AD
U
W
Y
AA
AC
V
X
Z
AB
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
20dB
AMUTE SW
SYNC BUSY
SYNC DA
T
A
SYNC 8/16
FL
CK
FL
DI
FL
DO
FL
ST
FL
RST
DSP
IC
TEXT
TX
TEXT
RX
SCK
SI
SO
A
VREF1
DSP
CSB
DSP
CSA
A
VSS
DSP
SURRENC
DSP
NONPCH
CODEC AUDIO
NO USE
NO USE
CODEC FREQ0
CODEC FREQ1
DA
T
A
DET
.
A
VREFO
A
VDD
DSP AC3
DSP DTS
CODEC AC3
CODEC ERR/OVR
CODEC CS
REM1
REM0
RESET
XT1
XT2
VSS
X1
X2
VDD
CE
VOL. CK
VOL. DA
VOL. ST
TONE ST
V MUTE
IR D0
IR D1
IR D2
IR D3
IR D4
IR D5
IR D6
IR D7
VDD
TSW3
TSW2
TSW1
TSW0
RENC A
RENC B
NO USE
T
MUTE
T C
K
T D
A
T D
0
T C
E
VPP
T S
D
T
STEREO
S1 V1
S1 V2
S1 V3
S1 V4
S1 AUX
S1 OUT
AMUTE S
AMUTE MAIN
RELAY SPA
RELAY SPB
RELAY SPC&S
RELAY POWER
RELAY SECOND
PROTECTION I
PROTECTION V
Ir RECEIVER ON/OFF
SEL CK
SEL DA
SEL ST1
ATT3
ATT6
TAPE2 LED
IR RWR
IR REN
IR REQ
VSS
CODEC
DSP
X71
12.5MHz
35
34
33
32
46
48
47
49
50
R717
3.3K
C709 100P
C710 100P
R721 47K
R720 47K
R718 47K
R719 47K
R873 100K
53
54
55
60
59
58
62
63
65
R728 47K
R727 47K
R726 47K
R725 47K
R724 47K
R723 47K
R722 47K
R730 220
R729 220
98
99
97
D7
7
3
2
1
1
2
7
6
4
5
REQ
RER
REN
6
26
28
27
27
28
25
26
23
24
25
24
22
23
12
11
9
8
10
REMO
VDD
XOUT
XIN
14
13
WDO
GND
RST
17
D5
D6
D3
D4
19
20
21
18
D0
D1
D2
15
16
8
6
7
4
5
1
3
2
R715
3.3K
4700P
C711
R716
1M
5
4
3
2
1
CLK
SCK
SO
SI
GND
25
26
28
27
29
30
24
23
20
21
19
18
17
R815
47K
R714 33K
R713 33K
R711 33K
R712 33K
R820 33K
R818 33K
R710 33K
R775
3.3K
R819 3.3K
R817 3.3K
1
2
3
4
5
7
6
8
R767 100
R766 100
R765 100
R764 100
R760 100
R761 100
R763 100
R762 100
R758 100
R759 100
R757 100
97
98
99
X72
3.64MHz
0.1
C708
C712
0.01
100
R756
R774
1M
C714 100P
15
14
C713 100P
R768 3.3K
R770 3.3K
R705 10K
R708 47K
R706 47K
R704 47K
R703 10K
12
R701 10K
R702 47K
R771 10K
R769 10K
R773
R81
1 3.3K
R812 3.3K
R814 470
R813 3.3K
R816 3.3K
R709 47K
RST
VPP
3
VDD
2
1
31
4.7
R808
1
C703
R801 820
1K
R800
C804 100u10
+
0.047F5.5
C803
+
R806
1K
R805
10K
1K
R803 100K
1u50
C802
+
R802
10K
VDD
VDD
VDD
VDD
VDD
VDD
100P
C704
10K
R807
GND
OUT
IN
0.01
C801
1/4W
74
73
75
C862
100P
L82 100uH
C858
330P
1K
R871
1000P
C857
1K
R868
R866 22K
