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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
F
QR4404
UNR511300L
(BUFFER)
TL4504
V
AUDIO OUT (R)
E
TL4503
V
AUDIO OUT (L)
L4501
1.2u
P
AUDIO 5V
P
AV 12V
P
GND
D
V
AUDIO IN (N)
V
AUDIO OUT (N)
C
P
RFC AUDIO OUT
P
TUNER AUDIO (N)
(GC/GCS)
B
I
MIX OUT (R)
B1
I
MIX OUT (L)
B2
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)
1
2
AUDIO MAIN SIGNAL PATH IN REC MODE
A4
C4536
C4517
R4513
0.01
6V22
2200
0.2
49
0.5
50
5.1
QR4401
5.8
0
UNR521600L
51
(FM MUTE
H
:ON)
5.8
0
52
C4519
35V10
5.8
53
R4425
470
0
54
0
QR4406
-0.4
UNR521600L
(MUTE)
55
GND
R4424
470
0
56
0
QR4405
-0.4
C4520
UNR521600L
35V10
5.8
(MUTE)
57
12.3
58
VCC2
C4538
C4525
C4527
0.01
16V22
35V10
6.0
59
DET
C4522
6V22
0.7
60
C4521
35V10
2.4
61
C4601
R4601
C4524
35V10
39K
0.1
2.4
62
C4603
R4602
1500P
6800
63
R4651
680
64
0
QR4651
-0.4
UNR521600L
(MUTE)
IC4501
AN3656NFBPBV
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
C4516
R4539
R4540
35V10
330
330
2.5
2.5
4.7
2.0
3.2
4.2
4.3
5.1
48
47
46
45
44
43
42
41
40
IIC BUS
INTERFACE
SWITCH
RCH
SWITCH
LCH
OUTPUT
SELECT
SWITCH
RCH
+
OUTPUT
SELECT
SWITCH
LCH
NORMAL
OUTPUT
SWITCH
INPUT SWITCH RCH
1
2
3
4
5
6
7
8
9
0
0
0
0
0
2.4
2.0
0
0
C4303
C4304
C4502
C4503
50V0.22
50V0.22
35V10
35V10
TL4506
B1
B2
B3
B4
5
6
7
A4
R4530
4700
R4585
510
R4538
R4525
C4514
C4513
33K
1K
35V10
6V22
0.3
0
1.7
0
2.4
(0.7)
2.5
39
38
37
36
35
34
33
2.5
PNR RCH
32
2.4
(1.0)
AGC &
REC AGC
31
SWITCH
DET
1.7
(4.1)
30
1.8
FM
(4.3)
MODULATOR/
29
DEMODULATOR
0.1
(4.1)
ENV.DET
28
OUT
LPF
2.4
(0)
27
BPF
C4511
0
0.1
(2.0)
REC
26
DC2
BPF
+
AGC
5.1
VCC
25
0.7
LPF
PREAMP
(2.0)
&
24
SWITCH
FM
MODULATOR/
GND
23
DEMODULATOR
0.7
(2.0)
22
0
(1.8)
21
C4508
0
0.033
(1.9)
20
C4534
0.015
2.5
AGC &
19
SWITCH
C4507
6V22
2.5
PNR
18
LCH
INPUT SWITCH LCH
C4506
0.3
35V10
(0.7)
17
10
11
12
13
14
15
16
0
2.0
0
0
0
2.4
C4504
35V10
R4586
510
R4532
4700
C4582
0.047
C4505
6V33
TL4505
B5
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
C4581
C4515
0.047
6V33
R4534
120K
C4535
0.015
C4512
0.22
L4502
C4537
390u
56P
TW4502
R4500
R4527
D4501
1K
680
MA165
B14
TL4507
B13
TL4511
B12
C4510
0.01
B11
C4530
150P
C4531
150P
C4509
0.01
B10
TW4501
B9
NV-VP31GL/GC/GCS
Hi-Fi AUDIO SECTION
SCHEMATIC DIAGRAM
10
11
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