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MPEG AND FRONT END P.W.BOARD OPERATION(BLOCK DIAGRAM)
(This is a basic waveform check.)
FRONT PWB
STANDBY MATCH
CN605
VCTRLI
NT/PAL
5MHz
CN601
NC
DS601
STB
SENSOR
(NC)IR
CLK
IC601
DOUT
UPD78023232
DIN
NC
(NC)MUTE
VFD
CN602
IC602
GND
KEY
RESET
M+5V
A/D INPUT
P-COM
-30V
FL1
FL2
STANDBY NOT MATCH
CN605
VCTRLI
NT/PAL
DS601
CN601
SENSOR
NC
STB
IR
VFD_CLK
IC601
VFD
DATA_OUT
UPD16311
DATA_IN
NC
P_MUTE
CN602
KEY
KEY-SCAN INPUT
GND
M+5V
P-COM
-30V
FL1
FL2
+12V
+5V
+3.3V
P-COM
-30V
FL1
FL2
CN818
+12V
D5V
DAC5V
+3.3V
Q8001
2.5V
A1036
from MPEG
board
CN810
HRST
TXD
RXD
SCLK
FFC 18P
RDY_HIF
LRCK
BCK
CDDATA
CDDATA
SPDIF
SPDIF
CN809
FFC 26P
SDT0-7
DREQ
DACK
DBGN
DCLK
CN806
DATA_IN
VFD_CLK
DATA_OUT
from MPEG
to FRONT
STB
IR
board
pwb
(READY)
POWER SUPPLY
Q4802
Q4821
IC481
KIA78R05PI
Q4813
IC483
L5431
IC480
KIA78R33PI
Q4811
Q4812
Q4810
Q4802
Q4803
= STANDBY MATCH
Q4804
- 30 -
LA4-18
LATCH(ML)
X103(CLK)/X102(/OC)
LATCH(ML)
STB
AD0-31
SCLK1(MC)
SSPIN1
LA0-3,
SCLK1(MC)
SSPCLK1
PWE0-,ALE
SSPOUT1
ACLK/LRCK/PCMCLK
X104/X105
AOUTO3
AOUTO/AOUT1/AOUT2
IC812
IC801
PST3627UR
RSTP-
RESET
SRST
SRST-
DVD0,DVD4
DSTB,DCLK
RXD1
X1012
DVD0-3
SPDIF
DVD5-7
(VIDEO OUT)
MD0-31,MA0-13
IC806
IC807
SDRAM 16Mb
SDRAM 16Mb
SUPPLY/SOCKET board
IC490
AC-INPUT
STR6651
SCART PWB
SW-RGB
Q6602
SW-V
RGB
COMPOSITE
AUDIO L/R
=
5. 1ch model use
CN805
IC817
IC842
PCM1748E
KIA4558
A-DAC(2CH)
AMP
L-CH
R-CH
A_MUTE
Q8001
A1036
IC819
Q8003
AND
KRC107
IC863
KIA4558
CN805
AMP
SURR_L
VOUT1/2
SURR_R
IC861
IC864
VOUT3/4
CENTER
PCM1602Y
KIA4558
VOUT5/6
WOOFER
A-DAC(6CH)
AMP
FRONT_L
FRONT_R
IC862
IC816
KIA4558
LEVEL SHIFT
AMP
CN801
(3V->5V)
SPDIF
S/RGB/COMP
NTSC/PAL
VCTRL
VDAC1-4
CN672
/XE, /UK MODEL
from POWER
NT/PAL
SW
VIDEO
SW
CN660
Q6601
SW-RGB
SW-V
RGB
CVBS
L-CH
R-CH
SCART OUTPUT
- 31 -
to SOCKET
PWB
from MPEG PWB
SOCKET section
CN482
CN683
5.1ch MODEL
Q6707
5.1ch
OUTPUT
COMPOSITE
Q6707
AUDIO
L/R
Q6708
MUTE
S-VIDEO
SPDIF
Y/C
/C
B
R
COMPONET
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