A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
SLV - EX50/EX80S/EX90S
CL297
1k
R289
*
JL234
50V
4.7u
C223
CL298
18k
R355
JS360
0
XX
R383
UN2213-TX
Q203
10uH
L207
0.1u
F
C235
100
R294
*
47k
R370
LA7277M-TLM
IC291
*
1
C OUT
2
YOUT
3
Y SYNC
4
Y OUT
5
VCC
6
FIL ADJ
7
MONI 1
8
MONI 2
9
CLK
10
DATA
11
MAIN OFF
12
SUB
13
SUB
14
SUB
15
SUB
16
GND
17
REG
18
Y IN
19
MCOR 3
20
C IN
XX
Q381
SW12V
16V
10u
C238
CL293
LINE1
27k
R204
0.01u
B
C295
*
0.22u
C247
AMUTE
4700p
C205
50V
3.3u
C209
1500p
C376
B
NA11
10uH
L205
L2_VIDEO
JL304
CL290
47p
C262
16V
XX
C353
50V
4.7u
C290
*
NAPB
1u B
C258
470
R366
0.022u
C221
C289
0.1u
*
2.2u
C225
16V
47u
C234
XX
R382
CL296
JL215
50V
2.2u
C218
CL292
XX
C384
1k
R201
JS291
*
0
2200
R387
0.01u
Y
C377
0.1u
C351
F
JL216
0
R357
HA22
0.1u
F
C242
VCLK
8200
R296
*
10k
R208
*
POWER
JL336
JL210
Q211
2SD601A-QRS-TX
L2_AU_L
UN2213-TX
Q377
0.01u
C207
AU_GND
330p
C252
220uH
L211
0.47u
C220
XX
Q380
2.2u
F
C251
HA21
JL208
3P
CN332
1
FE HEAD
2
NC
3
GND
1k
R225
47k
R361
100
R215
1500p
B
C356
R362
15k
100uH
L203
XX
JS308
CL303
4P
CN202
1
HF ADJ
2
PB RF
3
V.SWP
4
GND
CL203
50V
2.2u
C248
JL221
CL294
POWER
B
C299
0.01u
*
JL211
R216
100
0.01u
C215
DGND
16V
22u
C363
PAL
XX
JS204
10u
C355
16V
22k
R379
CSYNC
0.1u
F
C208
33k
R354
4700
R207
2200p
C203
2SD601A-QRS-TX
Q372
VDAT
2200p
C256
CL299
7P
CN331
1
X CTL (X)
2
Y CTL (Y)
3
CTL GND
4
PB A HEAD
5
REC A HEAD
6
BIAS GND
7
A ERASE HEAD
JL204
CL230
50V
4.7u
C298
*
JL334
XX
JS205
150k
R352
XX
C381
SW5V
50V
1u
C361
6p
CH
C226
AFENV
SCK
120k
R226
Q374
UN2113-TX
2200
R386
0.1u
F
C233
220
R223
0.01u
B
C249
1500
R206
XX
T372
1
2
3
4
6
7
8
100
R353
CTL+
HC35
JL303
JL341
0.01u
B
C294
*
0.60mm
JS302
*
Q378
UN2213-TX
R211
0
*
VOUT
100uH
L372
VIDEO_RF_IN
0.01u
B
C244
SDA
4700
R365
FULERA
47uH
L215
BIAS_GND
2.2u
C292
*
R364
0
2.2u F
C201
JL207
CTL-
16V
10u
C350
27p
C214
GND
2SC4040-TL2-Q
Q375
39p
C230
*
JL201
0.01u
B
C237
10k
R291
*
12uH
L204
15k
R360
XX
R377
XX
L381
XX
JS378
UN2213-TX
Q206
16V
10u
C296
*
XX
C382
APC
D201
1SS119-25TD
4700p
C217
JL236
100
R295
*
JL305
8200
R299
*
2SB709A-QRS-TX
Q201
470
R228
0.1u
F
C240
10k
R350
470
R202
HC37
0.001u
C371
B
AUDIO_RF_IN
6800
R205
0.01u
C246
ACK
UN2115-QRS(TX)
Q376
1.5M
R368
150p
CH
C227
220
R222
Q204
UN2213-TX
50V
4.7u
C364
R359
XX
4700p
C202
JL203
0.022u
C352
B
JL222
JL335
JL206
11P
CN201
*
1
AUDIO CH2
2
AUDIO COM
3
AUDIO CH1
4
FE
5
FE
6
SP CH1
7
SP COM
8
SP CH2
9
LP CH1
10
LP COM
11
LP CH2
CL295
XX
R381
RFENV
0.1u
F
C241
JL214
16V
47u
C250
0.1u
C228
10u
C359
16V
MESEC
QVD
R292
*
1.8M
50V
1u
C362
1u
B
C253
JL333
C232
15p
C375
0.015u
JL238
0.022u
C231
10k
R376
PB
CL231
JL337
0.60mm
JS304
*
16V
10u
C245
JL225
0.60mm
JS306
JS379
0.01u
B
C365
330
R372
0.1u
C236
0.033u
C206
R378
10k
R351
