 7
8
AFT_M
C613
29.3
+30V 9
0.1 F
C612
10
AGC_M
6.3V 220 YK
0
IF 11
15 14
4
C602
0.022 F
3
FROM/TO REGULATOR
AT+30V
GND
P.CON+5V[TU1]
AT+13V
P.CON+5V[CHROMA]
P.CON+8V
8.7VREF
5.7VREF[PCON]
5.7VREF[AT]
2
NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
1
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
G-9
C
CHROMA SCHEMATIC DIAGRAM
L608
100uH
0305
3.4
R620
2.7
100
0 BUFFER
Q601
CF604
2SA1037AK
EFCT4R5MW5
2.0 2.0
R608
48
2.3
10K
QIF OUT
R612
2.4
AUDIO OUT
680 1/4W
C625
2.3
AUDIO BYPASS
1 F
3.0
EXT AUDIO IN
C623 0.0047 B
C631 1 F
W842 2.0
FM DIRECT OUT
R618 10M
3.2
VIF VCO F/B
D601 1SS133 D602 MTZJ8.2C
C632
9.0
R607 50V 2.2 KA
VREG VCC
C624
82 1/2W
3.0
VIF APC FILTER
C627
R609 680 16V 47 YK
2.2
VIF VIDEO OUT
C618 330P CH 1 B
0
VIF GND
0
C621
0.01 F 2.4
W822
AFT OUT
R614
2.9
NC QIF IN
180K
R601 2.3
RF AGC OUT
2.2K 1/4W
C622 2.7
RF AGC FILTER
0.22 B
SAW FILTER
1.5
CF601
SAF45MFY220ZR
1
IN IN G OUT OUT
1.5
1 2 3 4 5
CHROMA IC
IC601
M61206FP
HS601
763WAA0014
NC
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(SYSCON PCB)
B602
W4BRH3.5X6X1
26 C648_1
50V 1 KA
NC NC NC
8.2 8.2 8.2 4.0 4.8 5.5 2.8 5.6 0 0 3.2 3.2 2.0 8.8
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
3.3
100CT3R505
3.0
0
R IN
4.7
V PULSE OUT
0
G IN
47 LIMITER IN 32 X'TAL
0.1
FAST BLK
48 IF AGC
31 ACL/ABCL
7.3
SPOT KILLER
5.0
FSC OUT
NC
4.9
4.9 6.3V
VIDEO CHROMA VCC
4.8
V RAMP CAP
2.0
V RAMP FEEDBACK
64 VIF IN
17 V OUT
0
B IN
8.5
STRAT UP VCC
8.5
3.8
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
5.0 5.0 2.6 3.6 0.8 2.5 0 0 3.6 3.4 3.9 4.8 2.5 2.5 2.4
D611
MTZJ9.1B
S807Y
SINCE THESE PARTS MARKED BY ARE ATTENTION: LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
R651
CHROMA_VIDEO
R650
470
560
W850
R638 C661
R646
150K 1/4W 0.01 B
C665
X602 100K
16V 10 KANP
R642 D605
10K 1N4005-EIC
R647
2.2K
R643
47K
R648
2.2K
R674
1.8K 1/4W
W813
C658 C666
0.22 B C667 100P CH
0.047 B
R680
W804
2.2K R681
C659
100 YK
2.2K 1/4W
C664_1 S807X
63V 1 MKT C615
0.001 CH
W853
C657
R673 0.022 B
W835
2.2K R682
2.2K 1/4W
D616
1SS133
D617
1SS133
D618
1SS133
W809
W852
0
SWITCHING
Q602 4.8
KRC102RTK
0
CAUTION: DIGITAL TRANSISTOR
R.SIGNAL
ETANT
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL
F G
H
8
7
FROM/TO Y/C/AUDIO/CCD/HEAD AMP
Y/C_AUDIO
TU_AUDIO
TU_VIDEO
CHROMA_VIDEO
VD
TO SOUND AMP
6
SOUND+B
SOUND_GND
AUDIO_OUT
VD
FROM/TO DEFLECTION
CP601 (CP820)
CH2B026A
OSD_BLK
SOUND+B
SOUND+B 1
SOUND_GND
SOUND GND 2
H_OUT
H.OUT 3
GND 4
V_FEEDBACK 5
V.FEEDBACK 5
V_OUT
V.OUT 6
ACL
ACL 7
H_PLUSE
8
H_PLUSE
TV_POWER_H
TV POWER H 9
POWER_FAIL[DC]
POWER FAIL(DC) 10
X-RAY_TEST
X-RAY TEST 11
OSD_B
L616
W5T18.4X10X9.6
V_OUT
4
OSD_R
OSD_G
OSD_B
HD
TO CRT
SPOT_H
CD850 (CP850)
CH25095A
GND 5
3
CUT OFF 4
G.OUT
G.OUT 3
R.OUT
R.OUT 2
B.OUT
B.OUT 1
L617
W5T18.4X10X9.6
2
PCB010
VMA222
1
H
G-10