Panasonic NV-HS870EG, Руководство по обслуживанию

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8.6. Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
H L
22K
R4540
0
1.2
2.5 2.5 4.8 1.6 3.3 2.6 2.8 5.0 0.1 1.7 0 2.5 (0.7)
0.3
2.5
2.5
(1.1)
2.5
(4.2)
1.8
(4.2)
1.8
(4.2)
0.1
(0)
2.5
(2.1)
0
5.0
(2.1)
0.7
(2.0)
0.7
(1.9)
0
(2.0)
0
2.5
2.5
(0.7)
0.3
2.5 0 0 0 2.0 0 0 0 2.0 2.5 0 0 2.4 0 2.4
0
0
2.4
2.5
0.8
6.1
11.9
6.0
0
0
6.0
6.0
6.0
1.7
1.7
5.0 2.1 4.2
2.9 2.9
0
0 (-0.6)
-1.3
0
0
(-0.6)
-1.4
0
0
(-0.6)
-1.4
0 (-0.6)
-1.4
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
VIDEO MAIN SIGNAL PATH IN REC MODE
6V100
C4525
0.1
C4526
1.2u
L4502
B37
B36
B35
TO FRONT PS4801(B-1)
A1
16V10
C4529
A2
1K
R4526
A3
1K
R4525
30K
R4524
1K
R4523
A4
10V33
C4523
0.047
C4524
510
R4522
4700
R4521
16V10
C4522
6V22
C4521
60Hz PB S
D.FM REC S
MA165
D4502
22K
R4527
TW4502
:ON)
(60Hz PB
UN2211
QR4508
18P
C4510
100P
C4518
180u
L4504
0.22
C4519
0.015
C4520
120K
R4520
820
R4519
TL4503
TW4511
S ABS NORMAL
A.HEAD SW S
0.1
C4517
V GND (A)
AUDIO HEAD L V
0.01
C4514
V AUDIO HEAD R
AUDIO HEAD COM V
R GND (HA2)
R GND (LVM)
R GND (SYS)
R GND
B39
B38
B37
B36
B35
R TUNER AUDIO (L)
R TUNER AUDIO (R)
V AUDIO OUT (N)
R RFC AUDIO OUT
V AUDIO IN (N)
B31 T POWER SW
B30 T EJECT SW
B28
B27
B26
B25
B24
B23
B22
B21
B20
B19
B18
B17
B16
B15
B14
B13
B12
B11
B9
B8
B7
B6
B1
S
T
S
S
S
S
V
V
V
S
V
V
V
V
S
S
R
S
DNR LED
DNR SW
S-VHS SW
PROJECT 50
AV2 PB
OSD VIDEO OUT
AV2/AV3 C IN
VIDEO/Y IN
Y/C Y OUT
PROG
EE
Y/C C OUT
VV Y OUT
VV C OUT
OSD IIC CLOCK
OSD IIC DATA
TUNER VIDEO
SLEEP
5P DATA S
5P CLOCK S
LANC S
AV1 PB 12V S
RFC VIDEO OUT R
0.01
C4511
TW4501
0.033
C4509
0.015
C4508
16V22
C4507
16V10
C4506
1.2u
L4501
0.1
C4516
6V100
C4515
10V33
C4505
510
R4517
0.047
C4504
4700
R4518
B5 B4
R4515 56K
R4512 4700
R4513 56K
R4511 4700
B39
R4503 22K R4510 10K
16V10
C4503
R4516 56K
R4509 4700
B3 B2
R4514 56K
R4508 4700
B38
R4504 22K R4507 10K
16V10
C4502
16V10
C4501
B32
R4501 56K
R4506 4700
0.1
C4541
R4502 56K
R4505 4700
B29
0.1
C4540
AN3656NFBPBV
IC4501
33u
L3991
B10
1
C3993
1
C3994
4700
R3991
GND
VCC
6 5 4
3 2 1
C1AB00001340
IC3901
16V10
C3992
16V10
C3991
(BUFFER)
UN2113
QR4502
(MUTE)
UN2216
QR4507
3600
R3539
0.1
C4538
16V10
C4537
16V22
C4536
16V10
C4535
220
R4543
10K
R4537
16V47
C4534
0.1
C4539
0
L4503
TW3901
PS 12V R
N.SW 5V R
PS 5V R
AV3 S-VHS IN S
RFC MUTE S
S AC LCH
AC RCH S
B32
B31
B30
B29
B28
B27
AV3 S-VHS IN
AV3 Y IN
GND (AV)
AV3 C IN
AV3 A IN (L)
GND (FIP)
AV3 VIDEO IN
