Y/C/Audio/Head Amp; Micon; Demodulator/21Pin/Stereo; T'text/Hi-Fi/Sound Amp - Toshiba VTW2186 Service Manual

DVD C
DVD
DVD Y
T'TEXT/HI-FI/
TEXT_SYNC
SOUND AMP
TU_SIF
REC_TV_V
DEMODULATOR/ REAR_V_IN
21PIN/STEREO
FRONT_V_IN
JACK_VIDEO
TU VIDEO
Y/C/AUDIO/
Y/C_VIDEO
HEAD AMP
TU601
11
1
4
5
MO_SYNC
AGC_M
SDA

MICON

SCL
DEGAUSS_H
Q1703
FEED BACK
SW
FEED BACK
IC1704
PS2561AL1-1-V(W)
Q1705
RELAY DRIVE
F1701
AC IN
CD1701
4 1
3 2
SW1702 CD1704
1 1
4 2
L505 CP504
CD504
E-3
SW
CONTROL IC 603
MM1504XNRE
6
LA7956
4
VIDEO SW
8
9
DRIVER
6dB 1
Q612, Q613, Q614
Q602
BUFFER
BUFFER
CF601
Q607
4
PRE AMP 1 5
Q604
IF AMP
CF602
Q605
IF AMP 1 2 5 4
CHROMA /IF
IC601 STV2247H
+B ADJ
VR1701
IC1701
STR-W6853
POWER
CONTROL IC
L1703
RY1701
DEGAUSS COIL
1 4
D1701, D1702
D1703, D1704
RECTIFIER
2
1
2
1

TV BLOCK DIAGRAM

SW
IC 1203
4
2
6
Q1253
BUFFER
S-TRAP
CF605
13 44 18 22 23 47 25 26
20
PIFIN1
6
7 PIFIN2
RF_AGC_OUT
8
1
SIFIN1
2
SIFIN2
FM_OUT
11
51 SCL
52 SDA
T1701
5V REG. IC
11 SOUND+B
IC3603 KIA7805API
15
Q3006
13
17
DRIVE 1 3
5 5V REG. IC
Q3002
18 IC3002 KIA7805API
DRIVE
1 3
5V REG. IC
8
Q3605
IC3003 KIA7805API
DRIVE
Q3606
SW
Q3102 Q3101
SW DRIVE
5V REG. IC
IC3602 KIA7805API
Q3607
3
DRIVE 1
Q3005
3.3V CTL 3.3V CTL
Q3008
V-DRIVE IC
THERMAL
IC401 TDA8174A
PROTECTION
+
PUMP
-
UP
RAMP
3
4 11 10 2
1
Q405
27
28
B.OUT 30
G.OUT
31
R.OUT 32
37
OSD_BLK
34
OSD_B
35
OSD_G
36
OSD_R
BCL/SAF 46
LBF/SSC 49
H_OUT 48
X1/VAMP/CHR_OUT
42
XTAL1
40
X601
4.433619MHz
Q3609
1 3 AT+5.6V
SW
P.CON+5V_C
Q3608
30V DRIVE
P.CON+5V_A
P.CON+12V
1 3
P.CON+9V(DVD)
9V REG. IC
IC3601 KIA7809API
9V REG. IC
IC3101 KIA7809API
P.CON+9V
1 3
P.CON+8V_A
L3001
MOTOR+12V(AT+12V)
AT+11.5V
Q3001
P.CON+5V_B
AT+11V
DRIVE
P.CON+3.3V
21_B
DEMODULATOR/
21_G
21PIN/STEREO
21_R
21_Y
Q406
DY
H-DRIVE H.OUTPUT
Q801, Q804
BLUE OUT
Q803, Q805
GREEN OUT
J801
Q802, Q806
3
RED OUT
V801
9
CRT
FB401
7
3
1
7
S 8
F
10 F
2
HV
VD
HD
MICON
Q603, Q611
H-CTL
SW
SW_OUT_B
SW_OUT_G
T'TEXT/HI-FI/
SW_OUT_R SOUND AMP
SW_OUT_Y
VCR_POWER-H
AT+30V
POWER_FAIL(DC)
MICON
DVD_POWER_H
E-4