Philips TCM1.0E, Руководство по обслуживанию

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20 TCM1.0E LA 6. Block Diagrams, Test Point Overview, and Waveforms
Block Diagram MT 8 200
E a rphone
S pe a ker
POWER S UPLLY CONTROL MCU
KA-9222
M
U
X
DRAM
8 MX16
MCU
8 0 3 2 D S P
A u dio Proce ss ing
FLA S H
2MB
O s d
Up S c
Color
Proce
ss ing
S hrink
De-interl a cing
VBI
S licer
E
2
P
ROM
Mixer
R/G/B LTI
GAIN/OFF S ET
G a mm a
O u tp u t m as king
Dithering LVD S /TTL TX
A
D
C
TV
D
HDTV
D
VGA
D
3 DCom
b
2DCom
b
YUV
DAC
WM 8 501
TDA
7266
ADC x 8
T u ner
D 3 95 3 N D945 3 D
TDA9 88 6T
S o u nd
Demod u l a tor
CM2021
HDMI E S D
HDCP
HDMI EDID
VGA EDID
HEF4052
IR LED r LED g
POWER
KEY
MTD S Core
HDCP
Engine
Mode Control
Video Proce ss
A u dio Decoder
Detect
I
2
c
HDMI
Clock
27M Hz
o u t
Byp ass
Config u re On MT00 Cl ass i s :
1, TV/ VGA/ YPBPR/ HDMI&HDCP/ S CART / AV& S IDE AV/ YC…VIDEO IN
2, S CART CVB S OUT …………………………………..………………VIDEO OUT
3 , TV/ VGA/HDMI&HDCP/ S CART / YPBPR&AV& YC/ S IDE AV…AUDIO IN
4, BTL OUT/EARPHONE OUT..………………………………………..AUDIO OUT
5, LVD S ( s ingle/do ub le)/TTL………………………………………….. S IGNAL OUT
6, INVERTER CON/KEY&IR CON/ S IDE AV&EARPHONE/UART…INTERFACE
7, TELETEXE/NICAM/Germ a n S tereo………………………………..
8 , S TANDBY MODE BLOW . 3 W………………………………………. S TANDBY
9, DC TO DC(12V TO 5V) FOR 26”……………………………………DC TO DC
10, MT 8 200/ S DRAM/FLA S H/MT 8 29 3 /KA9222/TDA9 88 6/
RE S ET/ADC/DAC/AUDIO S WITCH/EEPROM………………..….IC
PC A u dio
MT 8 200A * E
Do S c
TDA7266
Av au dio
12V P_
AMP
5V VCC
D ua l P-Ch a nnel
MO S FET
B a ck light /PWM Brightne ss control
S ide Av au dio
I2C
T u ner
ADC
WM 8 7 83
INVERTER
LCD PANEL
LDO (U1:LD10 8 4,U 3 : LD10 8 4,U5: ld1117) VCC to 3 V 3 ;
LDO (U2:LD10 8 4,U4: LD10 8 4,U11: ld1117) 3 V 3 to 1V 8
VGA
YUV/RGB
VBI decode
TV/AV/ S CART CVB S
Driver
AMP
S c a rt A u dio
MT00 BLOCK DIAGRAM MT 8 200
I_179 3 0_0 38 .ep s
22040 8