1K
R867
R870
10K
4.7K
R869
R872
R863
1K
C856 0.082
L81 100uH
R865
470
1/4W
C861 100P
R861 47K
R862
1K
R883 1K
12K
R877
R879
1K
R876 2.7K
100
R878
22K
470 1/4W
R881
470 1/4W
R882
100P
C863
100P
C864
0.1
C866
C854
220P
C855
220P
R864
10K
100
0.01
C865
TX
RX
L83
L84
DATA
GND
BUSY
C853 0.1
SL16
XS8
78
68
69
220P
C852
220P
C851
77
76
66
67
70
66
65
67
R777 470
R789 3.3K
R788 3.3K
R797 1K
R796 1K
R752 1K
R750 470
R751 1K
R747 3.3K
R748 1K
R749 1K
R746 3.3K
R772
C705 0.01
R753 10K
R754 10K
C706 0.01
R776 3.3K
R744 3.3K
R745 3.3K
95
94
93
92
91
89
88
87
85
86
84
82
83
82a
81
80
79
R732 220
R733 220
R736 220
R735 220
R737 3.3K
71
72
R738 3.3K
R739 3.3K
73
74
75
R742 3.3K
R741 3.3K
96
75
74
73
1K
330
100K
R859
R860 100K
R855 100K
R854 330
R853 330
R851 100K
R852 100K
R856 100K
78
68
69
76
77
R880
R804
77
76
69
68
77
76
69
68
R857
R858
VDD
VDD
VDD
10K
R743
R740 47K
+5.8V
+13.7V
+5.8V
+13.7V
+13.7V
+13.7V
+13.7V
+5.8V
+5.8V
+5.8V
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
A
VREF
VDD
VDD
VDD
VDD
44
Q853
VDD
+5.8V
+13.7V
+5.8V
+5.8V
VDD
VDD
VDD
VDD
47K
R755
10K
100
17V
+17V
17V
+17V
17V
+17V
17V
+17V
IC71
IC72
IC81
5.1V
0V
0V
4.8V
0V
4.7V
4.9V
4.9V
4.2V
0V
0V
4.8V
0V
0V
0V
0V
4.9V
0V
4.6V
0V
0V
0V
0V
4.5V
4.9V
4.9V
0V
0V
4.7V
0V
0V
4.8V
4.7V
0V
0V
0V
0V
0V
0V
0V
4.9V
0V
5.1V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
4.9V
0V
0V
0.5V
0V
0V
0V
0V
4.9V
0V
0V
4.2V
0V
5.1V
5.1V
5.6V
5.6V
5.6V
5.6V
5.5V
4.9V
0V
0V
0V
0V
5.1V
0V
2.6V
4.9V
2.3V
5.0V
0V
5.0V
4.9V
4.4V
0V
0V
0V
5.1V
5.1V
0V
5.0V
0V
0V
0V
0V
0V
0V
0V
0V
2.3V
2.5V
5.1V
0V
5.1V
13.4V
13.4V
13.4V
0V
0V
0V
0V
13.4V
0V
4.8V
0V
0V
5.3V
0V
5.3V
5.3V
0V
D704
D703
D701
D702
u-COM
REMOTE
SYSTEM u-COM
TEST PIN
D708
D803
Q801
RESET
BACK UP
CON.
D801
D802
RESET IC
IR OUT
J83
LCD
REMOTE
A
D861
J84
IN
DC12V 15mA
IR RECEIVER
IR INPUT AMP
Q853
Q854
Q855
Q851
D860
Q852
J85
J82
D804
AMP
Q856
Q857
REPEATER
OUT
IR
SL16
TEXT
REPEATER
OUTPUT AMP
S1
J81
SYSTEM
CONTROL
AMP
IR INPUT
D852
D851
D706
D707
D705
D854
D858
D853
D857
D855
D856
(X08-297X-XX) (A/10)
KRF-V7772D(K)
SD2,2P(
99.10.29
10:18
AM
y [ W 6