9-2
2. Video/Audio Block Diagram
PL12.3ABLVA
A
U
DIO(L)-IN
A
U
DIO(R)-IN
JK3701
DIGIT
AL MAIN CB
A UNIT
IC3801
(A
UDIO AMP)
DIGIT
AL
A
U
DIO-OUT
(CO
AXIAL)
Q3701
B
U
FFER
Q3801
A
U
DIO(L)-IN
A
U
DIO(R)-IN
SPDIF
A
U
DIO-MUTE
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
JK3703
HEADPHONE
JA
C
K
SP3802
SPEAKER
R-CH
CN3801
SP3801
SPEAKER
L-CH
AMP(L)-OUT
AMP(R)-OUT
3
GND
4
SP(R)
2
GND
1
SP(L)
COMPONENT
-Y/VIDEO-IN
COMPONENT
-Pb-IN
COMPONENT
-Pr-IN
JK3702
DIF-OUT1
COMP-DET
DIF-OUT2
IF-A
GC
COM-VIDEO-Y/VIDEO-IN
COM-VIDEO-Pr-IN
COM-VIDEO-Pb-IN
T
O
DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
GRAM
JK3001
PC-RGB
IN
Q3301
IC3013
IC3014
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
B
U
FFER GA
TE
B
U
FFER
Q3302
B
U
FFER
B
U
FFER GA
TE
VIDEO SIGNAL
AUDIO SIGNAL
34
17
32
CONTROL LOGIC
DRIVE
PWM
19
DRIVE
PWM
P-ON+5V
Q3803
Q3802
11,12
39,40
BA
CKLIGHT
-SW