Nokia 447ZiPlus - System Block Diagram

34
Q348
SPOT KILLER
Q495/Q497
BRIGHTNESS
Q353/Q341
BLANKING
I330
Vert. Output
Vert.
D. Y.
Hor.
D.Y.
I902
VIDEO
PRE
AMP
Q429/T430
Drive
r
Q433/D434
Hor. Out
p
u
t
Q467/Q468
Width Adj.
Q470/L471
Diode
Mod.
L483
L454
Q405
Q401
Q403
Q407
Q423
CS Ctrl
T440
F.B.T.
D485
D486
RASTER
CENTER
D446/D449
X-RAY
PROTECTION
R321
HV. ADJ.
Q438,Q439,Q440
L440,D442
PWM B+ CONTROL
I502
EEPROM
I501
MCU CONTROL
SELF TEST
TRAPEZOID
H/V CENTER
HV/SIZE
CS CONTROL
TILT CONTROL
Q550
Q556
SYNC
BUFFER
T802/T803
D811…D814
EMI Filter, Rectifier.
Q840
Power LED
Q
862
I811
7805
I810
7812
T802 T803
D811…D814
T801 I862
Q868,D831
R831
R833 R808
D807
D802
D805
D806
D803/
D804
SMPS
V
H
V
H
SCL/SDA DDC
S516
KEY CONTROL
12V
H OUT
X RAY OUT
Focus 1, 2
Anode
G2G1
I903
R Video out
G Video out
B Video out
B
KG
KB
R
G
R
B
G
KR
8V
5V
-9V
15V
79V
8V
56V
PULSE FROM
FBT P807
V OUT
I401
H&V OSC
V
H
PWB - 0169
R930
6.3V
PWB-0170
Heater
V901 CRT
90V…
264V
AC
I/P
Q822
Q823
Q820
Q821
POWER
SAVING
Contrast
Adjust
Brightness
Adjust
E/W OUT
E/W Q466
I904
OSD
9.BLOCK DIAGRAM