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5-1.
BLOCK DIAGRAM – MAIN Section –
J502
LOW-PASS
LINE AMP
L
FILTER
IC508
IC507
ANALOG IN
R
R-CH
BUFFER
IC505
D503
D504
SD1
+
R-CH
SD3
SD2
BCK
LRCK
MCLKI
USB CODEC
IC501
J501
6 PUR
2
D+
7 DP
3
D–
8 DM
USB
4
EEPROM
VBUS
IC504
SDA
5
41 SDA
SCL
6
42 SCL
51
50
10
2
9, 21, 37
X501
6MHz
RESET SIGNAL
GENETATOR
IC510
OPTICAL
OPTICAL IN
RECEIVER
IC503
SECTION 5
DIAGRAMS
CODEC,
A/D, D/A CONVERTER,
ELECTRICAL VOLUME
IC805
IC604
30
LIN+
L-OUT
27
4
LINA
LOUTA
3
29 LIN–
SL-OUT
25
10 LINC
LOUTC
9
C-OUT
24
7 LINB
LOUTB
6
SW-OUT
23
22 RINB
ROUTB
23
6 SDTI1
7 SDTI2
SDTO
9
8 SDTI3
4 BCLK
15 14 16
5 LRCK
39 MCLKI
LEVEL SHIFT
IC601
70 69 68
CDTI
43
1 CO-DI
CCLK
42
2 CO-CLK
SYSTEM CONTROLLER
IC802 (1/2)
CS
41
100 CO-CS
S/M
3
98 CO-S/MUTE
PD
17
99 CO-PD
81 AUDIO DEC
24
19
35 36 38 37
DIGITAL AUDIO
TRANSMITTER
IC502
DOUT1
36
13 SDATA
TX+
18
3 DIN0
BCK
34
11 SCLK
4 DIN1
LRCK
35
12 SYNC
MCLKO
44
6 MCLK
P3.1
15
5 CLK0
P1.0
24
4 CLK1
P3.4
19
3 L
RST
22
21
15
DIGITAL AUDIO
DVDD
INTERFACE RECEIVER
IC801
X803
12.288MHz
USB ON/OFF
USB
SWITCH
+3.3V
Q501, 502
HEADPHONE AMP
IC605
MUTING
MUTING
Q613
Q700
MUTING
MUTING
CONTROL SWITCH
CONTROL SWITCH
Q821, 822
Q710, 711
PRE AMP
IC607
PRE AMP
IC606
PRE AMP
IC608
MUTING
MUTING
MUTING
MUTING
Q608
Q603
Q611
MUTING
MUTING
MUTING
CONTROL SWITCH
CONTROL SWITCH
CONTROL SWITCH
Q605, 606
Q601, 602
Q609, 610
65
27
28
20
23
22
85
18
6
7
8
13
14
15
17
16
12
11
D804
D807
17
48
35
33
34
36
32
56
7
68
113
2
SDO1
18 SDI1
SDO2
DATA
16
30 SDI2
SDO3
BCK
14
29 BCKI2
BCKO
LRCK
15
28 LRCKI2
LRCKO
CKOUT
13
22 KFSIO
SCKOUT
ERROR
34
59 EXLOCK
GP10
AUDIO
24
69 GP8
AUDIO DIGITAL
SIGNAL PROCESSOR
IC808
S-RAM
IC810
CS
6
44 CS0
WE
17
45 WE0
9
12
X804
13.5MHz
9
9
SS-US501/SW-US501/UZ-US501
R-CH
J701
PHONES
9
11
D451
7
5
R-CH
12
D452
3
17
D453
POWER AMP
IC401
Q612
15
19
21
14
D454
29
66
23
22
4
AMP-MUTE
44
15
2
16
SURROUND
AMP
11
IC402
R-CH
7
12
1
4
SD1
23
SD2
24
SD3
25
BCK
20
LRCK
19
MCLK
14
67
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
: USB
: OPTICAL IN
HP MUTING
A
(Page 10)
+
L
–
FRONT
+
R
TO FRONT/CENTER
J404 (1/2)
–
SPEAKER (L)/(R)
SPEAKER
(SS-US501)
+
L
–
CENTER
+
R
–
SP101
(SUB WOOFER)
+
L
–
TO SURROUND
J404 (2/2)
SURROUND
SPEAKER (L)/(R)
SPEAKER
+
(SS-US501)
R
–
MTR CTL
B
(Page 10)
(EXCEPT US)
AMP MUTING
C
(Page 10)
STANDBY
D
(Page 10)
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