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3-3. BLOCK DIAGRAM — MAIN SECTION —
D/A CONV.(FRONT)
IC301
DATA (FRONT)
2
D IN
VL
16
3
BCK
VR
13
1
LRC
5
XTI
22
RST
DATA
26
MD
CLK
27
MC
LAT
28
ML
D/A CONV.(FRONT)
IC1301
DATA (C/S)
2
D IN
VL
16
3
BCK
1
LRC
5
XTI
VR
13
22
RST
DATA
26
MD
CLK
27
MC
LAT
28
ML
D/A CONV.(FRONT)
IC2301
DATA (REAR)
2
D IN
VL
16
BCK
3
BCK
VR
13
LRCK
1
LRC
CLK(FRONT)
CLK(C/S)
CLK(REAR)
5
XTI
22
RST
DATA
26
MD
CLK
27
MC
LAT
28
ML
MUTE
MUTE
CONT
Q118
D183
MUTE
Q117
40
47 46 41
15 98
+5V
CN111
TX
10
SOT0
RX
9
SIN0
MD0
89
MD0
+5V
88
MD1
MD2
87
MD2
RST
FL601
FLUORESCENT
INDICATOR TUBE
FL DRIVER
IC602
Q602
43
G1
CLK
6
42
G2
CL
8
27
G17
LE
7
19
P1
D IN
9
12
P8
FL DRIVER
IC603
D OUT
2
IC607
43
P9
D IN
9
6
5
17
P35
CLK
6
CL
8
LE
7
16
ATT
IC305
L.P.F
AMP
IC303
5dB
IC304
1dB
3
1
3
1
29
26
24
R CH
MUTE
Q351,352
19
17 18
MUTE
SWITCH
Q113
D111
ATT
IC1305
L.P.F
AMP
IC1303
5dB
IC1304
1dB
3
1
3
1
29
26
24
MUTE
Q1351,1352
5dB
1dB
5
7
5
7
2
5
24
AMP
MUTE
IC1304
Q1301,1302
19
17 18
MUTE
SWITCH
Q1113
D1111
ATT
IC2305
L.P.F
AMP
IC2303
5dB
IC2304
1dB
3
1
3
1
29
26
24
R CH
MUTE
Q2351,2352
19
17 18
MUTE
SWITCH
Q2113
D2111
X181
4MHz
35
37
36
56 58 57
92
93
SYSTEM CONTROL
IC151(2/2)
90
52
55 51 53
X601
46 49 50 48 47
64
65
19
MODE CONTROL
IC601
24 25 23 26
52
53
32
33
22
12
KEY
MATRIX
S610
SW
BLOCK
STANDBY/
S651
ON
CN653
AU BUS
BUFFER
SPEAKER
CN654
CONTROL
Q681
SELECT
— 9 —
VOLUME
RV601
LINE AMP
IC306
23
3
1
2
GAIN
RY301
Q391
RELAY
DRIVE
Q306
RY302
RELAY
DRIVE
Q307
RY1301
RELAY
DRIVE
LINE AMP
Q1306
IC2306
23
3
1
LINE AMP
IC2306
8
5
7
RY2301
RELAY
DRIVE
Q2306
LINE AMP
IC1306
23
3
1
SWITCH
Q111
M
8
7
MOTOR
DRIVER
IC606
3
8
101105
107
64
D601
D602
18
65
28
66
RESET
62
Q601
IC604
3
RESET
1
IC605
SIRCS
SIRCS
27
3
1
RECEIVER
13
14
15 16 17
IC607
LED
LED
DRIVER
DRIVE
Q603-607
Q609
D651,652
D654-658
POWER AMP
IC601
6
IN1
NF1
7
LIMITER
Q601
4
IN3
OUT1
20
NF3
5
LIMITER
Q603
RELAY
OUT2
22
2
DRIVE
D711
IC701
SWITCH
1
Q702
4
CURRENT
D712
DET
Q701
D901
B+
B-
RY901
RELAY
DRIVE
Q905
D108
IC118,119,120
B+
POWER
RECT
IC101,102,105
SWITCH
IC602,603
D109
IC108-112
D907-910
Q941,942
B+
IC191,201
Q902, 903
B+
+5.6V
RECT
+5.6V
3
1
REG
D902
IC901
+5V
D/A 5V
3
1
REG
+20V
IC902
F1,F2
+12V
+12V
3
1
REG
RECT
D903-906
IC903
-12V
-12V
3
2
REG
• R-CH is omitted
• Signal Path
: DIGITAL
: ANALOG
— 10 —
TAD-M30
J102
FRONT
OUTPUT
J103
SUB
WOOFER
TB651
SPEAKER
L
RY701
RY701
R CH
R
CENTER
RY702
6
FAN
FAN
DRIVE
Q721,722
POWER
TRANSFORMER
T901
AC
F991
IN
F992
S991
VOLTAGE
SELECT
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