Toshiba 21S23D - Block Diagram; TV System Block Overview

MICON W/T.TEXT
IC101 OECF006A
TU001
IF/CHROMA
IC201 STV2248C
A2/NICAM/DOLBY
IC902 MSP3410G
SOUND AMPIC
IC1002
LA4600
V-DRIVE
IC401 TDA8174A
FB401
SW TRANS
T501
CVBSOUT1
XTAL2
29
39
VCC_IF
VCC_D
53
12
OSD-R
36
XTAL140
VCC1
VCC2
17
45
OSD-G
35
OSD-B
34
FM_OUT
11
7 154
11
SCL SDA BPL AGC
IF
768
I2C
P.CON+5V
SDA
19
OSD-B
OSD-G
16
15
SCL
20
OSD-R
CVBS2
33
17
CVBS1
34
SDA
5
SCL
6
MEMORY
IC199
S-24C04BDP-LA
31
39
1
25
50
STANDBY LED
AVDD1
AVDD2
ON_TIMER
AVDD3
REMORT
OSC_OUT
51
OSC_IN
X101
4MHz
STAND BY/P.ON
D101
ON TIMER
D103
Q103
LED DRIVE
Q102
LED DRIVE
AT+5V
X602
3.579545MHz
X601
4.433619MHz
1
OS101
RF_AGC_OUT
PIFIN1
PIFIN2
VERT
47
SDA
H_OUT
48
52
SCL
51
B.OUT
G.OUT
31
30
R.OUT
32
P.CON+5V
P.CON+8V
3
TRIGGER INPUT
10
1
Vs
POWER OUTPUT
P.CON+25V
Q805, Q806
BULE OUT
Q803, Q804
GREEN OUT
Q801, Q802
RED OUT
J801
6
11
8
F
7
Q402
H.DRIVE
Q401
H.OUTPUT
I2C
DY
1
F
S
2
3
HV
+B
P.CON+25V
CRT
V801
71
XTAL_OUT
72
XTAL_IN
X901
18.432MHz
DVSUP
AVSUP
66
11
P.CON+5V
SDA
3
SCL
2
I2C
ANA_IN1+
67
AHVSUP
39
P.CON+8V
DACM_L
27
DACM_R
28
10
8
3
1
+ +
+ -
+ -
3
4
2
6
7
5
1
HEADPHONEJACK
J702
SPEAKER
SP351
5
12
9
SOUND+B
15
+B
P.CON+8V
D
Q501
POWER
SW TR
56
KEY_IN
CH DOWN
CH UP
VIDEO_SW
IC702 NJM2234L
V.OUT
SW1
2
7
SW2
4
CVBSIN2
20
AV1
42
AV2
43
J701
3
1
22
VIN1
1
2
24
6
27
23
19
20
INT_CVBS_OUT
13
VIDEO OUT
VIDEO IN
37
SC1_OUT_R
36
34
33
SC1_OUT_L
SC2_OUT_R
SC2_OUT_L
R OUT
L OUT
R OUT
L OUT
56
SC1_IN_R
57
53
54
SC1_IN_L
SC2_IN_R
SC2_IN_L
R IN
L IN
R IN
L IN
41
40
26
27
25
44
22
VIDEO OUT
VIDEO IN
11
7
15
21-B IN
21-G IN
21-R IN
CVBSOUT2
Y/CVBS_IN3
G_EXT/Y_EXT
R_EXT/V_EXT
B_EXT/U_EXT
51
50
SC3_IN_L
SC3_IN_R
VIN2
3
1
3
2
1
3
2
1
3
2
FRONT VIDEO
J703
FRONT AUDIO L
J704
FRONT AUDIO R
J705
BLOCK DIAGRAM
9
VOL UP
VOL DOWN
49
L
R
4
VCC
SOUND+B
16
AT+5V
P.CON+5V
R
L
E-1
E-2