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NV-VP32GN / NV-VP32EE
16.6. Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
P
:TO POWER SUPPLY/RF SECTION
T :TO TIMER SECTION
S
:TO SYSTEM CONTROL & SERVO SECTION
V
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
I :TO DVD INTERFACE SECTION
D :TO DECODER SECTION
G
TL4501
TL4502
S
FM MUTE
H
S
IIC CLOCK
A3
S
IIC DATA
A2
V
FSC
A1
P
N.SW 5V
QR4404
UNR511300L
F
(BUFFER)
TL4504
V
AUDIO OUT(R)
TL4503
E
V
AUDIO OUT(L)
L4501
1.2u
P
AUDIO 5V
P
REG 12V
P
GND
D
V
AUDIO IN(N)
V
AUDIO OUT(N)
C
P
RFC AUDIO OUT
P
TUNER AUDIO(N)
(EE)
I
MIX OUT(R)
B1
I
MIX OUT(L)
B2
B
D
TUNER AUDIO(R)
B3
V
AUDIO IN(R)
B4
V
FRONT AUDIO(R)
B5
D
TUNER AUDIO(L)
B6
V
AUDIO IN(L)
B7
V
FRONT AUDIO(L)
B8
V
AUDIO HEAD COM
B9
V
AUDIO HEAD R
B10
V
AUDIO HEAD L
B11
S
A.HEAD SW
B12
S
ABS NORMAL
B13
S
D.REC
H
B14
A
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR.(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)
1
2
AUDIO MAIN SIGNAL PATH IN REC MODE
A4
C4536
C4517
R4513
0.01
6V22
220
2.5
2.5
48
47
0.2
49
0.5
5.1
50
QR4401
5.1
0
SWITCH
UNR521600L
51
RCH
(FM MUTE
H
:ON)
5.8
0
SWITCH
TL4551
52
LCH
C4519
16V10
5.8
53
R4425
470
0
54
0
QR4406
-0.4
UNR521600L
(MUTE)
55
GND
R4424
470
0
TL4552
56
0
QR4405
-0.4
C4520
UNR521600L
16V10
5.8
(MUTE)
57
12.3
58
VCC2
C4538
C4525
C4527
0.01
16V22
16V10
6.0
59
DET
C4522
6V22
0.7
60
C4521
16V10
2.4
NORMAL
61
OUTPUT
SWITCH
C4524
C4601
R4601
16V10
39K
0.1
2.4
62
C4603
R4602
1500P
6800
63
R4651
680
64
0
QR4651
-0.4
UNR521600L
(MUTE)
IC4501
1
2
AN3656NFBPBV
0
C4303
50V0.22
B1
NOTE:CIRCUIT VOLTAGE AND WAVEFORM DESCRIBED HEREIN SHALL BE REGARDED AS REFERENCE INFORMATION
WHEN PROBING DEFECT POINT,BECAUSE IT MAY DIFFER
TO DIFFERENCE OF MEASURING INSTRUMENT AND ITS MEASURING CONDITION AND PRODUCT ITSELF.
3
4
5
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
A1
A2
A3
C4516
R4539
R4540
R4538
16V10
330
330
33K
4.7
2.0
3.2
4.2
4.3
5.1
0
1.7
46
45
44
43
42
41
40
39
38
37
IIC BUS
INTERFACE
AGC &
SWITCH
FM
MODULATOR/
DEMODULATOR
OUTPUT
SELECT
SWITCH
LPF
RCH
BPF
+
BPF
OUTPUT
LPF
SELECT
SWITCH
LCH
FM
MODULATOR/
DEMODULATOR
INPUT SWITCH RCH
INPUT SWITCH LCH
3
4
5
6
7
8
9
10
11
12
0
0
0
0
2.4
2.0
0
0
0
2.0
C4304
C4502
C4503
C4504
50V0.22
16V10
16V10
16V10
TL4506
B2
B3
B4
B5
FROM AN ACTUAL MEASURING VALUE DUE
6
7
72
A4
R4530
4700
R4585
C4581
C4515
510
0.047
6V33
R4525
C4514
C4513
1K
16V10
6V22
0.3
0
2.4
2.5
(0.7)
36
35
34
33
R4534
120K
C4535
0.015
2.5
PNR RCH
32
C4512
2.4
0.22
(1.0)
REC AGC
31
DET
L4502
C4537
1.7
390u
56P
(4.1)
30
TW4502
R4500
R4527
D4501
1K
1.8
680
MA165
(4.3)
29
TL4507
0.1
(4.1)
ENV.DET
28
OUT
TL4511
2.4
(0)
27
C4511
0
0.1
(2.0)
REC
26
DC2
+
AGC
5.1
VCC
25
C4510
0.7
PREAMP
0.01
(2.0)
&
24
SWITCH
C4530
150P
GND
23
C4531
150P
C4509
0.7
0.01
(2.0)
22
TW4501
0
(1.8)
21
C4508
0
0.033
(1.9)
20
C4534
0.015
2.5
AGC &
19
SWITCH
C4507
16V10
2.5
PNR
18
LCH
C4506
0.3
16V10
(0.7)
17
13
14
15
16
0
0
0
2.4
R4586
510
R4532
4700
C4582
0.047
C4505
6V33
TL4505
B6
B7
B8
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
10
B14
B13
B12
B11
B10
B9
NV-VP32GN/EE
Hi-Fi AUDIO SECTION
SCHEMATIC DIAGRAM
11
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