Technics SU-A909 Service Manual page 59

AN6558F
IC101
Phono
PHONO
EQ amp.
PLAY(IN)
TAPE1
REC(OUT)
PLAY(IN)
TAPE2/MD
REC(OUT)
TUNER
CD
DVD
S804
( SELECTOR)
KEY SWITCH
(S801,802)
40 41
26 25
D812
D818
(ON) (VIA TONE)
( )
+B3 +B3
+B3
Z801
(REMOTE
SENSOR)
TC9163N
IC201
INPUT SELECTOR
(18) (12)
X8
11 17
(10)
X7
19
(8) (9)
21 X6 20
(7)
22 X5
(6)
X4
23
(2) (5)
X1 24
27
(3)
1
X2
26
Vss -B1
(4)
28
25 X3
V +B1
DD
14
GND
13
Mode 15
select
16
X701
(8MHz)
19 20 9 10
M38503M2404F
MICRO COMPUTER
24 6 14
2
DATA
D811
BU2090AFE2
IC801
+B3
LED DRIVE
Q0~2,
V
DD 4~10
16 4~6,
8~15
+B3
+B3
TC9164N
IC202
INPUT SELECTOR
(2) (6)
X1
27 23
(3)
26
X2
(4)
X3
25
(5)
X4
24
17
X7
19
X8
12
11
1
Vss
28
V
DD
14
GND
13
15 Mode
select
16
+B3
Q701,
Reset
D712
16
11 18
IC701
13 12 2 15
3
CLK
D702
+B3
/
V
SS
S805
1
(UNIT ON/OFF)
D801~808,817
(PHONO/TUNER/CD/
DVD/AUX/TAPE1/
TAPE&MD/SOURCE)
RL201
Q201,202
Relay
+B2
drive
Q203,204
Relay
+B2
drive
+B1
+B1
-B1
+B1
27 29 32
17
7
BACKUP
3 21 4 1
D704
D701
+B3
RL202
D705