DOWNLOAD Sony SLV-LX80S Service Manual ↓ Size: 6.75 MB | Pages: 70 in PDF or view online for FREE

Model
SLV-LX80S
Pages
70
Size
6.75 MB
Type
PDF
Document
Service Manual
Brand
Device
VCR
File
slv-lx80s.pdf
Date
PREV: Sony SLV-SE850B / SLV-SE850D / SLV-SE850E / SLV-SE850G / SLV-SF900B / SLV-SF900D / SLV-SF900E / SLV-SF900G / SLV-SF950N / SLV-SF990B / SLV-SF990D / SLV-SF990E / SLV-SF990G Service Manual

Sony SLV-LX80S Service Manual ▷ View online

SLV-LX80S
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
4-7
4-8
REC/PB HEAD AMP
MA-397 (1/7)
MA-397 (REC/PB HEAD AMP) SCHEMATIC DIAGRAM
– Ref. No: MA-397 Board; 1000 series –
•  See page 4-21 for waveforms
MA-397 BOARD(1/7)
REC/PB HEAD AMP(RP BLOCK)
•REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R  :REC MODE
P  :PB MODE
VIDEO, AUDIO,
SERVO/SYSTEM CONTROL,
TUNER, POWER SUPPLY
FJ-28 (LINE 2 IN)
DI-81 (DIAL TIMER)
DM-98 (USER CONTROL) 
MA-397 
(
)
JL263
0.1u
B
C272
JL279
AN_GND
JL284
JL277
XX
C268
JL287
0.01u
B
C271
IC260
LA70011
123456789
1
0
1
1
1
2
13
14
15
16
17
18
19
20
21
22
23
24
10V
100u
C280
0
R267
22k
R279
RS2
0.022u
C278
B
JL273
VS3
22k
R277
AU2
AU3
JL260
100uH
L270
JL269
JL271
470
R271
JL270
JL286
VS7
0.01u
B
C282
VA4
0.1u
B
C276
0.1u B
C279
AU_PB_RF
VS6
AU1
0.60mm
R273
JL267
0.1u
B
C267
JL262
VA5
SW_5V
JL282
470
R270
JL261
0.22u B
C284
JL266
JL278
6800
R276
22k
R278
3900
R274
JL265
JL281
4P
CN270
HF ADJ
1
PB RF
2
RF SWP
3
AN_GND
4
0.01u
B
C281
JL280
JL272
}
0.5%
1800
R272
AN_GND
JL268
VA7
VA1
VA2
RS1
JL264
0.01u
C285
VA3
0.01u B
C275
100p
CH
C286
JL274
0.01u
B
C283
11P
CN260
1
AUDIO CH2 L
2
AUDIO REC
3
AUDIO CH1 H
4
FE
5
AN_GND
6
SP CH1 F
7
SP CH2 S
8
SP CH2 F
9
EP CH1 F
10
EP CH2 S
11
EP CH2 F
AN_GND
1
3
4
2
EP CH2
AUDIO CH1
7
SP CH1
AUDIO CH2
9
10
EP CH1
5
11
SP CH2
6
8
REC CURR ADJ
REC H
REC C
REC Y RF
PB RF
COMP SYNC
TRICK H
RF ENV
RF SWP
HA SWP
ENV SW
AUDIO CH2
AUDIO REC
AUDIO CH1
AMP
H.SYNC
AMP
DET
H
AT
T
VCC
SW30
AMP
PB OFF
BIAS
SP
ALL 5V
CONT
SP OFF
10k
PB ON
COMP
AMP
REC
AGC
EP OFF
CURRENT
AGC
