Block Diagram - Toshiba 14N21BS Service Manual

AT+5V
MICON IC
IC101 OECF005A
Q102
LED SW 40 ON_TIMER
Q103
LED SW
D105
ON TIMER
37 AVDD1
STAND BY
AT+5V
27 AVDD2
AVDD3
AT+5V 21
OS101
1 57 REMORT
50 OSC_OUT
X101
4MHz
51 OSC_IN
SOUND AMP IC
IC1001
AN7511
2
SOUND+B 5
Vcc
E-1
VOL UP
VOL DOWN
CH UP
KEY_IN 56
CH DOWN
I2C
P.CON+5V
SDA 13 5 SDA
SCL 14 6 SCL
OSD-B
9
MEMORY
OSD-G 10 IC199 S-24C04BDP-LA
OSD-R
11
CVBS2 29
CVBS1 30
X602
AV1 7
3.579545MHz
X601
4.433619MHz
P.CON+5V
P.CON+8V
2
J1001
3
R OUT
1
L OUT
8 R IN
SPEAKER
SP1001 L IN
6

BLOCK DIAGRAM

TU001
SCL SDA BPL AGC
IF
4 5
7 1 11
CHROMA
IC201 STV2246C
8 6 7
34 OSD-B
35 OSD-G
OSD-R
36
VERT 47
29 CVBSOUT1
SCL 51
39 XTAL2
SDA 52
40 XTAL1
H_OUT 48
B.OUT
30
12 VCC_IF
G.OUT 31
53 VCC_D
R.OUT 32
45 VCC1
17 VCC2
R_EXT/V_EXT 27
26
G_EXT/Y_EXT
11
FM_OUT
B_EXT/U_EXT
25
Y/CVBS_IN3
22
55 AUDIO_OUT
INT_CVBS_OUT 13
CVBSIN2 20
14
EXT_AUDIO_IN
J701
VIDEO OUT
1 19
VIDEO IN
3 20
21-B IN
2 7
21-G IN
6 11
21-R IN
15
AUDIO_SW
IC703
NJM2233BM-T1
2 7
SW Vout
1 Vin1
Vin2 3
SW TRANS
T501
5
12 SOUND+B
+B
14
17 P.CON+8V
18 AT+5V
P.CON+5V
V-DRIVE
IC401 TDA8714A
Vs 10 P.CON+25V
1
POWER OUTPUT
3 TRIGGER INPUT
I2C
Q401
Q402
H.DRIVE H.OUTPUT
J801
Q803
F
BULE OUT
3
Q802
8
GREEN OUT 9
Q801
RED OUT 7
FRONT VIDEO
J702
3
1
2
FRONT AUDIO
J703
3
1
2
Q501
POWER
D
SW TR
DY
FB401
1
2 +B
3
P.CON+25V
F
S
HV
CRT
V801
E-2