1
2
3
4
5
6
7
A
B
C
D
E
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( ) ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
8
9
F
G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
10
11
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
IC3902
LA73021M
C
EXT
CTL 4
D
EXT
CTL 3
CLAMP
B
C
6dB
SW1
A
FSS
OUT
D
C
CLAMP
A
B
SW3
6dB
CLAMP
POWER
SAVE
IIC BUS
INTERFACE
SERIAL
CONTROL
EXT
CTL 2
V REF
RIPPLE
FLT
CLAMP
CLAMP
E
A
B
SW2
EXT
CTL 1
BUF
BUF
AMP
CLAMP
GND
12V
GND
GND
N.SW
5V
GND
PS 5V
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
IC3901
AN3581S
+
-
- +
+
VV
Y IN
Y GND
OSD
Y IN
EE
EE
Y IN
VCC
VV
Y IN
FULL
SCREEN
EE
C IN
C
GND
OSD
C IN
VV
C IN
C OUT
VCC
(DR)
Y+C
OUT
Y+C
FB
GND
(DR)
Y OUT
Y FB
CPS
LET
PS3904
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AV3 C IN
PS 12V
AV3 VIDEO IN
SLEEP
TUNER VIDEO IN
GND (AV)
OSD IIC DATA
OSD IIC CLOCK
GND (AV)
VV C OUT
GND (AV)
PS 5V
Y/C C OUT
EE
PROG
R3917
220
R3916
220
R3915
220
C3925
0.1
PS3905
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Y/C Y OUT
GND (AV)
VIDEO/Y IN
GND (AV)
AV3 C IN
GND (AV)
N.SW 5V
GND (AV)
GND (AV)
GND (AV)
OSD VIDEO OUT
AV2 PB
PROJECT 50
S-VHS SW
C3921
0.1
C3920
16V47
C3919
16V47
TP3022
R3909 47K
R3910 4700
C3916
1
L3903
33u
L3907
33u
C3924
0.1
C3928
0.1
L3905
33u
C3922
0.01
C3923
6V330
D3901
MA165
C3931
0.1
PS3901
1
2
3
GND (AV)
GND (AV)
GND (AV)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PS3902
RFC VIDEO OUT
GND (AV)
AV1 A IN (R)
AV2 A IN (R)
GND (AV)
AV1 A IN (L)
AV2 A IN (L)
GND (AV)
AV1 A OUT (L)
AV1 A OUT (R)
GND (AV)
AV2 A OUT (R)
AV2 A OUT (L)
AV1 PB 12V
C3905
1
C3908
1
C3907
1
R3948
1800
L3908
39u
C3947
27P
C3948
4P
R3938
1K
C3945
47P
R3939
1K
L3906
33u
Q3902
2SD601A
(AMP)
R3941
1K
R3940
1K
C3909
0.01
C3910
1
C3911
6V330
R3919
75
R3918
75
C3912
16V10
R3905
1K
R3907
470K
R3908
220K
C3914
16V10
C3913
6V330
R3906
470
R3911
1K
R3912
910
16
18
14
12
10
8
6
4
2
21
19
17
15
13
11
9
7
5
3
1
JK3905
VJS1470
(DECODER/EXT)
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
16
18
14
12
10
8
6
4
2
21
19
17
15
13
11
9
7
5
3
1
JK3906
VJS1470
(TV)
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
AUDIO OUT CH2 (R)
AUDIO IN CH2 (R)
AUDIO OUT CH1 (L)
GND (A)
GND (BLUE)
AUDIO IN CH1 (L)
BLUE
PB +12V
GND (GREEN)
-/CONTROL
GREEN
-/DATA
GND (RED)
RED/C OUT
BLANKING
GND (V OUT)
VIDEO OUT/Y OUT
VIDEO IN
GND
GND (BLANK)
GND (V IN)
GND (V IN)
AUDIO OUT CH2 (R)
AUDIO IN CH2 (R)
AUDIO OUT CH1 (L)
GND (A)
GND (BLUE)
AUDIO IN CH1 (L)
BLUE
AV2 +12V
GND (GREEN)
-/CONTROL
GREEN
-/DATA
GND (RED)
RED/C IN
BLANKING
GND (V OUT)
VIDEO OUT
GND
VIDEO IN/Y IN
GND (BLANK)
5
4
3
JK3902
VJJ0416
AUDIO
OUT(L)
2
AUDIO
OUT(R)
1
7
6
VIDEO
OUT
AV1
AV2
LB4909
VLP0147
LB4908
VLP0147
R4901
470
R4902
470
C3935
470P
C3934
470P
LB3902
VLP0147
LB3901
VLP0147
LB4912
470
LB4913
470
R3928
75
C4907
470P
C4908
470P
C4909
47P
C4910
47P
TP4505
TP4506
LB4905
VLP0147
LB4906
VLP0147
L4901
0.22u
6
5
3
1
2
4
JK3904
VJJ0574
S-VIDEO OUT
S3901
VSS0513
AV1 OUT
NORMAL S
7
1
6
12
TP3003
R3934
75
C4901
47P
C4903
470P
C4904
470P
C4902
47P
LB4901
VLP0147
LB4902
VLP0147
LB4903
VLP0147
LB4904
VLP0147
R4904
470
R4903
470
R3920
470
R3922
15K
R3921
22K
Q3903
2SD601A
(PROG :ON)
R3913
10K
R3914
10K
Q3904
2SD601A
(PROG :ON)
D3903
MA4075NM
D3902
MA4075NM
Q3905
2SD1328
(RGB ON:ON)
R3933
75
R3931
75
R3926
75
TP3024
TP3090
R3936
1500
C3903
0.1
R3937
510
C3929
6V330
C3930
0.1
R3932
75
TP3021
R3951
390
C3946
15P
L3909
82u
R3903
1K
R3947
2700
C3936
6V330
C3937
0.1
C3906
1
C3904
0.01
TP3002
C3918
0.1
QR3901
UN2212
(RGB OFF :ON)
R3925
75
R3924
75
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
B1
A12
A13
A14
B2
B3
B4
A15
A16
A17
A18
B5
A20
A21
A15
A16
A18
A11
A17
A23
A24
A25
A26
A27
A7
A6
A2
A4
A13
A10
A23
A21
A14
A24
A20
A25
A12
A8
A9
A3
A5
A27
A26
AV OUT
B3
B9
B10
B4
B2
B1
B5
B10
B9
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
4.9
3.1
3.7
A1
1.8
2.2
1.7
2.3
4.9
2.4
2.0
2.5
2.5
0.1
(4.9)
2.5
4.9
2.5
0.7
2.0
2.0
2.3
2.0
0
1.8
5.2
2.1
1.8
4.9
2.2
0
4.9
4.9
0.3
0.7
2.5
6.2
10.9
1.8
11.9
4.1
0.7
2.1
1.6
0
C
Y
0.8
0
0.9
(0.4)
1.3
0.7
5.0
1.1
0.7
4.9
R3923
4700
C3926
0.01
TP3023
TP4503
TP4504
H
H
L
H
H
H
H
H
H
B/W
H
H
NV-HS825EG/B/EC
INPUT/OUTPUT PACK
SCHEMATIC DIAGRAM