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Technics SH-DV250 Service Manual page 40

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TU LIC
FL
Q301,305
(Q302)
MUT F
MUTING
SUR L1
SW1
ATT1
Q306
ATT
CONT.
SA CS/REQ
SA CLK
SA DATA
NJM4558MTE1
IC501
SW2
BUFFER
AMP
Q502,505
ATT
ATT
Q501
MUT SB
MUTING
CONT.
STIAV
MIC
SH SYNC
+B1
Q764
+B2
REGULATOR
Q765
STABILIZER
Q766
+B3
REGULATOR
Q767
STABILIZER
+B4
+B5
REGULATOR
M5218APC
IC301
BUFFER
AMP
Q303
ATT
NJM4558MTE1
(Q304)
IC303
BUFFER
AMP
NJM4558MTE1
Q315
ATT
IC302
(Q316)
BUFFER
AMP
Q309
Q307
ATT
ATT
(Q314)
SUB WOOFER
OUT
Q504
Q503
MUTING
MUTING
Q506
Q507
ATT
ATT
CONT.
Q761,762
D762
REGULATOR
REGULATOR
Q763
Q768
CN201
1
R ch
2
3
4
R ch
5
6
7
R ch
8
(2/2)
9
10
-B1
11
12
13
14
15
16
To FL DISPLAY
17
(FL601)
FL1
18
FL2
19
20
NOTES
: CD PLAYBACK SIGNAL LINE
(
) indicates pin No. Right channel.
TUNER Lch/C
TUNER Rch
A.GND
Lch OUT
Rch OUT
+B(10V)
SUR L
SUR R
S.W
To TUNER/AMPLIFIER
(SA-DV250)
MIC
BLOCK DIAGRAM
-B(-10V)
V.GND
D.GND
CS/REQ
CLK
DATA
CT GND
SH FL1
SH FL2
SYNC

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