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R
:TO POWER SUPPLY/RF SECTION
S
:TO SYSTEM CONTROL & SERVO SECTION
V
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
D :TO DECODER SECTION
G
TL4501
TL4502
S
FM MUTE
H
S
IIC CLOCK
A3
S
IIC DATA
A2
V
FSC
A1
R4513
2200
R
SYSTEM CTL 5V
R
N.SW 5V
F
V
AUDIO OUT (R)
E
V
AUDIO OUT (L)
L4501
1.2µ
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)
(GC/GCS/GCSX)
B
D
TUNER AUDIO (R)
B1
V
AUDIO IN (R)
B2
V
FRONT AUDIO (R)
B3
D
TUNER AUDIO (L)
B4
V
AUDIO IN (L)
B5
V
FRONT AUDIO (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
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.(SP MODE)
1
2
AUDIO MAIN SIGNAL PATH IN REC MODE
A4
C4536
C4517
0.01
6V100
C4583
0.2
0.01
49
0.5
5.1
50
QR4501
5.1
0
QR4504
UN2215
51
UN2115
(FM MUTE
(BUFFER)
:ON)
H
5.8
0
52
C4519
16V10
5.8
53
R4541
470
0
54
0
QR4505
-0.4
UN2215
(MUTE)
55
GND
R4542
470
0
56
0
QR4506
-0.4
C4520
UN2215
16V10
5.8
(MUTE)
57
12.3
58
VCC2
C4538
C4525
C4527
0.01
16V47
16V10
6.0
59
C4522
6V22
0.7
60
C4521
16V10
2.4
61
C4601
R4601
C4524
16V10
39K
0.1
2.4
62
C4603
R4602
1500P
6800
63
R4651
680
64
0
QR4651
-0.4
UN2215
(MUTE)
IC4501
AN3656NFBPBV
C4591
1000P
(GC/GCS/GCSX)
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
16V10
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
DET
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
C4502
C4503
16V10
16V10
B1
B2
5
6
A4
R4585
510
R4538
R4525
C4514
C4513
33K
1K
16V10
6V22
0.3
0
1.7
0
2.4
2.5
(0.7)
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
0
(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
0
(1.9)
20
2.5
AGC &
19
SWITCH
2.5
PNR
18
LCH
INPUT SWITCH LCH
0.3
(0.7)
17
10
11
12
13
14
15
16
0
2.0
0
0
0
2.4
C4504
16V10
R4586
510
R4532
4700
C4582
0.047
C4505
6V33
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
R4530
4700
C4581
C4515
0.047
6V33
R4534
120K
C4535
0.015
C4512
0.22
L4502
C4537
390µ
56P
TW4502
R4500
R4527
D4501
1K
680
MA165
B12
TL4507
B11
TL4511
B10
C4511
0.1
C4510
0.01
B9
C4530
150P
C4531
150P
C4509
0.01
B8
TW4501
B7
C4508
0.033
C4534
0.015
C4507
6V22
C4506
16V10
NV-HV61GL/GC/GCS/GCSX
Hi-Fi AUDIO SECTION SCHEMATIC DIAGRAM
10
11
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