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R
:TO POWER SUPPLY/RF SECTION
S
:TO SYSTEM CONTROL & SERVO SECTION
V
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
I
:TO INPUT/OUTPUT SECTION
D
:TO DECODER SECTION
G
S
MUTE
H
S
SYS IIC CLOCK
A3
S
SYS IIC DATA
A2
V
FSC
A1
F
I
AV2 A OUT (R)
I
AV2 A OUT (L)
I
AV1 A OUT (R)
E
I
AV1 A OUT (L)
R
PS 5V
R
PS 12V
R
GND
D
V
AUDIO IN (N)
V
AUDIO OUT (N)
C
R
RFC AUDIO OUT
S
RFC MUTE
H
B
D
TUNER AUDIO (R)
B1
I
AV1 A IN (R)
B2
I
AV2 A IN (R)
B3
D
TUNER AUDIO (L)
B4
I
AV1 A IN (L)
B5
I
AV2 A IN (L)
B6
V
AUDIO HEAD COM
B7
V
AUDIO HEAD R
B8
V
AUDIO HEAD L
B9
S
A.HEAD SW
B10
S
ABS NORMAL
H
B11
S
D.FM REC
H
B12
A
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
AUDIO MAIN SIGNAL PATH IN REC MODE
A4
L4502
1.2u
C4525
C6526
6V100
0.1
QR4501
UN2113
(BUFFER)
0
-0.3
2.5
QR4503
48
XN0121600L
(MUTE)
0
2
-0.3
3
0.2
49
4
5
0.5
-0.3
50
1
0
R4533
C4530
220
16V10
6.0
51
R4531
C4531
220
16V10
6.0
52
R4535
C4532
220
16V10
6.0
53
QR4504
XN0121600L
(MUTE)
0
C4544
54
100P
0
2
-0.3
3
55
GND
4
5
0
-0.3
C4545
56
100P
1
0
R4538
C4533
220
16V10
6.0
57
L4503
10u
12.3
58
VCC2
C4539
C4534
R4543
C4535
0.1
16V47
220
16V10
6.0
59
R4537
DET
C4536
10K
16V22
0.7
60
2.4
61
R4540
C4538
22K
0.1
2.4
62
R4539
3600
0
63
0
QR4502
64
0
UN2113
QR4507
(BUFFER)
0
-0.4
UN2216
(MUTE)
IC4501
1
AN3656NFBPBV
2.3
C4540
0.1
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 PLAYBACK MODE
A1
A2
A3
C4529
R4526
R4525
16V10
1K
1K
2.5
4.7
1.5
3.2
2.8
2.9
4.9
47
46
45
44
43
42
41
40
39
IIC BUS
INTERFACE
SWITCH
RCH
SWITCH
LCH
OUTPUT
SELECT
SWITCH
RCH
+
OUTPUT
SELECT
SWITCH
LCH
NORMAL
OUTPUT
SWITCH
INPUT SWITCH RCH
2
3
4
5
6
7
8
9
10
0
2.3
0
0
2.4
2.0
0
0
C4541
C4501
C4502
0.1
16V10
16V10
B1
B2
B3
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
5
6
7
A4
R4521
4700
R4522
510
R4524
R4523
C4522
C4521
30K
1K
16V10
6V22
0
1.7
0
2.4
0.6
2.5
38
37
36
35
34
33
2.5
PNR RCH
32
1.7
(1.0)
AGC &
REC AGC
31
SWITCH
DET
1.7
(4.1)
30
1.8
FM
(4.3)
MODULATOR/
29
DEMODULATOR
4.2
ENV.DET
28
OUT
LPF
2.4
(0)
27
BPF
C4517
0
0.1
(2.0)
REC
26
DC2
+
BPF
AGC
4.9
VCC
25
0.7
LPF
PREAMP
(2.0)
&
24
SWITCH
FM
MODULATOR/
GND
23
DEMODULATOR
0.7
(2.0)
22
0
(1.8)
21
C4509
0
0.033
(1.9)
20
C4508
0.015
2.5
AGC &
19
SWITCH
C4507
16V22
2.5
PNR
18
LCH
INPUT SWITCH LCH
C4506
0.5
16V10
17
11
12
13
14
15
16
0
2.0
0
0
0
2.4
C4503
16V10
C4504
0.047
R4518
4700
R4517
510
C4505
10V33
B4
B5
B6
NV-HV65EC,HV60EB/EBL/EC/EP,HV55EC,HV50EC
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
Hi-Fi AUDIO SECTION SCHEMATIC DIAGRAM
ORDER A PART,PLEASE REFER TO PARTS LIST.
8
9
C4524
C4523
0.047
10V33
R4520
120K
C4520
0.015
C4519
0.22
R4519
R4527
820
22K
TW4502
D4502
MA165
B12
TL4503
B11
TW4511
B10
C4514
0.01
B9
C4511
0.01
B8
TW4501
B7
C4515
6V100
C4516
0.1
L4501
1.2u
10
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