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R
:TO POWER SUPPLY/RF SECTION
VIDEO MAIN SIGNAL PATH IN REC MODE
S
:TO SYSTEM CONTROL & SERVO SECTION
A12
V
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
A
:TO Hi-Fi AUDIO SECTION
H
T :TO TIMER SECTION
L4902
33u
R
PS 12V
C4958
G
0.1
A
AV2 A IN (L)
A11
A
AV2 A IN (R)
A10
A
AV2 A OUT (L)
A9
A
AV2 A OUT (R)
A8
S
AV1 PB
H
A7
A
AV1 A IN (L)
A6
A
AV1 A IN (R)
A5
A
AV1 A OUT (L)
A4
A
AV1 A OUT (R)
A3
R
RFC VIDEO OUT
A2
F
R
TUNER VIDEO
A1
S
AV2 PB
H
S
OSD PLUSE
R
N.SW 5V
T
POWER SW
T
AN2
E
S
IR
T
AN0
PP3901
AN0
1
IR
2
N.SW 5V
3
AV3 A IN (R)
4
GND (AV)
5
AN2
6
D
POWER SW
7
GND (AV)
8
AV3 VIDEO IN
9
B1
GND (FIP)
10
AV3 A IN (L)
11
AV3 C IN
12
B2
GND (AV)
13
AV3 Y IN
14
B3
IC4902
AV3 S-VHS IN
L
15
LA73023V
TW3901
C
S
AV3 S-VHS IN
L
A
AV3 A IN (L)
A
AV3 A IN (R)
L4903
33u
R
PS 5V
C4957
6V330
B
S
VIDEO OUT
B4
V
C OUT
B5
V
Y OUT
B6
V
C IN
B7
V
VIDEO/Y IN
B8
V
VHS
H
B9
V
S-VHS
H
B10
S
PROG
H
B11
S
IO IIC DATA
S
IO IIC CLOCK
A
R
GND
R
GND (AV)
R
GND (FIP)
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
1
2
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
A13
0.5
R4920
R4914
12.4
R4926
4700
22K
18K
Q4906
Q4905
2SD1328
2SD601A
0
0
(RGB ON:ON)
(AV2 PB:ON)
0.5
(-0.2)
QR4902
QR4901
4.4
2.7
UN2212
UN2215
(SWITCHING)
(RGB OFF
H
:ON)
D4903
R4919
MA165
470K
0
R4915
R4916
18K
470
R4917
22K
R4918
15K
A15
A16
C4920
0.1
C4918
C4910
C4919
R4922
0.01
0.1
0.1
4700
0
4.8
2.0
2.7
1.9
0
1.9
0.1
44
43
42
41
40
39
38
37
C MUTE
C MUTE
CPN C
FUNC
V IN3
FUNC
CPN Y
EXT
CTL1
CTL2
IN1
SW P1
SW P2
IN1
CTL5
INTER-
CLAMP
CLAMP
FACE
MUTE
CLAMP
IIC BUS
INTERFACE
POWER
SAVE
CPN C
Y DC
CPN Y
Y DC
CPN C
IN3
CTL
IN3
ADJ
IN1
DATA
CLOCK
CTL
1
2
3
4
5
6
7
8
2.8
2.9
2.0
2.8
2.0
R4923
R4924
LB4911
C4928
C4929
680
680
0
0.1
0.01
C4927
R4935
0.01
0
B12
B13
B4
B5
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
3
4
5
AUDIO MAIN SIGNAL PATH IN REC MODE
4.8
R4901
C4903
330
0.1
Q4902
2SB709A
(INV.)