VCC
CURRENT
1k
ENVELOPE
VCC
L
HA
TO HA 
REC OFF
SW30
H.SYNC
AMP
AMP
EP
HA
VCC
EP OFF
PB OFF
DET
SP OFF
REC
10k
BIAS
IC260
  VIDEO
REC/PB AMP
4.9
R4.2/
P4.9
R1.4/
P0
R3.9/
P2.0
R3.8/
P2.0
R2.5
/P0
R3.9/
P2.0
R1.6/
P2.0
R1.6/
P2.0
R2.5
/P0
R1.6/
P2.0
R2.0/P4.2
R0.2/P0.5
0
1.8
0.3
R0/P2.6
R0/P1.6
R3.4/
P0
R3.4/
P0.4
R4.1
/P0
R3.2/
P2.5
  MA-397(2/7)
(SEE PAGE 4-10)
  MA-397(3/7)
(SEE PAGE 4-11)
  MA-397(7/7)
(SEE PAGE 4-19)
  MA-397(4/7)
(SEE PAGE 4-13)
1
2
3
4
2
1
5
3
4
6
REC
PB
VIDEO SIGNAL
CHROMA
Y/CHROMA
Y
AUDIO
SIGNAL
SIGNAL PATH
CHECK
B+
B+
B+
SLV-LX80S
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
JL211
18k
R371
18k
R363
JL368
JL307
47
R380
2SA1162Y-TE85L
Q203
VA5
0.1u
B
C251
180p
C214
0.60mm
JS572
50V
1u
C216
SW_12V
7P
CN350
1
CTL (X)
2
CTL (Y)
3
GND (AU)
4
A HEAD PB
5
A HEAD REC
6
GND (AU)
7
AERASE HEAD
100
R219
1u
C221
B
0.047u
B
C250
JL207
1/10W
68k
R350
XX
C361
VA2
C570
0.01u
B
±
0.5%
100k
R205
XX
D563
25V
47u
C351
L350
XX
XX
R206
0.01u
C382
L206
100uH
0.60mm
JS303
JL208
C577
0.01u
B
16V
10u
C354
XX
C579
330k
R365
1u
C245
B
VS2
16V
22u
C223
C571
10V
1u
JL571
C576
10V
100u
330
R203
HM4
220uH
L207
5600
R209
JL213
JL301
0.047u
B
C248
8200
R366
0.1u B
C235
1800
R216
0.1u B
C224
1k
R213
R570
10k
0
R208
0.1u
B
C255
JL220
JL323
C574
16V
10u
HV3
L2_V
FSC_FOR_ADJ
HT3
VS8
16V
47u
C362
VS11
1u
C244
B
0.01u
B
C236
2SD601A-QRS-TX
Q204
JL320
0.1u
B
C206
100k
R577
R571
470
VA7
2SC2712Y-TE85L
Q201
C578
0.01u
B
10p
C215
1k
R574
JL322
0.01u
C381
820
R369
0.60mm
JS302
C203
XX
XX
D562
560p
C371
560
R212
0.01u
B
C237
JL202
180
1/4W
R563
50V
1u
C350
16V
10u
C233
100uH
L202
HV6
8200
R215
3900
R381
LA7277M-TLM
IC570
1
C OUT
2
3
4
Y OUT
5
VCC
6
FIL ADJ
7
MONI 1
8
MONI 2
9
CLK
10
D
ATA
11
MAIN OFF
12
SUB
13
SUB
14
SUB
15
SUB
16
GND
17
REG
18
Y IN
19
20
C IN
0.001u
C359
XX
C384
50V
1u
C366
BA7755AF-E2
IC350
1
2
3
4
5
6
7
8
0.1u
F
C230
0.60mm
JS301
XX
C219
C575
0.01u
B
0.1u
B
C227
C572
50V
4.7u
IC201
LA71053M-MPB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
5600
R351
