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Idiomas disponibles
SLV-EX5/EX8S/EX9S
Q Q
3 7 6 3 1 5 1 5 0
MA-377 (Hi-Fi AUDIO) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board.
– Ref. No.: MA-377 board; 1,000 series –
1
2
3
MA-377 BOARD (4/7)
A
B
HA21
NA_HF_OUT
HA22
NORMAL_AU
HC35
8
AUDIO_CH2
HC36
MA-377 BOARD(1/7)
AUDIO_COM
HC37
(SEE PAGE 4-10)
AUDIO_CH1
H44
AFENV
C
4
NAPB
MA-377 BOARD(1/7)
(SEE PAGE 4-10)
A91
FULERA
B33
RECP
H41
14
AFSWP
D
A4
MA-377 BOARD(2/7)
NAPB
H44
(SEE PAGE 4-13)
AFENV
CN6
CTL_-
CN7
CTL_+
REC_A_HEAD
E
9
B+
MA-377 BOARD(1/7)
(SEE PAGE 4-10)
PB_A_HEAD
SW_5V
T E
L
1 3 9 4 2 2 9 6 5 1 3
LINE_IN3L(SAT)
AU_GND
AN_GND
F
C371
0.001u
CN331
R371
7P
330
JL336
R372
X CTL (X)
7
330
CTL HEAD
G
Y CTL (Y)
6
JL335
CTL GND
5
JL331
AUDIO
PB A HEAD
4
REC/PB
JL332
HEAD
REC A HEAD
3
JL333
AUDIO
BIAS GND
2
ERASE
JL334
HEAD
A ERASE HEAD
1
H
JS371
CN332
3P
JL337
FULL
FE HEAD
1
ERASE
HEAD
NC
2
GND
3
I
05
J
w w w
Hi-Fi AUDIO
MA-377 (4/7)
4
5
6
7
B+
Q372,373
HEAD
SWITCH
Q372
Q373
2SD601A-QRS-TX
2SD601A-QRS-TX
0
R-14.5/P0
R-21.1/P0.7
R-20.9/P0.7
R375
R376
10k
10k
R-21/P4.9
Q374
MUN2113T1
R5/P0
HEAD
CONTROL
5
SWITCH
CN7
CN6
C375
Q375
0.015u
T371
2SC4040-TL2-Q
100V
BIAS ERASE OSC
JS372
C373
R378
7
0
220p
10k
R10.6/P0.3
0.2
6
1
C376
1500p
0.1
5
3
R0.1/P11.8
C377
R379
0.01u
22k
R11.5/P0.4
4
2
L371
8
1.2mH
UN2115-QRS(TX)
C378
R380
C379
47u
SWITCH
0.1u
4.7
16V
x
a o
.
i
4-17
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8
9
10
B+
B+
PS331
0.315A
C309
R307
8200p
2200
R306
27k
C308
10u
50V
L301
100uH
C307
47u
16V
JS373
0
11.7
C304
0.01u
Vcc 12V
HC35
R4.1/P0.6
PB IN 2
C323
0.1u
HC36
R4/P0.6
REC OUT
HC37
R4.1/P0.6
PB IN 1
R4/P0
R329
470
HM SW
0.01u
C324
R301
10k
GND
4.8
R322
18k
Vcc 5V
H41
C303
2.2u
0.8
JL304
AF SWP
HT42
JL305
4.6
S DAT
HT43
R321
1k
JL306
4.6
S CLK
H44
R320
1k
R0.2/P3
Q
Q
AF ENV
3
7
H44
IC360
TDA9605H/N2,557
IC360
Hi-Fi AUDIO
PROCESS
C327
0.22u
R370
47k
JS304
EX5
11.8
EX5
Q376
JS302
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
u 1 6 3
y
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2
4
8
9
9
11
12
13
14
B+
EX8S/EX9S
R311
2200
R312
C315
27k
8200p
C316
10u
50V
33
32
31
30
29
28
27
26
25
24
23
C317
1u
50V
3.8
JL307
JS333
NA IN
4.6
JL301
NA OUT
C318
NC
10u
50V
NC
0
MUTE
C319
10u
50V
6.1
R OUT
6.1
L OUT
0
C320
10u
50V
MUTE
4.5
MUTE
C336
10u
50V
3.9
R330
10k
RF OUT
0
ACL
6
3
1
5
1
5
0
R313
8
9
3.3M
4.9
C322
1
2
3
4
5
6
7
8
9
10 11
10u
50V
R331
3300
JS361
JS204
JS360
JS330
SIGNAL PATH
JS914
AUDIO
SIGNAL
REC
PB
Ref.signal
Note: The components identified by mark 0 or dotted line
m
with mark 0 are critical for safety.
Replace only with part number specified.
c o
.
4-18
2
8
9
9
15
16
17
HT1
TUNER_M
HT2
21
TUNER_L
HT3
MA-377 BOARD(5/7)
TUNER_R
HT13
(SEE PAGE 4-19)
MOD_AUDIO
HT42
11
SDA
HT43
SCK
MA-377 BOARD(2/7)
(SEE PAGE 4-13)
NORMAL_AU
22
LINE_OUT_L
MA-377 BOARD(5/7)
(SEE PAGE 4-19)
B+
SW_5V
SW_12V
LINE_OUT_L
LINE_OUT_R
HA22
HA21
JS332
0
EX5
Q338
2SC2712Y-TE85L
0
-0.6
2
4
9
8
2
9
9
R332
23
1k
MA-377 BOARD(6/7)
Q337
Q338,339
(SEE PAGE 4-21)
MUTE
MUTE
CONTROL
5
0
R333
1k
-0.6
Q339
2SC2712Y-TE85L
H4
LINE_IN2_L
H5
LINE_IN2_R
H6
LINE_IN3_L(SAT)
H10
LINE_IN1_L
H11
LINE_IN1_R
AU_GND
B+
UN5V
AN_GND
DGND
GND
REC
REC/PB
PB
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