Block Diagram - JVC InteriArt LT-20A55SJ Service Manual

BLOCK DIAGRAM

MUX block diagram
MUX BLOCK
TV_[HS,VS]
MUX
PC_[HS,VS]
74HC4052D
HD_[HS,VS]
YCbCr
VIDEO
SWITCH
[R,G,B]OUT P15V330
V[R,G,B]IN
AHSYNC
AVSYNC
Control Signals
VGA_TV_SW
YUV_TV_SW
TV_[R,G,B]AIN
VIDEO
SWITCH
RGB
P15V330
RF in
S-Video in
CVBS in
Scart
FBLIN
[R,G,B]IN
YCbCr
Y HD_[HS,VS]
MACROVISION
CVBS
SYNC
SEPARATOR
EL1883
PC_[HS,VS]
PC in
V[R,G,B]IN
(No.YA381)2-3 2-4(No.YA381)
TV system block diagram
SAW
VFIN (24,25)
UOCIII
Y4(51)
C4(52)
CVBS3/Y3(58)
AUDIOIN5L(34)
AUDIOIN5R(35)
C2(59)
CVBS2/Y2(55)
IFVO(43)
AUDIO UTS L(36) PCAUDIOINL(49)
AUDIOUTSR(37 PCAUDIOINR(50)
AUDIOIN3L(56)
AUDIOIN3R(57)
74HC14
VDRA,HOUT(23,67)
AUDOUTHP[L,R](62,63)
FBLIN
R,G,B(78,79,80)
AUDOUTLS[L,R](60,61)
[R,G,B]OUT(85,86,87)
[R,G,B]OUT
MUX
Comunication
BLOCK
Signals: SDA_U, SCL_U
[YUV,VGA] _SW I2C and Handhake
PORTD[5,6](58,57)
PW1306
[H,V]SYNC(65,64)
A[H,V]SYNC
[R,G,B]AIN(37,43,50)
RGB
PORTD7(56)
MACROVISION
CVBS
D[R,G,B]E[0-7], PORTA7(201)
DHS,DVS,DEN,DCLK D[R,G,B]O[0 -7]
LVDS
DS90C385
PANEL
PC Audio in
Audio in
HP DRIVER
TDA1308
AUDIO
AMPLIFIER
2xTDA7056
EEPROM
Flash ROM
Buffer