2SB709A-QRS-TX
Q561
0.1u B
C229
8200
R357
VS6
RD8.2ES-T1B
D561
16V
47u
C209
150
1/4W
R562
C573
16V
0.33u
JL306
16V
47u
C238
0.01u
B
C202
CNJ561
39p
C207
JL219
0.022u
B
C247
SW_5V
2SD1620-TD
Q380
AN_GND
HT3
VS12
VS1
VS1
1800
R358
16V
47u
C383
0.01u
B
C239
PET
0.047u
C380
AN_GND
1u
C204
B
1u
C249
B
JL222
47u
25V
C562
0.01u
B
C368
0.01u
B
C242
HM5
VS15
HV1
L201
39uH
XX
R222
JL215
2SC2712Y-TE85L
Q202
0
R221
50V
1u
C225
HS3
HM5
T380
1
2
3
4
5
6
7
8
0
R220
680
R225
0.01u
B
C205
100uH
L561
12k
R370
330
R561
JL218
L204
100uH
0.022u
B
C217
5600
R367
180
R383
JL205
L205
100uH
680
R223
XX
C370
0.01u
B
C561
VA4
HM4
3P
CN351
1
2
3
0.01u
B
C208
16V
10u
C364
4700
R359
1u
B
C254
8200
R204
JL561
100k
R576
50V
4.7u
C363
50V
1u
C358
16V
47u
C240
AU_GND
L570
100uH
JL570
HS4
560
R372
330
R201
CTL_X
2.2M
R354
XX
C212
1500
R214
HV2
820
R202
47k
R224
0.1u
B
C210
470u
10V
C563
JL206
0.1u B
C226
VA3
2700p
C360
0.01u
C252
0.01u
B
C220
AU_GND
JL210
16V
10u
C222
X201
3.579545MHz
0.01u
C243
270
R364
2SC1815GR-TPE2
Q350
0.01u
B
C241
47k
R231
CTL_Y
XX
R207
VS3
JL572
JS570
0.01u
C246
1u
C232
B
JL209
100uH
L380
C213
390p
0.047u
B
C201
VS13
VT2
JL214
HV5
JL203
JL217
68
R564
HV4
JL201
8200
R573
1200
R362
JL304
JL204
4700
R211
JL321
0.01u
B
C365
16V
47u
C231
JL308
C352
0.1u
JS571
XX
R572
470
25V
33u
C356
50V
4.7u
C357
JL560
XX
C564
L203
10uH
39p
C253
4700
R575
VS15
1u
C234
B
16V
47u
C228
75
R565
VA1
XX
C218
33p
C211
1
R382
JL305
1500
R210
C1
C3
C2
C6
C3
C4
C4
D2
D2
E5
C5
C1
E1
D7
D8
SW_12V
E7
E5
D4
D5
C2
D4
D5
C6
D7
D8
C5
CTL_Y
CTL_X
E8
E1
E7
E8
AU_GND
AN_GND
RF VIDEO
L1_AUDIO_R
L1_AUDIO_L
AUDIO_R_OUT
AUDIO_L_OUT
A MUTE
GND (AU)
FE HEAD
TRICK-H
REC H
REC CURR ADJ
REC Y RF
REC C
PB RF
Q VD
I2C CLK(VIDEO)
I2C DATA(VIDEO)
RF SW P
C ROT
ACC
Chara
R
INS.
P
6dB
P
AMP
SYNC
SEP
VIDEO
AGC
CLAMP
CLAMP
FBC
CLAMP
CLAMP
TC2
AGC
SW-Vcc
REG
CLAMP
P
ACC
R
DET
YNR
FILT
R
REC-EP.LP
LPF
PB-EP
1/2
REC
FBC
PB-LP.SP
R
Y-Vcc
P
RF SWP
P
C.ROT
R
HASW
P
REC-H
R
TRICK-H
1
CCD VCC
2 3
1H
D.L
R
N.C
KIL
60/50
R
VCA
C-LPF
SW GND
P
A-Vcc
B.D.
