Technics SH-EH750 Service Manual page 7

SCHEMATIC DIAGRAM-2
omen POSITIVE VOLTAGE LINE
A D C B
D607
MA165TA
D
D907
matesta — "3084
Q613 ov ox
2SC3311ATA (P25
INTERFACE
R683
4.7K
B
Cc
D906
4.9V MA165TA
'S
Q614
2SC3311ATA
INTERFACE
A 10K
R688
4.7K
Q615
2SC3311ATA
INTERFACE
5V
D608
1SS291TA
rai ~J
5.6V
R649
ON
VPOZrTYPWCZAR
M62457FPE1
SPEANA AMP
R655 100K
$601
(DISPLAY MODE)
—
$602
a (DOLBY
oN PRO LOGIC
oc OFF/ON)
— i
$603
Ox (SUPER
(2 © SURROUND)
poser i
$604
QXS (SIMULATED
em STEREO)
=i
Sx $605
te ~ @ (CENTER FOCUS)
ra td
S606
2S (VIRTUAL REAR
(-< SURROUND)
i
S607
28S (MULTI REAR
(aie SURROUND)
i:
rae
=)
Oo
Oo
(5)
eg
5
Z. ©. "2
O <x <x
5V [2.5V 2.5V
ox
2S C624
re 50V0.1
SSir
OS
$609
(D>)
—
89 S610
© (a)
—L
@ S611
ox
em (4)
a
=< $612
N ra (Vv)
ne ae
iS S613
eS (3D Al EQ)
—L
Ne
to
cer
ox $608
fe ai 2 (SEAT POSITION)
—
FW601B AN +811)
i (2 D.GND
CS/REQ
Ee ae
[| | Pe SA DATA
(7) FL2
(8) SYNC
R648 wk (9) DECK REQ
(10) S.DATA
a. VOL LATCH
Sa
et ae
(12) A.GND
SH-EH750
To Eq main
CIRCUIT(FW601A)
on SCHEMATIC
DIAGRAM-9
To E] main
CIRCUIT(FW602A)
on SCHEMATIC
DIAGRAM-9