9-12
2. Video/Audio Block Diagram
PL13.11CBLVA
DIGIT
AL MAIN CB
A UNIT
IC3801
(A
UDIO AMP)
Q3801
AMP-MUTE
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
JK3001
PC-RGB
-IN
1
2
3
13
14
15
12
V
G
A-R-IN
V
G
A-G-IN
V
G
A-B-IN
V
G
A-HSYNC
V
G
A-VSYNC
V
G
A-SCL
V
G
A-SD
A
TU3901
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
U
DIO(L)-IN
A
U
DIO(R)-IN
JK3701
DIGIT
AL
A
U
DIO-OUT
(CO
AXIAL)
Q3701
B
U
FFER
A
U
DIO(L)-IN
A
U
DIO(R)-IN
HP(R)
HP(L)
SPDIF
COMPONENT
-Y/VIDEO-IN
COMPONENT
-Pb-IN
COMPONENT
-Pr-IN
JK3702
COM-VIDEO-Y/VIDEO-IN
COM-VIDEO-Pr-IN
COM-VIDEO-Pb-IN
JK3703
HEADPHONE
JA
C
K