ALC
KIL
DET
ENH
A-GND
DETAIL
C-GND
EMPH
N.C
N.L
N.C
AGC
N.C
EMPH
D.L
TC1
1H/2H
PB
4Fsc
Main
LA71053
EQ
FM
CCD GND
EQ
NTSC:H
MOD
C-Vcc
BAL
CLK IN
FM
AFC
REC
FILT
EQ
N.C
SQPB
P
DOUBLE
P
LIM
P
DEMOD
R
LPF
P
SUB
S
N
P
R
SERIAL
DECODER
DET
SYNC
DET
FMAGC
CLAMP
VIDEO
FILT
M-Em
CTL
EQ
FIL
PEAKING
N.L
Y GND
R
BPF2
BGA
PB
PB
BGA-A
REC
BGA-B
B
RA
R
AMP
A MUTE
ACC
P
APC
REC
REC
AMP
REC
EQ
APC
AUTO
APC
BIAS
VXO1
P
KIL
R
DET
REC
AMP
AMP
VCO
MUTE
SLD
AMP
INV
LINE
EQ
Vref
D.L
ALC
BPF1
Vref
TH
REC
LPF
P
Sub
R
COVN
MIX
Sub
CONT
BPF
De-EM
Main
NC
CONV
DHP
B-UP
PIC
AMP
N.L
AMP
Y/C
ARC CLK
ARC DATA
VIDEO OUT
OSD V OUT
PB-H
VXO2
TU VIDEO IN
RF AUDIO
NORMAL_OUT
NORMAL_IN
L2_AUDIO_L
RF_AUDIO_OUT
L1
L2
TU
COMP SYNC
AN_GND
L2(L)
AU_GND
VIDEO
L
R
IN
OUT
L2_AUDIO_R
L2(R)
L2_VIDEO
AUDIO_MUTE
B+
B+
B+
IC201
 Y/C PROCESSOR
AUDIO PROCESSOR
0
2.3
2.4
2.4
R0.6
/P5
R1.6
/P5
R0.8/P0
2.4
2.4
2.3
R3.1
P2.3
2.3
0
R4.1/P0
0.8
R3.3/
P0.2
0.8
4.2
R1.6
P2.0
R0/
P2.5
R2.4/
P0.3
2.3
2.6
2.0
2.0
3.1
0
R2.4/
P2.0
R0.2/
P1.8
1.1
R1.5
P1.7
2.2
R2.4/
P1.6
R2.4/
P1.5
R3.1/
P2.5
3.1
3-3.7
4.6
4.8
2.3
R0.1/
P1.5
0
1.8
0.3
1.8
3.4
3.0
R2.2/P0.3
1.5
R1.7/
P0
2.0
R2.1/
P0
4.1
R3.2/
P1.3
3.0
3.0
3.1
1.9
4.9
2.2
1.4
9.0
2.0
0.8
1.8
2.5
4.9
2.5
4.9
4.9
3.4
3.3
3.3
3.4
3.3
2.1
2.5
1.9
2.3
5.0
2.3
2.2
2.3
1.6
5.0
1.4
2.1
B+
5.0
R2.4/
P2.1
R1.8/P1.4
2.0
1.3
3.7
2.6
2.8
1.8
4.1
1.9
1.8
2.6
2.4
2.1
2.9
2.3
1.8
4.9
1.1
5.0
5.0
5.0
0
R3.3
P0.2
2.4
B+
B+
B+
B+
B+
B+
B+
3.3
2.6
B+
16
14
13
11
10
9
8
7
15
12
R1.7/
P5
R4.7/P5
R1.8
 P5
 MA-397(6/7)
(SEE PAGE 4-17)
7
 MA-397(5/7)
(SEE PAGE 4-15)
8
 MA-397(4/7)
(SEE PAGE 4-13)
9
1
 MA-397(1/7)
(SEE PAGE 4-7)
AUDIO
 MA-397(3/7)
(SEE PAGE 4-11)
6
5
 MA-397(7/7)
(SEE PAGE 4-19)
R1.6
/P5
R0.8/P0
REC
PB
CHROMA
Y
Y/CHROMA
VIDEO SIGNAL
AUDIO
SIGNAL
IC570
ARC
BUFFER
BUFFER
HEAD SWITCH
IC350
BIAS SWITCH
BIAS OSCILLATOR
 TRANSFORMER
BIAS OSC
BUFFER
BUFFER
FULL ERASE 
  HEAD
ACE HEAD
4-9
4-10
MA-397 (Y/C, AUDIO PROCESS) SCHEMATIC DIAGRAM
• See page 4-5 for printed wiring board.
• See page 4-21 for waveforms.