GND (AV)
POWER SW
EJECT SW
GND (AV)
AV3 A IN (R)
DNR LED
DNR SW
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PP3906
B26
B25
B24
B23
B22
B21
B20
PS3905(E-1) TO INPUT/OUTPUT PACK
S-VHS SW
PROJECT 50
AV2 PB
OSD VIDEO OUT
GND (AV)
GND (AV)
GND (AV)
N.SW 5V
GND (AV)
AV2/AV3 C IN
GND (AV)
VIDEO/Y IN
GND (AV)
Y/C Y OUT
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PP3905
B19
B18
B17
B16
B15
B14
B13
B12
B11
B10
PROG
EE
Y/C C OUT
PS 5V
VV Y OUT
GND (AV)
VV C OUT
GND (AV)
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
OSD IIC CLOCK
OSD IIC DATA
GND (AV)
TUNER VIDEO IN
SLEEP
AV3 VIDEO IN
PS 12V
AV3 C IN
PS3904(C-1) TO INPUT/OUTPUT PACK
PP3904
PS3903(B-1) TO INPUT/OUTPUT PACK
B9
B8
B7
6
5
4
3
2
1
GND (SYS)
5P DATA
5P CLOCK
GND (SYS)
PS 5V
LANC
PP3903
220
R4538
100K
R4536
100P
C4545
16V10
C4533
5
4
(MUTE)
3
XN0121600L
QR4504
1
2
B6
B5
B4
B3
B2
B1
PS3902(F-1) TO INPUT/OUTPUT PACK
14
13
12
11
10
9
8
7
6
5
4
3
2
1
AV1 PB 12V
AV2 A OUT (L)
AV2 A OUT (R)
GND (AV)
AV1 A OUT (R)
AV1 A OUT (L)
GND (AV)
AV2 A IN (L)
AV1 A IN (L)
GND (AV)
AV2 A IN (R)
AV1 A IN (R)
GND (AV)
RFC VIDEO OUT
PP3902
PS3901(A-1) TO INPUT/OUTPUT PACK
GND (AV)
GND (AV)
GND (AV)
PP3901
3
2
1
100K
R4534
100P
C4544
220
R4535
16V10
C4532
100K
R4532
220
R4531
16V10
C4531
16V10
C4530
(MUTE)
XN0121600L
QR4503
5
4
3
1
2
220
R4533
100K
R4530
(BUFFER)
UN2113
QR4501
A4
A1
A2
A3
MUTE
FSC
MAIN IIC DATA
MAIN IIC CLOCK
S
V
S
S
11
ORDER A PART,PLEASE REFER TO PARTS LIST.
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
INTERFACE
IIC BUS
FO VCO-
VCC
GND(R)
ADJ. REC AGC
CONTROL MUTE
SWITCH
AGC &
DEMODULATOR
MODULATOR/
FM
LPF
BPF
BPF
PNR RCH
DET
REC AGC
OUT
ENV.DET
DC2
REC
VCC
SWITCH
&
PREAMP
GND
+
AGC
LCH
PNR
LPF
DEMODULATOR
MODULATOR/
FM
SWITCH
AGC &
(L) GND
INPUT SWITCH LCH INPUT SWITCH RCH
VREF
LCH
SWITCH
SELECT
OUTPUT
SWITCH
OUTPUT
NORMAL
DET
+
RCH
SWITCH
SELECT
OUTPUT
LCH
SWITCH
RCH
SWITCH
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
GND
VCC2
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
WITH PAL COLOUR SIGNAL.(SP MODE)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
10
G
F
:TO TIMER SECTION
9 8
:TO POWER SUPPLY/RF SECTION
WITH PAL COLOUR SIGNAL.(SP MODE)
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
E
D
C
B
A
7 6 5 4 3 2 1
:TO SYSTEM CONTROL & SERVO SECTION
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
R
S
V
T
H
H
H
H
H
L
L
H
L
L
H
H
H
H
H
H
H
H
NV-HS870EG/B/EC
Hi-Fi AUDIO SECTION IN
MAIN SCHEMATIC DIAGRAM
44