Block Diagram - Nokia 447ZiPlus Service Manual

9.BLOCK DIAGRAM

T802 T803
90V...
T802/T803
D811...D814
264V
D811...D814
T801 I862
AC
EMI Filter, Rectifier.
Q868,D831
I/P
R831
R833 R808
Q840
Power LED
Q862
SMPS
PULSE FROM
FBT P807
POWER
SAVING
I501
MCU CONTROL
V
V
SELF TEST
Q550
TRAPEZOID
Q556
H/V CENTER
SYNC
HV/SIZE
BUFFER
H H
CS CONTROL
TILT CONTROL
SCL/SDA DDC
S516
KEY CONTROL
PWB - 0169
8V
D807
79V
D802
15V
D805
-9V
D806
I401
56V
D803/
H&V OSC
D804
Q820
Q821
I810 12V
7812
Q822
Q823
8V
5V
I811
7805
V
V OUT
H
E/W OUT
H OUT
X RAY OUT
D446/D449
X-RAY
I502
PROTECTION
EEPROM
Q438,Q439,Q440
R321
L440,D442
HV. ADJ.
PWM B+ CONTROL
PWB-0170
R930
6.3V
R
I903
I902
R
R Video out
G
VIDEO
G
G Video out
B
PRE
AMP
B
B Video out
I904
OSD
Q348
Contrast
SPOT KILLER
Adjust
Q353/Q341
BLANKING
Brightness
Q495/Q497
Adjust
BRIGHTNESS
I330
Vert. Output
Q433/D434
Q429/T430
Hor. Output
Driver
Q470/L471
Q467/Q468
Diode
Width Adj.
Mod.
E/W Q466
34
Heater
KR
V901 CRT
KG
KB
G1 G2
Vert.
D.
Y.
Hor.
D.Y.
D485
D486
RASTER
CENTER
L483
T440
L454
Q405
F.B.T.
Q401
Q403
Q407
Focus 1, 2
Q423
CS Ctrl
Anode