MA-397 BOARD(2/7)
Y/C,AUDIO PROCESSOR(VA BLOCK)
•REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R  :REC MODE
P  :PB MODE
Y/C, AUDIO PROCESS
MA-397 (2/7)
SLV-LX80S
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
JL112
JL114
JL162
IC162
MM1256XF-BE
1
2
3
4
5678
JL111
JL110
JS101
0.60mm
2200p
B
C146
Q103 2SC1815GR-TPE2
PH102
GP3S120S
R101
470
1/4W
Q101
PT380F3
C104
0.001u
B
C105
330u
6.3V
R112
4700
XX
C114
PS101
F
C107
1u
JL106
C101
0.001u
B
JL102
R105
22k
1/4W
10k
R114
D102
XX
16V
47u
C106
JL108
C102
0.001u
B
S101
R104
22k
10k
R113
D101
XX
R103
15k
CN103
3P
1
2
3
JL107
JL101
R106
39
1/4W
S102
R102
15k
D103
GL528V1
JL104
C103
0.001u
B
R107
39
1/4W
PH101
GP3S120S
Q102
PT380F3
JL109
C110
XX
47k
R109
0.01u
B
C112
0.01u
B
C111
0.01u
B
C115
0.01u
B
C116
47k
R115
47k
R116
2.2uH
L101
470
R117
0.1u
B
C108
0.1u
B
C109
IC101
LB1943N
1
2
3
4
5
6
7
8
9
10
47k
R110
47k
R118
15k
R119
MPG06D-6052PKG3
D109
2200
R111
1k
1/4W
R120
4700
R143
JL166
JL161
JL169
JL185
XX
C186
1u
F
C187
XX
C188
XX
C189
16V
47u
C190
XX
C191
XX
C192
CN102
9P
1
2
3
4
5
6
7
8
9
XX
JS103
JL103
JL105
JL115
JL116
JL117
JL118
JL119
JL120
JL121
JL122
JL123
JL124
JL125
XX
R123
TS5
TS4
TS3
TS2
TS1
VS15
VS13
RS2
VS7
VS6
RS1
VS8
VS6
HS4
HS3
VS2
VS1
HS5
HS4
HS3
HS2
HS1
MS12
MS11
MS10
MS7
MS6
MS4
MS3
MS2
MS1
PS2
PS1
MTR_12V
D_6V
SW_5V
AN_GND
MTR_GND
D_GND
SW_12V
10k
R169
10k
R168
0.047u
B
C160
0.047u
B
C161
47k
R164
47k
R165
3300
R162
1/4W
C162
0.1u
F
C172
0.01u
B
C173
0.01u
B
220k
R178
470k
R179
18p CH
C167
C166
27p
CH
C164
24p
CH
C165
0.047u
B
C163
14.31818MHz
X160
32.768kHz
X161
390
R174
10k
R172
4P
CN104
1
D_GND
2
S-DATA
3
S-CLK
4
RESET
680p CH
C507
470
R507
0.1u
B
C510
1u
B
C508
3900p
B
C509
1500
R508
1M
R509
470
R177
1/4W
470
R176
1/4W
470
R175
680p
CH
C170
0
R187
0
R185
0
R183
3300
R170
3300
R189
6800
R188
10k
R166
1/4W
15k
R167
10V
470u
C145
50V
22u
C144
50V
22u
C143
10V
100u
C140
C142
0.022u
B
0.1u
F
C141
XX
R173
47k
R171
1200
R142
22uH
L163
2.2uH
L500
15p
CH
C500
15p
CH
C501
0.01u
B
C502
4700p
B
C503
1k
R500
10V
100u
C168
0.1u
F
C169
C171
5.5V
0.33
22uH
