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SLV-LX80S
MA-397 (Y/C, AUDIO PROCESS) SCHEMATIC DIAGRAM
• See page 4-5 for printed wiring board.
• See page 4-21 for waveforms.
1
2
3
MA-397 BOARD(2/7)
•REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
A
Y/C,AUDIO PROCESSOR(VA BLOCK)
AN_GND
B+
5
SW_5V
AU_GND
MA-397(7/7)
B+
(SEE PAGE 4-19)
SW_12V
R1.7/
P5
R382
1
R1.8
P5
B
C382
0.01u
C383
47u
16V
C384
XX
16
C
JS303
JS302
0.60mm
0.60mm
C370
XX
D
FULL ERASE
HEAD
CN351
3P
GND (AU)
3
2
FE HEAD
1
E
ACE HEAD
IC350
CN350
7P
JL323
HEAD SWITCH
AERASE HEAD
7
GND (AU)
6
C363
JL322
4.7u
A HEAD REC
5
50V
JL321
A HEAD PB
4
GND (AU)
3
CTL_Y
CTL (Y)
2
F
CTL (X)
1
VS1
A MUTE
JL213
VS2
Q VD
G
D2
JL214
HS4
I2C CLK(VIDEO)
JL215
D4
6
HS3
I2C DATA(VIDEO)
D5
VS6
RF SW P
MA-397(3/7)
(SEE PAGE 4-11)
C ROT
VS8
VS11
ARC CLK
VS12
ARC DATA
VS13
VIDEO OUT
VS15
OSD V OUT
H
CTL_X
CTL_X
B+
CTL_Y
C570
0.01u
B
C571
R575
4700
10V
20
19
I
IC570
ARC
1
2
J
JL570
C572
4.7u
50V
B+
L570
100uH
Y/C, AUDIO PROCESS
MA-397 (2/7)
4
5
6
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
Q380
2SD1620-TD
BIAS OSC
R4.7/P5
C381
0.01u
L350
B+
XX
R381
L380
3900
R380
100uH
JS301
B+
47
0.60mm
R354
2.2M
JL320
C579
XX
C356
33u
25V
R372
C357
C371
560
560p
4.7u
50V
80
T380
BIAS OSCILLATOR
TRANSFORMER
R357
8200
Vref
R383
C380
180
0.047u
0
PET
MUTE
C358
R358
1u
1800
2.3
REC
AMP
R359
50V
LINE
4700
A-GND
AMP
2.4
JL307
B+
R362
1200
2.4
C359
R0.6
R363
0.001u
/P5
18k
R370
12k
C360
R1.6
REC-EP.LP
2700p
/P5
PB-EP
AUTO
C361
BIAS
XX
R0.8/P0
R1.6
2.4
/P5
C364
C365
1
2
3
4
0.01u
10u
16V
2.4
REC
B
EQ
AMP
C362
R364
R366
2.3
47u
R365
270
8200
330k
16V
C368
C366
R3.1
0.01u
R367
1u
PB-LP.SP
P2.3
B
5600
8
7
6
5
R369
50V
2.3
820
0
JL305
R371
A MUTE
18k
R4.1/P0
REC-H
C2
0.8
12
C.ROT
R3.3/
P0.2
HASW
0.8
RF SWP
4.2
TRICK-H
C1
R1.6
ACC
P2.0
DET
C201
FILT
0.047u
B
IC201
LA71053M-MPB
1
15
C202
0.01u
B
L207
220uH
C253
39p
R231
47k
R224
R223
47k
680
D7
D8
R574
1k
C578
C577
C574
0.01u
R573
0.01u
10u
1u
B
8200
B
16V
18
17
16
15
14
13
12
11
3
4
5
6
7
8
9
10
R570
R572
10k
470
R571
JL220
470
JL222
C573
JL219
0.33u
16V
C575
C576
JL218
D7
JS571
100u
JS570
0.01u
XX
B
10V
JL217
D8
4-9
7
8
9
SW_12V
C352
C244
0.1u
C241
1u
0.01u
B
B
C249
14
C247
1u
C245
C354
0.022u
B
1u
10u
C351
R351
B
47u
5600
B
16V
25V
C246
R216
R350
0.01u
C250
1800
R215
68k
0.047u
8200
B
1/10W
R214
C242
0.01u
1500
C350
B
1u
50V
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
ALC
A-Vcc
N.C
N.C
N.C
N.C
DET
VXO2
L2
L1
KIL
INV
TU
DET
VXO1
AMP
VCO
SLD
D.L
EQ
REC
REC
REC
APC
APC
APC
ALC
R
TH
P
LPF
RA
B
Vref
PB
P
REC
BPF1
BGA-B
PB
P
ACC
P
BGA-A
YNR
AMP
R
REC
R
P
BGA
P
R
R
BPF2
LPF
P
P
R
Sub
Sub
Main
B-UP
ACC
COVN
BPF
CONV
AMP
AMP
R
1/2
P
R
P
R
FBC
C-LPF
P
R
KIL
KIL
P
R
B.D.