3300
0.01u
C239
10uH
L214
JS201
JL220
R363
47k
PS331
0.1u
C222
JL213
XX
R384
HA22
XX
C380
2200p
C255
22u
C354
16V
SB-D3244
T371
1
2
3
4
5
6
7
8
C210
*
22p
D_GND
1500p
C357
CL291
NTSC
NA8
10k
R375
3579.545kHz
X202
27k
R356
0.1u
F
C379
0.22u
C291
*
JL212
50V
3.3u
C243
JL332
R209
1k
XX
L380
50V
4.7u
C358
22p
C211
*
R212
*
3900
330
R371
PET
220p
C373
XX
JS307
2SD601A-QRS-TX
Q373
JS305
0.60mm
50V
4.7u
C229
JL224
UN2213-TX
Q210
XX
R367
XX
C360
XX
JS202
16V
47u
C378
XX
L371
JS203
JL235
4.7
R380
10uH
L206
JL223
100
R214
*
4700p
C254
JL209
1u
C216
XX
R385
22p
C212
*
JL205
2.2M
R219
4700
R218
JL331
10uH
L202
JL291
RFSWP
JL202
XX
Q202
XX
L351
0.001u
C219
GND
JL237
JL217
HC36
22p
C213
*
RECP
4700p
C257
1u
B
C224
*
1k
R224
JL292
2200p
C204
XX
C383
150p
C264
CN204
*
6P
1
LP CH2
2
LP COM
3
LP CH1
4
SP CH2
5
SP COM
6
SP CH1
IC201
HA118217F
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
GND
D_GND
X201
3582.056kHz
0
JS208
C259
150p
* R203
100
Q205
UN2213-TX
XX
C263
HT43
CN6
V81
V17
POWER
VV21
HC37
HT42
HC36
V82
CN7
VV46
V51
CN7
B34
V52
AFENV
VV21
HC35
B34
VV35
V97
V76
V16
POWER
V64
VR62
VV26
CN6
HC37
V50
HA21
A99
V64
V16
VR62
V84
VV37
VV35
HT42
HC36
V82
A4
VV26
HC35
AFENV
B33
V76
V97
HA22
V81
A99
V84
A4
VV37
AV-SS
HA21
VV44
VR63
B33
V76
V51
VV44
HT43
V50
VV46
HA22
V52
A4
BIASGND
BIASGND
BIASGND
AUGND
DGND
DGND
V17
VR63
SW5V
GND
GND
P 0.0
P 0.3
2.5
NAOUT
TO POWER
R-24.9
11.9V
2.5
ANGND
TO HIFI
P 4.9
P 0.3
MOD_AU
R11.8
TO IN/OUT
2.5
P 0.7
P11.9
NAOUT
2.5
R 0.1
R-24.8
BIAS ERASE
ANGND
OSC
R-20.6
0.315A
R 0.1
2.8
2.4
P11.9
P 0.0
11.9
P 0.5
R11.5
R 2.6/
P2.4
0.3
NAIN
R11.5
AUDIO REC
R-0.4
P 0.3
BIAS ERASE
P 0.3
AUDIO CH2
OSC
P 0.0
4.9
AUDIO CH1
R 0.3
R 4.9
2.5
NAIN
R11.4
LP CH1
SP CH1
AUDIO CH1
AUDIO CH2
LP CH2
SP CH2
LP CH1
LP CH2
SP CH1
SP CH2
CHECK
(JIG)
MA-402 (2/8)
(SEE PAGE 4-13)
MA-402 (5/8)
(SEE PAGE 4-21)
MA-402 (2/8)
(SEE PAGE 4-13)
MA-402 (8/8)
(SEE PAGE 4-27)
MA-402 (6/8)
(SEE PAGE 4-23)
MA-402 (4/8)
(SEE PAGE 4-19)
2.2
1.3
2.4
R0/P3.8
2.4
2.4
2.5
2.4
4.9
R0.1/P2.2
0.3
R0.1/P2.2
R0.1/P2.2
R0.1/P2.2
4.9
0.1
R0/P1.7
2.5
2.4
4.9
0
R1.9/P1.3
R1.9/P1.3
R2.6/P3
R3.3/P0.6
2
2.3
3
2.7
2.2
1.9
3
2.1
1.4
2
2.8
1.9
2.8
2.8
3
4.9
0.1
4.9
3
4.9
4.9
2
4.9
2.5
2
0.4
2.9
2.3
1.8
4.9
1.1
0.2
0.2
4.6
4.6
2.6
2.5
2.3
4.1
1.9
1.8
2.7
2.5
4.9
R0.3
P 0.0
IC291
IC201
B+
B+
B+
B+
B+
B+
B+
B+
B+
1
2
3
4
5
6
7
8
9
10
11
12
13
12
15
14
17
15 16
1
2
3
4
5
6
VIDEO REC/PB AMP
VIDEO INPUT SELECT
Y/C PROCESS
NORMAL AUDIO PROCESS
B+
B+
B+
B+
B+
B+
DRUM FF IN
CK DET
DISCRI
ENV OUT
GND
SP CH2(+)
SP CH2(-)
SP CH1(-)
SP CH1(+)
VCC
SP CH1(+)
SP CH1(-)
SP CH2(-)
SP CH2(+)
AUDIO ALC FILTER
AUDIO VCC
S/VHS
REC Y+C OUT
MUTE
AUDIO PB
EQ OUT
AUDIO PB IN (-)
AUDIO PB IN (+)
AUDIO PB EP SW
AUDIO REC OUT
AUDIO GND
B.G.