4.2
1.9
Q4901
8
7
6
2.4
1.9
2SD601A
GND
VCC
(AMP)
H
1.3
IC4901
C1AB00000601
L
R4903
120
L
H
R4910
R4902
1
2
3
75
120
2.7
4.4
C4902
4.7
A17
A18
A19
C4924
0.1
R4921
4700
C4917
C4921
C4922
C4923
0.1
6V330
50V1
6V330
2.3
4.8
2.2
2.2
2.3
2.0
2.3
4.8
36
35
34
33
32
31
30
29
28
27
V IN2
VCC
V OUT
V OUT
GND
CPN Y
CPN C
CPS
CTL
AV2
AV1
OUT
OUT
OUT
VCC
CLAMP
CLAMP
VIDEO OUTPUT
VIDEO OUTPUT
SELECT SW
SELECT SW
(AV2)
(AV1)
+
MUTE
CPN Y OUTPUT
CPN C OUTPUT
SELECT SW &
SELECT SW &
SUPERIMPOSE
SUPERIMPOSE
MUTE
MUTE
MUTE
MUTE
CPN Y
CPN C
INPUT
INPUT
VIDEO INPUT
SELECT
SELECT
SELECT SW
SW
SW
CLAMP
CLAMP
ADR
CPN Y
CPN C
CPN Y
CPS
REG
REF
IN1
OUT
OUT
OUT
FIL
DC
CTL
GND
V IN4
9
10
11
12
13
14
15
16
17
18
1.3
2.8
2.0
1.2
1.9
2.0
(1.7)
C4930
C4931
C4943
C4932
0.1
0.1
0.1
0.1
R3040
4700
B6
B7
B8
B1
B2
6
7
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
A1
A2
TW3021
TW3024
C4956
R4936
0.01
1K
R4937
1K
4.8
2.7
5
4
2.7
0.1
C4901
0.01
A20
A21
A3
A4
C4915
C4916
100P
100P
C4925
C4926
0.1
0.01
LB4913
LB4912
C4936
0
0
0.1
A5
A6
1.9
0.1
2.0
4.4
2.1
C4914
C4911
26
25
24
23
470P
470P
CPN Y
AV1
CPN C
RGB
V IN1
IN2
S IN
IN2
OFF
H
H
CLAMP
A7
A20
A12
A19
A17
TW3002
TW3004
A8
A9
C4909
C4908
470P
470P
A10
A11
C4906
C4907
470P
470P
A15
A21
CLAMP
CLAMP
A13
A18
A16
R4905
75
CPN C
EXT
CPN Y
EXT
V IN5
IN2
CTL1
IN2
CTL2
19
20
21
22
2.0
0.1
1.9
4.1
1.9
C4933
C4934
C4935
0.4
R4913
0.01
0.1
0.01
Q4904
10K
0
2SD601A
TW3023
TW3022
(PROG
H
R4912
2.8
10K
R4925
4700
B9
B3
B10
B11
B12
NOTE:DO NOT ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
8
9
JK4903
K2HZ105B0007
R4932
75
4
2
S-VIDEO
OUT
3
1
R4933
75
5
JK4904
K2HA304B0005
LB4909
VLP0147
1
AUDIO
OUT (R)
C4952
C4953
470P
47P
2
LB4910
AUDIO
VLP0147
OUT (L)
3
C4954
C4955
VIDEO
470P
47P
OUT
4
R4934
75
TW4503
TW4504
LB4907
VLP0147
LB4908
VLP0147
AV1
JK4902
TW4505
TW4506
K1FB121B0003
(TV)
LB4905
VLP0147
1
1
AUDIO OUT CH2 (R)
2
2
AUDIO IN CH2 (R)
3
3
AUDIO OUT CH1 (L)
LB4906
4
4
GND (A)
VLP0147
C4913
C4912
5
5
GND (BLUE)
47P
47P
6
6
AUDIO IN CH1 (L)
7
7
BLUE
L4901
8
8
PB +12V
0.22u
9
9
GND (GREEN)
10
10
11
11
GREEN
12
12
13
13
GND (RED)
14
14
GND (BLANK)
15
15
RED/C OUT
16
16
BLANKING
17
17
GND (V OUT)
R4911
75
18
18
GND (V IN)
19
19
VIDEO OUT/Y OUT
20
20
VIDEO IN
21
21
GND
R4909
75
LB4903
VLP0147
LB4904
VLP0147
AV2
JK4901
K1FB121B0003
(DECODER/EXT)
LB4901
VLP0147
1
1
AUDIO OUT CH2 (R)
2
2
AUDIO IN CH2 (R)
3
3
AUDIO OUT CH1 (L)
LB4902
4
4
GND (A)
VLP0147
C4905
C4904
5
5
GND (BLUE)
47P
47P
6
6
AUDIO IN CH1 (L)
7
7
BLUE
8
8
AV2 +12V
9
9
GND (GREEN)
10
10
CONTROL
11
11
GREEN
12
12
DATA
13
13
GND (RED)
14
14
GND (BLANK)
15
15
RED/C IN
16
16
BLANKING
17
17
GND (V OUT)
R4906
75
18
18
GND (V IN)
19
19
VIDEO OUT
20
20
VIDEO IN/Y IN
21
21
GND
R4907
75
D4901
D4902
MA4075NM
MA4075NM
:ON)
0.5
Q4903
0
2SD601A
(PROG
H
:ON)
2.9
B13
NV-SV120EB/EC/EP
INPUT/OUTPUT SECTION
SCHEMATIC DIAGRAM
10
11
12
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