L162
22uH
L161
MPG06D-6052PKG3
D162
MPG06D-6052PKG3
D161
XX
C174
680
R505
1k
R504
1k
R503
CH
C505
10p
2SB709A-QRS-TX
Q500
0.001u
CH
C504
0
R502
VS11
VS12
470
R121
JL163
JL164
JL500
JL501
0.60mm
JS161
JL160
0.60mm
R190
1k
R191
1k
R192
100uH
L501
F
C511
0.1u
10V
100u
C512
XX
C175
JL186
0.60mm
R510
0.60mm
R511
0
R193
0.60mm
R195
10k
R194
0.001u
B
C513
JL170
2SA1162Y-TE85L
Q502
0
R512
1/4W
470
R513
JL127
JL126
JL130
JL129
JL128
JL132
JL131
1k
R160
100k
R159
0.1u
B
C113
3300
R180
0.60mm
JS163
0.1u
B
C176
XX
C185
JL133
B
0.001u
C514
XX
C515
10k
R161
IC160
M37760M8H115GP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
XX
JS520
JL134
JL135
JL136
JL137
JL138
HS7
OSD_VCC
CTL_X
CTL_Y
MTR_GND2
IC161
M24C02-WMN6T(A)
XX
D163
0.60mm
JS521
5P
CN101
1
MTR 12V
2
D VS
3
D PG
4
D FG
5
MTR GND
M
M
M
S5
S8
S9
S18
S16
S15
S11
S7
S6
S17
S1
S2
S4
S3
S14
S13
S10
M7
M6
M3
M2
M2
M1
M6
M7
S15
S16
S13
S8
S1
S2
S3
S4
S14
S10
S5
S17
S18
V9
V4
V11
V1
V9
V4
V2
V1
M3
T5
T4
T3
T2
T1
T2
T3
T4
M1
S9
S6
S7
S11
T1
T5
V11
V6
V7
V7
V6
D5V
D_GND
AN_GND
MTR_GND
MTR_GND2
V2
DATA
CLK
OUT 1
VCC 1
OUT 2
VCC 2
CTL
S REEL FG
CAM(+)
LIMITER
MTR GND
T/S.LED
S.SENS
CTL-REF
CAP VS
AN GND
T REEL FG
T.SENS
CAP RVS
SW 5V
CAM(-)
CAM(+)
ICP-N5
MTR 12V
REC PRF.
CAP FG
CAM(-)
VCL
VCH
V REF
VCC 1
VCC 2
MTR GND
IN 1
CAM(+)
IN 2
WP
DEST
MPX MODE
TU AFT
FUNC KEY2
FUNC KEY1
S SENS
T SENS
V RF ENV
AF ENV
CBC ON
KKP +
KKP -
QVD
REMOCON
C ROT
HA SWP
ENV SW
RF SWP
AF SWP
END LED
ANT SEL
AF REC P
N.C
CAP RVS
N.C
MODE4
MODE3
MODE2
MODE1
REC PRF
I2C CLK EEP
I2C DA
T
A
 EEP
CAM
RESET
32kHz(in)
32kHz(out)
Vcc
4fsc(in)
4fsc(out)
Vss
ARC CLK
ARC DA
T
A
CLK SEL
OSC IN
OSC OUT
NUB
LPF
SP
OSD GND
OSD V IN
WHITE LEVEL/ LECHA
OSD V OUT
OSD Vcc
HLF
VHOLD
C VIDEO IN
NUA
N.C
PLL CLK
PLL DATA
PLL ENABLE
NC
A MUTE
P CONT M12
P CONT SW12
FLD CS
V-SET CS
S OUT0
S IN0
S CLK0
I2C CLK
I2C DATA
CBC SIRCS OUT
CLKOUT
NICOLE
CAP ERR
DRUM ERR
P FAIL
S REEL
T REEL
DMS +
DMS -
MAIN/SAP
F MONO
STEREO
SAP
CAP FG
AMP Vss
DRUM FG
DRUM PG
AMP V
ref OUT
AMP V
ref IN
RC CHECK
CTL - IN
CTL + IN
AMP C
CTL AMP OUT
AMP Vcc
