Matsushita Electric SE-HD510, Руководство по обслуживанию

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Q307
(Q308)
Muting
PHONES
M5218AFPE3
IC301
HEADPHONES AMP
RSN35H1
IC501
POWER AMP(LOW)
Muting
Short
det.
Power
ON/OFF
Bias
6
4
(1)
10
(14)
11
(13)
N F
Muting
Q503
(Q504)
Muting
cont.
Q501
7
12
3
8
-B
-B1
+B1
2
+Vcc
Lch IN
1
MUTE
8
CN101
2
3
4
5
6
7
9
12
13
14
15
16
17
18
A.GND
POWER
+B(13V)
LED CNT
CT
19
11
10
D.GND
R ch
-B(13V)
+B(15V)
+B(10V)
KEY SE
JOG A
JOG B
+B(5.6V)
-B(-30V)
FL1
FL2
20 SYNC
Muting
cont.
Q303
PT701
Protector
/over load
det.
Q502,505,
508~512
D705~707
-B1
-B2
+B1
D105,106
FL1
FL2
VR301
(VOLUME)
Regulator
Q101
Regulator
Q105,106
D122
D113~116
Regulator
Q102
D112,119,123 D107~110
RL101
Q103
FL1
FL2
D709
D710
-Vcc
Rch IN
To Tuner
Block
Diagram
N F
2
(6)
3
(5)
1
(7)
4
-B2
8
+B2
Q301
(Q302)
Muting
SPEAKERS(LOW)
(6 )
POWER
TRANSFORMER
AC IN
Z701
RL702
Q702
Relay
drive
POWER
TRANSFORMER
PT702
KEY SWITCH
(S301~305)
12
(7)
13
(8)
1
(3)
-B1 +B1
SPEAKERS(HIGH)
(6 )
LM1876TF
IC502
POWER AMP(HIGH)
D127
Relay
drive
Relay
drive
RL701
Q701
D711~714
D701~704
Regulator
Q104,
D117,120,124
+B2
2,15
4
D503,
504
D505,
506
F2
F1
N F
N F
5(3)
6(2)
7
(1)
4 8
-B2 +B2
VR401
(FINE
TWEETER
CONTROL)
M5218AFPE3
IC401
FILTER AMP
D121
D104
D103
Notes
Signal line : Source signal
( ) indicates pin No. Right channel.