8.7.
INPUT/ OUTPUT SECTION IN MAIN SCHEMATIC DIAGRAM
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
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
PP3901
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
AN0
IR
N.SW 5V
GND (AV)
AN2
POWER SW
GND (AV)
AV3 VIDEO IN
GND (FIP)
AV3 A IN (L)
GND (AV)
AV3 Y IN
AV3 S-VHS IN
B3
TO FRONT PS4801(C-1)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
C4910
0.1
C4919
0.1
A16
R4922
4700
C4917
0.1
A17
A18
C4921
6V330
C4922
50V1
C4923
6V330
C4936
0.1
IC4902
LA73023V
TW3021
TW3024
LB4907
VLP0147
LB4908
VLP0147
A3
A4
TW4503
TW4504
C4955
47P
C4954
470P
LB4909
VLP0147
LB4910
VLP0147
1
2
3
4
AUDIO
OUT (R)
AUDIO
OUT (L)
VIDEO
OUT
JK4904
K2HA304B0005
4
2
3
1
5
JK4903
K2HZ105B0007
S-VIDEO
OUT
R4932
75
R4933
75
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
A5
A6
C4914
470P
C4911
470P
LB4906
VLP0147
LB4905
VLP0147
C4913
47P
C4912
47P
TW4505
TW4506
A7
L4901
0.22u
A20
A12
A19
R4911
75
A17
R4909
75
TW3004
JK4902
K1FB121B0003
AV1
(TV)
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)
GREEN
GND (RED)
GND (BLANK)
RED/C OUT
BLANKING
GND (V OUT)
VIDEO OUT/Y OUT
VIDEO IN
GND
A8
LB4903
VLP0147
A9
LB4904
VLP0147
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
JK4901
K1FB121B0003
AV2
A10
LB4901
VLP0147
A11
LB4902
VLP0147
C4907
470P
C4906
470P
C4905
47P
C4904
47P
(DECODER/EXT)
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
AV2 +12V
GND (GREEN)
CONTROL
GREEN
DATA
GND (RED)
GND (BLANK)
RED/C IN
BLANKING
GND (V OUT)
GND (V IN)
VIDEO OUT
VIDEO IN/Y IN
GND
A15
A21
A13
A18
A16
R4905
75
R4907
75
R4906
75
Q4904
2SD601A
R4913
10K
R4912
10K
Q4903
2SD601A
B11
B12
B13
R4923
680
R4924
680
B12
B13
B5
C4928
0.1
C4929
0.01
B6
C4930
0.1
B7
B8
C4931
0.1
C4943
0.1
B1
C4932
0.1
C4933
0.01
B2
TW3023
TW3022
C4934
0.1
B3
C4935
0.01
INTER-
FACE
IIC BUS
INTERFACE
CLAMP
CLAMP
CLAMP
VIDEO OUTPUT
SELECT SW
(AV2)
VIDEO OUTPUT
SELECT SW
(AV1)
MUTE
CPN Y OUTPUT
SELECT SW &
SUPERIMPOSE
CPN C OUTPUT
SELECT SW &
SUPERIMPOSE
+
MUTE
CLAMP
CLAMP
MUTE
CLAMP
CLAMP
CLAMP
CLAMP
CPN Y
INPUT
SELECT
SW
MUTE
CLAMP
CPN C
INPUT
SELECT
SW
MUTE
VIDEO INPUT
SELECT SW
MUTE
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
NOTE:DO NOT ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
DATA
CLOCK
POWER
SAVE
CTL
CPN C
IN3
Y DC
CTL
CPN Y
IN3
Y DC
ADJ
CPN C
