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8.6.
Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
R
:TO POWER SUPPLY/RF SECTION
:TO SYSTEM CONTROL & SERVO SECTION
S
V
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
D :TO DECODER SECTION
G
S
FM MUTE
H
S
IIC CLOCK
S
IIC DATA
V
FSC
R
SYSTEM CTL 5V
R
N.SW 5V
F
V
AUDIO OUT (R)
E
V
AUDIO OUT (L)
R
AUDIO 5V
R
AV 12V
R
GND
D
V
AUDIO IN (N)
V
AUDIO OUT (N)
C
R
RFC AUDIO OUT
R
TUNER AUDIO (N)
B
D
TUNER AUDIO (R)
V
AUDIO IN (R)
V
FRONT AUDIO (R)
D
TUNER AUDIO (L)
V
AUDIO IN (L)
V
FRONT AUDIO (L)
V
AUDIO HEAD COM
V
AUDIO HEAD R
V
AUDIO HEAD L
S
A.HEAD SW
S
ABS NORMAL
S
D.FM REC
H
A
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR.(SP MODE)
1
C4536
0.01
TL4501
TL4502
A3
A2
A1
R4513
2200
QR4504
UN2115
(BUFFER)
-0.4
-0.4
L4501
1.2µ
C4601
16V10
-0.4
(GC/GCS/GCSX)
C4591
1000P
(GC/GCS/GCSX)
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
2
AUDIO MAIN SIGNAL PATH IN REC MODE
A4
C4517
6V100
C4583
0.01
5.1
QR4501
0
UN2215
(FM MUTE
:ON)
H
0
R4541
470
0
QR4505
UN2215
(MUTE)
R4542
470
0
QR4506
UN2215
(MUTE)
C4538
C4525
0.01
16V47
R4601
39K
C4603
R4602
1500P
6800
R4651
680
0
QR4651
UN2215
(MUTE)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLA
WITH PAL COLOUR SIGNAL.(SP MODE)
3
4
AUDIO MAIN SIGNAL PATH IN PLAYB
2.5
2.5
4.7
48
47
46
0.2
49
0.5
50
5.1
SWITCH
51
RCH
5.8
SWITCH
52
LCH
C4519
16V10
5.8
53
0
54
55
GND
0
56
C4520
16V10
5.8
57
12.3
58
VCC2
C4527
16V10
6.0
59
DET
C4522
6V22
0.7
60
C4521
16V10
2.4
NORMAL
61
OUTPUT
SWITCH
C4524
0.1
2.4
62
63
64
IC4501
1
2
3
AN3656NFBPBV
0
0
0
5
A1
A2
A3
C4516
R4539
R454
16V10
330
330
2.0
3.2
4.2
4.3
45
44
43
42
IIC BUS
INTERFACE
OUTPUT
SELECT
SWITCH
RCH
+
OUTPUT
SELECT
SWITCH
LCH
INPUT
4
5
6
7
0
0
2.4
2.0
C4502
C450
16V10
16V1
6
38
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