AUDIO LINE IN3
AUDIO LINE IN2
AUDIO LINE IN1
AUDIO BYPASS
AUDIO LINE OUT
VCC
MAIN EM OUT(REC)
MAIN DEEM IN(PB)
MAIN EM IN(REC)
MAIN DEEM OUT(PB)
S-DET
E-PEAK
G-EQ
CLAMP DRIVE
Y-CCD DRIVE
ME ALC/PB FM AGC
MAIN CLAMP IN
ME FBC(REC)
APL(PB)
Y-CCD CLMAP
Y-CCD LPF OUT
CCD ADJ
FROM Y-CCD
GND
LINE IN3
AGC DET
LINE IN2
LINE IN1
AV TAB
AV TAB
AV TAB
CCD C-OUT
CCD VCC
CCD MODE COUNT IN
CCD TAB
CCD Y-OUT
CCD TAB
CCD Y-IN
CCD TAB
CCD TAB
CCD CLK IN
CCD GND
CCD C-IN
AV TAB
AV TAB
AV TAB
SYMC SEP OUT
SP/EP
PB C OUT
SEP C IN
MESECAM DET
PB APC/REC APC
3.58/4.43 X’tal IN
REC APC
X’tal OSD OUT
ACC DET
3.58 X’tal IN
CR-DET
CCD SIG 2fsc OUT
GND
DO OUT
LC-VCP
2fsc VCO DET
KILLER OUT
IIC DATA
IIC CLK
VCC
C-CCD DRIVE
LEVEL DET
C-CCD FB-IN
CCD CONT
VIDEO OUT ALC
PB C-OUT
COLOR IN
VIDEO OUT FBC
Y OUT
SQ IN
AU GND
MA-402 (7/8)
(SEE PAGE 4-25)
7
CTL HEAD
AUDIO REC/PB
HEAD
AUDIO ERASE
HEAD
FULL ERASE
HEAD
CHROMA
Y
Y/CHROMA
AUDIO
SIGNAL
REC
PB
VIDEO SIGNAL
0
R3.6/
P2.1
2.7
4.5
2.4
2.1
R2.7
/P1
1.8
2.3
2.1
2.8
2.8
4.7
4.7
R1/
P2.6
0
4.7
4.7
4.7
2.1
3.1
3
0.1
2.3
2.1
1.9
2.8
2.4
0.1
BUFFER
INVERTER
Q203,Q204
PAL/NTSC SWITCH
4.9
2.3
1.6
0
5
5
0
1.2
0
4.9
0.1
R3.6/P2.1
R4/P1.5
4.9
0
5
BUFFER
REC TRAP
SWITCH
Q372,Q373
HEAD SWITCH
HEAD CONTROL
SWITCH
BIAS ERASE
OSC
SWITCH
BRAZIL
ONLY
BRAZIL
ONLY
EX80S/
EX90S
EX50BR/
EX80SBR/EX90SBR
BRAZIL
ONLY
EX50BR/
EX80SBR/
EX90SAR
EX50/EX80SAR/
EX90SAR
EX90S
EX90S
EX90S
ARGENTINA
ONLY
EX50
EX80S/EX90S
EX50
EX50/EX80S
EX50
REC/PB
REC
SIGNAL PATH
Ref.signal
PB
EX50/
EX80SAR
EX50
BRAZIL
ONLY
EX90SAR
ARGENTINA
ONLY
EX80S/
EX90S
BRAZIL ONLY
ARGENTINA
ONLY
BRAZIL ONLY
BRAZIL
ONLY
EX90S
ARGENTINA
ONLY
EX50AR/
EX80S/EX90S
4-9
4-10
MA-402 (VIDEO, AUDIO) SCHEMATIC DIAGRAM
– Ref. No: MA-402 Board; 1000 series –
• See page 4-5 for printed wiring board.
MA-402 BOARD(1/8)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
VIDEO, AUDIO
MA-402 (1/8)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299