A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC5501
AN3662FBP
HIFI AUDIO/H.AMP/DEM
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
7
8
9
S807X
S807Y
TP5502
HIFI_H.SW
L5501
100uH
L5504
100uH
L5505
100uH
TP5501
HIFI ENV
W896
W890
W802
C5534
33
16V
KA
C5536
10
16V
KA
C5538
10
16V
KA
C5548
10
16V
KA
C5547
10
16V
KA
C5523
4.7
50V
YK
R5504
6.8K
R5501
15K
R5502
3.9K
R5518
2.7K
R5519
3.3K
R5517
1K
R5513
47K
R5506
47K
R5520
100
R5521
100
R5510
33K
R5516
6.8K
R5508
6.8K
R5505
6.8K
R5511
6.8K
R5514
47K
R5507
47K
R5503
2.2M
C5515
0.022
B
C5513
0.1 B
C5508
0.1 B
C5507
0.1 B
C5506
0.1 B
C5530
0.1
B
C5522
24P
CH
C5549
0.01 B
C5542 0.1
B
C5521
0.22 B
C5540 0.015 B
C5541 0.22 B
C5519
1F
C5543 0.01
B
C5544 0.01
B
C5545 0.1
B
C5546 0.015 B
C5551
0.01 B
C5524
0.1
B
C5514
0.1 B
C5502
0.1
B
C5531
47
6.3V
KA
C5510
47
16V
KA
C5516
10
16V
KA
C5509
2.2
50V
KA
C5518_1
3.3
16V
TT
+-10%
C5552
10
16V
KA
C5512
10
16V
KA
C5550
47
6.3V
KA
C5528
1
50V
K
A
C5535
1
50V
K
A
C5525
10
16V
K
A
C5526
4.7
25V
K
A
C5527
10
16V
T
T
+-10%
C5529
1
50V
K
A
C5532
4.7
25V
K
A
C5533
1
50V
K
A
C5537
1
50V
K
A
C5539
33
6.3V
KA
C5501
47
6.3V
KA
L5503
82uH
L5506
100uH
D5501
1SS133
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DURING PLAYBACK
MEASURED WITH THE DIGITAL TESTER
NOTE:
THE DC VOLTAGE AT EACH PART WAS
RECORD LUMINANCE SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
FSC
SDA
SCL
P.CON+5V
P.CON+5V
TU.A.OUT_1
VCR_A_MUTE
FRONT_A_IN_R
FRONT_A_IN_L
REAR_A_IN_R
REAR_A_IN_L
H_AUDIO_OUT_R
H_AUDIO_OUT_L
V.REC_ST_H
H_AUDIO_OUT_R
HIFI_ENV
TU.A.OUT_1
HIFI_H.SW
ST_SELECT
H_AUDIO_OUT_L
HF1
FSC
P.CON+9V
HF2
HF_COM
Y/C_AUDIO
NORMAL_A
NORMAL_A
GND[HIFI]
Y/C_AUDIO
P.CON+5V
P.CON+9V
GND
V.REC_ST_H
HIFI_ENV
HIFI_H.SW
SCL
SDA
ST_SELECT
VCR_A_MUTE
FRONT_A_IN_R
FRONT_A_IN_L
REAR_A_IN_R
REAR_A_IN_L
I-13
FROM CHROMA/IF
FROM POWER
Y/C/AUDIO/H.AMP
FROM/TO
FROM/TO I/O
(SYSCON PCB)
NC
NC
NC
NC
NC
NC
FROM/TO MICON
NC
DEM_BLK
INPUT_SW(R)
INPUT_SW(L)
VREF1
LOGIC
MUTE VCO-F0
ADJ
LOGIC
ZZ-PROM
CTL
PNR RCH
SW NOISE
PC
LCH BPF
RCH BPF
PC
PB LPF
PB LPF
AUDIO
LIMIT
AUDIO
LIMIT
FM UM
SW NOISE
RCH
VCO
REC LPF
LCH VCO
MIX
REC LPF
DET
HPF
NOISE
DET
SW15
SW11
H
L
SW13
SW14
SW10
SW4
L
R
SW17
SW19
MUTE
R
L
L
L
SW18
NORMAL
MIX
HIFI
BS
BS
LINER
SW
HOLD
TIMING
S/N
S/N
REC
PB
SW12
SW9
SW21
HA1
HA2
AMP
CURR
FROM 1PIN
FROM 3PIN
R
R
SW16
MIX
HIFI
AGC
+
-
-
INPUT
VCA
STEREO
FILTER
MATRIX
RFC
DET
AMP
PILOT
DET
SL
PLL
L.R
DEMOD
SAP
DEMOD
LPF
(L.R)/SAP
SWITCH
L
MIX
R
SW22
SAP
75uS
DE-EMPH
MUTE
NOISE REDUCTION
DBX
USA
AN3662FBP
PNR LCH
SW2
AMP
0.1
2.6
NC
2.6
0.1
2.2
2.6
2.0
0.4
0
0.1
0
2.2
2.6
0
0.1
2.6
0.7
2.6
2.6
2.7
0
0.7
0
0
5.3
0
3.5
3.9
2.0
2.0
2.6
2.6
2.6
0.7
2.6
0
1.8
0
0
5.2
0
0.3
1.8
2.4
0
3.9
2.1
2.2
3.9
3.8
5.4
2.9
4.6
2.0
4.5
9.0
4.6
0.2
2.6
1.1
0.7
0.4
1.8
0
HIFI SCHEMATIC DIAGRAM
PCB010
VM9153