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8.8.
INPUT/ OUTPUT PACK SCHEMATIC DIAGRAM
PS3901
H
GND (AV)
1
GND (AV)
2
GND (AV)
3
PS3902
RFC VIDEO OUT
1
G
GND (AV)
2
AV1 A IN (R)
3
AV2 A IN (R)
4
GND (AV)
5
AV1 A IN (L)
6
AV2 A IN (L)
7
GND (AV)
8
AV1 A OUT (L)
9
AV1 A OUT (R)
10
GND (AV)
11
AV2 A OUT (R)
12
AV2 A OUT (L)
13
AV1 PB
H
14
F
E
PS3904
AV3 C IN
1
PS 12V
2
AV3 VIDEO IN
3
4
TUNER VIDEO IN
5
GND (AV)
6
OSD IIC DATA
7
OSD IIC CLOCK
8
GND (AV)
9
D
VV C OUT
10
GND (AV)
11
12
PS 5V
13
Y/C C OUT
14
OSD PLUSE
15
PROG
H
16
C
PS3905
Y/C Y OUT
1
GND (AV)
2
VIDEO/Y IN
3
GND (AV)
4
AV2/AV3 C IN
5
GND (AV)
6
7
GND (AV)
8
AV3 Y IN
9
GND (AV)
10
OSD VIDEO OUT
11
AV2 PB
H
12
PROJECT 50
13
S-VHS SW
L
14
B
A
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
1
VIDEO MAIN SIGNAL PATH IN REC MODE
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
B1
B2
A6
IC3901
A5
LA73023V
B4
B5
B6
B7
B8
B9
B10
A3
A2
A1
R3921
15K
L3901
33u
2
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
2.7
C3915
0.01
0
4.9
2.0
2.7
44
43
42
41
40
C MUTE
C MUTE
CPN C
FUNC
CTL1
CTL2
IN1
SW P1
INTER-
CLAMP
FACE
IIC BUS
INTERFACE
POWER
CPN C
SAVE
IN3
DATA
CLOCK
CTL
1
2
3
4
5
4.9
4.9
2.0
R3909
R3908
C3914
220
220
0.01
B15
B16
C3927
C3928
6V330
0.1
R3904
1K
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK M
WITH PAL COLOUR SIGNAL.(SP MODE)
3
4
A3
12.0
R3917
R3920
R3914
22K
22K
39K
Q3902
2SD601A
0.1
(AV2 PB:ON)
QR3902
0
4.7
UN2215
(SWITCHING)
D3901
R3919
MA165
470
0
R3916
R3918
18K
470K
A26
A27
C3916
C3917
R3910
C3918
0.1
0.1
4700
0.1
1.9
0
1.9
0.1
2.3
4.9
39
38
37
36
35
V IN3
FUNC
CPN Y
EXT
V IN2
VCC
SW P2
IN1
CTL5
CLAMP
CLAMP
VIDEO OUTPUT
SELECT SW
(AV2)
MUTE
MUTE
CPN Y
INPUT
SELECT
SW
CLAMP
CLAMP
Y DC
CPN Y
Y DC
CPN C
CPN Y
ADR
CTL
IN3
ADJ
IN1
IN1
CTL
6
7
8
9
10
2.3
2.0
2.3
C3913
C3912
C3911
0.1
0.1
0.01
R3907
R3906
1K
1K
B4
B6
R3905
2700
5
AUDIO M
A17
0.1
R3915
4700
Q4901
2SD1328
0
(RGB ON:ON)
QR3901
0.1
UN2212
(RGB OFF
H
:ON)
TP3002
A28
C3926
C
0.1
6
2.1
2.2
2.2
34
33
32
31
V OUT
V OUT
GND
C
AV2
AV1
O
VIDEO OUTPUT
SELECT SW
(AV1)
CPN Y OUTP
SELECT SW &
SUPERIMPOS
MUTE
MUTE
MUTE
CPN C
INPUT
VIDEO INPU
SELECT
SELECT SW
SW
CON C
CPN Y
CP
OUT
OUT
OU
GND
11
12
13
14
1.3
2.0
(1.
R3928
R
0
0
B8
B7
4.9
R
1
Q3901
3.7
2SD601A
(AMP)
3.1
6
47
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