Advertisement
R
:TO POWER SUPPLY/RF SECTION
S
:TO SYSTEM CONTROL & SERVO SECTION
V
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
T
:TO TIMER SECTION
S
MAIN IIC CLOCK
A3
S
MAIN IIC DATA
A2
V
FSC
A1
G
S
MUTE
H
PP3901
GND (AV)
1
GND (AV)
2
GND (AV)
3
PP3902
RFC VIDEO OUT
1
B1
GND (AV)
2
AV1 A IN (R)
3
B2
AV2 A IN (R)
4
B3
GND (AV)
5
AV1 A IN (L)
6
B4
AV2 A IN (L)
7
B5
GND (AV)
8
AV1 A OUT (L)
9
F
AV1 A OUT (R)
10
GND (AV)
11
AV2 A OUT (R)
12
AV2 A OUT (L)
13
AV1 PB 12V
14
B6
E
PP3904
AV3 C IN
1
PS 12V
2
AV3 VIDEO IN
3
4
TUNER VIDEO IN
5
B12
GND (AV)
6
OSD IIC DATA
7
B13
OSD IIC CLOCK
8
B14
GND (AV)
9
VV C OUT
10
B15
GND (AV)
11
12
PS 5V
13
D
Y/C C OUT
14
B17
OSD PULSE
15
B18
PROG
H
16
B19
PP3905
Y/C Y OUT
1
B20
GND (AV)
2
VIDEO/Y IN
3
B21
GND (AV)
4
AV2/AV3 C IN
5
B22
GND (AV)
6
7
GND (AV)
8
AV3 Y IN
9
C
GND (AV)
10
OSD VIDEO OUT
11
B23
AV2 PB
H
12
B24
PROJECT 50
13
B25
S-VHS SW
L
14
B26
PP3906
DNR SW
1
B27
IR
2
B28
N.SW 5V
3
AV3 A IN (R)
4
B29
GND (AV)
5
SCT SW
6
B30
POWER SW
7
B31
GND (AV)
8
B
AV3 VIDEO IN
9
GND (FIP)
10
AV3 A IN (L)
11
B32
AV3 C IN
12
GND (AV)
13
AV3 Y IN
14
AV3 S-VHS IN
L
15
B33
TW3901
S
RFC MUTE
H
A
R
PS 5V
R
N.SW 5V
R
PS 12V
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 REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
A4
L4502
1.2u
C4526
C4525
QR4501
0.1
6V100
UN2113
-1.4
(BUFFER)
0
(-0.6)
R4533
220
QR4503
R4530
XN0121600L
100K
(MUTE)
0
2
1.7
-1.4
49
(-0.6)
3
4
1.7
50
5
C4530
0
1
16V10
6.0
51
R4531
220
C4531
16V10
6.0
R4532
52
100K
R4535
C4532
220
16V10
6.0
53
QR4504
C4544
R4534
XN0121600L
100P
100K
(MUTE)
0
54
0
2
-1.4
(-0.6)
3
55
4
5
0
56
0
1
R4538
C4533
220
16V10
6.0
57
C4545
R4536
100P
100K
11.9
58
L4503
0
C4535
16V10
C4539
C4534
6.1
59
0.1
16V47
R4537
R4543
C4536
10K
220
16V22
0.8
60
2.5
B35
61
B36
R4540
C4538
22K
0.1
2.4
B37
62
R3539
3600
0
63
0
64
IC4501
AN3656NFBPBV
QR4502
0
UN2113
-1.3
(BUFFER)
QR4507
0
(-0.6)
UN2216
(MUTE)
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
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
A1
A2
A3
C4529
R4526
R4525
16V10
1K
1K
2.5
2.5
4.8
1.6
3.3
2.6
2.8
48
47
46
45
44
43
42
41
IIC BUS
INTERFACE
SWITCH
RCH
SWITCH
LCH
OUTPUT
SELECT
SWITCH
RCH
GND
+
OUTPUT
SELECT
SWITCH
LCH
VCC2
DET
NORMAL
OUTPUT
SWITCH
INPUT SWITCH RCH
1
2
3
4
5
6
7
8
2.4
0
2.4
0
0
2.5
2.0
0
C4540
C4541
C4501
C4502
0.1
0.1
16V10
16V10
B29
B32
B38
5
6
7
R4522
C4524
C4523
510
0.047
10V33
A4
R4521
4700
R4524
R4523
C4522
C4521
30K
1K
16V10
6V22
0.3
5.0
0.1
1.7
0
2.5
(0.7)
2.5
40
39
38
37
36
35
34
33
PNR RCH
32
AGC &
REC AGC
31
SWITCH
DET
30
FM
MODULATOR/
29
DEMODULATOR
ENV.DET
28
OUT
LPF
27
BPF
REC
26
DC2
+
BPF
AGC
VCC
25
LPF
PREAMP
&
24
SWITCH
FM
MODULATOR/
GND
23
DEMODULATOR
22
21
20
AGC &
19
SWITCH
PNR
18
LCH
INPUT SWITCH LCH
17
9
10
11
12
13
14
15
16
0
0
2.0
0
0
0
2.5
C4503
16V10
C4504
0.047
R4518
4700
R4517
510
C4505
10V33
B2
B3
B39
B4
B5
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
R4520
120K
C4520
0.015
2.5
C4519
2.5
0.22
(1.1)
1.8
(4.2)
TW4502
R4519
D4502
820
1.8
MA165
(4.2)
D.FM REC
H
TL4503
0.1
(4.2)
ABS NORMAL
H
TW4511
2.5
(0)
A.HEAD SW
C4517
0
0.1
(2.1)
5.0
GND(A)
C4514
0.7
0.01
(2.1)
AUDIO HEAD L
C4511
0.7
0.01
(2.0)
AUDIO HEAD R
TW4501
0
(1.9)
AUDIO HEAD COM
C4509
0
0.033
(2.0)
B1
RFC VIDEO OUT
C4508
0.015
2.5
B6
AV1 PB 12V
C4507
16V22
2.5
C4506
0.3
16V10
B12
TUNER VIDEO
(0.7)
B13
OSD IIC DATA
B14
OSD IIC CLOCK
B15
VV C OUT
B17
Y/C C OUT
B18
OSD PULSE
B19
PROG
H
B20
Y/C Y OUT
B21
VIDEO/Y IN
B22
AV2/AV3 C IN
B23
OSD VIDEO OUT
B24
AV2 PB
H
C4515
B25
PROJECT 50
6V100
B26
S-VHS SW
L
B27
DNR SW
B28
IR
B30
SCT SW
B31
POWER SW
C4516
L
B33
AV3 S-VHS IN
0.1
B35
AUDIO IN (N)
B36
RFC AUDIO OUT
B37
AUDIO OUT (N)
B38
TUNER AUDIO (R)
B39
TUNER AUDIO (L)
L4501
1.2u
GND
GND (SYS)
GND (LVM)
GND (HA2)
NV-HS880EG/B/EC/EE
Hi-Fi AUDIO SECTION SCHEMATIC DIAGRAM
10
11
S
S
S
V
V
V
V
R
S
R
S
S
V
V
S
S
V
V
V
S
S
S
S
T
S
T
T
S
V
R
V
R
R
R
R
R
R
Advertisement
