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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
T
:TO TIMER SECTION
G
S
D.FM REC
H
A6
S
PB 60Hz
H
A5
S
MUTE
H
A4
S
SYS IIC CLOCK
A3
S
SYS IIC DATA
A2
V
FSC
A1
(C/D)
I
AUDIO OUT2 (R)
F
I
AUDIO OUT2 (L)
I
AUDIO OUT1 (R)
E
I
AUDIO OUT1 (L)
T
P.FAIL MUTE
R
PS 12V
R
PS 5V
R
GND
D
V
AUDIO IN (N)
V
AUDIO OUT (N)
C
R
RFC AUDIO OUT
S
AUDIO MUTE
H
B
R
TUNER AUDIO (R)
B1
I
AUDIO IN1 (R)
B2
I
AUDIO IN2 (R)
B3
R
TUNER AUDIO (L)
B4
I
AUDIO IN1 (L)
B5
I
AUDIO IN2 (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
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
L4503
1.2u
C4524
C4525
0.01
6V100
0.2
49
R4529
220
0.5
50
0
R4530
QR4503
C4529
-0.4
100K
UN2216
16V10
5.8
(MUTE)
51
R4531
C4530
220
16V10
5.8
52
0
R4532
QR4504
C4531
-0.4
100K
UN2216
16V10
5.8
(MUTE)
53
R4536
220
0
54
0
R4533
QR4502
-0.4
100K
UN2216
(MUTE)
55
GND
R4535
220
0
56
0
R4534
QR4501
C4532
-0.4
100K
UN2216
16V10
5.8
(MUTE)
57
L4501
0
12.3
58
VCC2
C4537
C4538
R4528
C4533
0.01
16V47
390
16V10
6.0
59
C4534
10V22
0.7
60
C4535
16V10
2.4
61
C4536
0.1
2.4
62
R4527
4700
63
QR4505
64
0
UN2113
QR4506
(BUFFER)
0
-0.4
UN2216
(MUTE)
IC4501
AN3656NFBP
3
4
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
A1
A2
A3
R4537
C4528
R4524
R4525
0
16V10
1K
1K
2.5
2.5
4.7
2.0
3.2
4.2
4.3
48
47
46
45
44
43
42
41
40
IIC BUS
INTERFACE
SWITCH
RCH
SWITCH
LCH
OUTPUT
SELECT
SWITCH
RCH
+
OUTPUT
SELECT
SWITCH
LCH
DET
NORMAL
OUTPUT
SWITCH
INPUT SWITCH RCH
1
2
3
4
5
6
7
8
9
2.3
0
2.3
0
0
2.4
2.0
0
C4540
C4541
C4501
C4502
0.1
0.1
16V10
16V10
(C/D)
B1
B2
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
5
6
A4
R4522
R4538
C4521
C4520
30K
1K
16V10
16V22
0.3
4.9
0
1.7
0
2.4
2.5
(0.7)
39
38
37
36
35
34
33
PNR RCH
32
AGC &
REC AGC
31
SWITCH
DET
30
FM
MODULATOR/
29
DEMODULATOR
ENV.DET
28
OUT
LPF
27
BPF
REC
26
DC2
BPF
+
AGC
VCC
25
LPF
PREAMP
&
24
SWITCH
FM
MODULATOR/
GND
23
DEMODULATOR
22
21
20
AGC &
19
SWITCH
PNR
18
LCH
INPUT SWITCH LCH
17
10
11
12
13
14
15
16
0
0
2.0
0
0
0
2.4
C4503
16V10
R4516
510
R4515
4700
C4504
0.047
C4505
10V33
(C/D)
(C/D)
B3
B4
B5
B6
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
ORDER A PART,PLEASE REFER TO PARTS LIST.
7
8
9
A5
A6
R4523
4700
R4521
C4522
C4523
510
0.047
10V33
R4520
L4504
120K
180u
C4517
C4539
C4519
100P
18P
0.015
2.5
0
(0.2)
QR4507
C4518
0
2.4
0.22
UN2211
(1.0)
(PB 60Hz
H
:ON)
1.7
(4.1)
TW4502
R4519
D4502
820
1.8
MA165
(4.3)
TL4503
R4506
22K
0.1
(4.1)
B11
2.4
(0)
B10
C4516
0
0.1
(2.0)
4.9
C4513
0.7
0.01
(2.0)
B9
C4512
150P
C4511
C4510
150P
0.7
0.01
(2.0)
B8
TW4501
0
(1.8)
B7
C4509
0
0.033
(1.9)
C4508
0.015
2.5
C4507
16V22
2.5
C4506
0.3
16V10
(0.7)
C4515
6V100
C4514
0.01
L4502
1.2u
10
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