AV
c
c
V
-SET RESET
TV/VTR
PLL CLOCK
PLL DATA
PLL ENABLE
TU AFT
VIDEO OUT
OSD V OUT
RF ENV
RF SWP
HA SWP
ENV SW
A MUTE
Q VD
I2C CLK
I2C DATA
RF SWP
C ROT
AF REC P
AF SWP
I2C DATA
I2C CLK
AF ENV
KKP -
KKP +
D5V
FLD CS
S OUT0
S CLK0
FUNC KEY2
FUNC KEY1
REMOCON
P CONT SW12
P CONT M12
ARC CLK
ARC DATA
MPX MODE
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
  MA-397(7/7)
(SEE PAGE 4-19)
  MA-397(6/7)
(SEE PAGE 4-17)
  MA-397(4/7)
(SEE PAGE 4-13)
  MA-397(2/7)
(SEE PAGE 4-9)
  MA-397(1/7)
(SEE PAGE 4-7)
  MA-397(5/7)
(SEE PAGE 4-15)
  MA-397(2/7)
(SEE PAGE 4-9)
  MA-397(7/7)
(SEE PAGE 4-19)
  MA-397(2/7)
(SEE PAGE 4-9)
OPEN
5
11
12
6
2
13
6
6
10
0
4.8
4.8
2.4
2.4
R2.8/
P2.4
R2.0/
P2.4
4.8
2.4
2.4
0.2
2.8
2.3
5.0
5.0
4.7
4.9
4.9
4.9
4.9
4.9
R0/P2.5
R0.1/P3.2
4.9
R0/P5.0
0
4.9
2.5
0
0.6
2.5
2.5
2.5
5.0
R0/P5.0
5.0
0
0
0
5.0
5.0
5.0
5.0
2.2
4.8
1.5
1.4
5.0
2.1
2.2
5.0
4.9
5.0
2.3
2.3
1.4
1.8
0
1.8
5.0
2.0
2.6
1.9
0
0
0
0
4.9
4.9
2.0-3.1
4.9
4.9
4.9
3.1-3.9
2.6
2.7
0.1-4.9
0.1-4.9
4.8
0.2
2.2
4.8
6.3
13.5
0.2
13.5
4.9
4.9
1.6
0.4
1.5
2.5
4.8
4.8
4.9
5.0
5.0
5.0
5.0
1.8
2.5
BUFFER
BUFFER
T
A
KE END 
 SENSOR
SUPPL
Y
 END 
 SENSOR
LED DRIVER
LOADING MOTOR DRIVE
IC101
SERVO SYSTEM
  CONTROL
IC160
IC161
IC162
EEPROM
POWER FAIL DET
RESET PULSE GEN
REC
REC/PB
PB
DRUM SPEED SERVO
DRUM PHASE SERVO
DRUM SERVO(SPEED AND PHASE)
CAPSTAN SPEED SERVO 
CAPSTAN SERVO(SPEED AND PHASE) 
SERVO REFERENCE SIGNAL
28
27
26 25 24
22
23
21
19
18
17
29
M901
DRUM
MOTOR
M902
CAPSTAN
MOTOR
M903
CAM
MOTOR
CAM ENCODER
4-11
4-12
MA-397 (SERVO/SYSTEM CONTROL) SCHEMATIC DIAGRAM
• See page 4-5 for printed wiring board.
• See page 4-22 for waveforms.
SERVO/SYSTEM CONTROL
MA-397 (3/7)
Note :
The components identified by
mark 
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
MA-397 BOARD(3/7)
SERVO/SYSTEM CONTROL(SS BLOCK)
•REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R  :REC MODE
P  :PB MODE
SLV-LX80S
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
4-13
4-14
MA-397 (AUDIO PROCESS) SCHEMATIC DIAGRAM
• See page 4-5 for printed wiring board.
