Panasonic DVD-LV75 - Audio;Video Input;Output Block Diagram

14.4. AUDIO/VIDEO INPUT/OUTPUT BLOCK DIAGRAM
L
L
AV IN/OUT
IC6001-54
(20usec./div.)
2.2Vp-p
IC3201-6
(20usec./div.)
2.2Vp-p
IC3201-11
(20usec./div.)
1.2Vp-p
IC3201-12
7.3Vp-p(10usec./div.)
IC3001-117
3.1Vp-p(0.5msec./div.)
IC4008-13,16
3.3V
VR3022
Y ADJ.
137 VREF Y
VREF C
132
C ADJ.
VR3021
3.3V
0.8Vp-p(20usec/div)
IC3001-135
1.2Vp-p(20usec/div)
IC3001-140
+9V
QR4009
I/O OUT
I/O IN
3
(1/2)
IC4011
(1/2)
IC4011
Q4006
Q4005
Q4004
Q4003
(1/2)
IC4002
(1/2)
IC4002
(1/2)
IC4003
(1/2)
IC4003
(1/2)
IC4004
(1/2)
IC4005
(1/2)
IC4004
TP4003 TP4004
TP4005TP4006
A OUT1
118
A OUT2 119
10
11
12
13
LPFD/A
LPFD/A
LPFD/A
LPFD/A
LPFD/A
LPFD/A
45
46
3635344237
TEST MD ML MC
38
9
14
MODULATOR
CONTROLLER
OSC
I/F
SERIAL
47
40
41
IC4001
(A-D/A)
RST
QR3202
Q3203
SW
SELECT
3
2
1
5.1CH OUT
OPT OUT
1
2
3
7
9
S2
+5V
10
DRIVE
LCD
LCD
EXT
:AUDIO SIGNAL
:VIDEO SIGNAL
L INT
R
EXT
INT
Y
C
C
Y
OUT
CVBS
IN/OUT
VIDEO LINE
1
2
3
LCD Y
LCD C
EGI
5
1
2
3
4
S1
+
DACSEL
D-OUT
IC6001-39
IC6201-48
+3.3V
QR4007
QR4002
QR4001QR4003
+9V
IN/OUT
AUDIO LINE
FROM OPERATION
FROM CPU
POW A-MUTE
CPU A-MUTE
IC6001-41
LCD ON/OFF
SW6003
EGI
HEADPHONE
SP-R
SP-L
TP4012
TP4010
Q3202
AMP
(1/2)
IC4007
(1/2)
IC4007
VR4001
Q4008
Q4007
TP4007
TP4008
TP4001
TP4002
Q4001
Q4002
IC4009(1/2)
IC4009(1/2)
11
14
12
13
15
2
1
282726242322
ML MD CS MC MODE RST
+B
5
13
16
LPFD/A
OSC
MODULATOR CONTROLLER
LPFD/A
I/F
SERIAL
1
3
2
(AV-DEC)
(A-D/A)
IC4008
IC3002
(VIDEO DRIVER)
IC3201
+
10
11
5
6
1215 C-OUT 135
2 Y-OUT 140
ICE OUT 110
114 LRCK
SRCK
115
IC3001
A OUT0 117
DVD-LV75 / DVD-PV55
38