Chroma/If - Toshiba MV19N2 Service Manual

A B
FROM/TO MICON
8
PROTECT
AT+5V
AT+5V_BACKUP
VD
OSD_R
OSD_G
OSD_B
OSD_BLK
SDA
SCL
AFT_M
7
VCR_POWER_H
HD
6
C612
6.3V 470 YK
13 12
1.8
AGC 1
2 NC
2.5
3
NC
2.5
SCL 4
2.5
SDA 5
5
NC
6
4.9
+5V 7
NC
8
29.3
+30V 9
NC
10
0
IF 11
15 14
4
C602
W871
0.1 F
L616
0.39uH
3
FROM/TO TV POWER
AT+30V
GND
UNREG+8V
AT+12V
P.CON+5V_SW
AT+5V
H_GND
FROM MICON
2
H_CTL
R.SIGNAL
G.SIGNAL
B.SIGNAL
AUDIO SIGNAL(PB)
CAUTION: DIGITAL TRANSISTOR
AUDIO SIGNAL(REC)
1
DEFLECTION SIGNAL
PLAYBACK VIDEO SIGNAL
TUNER VIDEO SIGNAL
A B
G-9
C
CHROMA/IF SCHEMATIC DIAGRAM
REG. Q606 11.0 8.2
W915
KTC3203_Y
8.8
AT+5V
REG. REG.
Q604 Q605
KTD863_Y KTD863_Y
5.0 8.3 8.3 5.0
W895
5.6
5.6
TU_VIDEO
CF604
2.6
R620
TPSRA4M50C00-A0
1.9
100
0
BUFFER
Q601
2SA1037AK
R615
W865
CF603
SFSRA4M50CF00-A0
470
NC
2.0 2.0
48 47 46
2.3
2.4
NC
QIF OUT
2.3
R612 680 1/4W
AUDIO_OUT
AUDIO OUT
C625
3.0
AUDIO BYPASS
50V 1 KA
C631 2.0
Y/C_AUDIO
EXT AUDIO IN
1 F
3.2
TU_AUDIO
FM DIRECT OUT
C623 0.0047 B
9.0
C632
VIF VCO F/B
R618 10M
3.0
50V 1 KA
VIF GND
2.2
C603_1
VIF GND
0.01 B
0
VIF VIDEO OUT
R601 0
C627
RF AGC OUT
R609 330
10K
2.4
C618 47P CH
50V 0.47 KA
VIF APC FILTER
2.9
C622
IF AGC FILTER2
0.01 B
C626 2.3
IF AGC FILTER1
0.22 B
2.7
C634
VIF IN (1)
SAW FITER
0.01 F
1.5
CF601_1
L601
TSF5229P3
IN GNDOUTOUT
0.56uH 1 2 3
CHROMA/IF IC
1 2 3 4
1.5 5.0
IC601
M61250FP
C664
63V 1 MKT
W861
B602
W5RH3.5X5X1.0
1.2
4.5
0.4
CAUTION: DIGITAL TRANSISTOR
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(SYSCON PCB)
4.8 8.3
REG.
8.0 D608 Q603
4.8
KTC3203_Y
REG.
5.5
SB140-EIC
Q602
W801
5.5
KTC3203_Y
S822X
NC
8.2 8.2 8.2 4.0 5.5 5.5 3.7 5.6 0 0 3.2
3.2 2.0
8.8
45 44 43 42 41 40 39 38 37 36 35 34 33
3.3
3.0
Y SW OUT
NC
0
MCU RESET
NC
4.7
fsc OUT 1 NC
0
POWER ON CONT
34 X'TAL
47 8.7V REG OUT 0.1
SCL
33 ACL/ABCL
48 LIMITER IN C675 68P CH
32 AT5.7V REG OUT
49 P.Con5.7V REG 7.3 R603
SDA
C629
5.0
CLOCK CONT
68P CH
4.9
FAST BLK
4.9
R IN
4.8
G IN
2.0
B IN
64 VIF IN (2) 17 H VCO F/B
1 V RAMP CAP 16 B OUT 0
V PULSE OUT
2 AFT OUT
8.0
INV FBP OUT
8.0
INTELLIGENT MONI
3.7
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
NC
H_CONT
Q607
2SC2412K
R623
220 1/4W
CAUTION: SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
C648 R669
470
50V 0.22
KA
S822Y
S819X
R646
18K C665
R638 R642 D605
16V 10 KA
15K 10K 11ES1-EIC
R655_1
4.89
330 1/4W
0.21
ACL_CANCEL
0.21
Q611
ACL_CANCEL 4.8 PROTECT
4.91
KRA102SRTK
Q609
KRC102SRTK 0
VCR_POWER_H
AT+5V
R602 100
SCL
100
SDA
R652
R667
4.7K
4.7K OSD_BLK
C630
R647
100P CH
5.6K
R648
5.6K
R649 5.6K
C688 0.056 B
R643_1
VD
47K 1/4W
W850
HD
INT-MONI
R625
R670
10K
1M
OSD_R
OSD_G
OSD_B
CUT_OFF
B.OUT
G.OUT
W828
R.OUT
R650
HEATER
470 1/4W
180V
H_GND
NOTE:THE DC VOLTAGE EACH PART WAS
ARE 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/AUDIO/HEAD AMP
7
SD_VIDEO
TU_VIDEO
TU_AUDIO
Y/C_AUDIO
VD
TO IN/OUT
INT-MONI
B.OUT
AT+5V
TO SOUND AMP
6
AUDIO_OUT
5
FROM/TO DEFLECTION
ACL
GND
V_OUT
HEATER
V_FEEDBACK
180V
H_OUT
H.PLUSE
H_GND
4
TO CRT
CP851A (CP851B)
B2013H02-10P
GND 3
10
CUT OFF
9
B.OUT
8
G.OUT
7
R.OUT
6
CUT OFF SW
NC 5
H_GND1 H GND
4
HEATER
3
NC
NC 2
180V
1
2
PCB010
VMB281
1
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
H
G-10