AUDIO PROCESS
MA-397 (4/7)
MA-397 BOARD(4/7)
AUDIO PRO0CESS(AU BLOCK)
•REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R  :REC MODE
P  :PB MODE
16V
10u
C328
1SS119-25TD
D302
16V
10u
C341
HS3
50V
4.7u
C323
47k
R318
XX
R317
JL319
JL312
JL328
AU3
50V
4.7u
C320
JL326
JL325
25V
47u
C304
16V
10u
C342
50V
10u
C312
220
R306
47k
R319
AU2
HM5
HV3
50V
10u
C310
0.1u
C339
IC301
AN3668FBP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
XX
L301
0.22u
C334
50V
2.2u
C311
XX
R307
Q301
2SA1162Y-TE85L
HS2
JS311
16V
10u
C322
JL311
2SC2712Y-TE85L
Q303
0.1u
C333
±
5%
33k
R316
0.1u
C319
JL310
JL331
25V
47u
C305
R303
1k
0.22u
C343
0.01u
C302
JL330
HV1
50V
10u
C313
47k
R313
100uH
L303
R323
0
XX
B
C335
JL313
50V
10u
C314
FSC_FOR_ADJ
0.015u
C330
JL314
16V
10u
C329
R308
56k
AU_GND
50V
1u
C327
0.1u
B
C321
XX
L302
HT3
AU1
JL317
16V
10u
C324
16V
47u
C332
25V
33u
C326
AU_PB_RF
0.1u
C303
0
R310
50V
4.7u
C325
2SC2712Y-TE85L
Q302
0.015u
C340
0.1u
C301
0.01u
C338
0.1u
C309
HS4
47k
R314
SW_5V
1SS119-25TD
D301
SIF
25V
33u
C331
JL318
HV2
JS312
HM4
XX
R315
XX
JS313
XX
R312
HS5
1u
C308
JS304
SW_12V
HV5
HS7
JL327
1k
R301
HS1
0
R311
XX
R334
HV6
JL329
50V
3.3u
C316
XX
R322
JL315
0.1u
C336
AN_GND
0.022u
C337
JL316
0.1u
C317
HV4
R302
1k
0.022u
C306
50V
10u
C315
0.01u
C345
XX
R320
JL324
50V
3.3u
C318
R321
3300
220
R305
VS1
50V
2.2u
C307
AN_GND
SW_12V
SW_5V
AU_GND
L1R
L2R
L1L
L2L
VCC5V
OUT R
L+R
REF
GND
MPX
MODE
OUT L
VCC12V
RFC OUT
RFC AGC
NA OUT
NA IN
SIF
FSC
SDA
SCL
VCC5V
N.C.
GND R
REC ADJ
RPVCC5V
PB IN1
R/P GND
PB IN2
REC OUT
VREF
INREF R
L1 R
L2 R
GND L
INREF L
L1 L
L2 L
+
{
DEM/FILTER
SAP DEMOD
(L-R)/SAP
Switch
OUT
SEL
dbx
NR.
IN SEL
PNR Lch
VCO R
VCO L
BPF
PNR Rch
FM
LIMITER
DET
NOISE
ENV
DET
H
L
OFF
ON
EE
moniter
INSW
MUTE
MUTE
INSW
SWP
OFF
ON
ON
OFF
±
10%
±
10%
AUDIO_R_OUT
AUDIO_L_OUT
RF_AUDIO_OUT
NORMAL_OUT
NORMAL_IN
L1_AUDIO_R
L1-AUDIO_L
L2_AUDIO_R
L2_AUDIO_L
I2C_DATA
I2C_CLOCK
AF_REC
AF_ENV
AF_SWP
AUDIO_CH1
AUDIO_REC
AUDIO_CH2
MPX_MODE
AUDIO MUTE
B+
B+
B+
IC301
AUDIO PROCESS
  MA-397(5/7)
(SEE PAGE 4-15)
  MA-397(7/7)
(SEE PAGE 4-19)
B+
5.0
6.0
2.2
6.0
12.0
6.0
2.5
2.2
2.5
0.3
2.5
2.2
0
0
2.2
2.5
0
0
2.2
0
2.2
0-5
0-5
5
1.7
2.5
0.4-0.7
2.5
2.5
0
1.8
5.0
0-5
2.1
5.0
R2.1/P0.7
R2.1/P0
R2.1/P0.7
2.5
2.5
R2.1/P0
0.4-0.7
1.5
1.5
0.66
0.66
0.66
MUTE
MUTE
POWER MUTE
  MA-397(2/7)
(SEE PAGE 4-9)
  MA-397(1/7)
(SEE PAGE 4-7)
  MA-397(3/7)
(SEE PAGE 4-11)
AUDIO
SIGNAL
REC
PB
12
4
9
15
14
SIGNAL PATH
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