IN1
ADR
CTL
CPN Y
IN1
GND
CPN C
OUT
CPN Y
OUT
CPS
OUT
REG
FIL
V IN4
REF
DC
CPN C
IN2
EXT
CTL1
CPN Y
IN2
EXT
CTL2
V IN5
C MUTE
CTL1
C MUTE
CTL2
CPN C
IN1
FUNC
SW P1
V IN3
FUNC
SW P2
CPN Y
IN1
EXT
CTL5
V IN2
VCC
V OUT
AV2
V OUT
AV1
GND
CPN Y
OUT
CPN C
OUT
CPS
OUT
CTL
VCC
CPN Y
IN2
AV1
S IN
CPN C
IN2
RGB
OFF
V IN1
AV3 A IN (R)
AV3 C IN
B1
B2
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
LB4911
0
C4927
0.01
R4935
0
B4
B10
B9
R4925
4700
R3040
4700
R4918
15K
R4917
22K
A15
A19
C4920
0.1
C4918
0.01
R4920
4700
R4926
18K
R4914
22K
R4915
18K
D4903
MA165
R4919
470K
R4916
470
Q4905
2SD601A
(AV2 PB:ON)
QR4901
UN2215
(SWITCHING)
QR4902
UN2212
Q4906
2SD1328
(RGB ON:ON)
C4958
0.1
L4902
33u
L4903
33u
C4957
6V330
B4
B5
B6
B7
B8
B9
B10
B11
TW3901
S
A
A
R
S
V
V
V
V
V
V
S
S
S
R
R
R
R
A
A
A
A
S
A
A
A
A
R
R
S
S
R
T
T
S
T
PS 12V
AV2 A IN (L)
AV2 A IN (R)
AV2 A OUT (L)
AV2 A OUT (R)
AV1 PB
AV1 A IN (L)
AV1 A IN (R)
AV1 A OUT (L)
AV1 A OUT (R)
RFC VIDEO OUT
TUNER VIDEO
AV2 PB
OSD PLUSE
N.SW 5V
POWER SW
AN2
IR
AN0
AV3 S-VHS IN
AV3 A IN (L)
AV3 A IN (R)
PS 5V
VIDEO OUT
C OUT
Y OUT
C IN
VIDEO/Y IN
VHS
S-VHS
PROG
IO IIC DATA
IO IIC CLOCK
GND
GND (AV)
GND (FIP)
A12
A13
C4924
0.1
8
7
6
5
1
2
3
4
L
H
L
H
VCC
GND
C4902
4.7
C4901
0.01
C4903
0.1
R4901
330
R4910
75
R4902
120
R4903
120
Q4902
2SB709A
Q4901
2SD601A
IC4901
C1AB00000601
(INV.)
(AMP)
R4937
1K
R4936
1K
C4956
0.01
R4921
4700
C4925
0.1
LB4913
0
C4926
0.01
LB4912
0
A1
A2
A20
A21
C4916
100P
C4915
100P
TW3002
C4908
470P
C4909
470P
D4901
MA4075NM
D4902
MA4075NM
C4953
47P
C4952
470P
GND (V IN)
R4934
75
V
:TO POWER SUPPLY/RF SECTION
R
:TO SYSTEM CONTROL & SERVO SECTION
S
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
T :TO TIMER SECTION
:TO Hi-Fi AUDIO SECTION
A
0.5
0.5
0
4.4
2.7
0
0
12.4
(-0.2)
4.8
2.4
4.2
1.3
1.9
1.9
4.8
2.7
2.7
4.4
2.7
0.1
0
4.8
2.0
2.7
1.9
0
1.9
0.1
2.3
4.8
2.2
2.2
2.3
2.0
2.3
4.8
1.9
0.1
2.0
4.4
2.1
2.8
2.9
2.0
2.8
2.0
2.8
2.0
1.3
(1.7)
1.2
1.9
2.0
2.0
0.1
1.9
4.1
1.9
0.4
2.8
0
0
0.5
2.9
(PROG :ON)
H
(PROG :ON)
H
H
H
(RGB OFF :ON)
H
L
H
H
H
L
H
H
NV-SV120EB/EC/EP
INPUT/OUTPUT SECTION
SCHEMATIC DIAGRAM
53
Summary of Contents for NV-SV120EC
Page 24: ...10 2 CASING PARTS SECTION 24 ...
Page 25: ...10 3 PACKING PARTS SECTION 25 ...
Page 39: ...39 ...
Page 41: ...L7603 G0C270JA0019 CHOKE COIL AXIAL VLQ0599J270T 41 ...