Y/C
REC
FM
Main
N.L
DETAIL
MIX
MOD
EMPH
EMPH
ENH
EQ
PIC
CONT
SQPB
FM
S
AGC
EQ
DOUBLE
SUB
DEMOD
LIM
LPF
DHP
N
NC
PB
7
EQ
8
9
SERIAL
CLAMP
DECODER
BAL
FMAGC
EQ
N.L
SYNC
M-Em
TC1
DET
Y-Vcc
CTL
FILT
FIL
Y GND
DET
PB-H
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
C209
R207
47u
JL203
XX
C204
16V
1u
C207
R221
R220
2.0
39p
C211
B
C210
33p
0
0
0.1u
B
C251
C213
0.1u
C212
390p
B
XX
R201
330
C206
R206
R208
0.1u
XX
0
R203
B
330
R204
8200
AN_GND
Q201
C217
R211
2SC2712Y-TE85L
R210
0.022u
4700
1500
B
BUFFER
C216
C215
1u
R212
10p
50V
C214
560
180p
R2.4/
P2.1
L203
Q202
10uH
2SC2712Y-TE85L
BUFFER
5.0
R1.8/P1.4
10
11
12
B+
AU_GND
C254
1u
E1
L206
L205
B
100uH
100uH
2.3
Q204
2SD601A-QRS-TX
C239
BUFFER
C240
0.01u B
R225
47u
5.0
C238
680
16V
47u
16V
1.6
C255
C203
0.1u
B
XX
B+
58
57
56
55
54
53
52
51
4Fsc
C237
0.01u
B
1H/2H
0.8
D.L
CLK IN
2.0
IC201
C236
0.01u
B
9.0
C235
Y/C PROCESSOR
0.1u B
1.4
AUDIO PROCESSOR
LA71053
2.2
1H
D.L
1.4
B+
4.9
60/50
C234
1u
N.C
B
2.1
1.9
Q203
2SA1162Y-TE85L
C233
3.1
10u
16V
BUFFER
VCA
3.0
CLAMP
R213
C232
L204
3.0
1k
100uH
1u
B
13
SW-Vcc
C230
R3.2/
0.1u F
P1.3
CLAMP
C229
0.1u B
4.1
C231
REG
C227
47u
16V
R2.1/
C228
0.1u
R
P0
47u
16V
P
B
CLAMP
C226
0.1u B
2.0
FBC
R1.7/
C225
P0
1u
50V
JL207
E1
CLAMP
Chara
CLAMP
C224
INS.
0.1u B
1.5
AGC
TC2
C223
1
2 3
22u
16V
6dB
SW GND
P
R
AMP
R2.2/P0.3
N.L
De-EM
3.0
SYNC
VIDEO
SEP
AGC
C222
10
10u
11
16V
E5
AFC
E7
FILT
23
24
25
26
27
28
29
30
C218
XX
R222
R219
XX
100
C220
C221
0.01u
1u
C219
B
B
XX
E8
R209
5600
C252
0.01u
VIDEO SIGNAL
CHROMA
Y
Y/CHROMA
REC
PB
4-10
13
14
B+
L2_V
L2_VIDEO
7
AN_GND
AN_GND
HM4
L2(L)
MA-397(6/7)
(SEE PAGE 4-17)
AU_GND
AU_GND
L2(R)
HM5
L561
100uH
R563
R562
180
150
1/4W
1/4W
3.3
R564
68
R561
330
C563
470u
2.6
10V
CNJ561
C561
C562
0.01u
47u
25V
B
JL560
VIDEO
R565
JL561
D563
75
XX
JS572
0.60mm
L
AUDIO
D562
XX
R
C564
D561
XX
RD8.2ES-T1B
OUT
IN
VS15
RF VIDEO
8
VT2
TU VIDEO IN
JL368
HT3
MA-397(5/7)
RF AUDIO
(SEE PAGE 4-15)
HV1
NORMAL_OUT
HV2
NORMAL_IN
HV3
AUDIO_R_OUT
HV4
AUDIO_L_OUT
9
HV5
L1_AUDIO_R
HV6
L1_AUDIO_L
MA-397(4/7)
(SEE PAGE 4-13)
HM5
L2_AUDIO_R
HM4
L2_AUDIO_L
HT3
RF_AUDIO_OUT
FSC_FOR_ADJ
VS1
AUDIO_MUTE
C3
VA1
REC CURR ADJ
C2
VA2
REC H
C6
1
VA3
REC C
C4
VA4
REC Y RF
MA-397(1/7)
C5
(SEE PAGE 4-7)
VA5
PB RF
VS3
COMP SYNC
C1
VA7
TRICK-H
AUDIO
SIGNAL
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