Toshiba MV19K2R Service Manual page 42

A B
8
FROM/TO MICON
AT+5V
AT+5V_BACKUP
VD
OSD_R
OSD_G
OSD_B
OSD_BLK
SDA
SCL
AFT_M
7
VCR_POWER_H
HD
TV_POWER_H
6
C612
10V 470 YK
C613
0.1 B
13 12
1.8
AGC 1
2
2.5
3
2.5
SCL 4
2.5
SDA 5
5
6
4.9
+5V 7
8
29.3
+30V 9
10
0
IF 11
15 14 W919
4
C602
0.1 F
C601
50V KA 1
3
FROM/TO TV POWER
AT+30V
GND
UNREG+8V
AT+25V
P.CON+8V
2
TUNER VIDEO SIGNAL CAUTION: DIGITAL TRANSISTOR
R.SIGNAL
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL
LUMINANCE SIGNAL
1
COLOR SIGNAL NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
PLAYBACK VIDEO SIGNAL
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
C
CHROMA/IF SCHEMATIC DIAGRAM
AT+5V
2SC2120Y
W876
TU_VIDEO
CF604
EFCT4R5MW5
CF603
R615
EFCT4R5YS5A
470
C670
100P CH
INT-MONI
2.0 2.0
48 47
2.3
R608
C617 0.01 B
10K
2.4
AUDIO_OUT
W801
2.3
C625
R611 10K
AUDIO BYPASS
1 F
3.0
C631
Y/C_AUDIO
EXT AUDIO IN
C623
1 F
2.0
0.0047 B
TU_AUDIO
FM DIRECT OUT
C677
3.2
C676 VIF VCO F/B
R666 10K 0.01 B
0.01 B 9.0
R607 1K 1/2W
VREG Vcc
C624
3.0
16V 47 KA
D601 1SS133 VIF APC FILTER
C627
R609 680 2.2
D602
VIF VIDEO OUT
MTZJ8.2B
50V KA 1
0
C618
VIF GND
100P CH
0
C621
2.4
AFT_M 0.01 B
AFT OUT
C626 2.9
R614 100K
QIF IN
0.1 B
2.3
RF AGC OUT
C622
2.7
IF AGC FILTER
SAW FILTER
0.33 B
CF601 SAF45MFY220ZR 1.5
IN IN G OUT OUT
1 2 3 4 5
1 2
1.5 5.0
CHROMA
IC601
M61203CFP
L601
1.2uH
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(SYSCON PCB)
11.0 8.2
REG.
R632
Q606
220 2W
4.8 8.3 REG. 8.8
2SD863
Q603
D608
4.8 8.0 2SC2120Y
5.5
REG.
REG.
SB10-03A3
Q602 REG.
Q605
5.5
Q604
2SD400E
2SD400E
8.3 5.0
5.0 8.3
R629
5.6 5.6
100
R662
B604
100
BL02RN1-R62
W894
50V
C672
0.01 B
NC NC
8.2 8.2 8.2 4.0 4.8 5.5 5.6 0 0 3.2 3.2 2.0 8.8
46 45 44 43 42 41 40 39 38 37 36 35 34 33
3.3
3.0
0
R IN
4.7
V PULSE OUT
0
G OUT
46 SW REG CONT 34 EXT C in
47 LIMITER IN 33 8.7V REG OUT 0.1
FAST BLK
48 IF AGC 32 X'TAL
49 QIF OUT 31 ACL/ABCL 7.3
SPOT KILLER
50 AUDIO OUT
fsc OUT NC
4.9
4.9
VIDEO CHROMA Vcc
4.8
V RAMP CAP
2.0
V RAMP FEEDBACK
64 VIF IN
17 V OUT 0
B IN
1 VIF IN
16 B OUT
8.0
STRAT UP Vcc
8.0
3.7
3 4 5 6 7 8 9 10 11 12 13 14 15 16
5.0 2.5 3.2 0.4 2.6 0 0 3.0 3.3 4.0 4.0 4.8 2.8 3.0
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
R610
1.5M
C692
330P CH
C648 R669
0.22 KA 470
S105X S105Y S106X S106Y
R638 C661
15K 0.01 B
C665
R642 16V 10 KA D605
5.6K 11ES1-EIC
R647
2.2K
R643
VD
47K
R648 C690
2.2K 330P CH
OSD_BLK
C658 R652
0.22 B 4.7K
C688 C630
L606 0.056 B 100P CH
100uH
D617 MTZJ6.8B
C664 1 MMTS
C668
D616 MTZJ6.8B
R641 18K
0.001 CH
C684 0.022 B
R649 2.2K
W874
V_OUT
D619 1SS133
OSD_R
D620 1SS133
OSD_G
D621 1SS133
OSD_B
W850
HD
W872
C666 CUT_OFF
0.1 B
HEATER
R650
H_GND
470 1/4W
180V
ATTENTION: LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
FROM/TO Y/C/A/H.AMP
7
SD_VIDEO
TU_VIDEO
TU_AUDIO
Y/C_AUDIO
FROM/TO I/O
INT-MONI
B.OUT
AT+5V
6
FROM/TO SOUND AMP
S107Y
AUDIO_OUT
5
FROM/TO DEFLECTION
GND
V_OUT
ACL
V_FEEDBACK
180V
HEATER
H_GND
H_OUT
H.PLUSE
F_P.CON+15V 4
TO CRT
CP851A
51048-1000
GND 3
10
CUT OFF
9
G.OUT G.OUT
8
B.OUT B.OUT
7
R.OUT R.OUT
CD851
6
2E0A3701
NC
NC 5
HEATER
4
H GND
3
NC
NC 2
180V
1
FROM/TO TV POWER
AT+12V
2
D618
POWER_FAIL
1SS133
POWER ON SWITCH 0.8
Q609
5.0
DTC114EKA
TV_POWER_H 0
R683
0
100
8.0
POWER FAIL SWITCH
0
Q611
DTC114EKA
PCB800
1
VMX196
H