9-2
2. Video/Audio Block Diagram
PL14.12BLVA
DIGIT
AL MAIN CB
A UNIT
IC3803
(A
UDIO AMP)
Q3821
Q3822
P-ON+3.3V
LCD-P-ON
COMP-DET
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
SP3802
SPEAKER
R-CH
CN3801
SP3801
SPEAKER
L-CH
AMP(L)-OUT
AMP(R)-OUT
3
SP(R)-
4
SP(R)+
2
SP(L)-
1
SP(L)+
DIF-OUT1
DIF-OUT2
IF-A
GC
T
O
DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
GRAM
JK3713
PC-RGB
-IN
1
2
3
13
14
15
12
V
GA-R-IN
V
GA-G-IN
V
GA-B-IN
V
GA-HSYNC
V
GA-VSYNC
V
GA-SCL
V
GA-SD
A
TU3001
DIF-OUT1
6
DIF-OUT2
7
(TUNER UNIT)
IF-A
GC
5
VIDEO SIGNAL
AUDIO SIGNAL
1
2
3
25
23
CONTROL LOGIC
DRIVE
DRIVE
PWM
LOGIC
18
20
DRIVE
DRIVE
PWM
LOGIC
12
POWER
LIMIT
POWER
LIMIT
A
UDIO(L)-IN
A
UDIO(R)-IN
JK3706
DIGIT
AL
A
UDIO-OUT
(CO
AXIAL)
Q3709
B
UFFER
A
UDIO(L)-IN
A
U
DIO(R)-IN
HP(R)
HP(L)
SPDIF
COMPONENT
-Y/VIDEO-IN
COMPONENT
-Pb-IN
COMPONENT
-Pr-IN
JK3701
COM-VIDEO-Y/VIDEO-IN
COM-VIDEO-Pr-IN
COM-VIDEO-Pb-IN
HP-DET
JK3801
HEADPHONE
JA
C
K
