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A
(X88-1060-10)
1
4.3V
A2
L8
1
C14
0.1
OPT.
C15 0.1
2
INPUT
R23
10
3
+5V
DIGITAL
1/4W
C32 47P
INPUT
4.8V
J1
C28
L2
0.1
COAX.
INPUT
R44 75
C1
L1
0.1
RF INPUT
(AC-3 RF)
2
R41
DIGITAL
15
OUTPUT
COAX.
C23
R36
0.1
4.7K
2.5V
3
R37
4.7K
2.5V
5.0V
+5V
2.2V
(
88
)
1.7V
(
89
)
4
+5V
DOLBY DIGITAL/AC-3
RF DEMODULATOR
5
IC1
:
PM4007A
IC2
:
HM62256BLFP-8T
IC3
:
TC74HCU04AF
IC4
:
NJM2100M
IC5
:
TA7808S or
UPC7808AHF
IC6
:
TA7805S or
UPC7805AHF
CAUTION: For continued safety,
replace safety critical compo-
nents only with manufacturer's
recommended parts (refer to
parts list).
indicates safety criti-
cal components. For continued
protection against risk of fire,
6
replace only with same type and
rating fuse(s). To reduce the risk
of electric shock, leakage-current
or resistance measurements
shall be carried out (exposed
parts are acceptably insulated
from the supply circuit) before the
appliance is returned to the cus-
tomer.
The DC voltage is an actual
reading measured with a high
impedance type voltmeter. The
measurement value may vary
7
depending on the measuring
instruments used or on the prod-
uct.
B
+8V
RF AMP
16dB
Q2
7.0V
7.7V
5.0V
2.5V
C2
Q11
Q1
0.1
0V
R25
C7
0.1
47
R10
2.7K
4.6V
3.9V
1.8V
R26
1K
C5
+
0.1
C30
R42
0.1
47K
IC3
COAX
2.5V
R43
DRIVER
0.8V
4.7K
2.7V
5.0V
0V
0V
5.0V
+5V
5.0V
L3
C26
R39
C33
0.1
330
220P
0V
+5V
5.0V
0V
5.0V
5.0V
81
AVDD
SW
82
+
83
-
84
DAI
AGND
CONTROL
85
TM4
86
ERROR
VDD
CORRECT
87
DIN
88
89
90
91
GND
92
WINGT
93
SYST0
94
SYST1
95
ADST0
96
ADST1
97
TIMING
ADRRES
TM5
CREAT
CREAT
98
BUNRI
99
AGND
100
AVDD
5.0V
5.0V
IC1
+5V
Q10
4.9V
RESET
Q1,3,11
:
2SC2714(O,Y)
D1,2,12-14,17
Q2,4
:
2SA1036K(Q,R)
:
MA111
Q5
:
UN5119 or
D3-5
:
DA204U
DTA113ZUA
D11
:
B30-2510-05
Q6,7
:
UN5211 or
D15
:
UDZ5.1B
DTC114EUA
D16
:
B30-2509-05
Q8,10
:
UN5212 or
D18
:
U1BC44
DTC124EUA
Q9
:
2SB1424(Q,R)
+B
UN5119
UN5211
2SA1036K
2SC2714
PM4007A
TA7805S
C
+8V
+8V
RF AMP
20dB
Q4
2.88MHz
7.7V
7.1V
B.P.F.
L6
2.4V
3.7V
R11
C8
Q3
1K
0.1
IN
OUT
R21
GND
1.8K
1.7V
C10
+
0.1
2.4V
S1
D3
2.5V
(1/2)
INPUT SW
OFF
OPT.
COAX.
A1
+
+5V
C24
47P
1.6V
1.9V
0V
1/2048
PHASE
S/P
f/n
COMPARATOR
1/2
SYNC
DETECT
PROTECT
DEMODULATOR
46.08MHz
OSC
5.0V
+5V
+5V
0.6V
D17
C65
0.047
IC5
+8V AVR
8.1V
OUT
IN
GND
+
+5V AVR
L4
+
+
SIGNAL LINE
L5
GND LINE
+B LINE
UPC7805AHF
TC74HCU04AF
UPC7808AHF
DA204U
DEM-9991D
Y13-2060-10
D
LOCK
(GRN)
D11
5.8V
5.7V
+
4.0V
LOCK
Q6
5.5V
Q7
5.4V
POWER
LED
ON/OFF
5.0V
IC4
INVERTER
(2/2)
4.9V
Q5
5
+
7
6
-
DUTY
DETECT
0V
2.5V
D5
5.0V
2.4V
8
2
R35
1
-
3
10K
+
D4
2.4V
4
IC4
(1/2)
+5V
C71 0.1
5.0V
IC2
ERROR CORECT
DATA HOLD
50
5.0V
(SRAM)
50
5.0V
49
5.0V
49
48
5.0V
15
14
I/O3
GND
47
5.0V
16
13
5.0V
I/O4
I/O2
46
5.0V
17
12
5.0V
I/O5
I/O1
5.0V
5.0V
45
18
11
I/O6
I/O0
44
5.0V
19
10
0V
I/O7
A0
20
9
0V
CS
A1
43
1.2V
21
8
0V
A10
A2
42
5.0V
22
7
0V
OE
A3
41
1.2V
23
6
0V
A11
A4
40
5
0V
GND
A5
39
1.2V
24
A9
38
1.2V
25
4
2.0V
A8
A6
37
0V
26
3
A13
A7
36
5.0V
27
2
WE
A12
5.0V
28
1
VCC
A14
35
0V
1.2V
34
33
5.0V
VDD
32
GND
31
1.2V
C70
0.1
C69
0.1
2.0V
+5V
+8V
+8V
POWER
12.1V
12.2V
L7
ON/OFF
Q9
+B
+B
+B
12.1V
R73
1K
11.5V
R24
100K
R71
S1
15 1W
(2/2)
POWER SW
IC6
10.3V
OFF
ON
ON
OUT
IN
+5V
+B
GND
5.0V
+
+
DEM-9991D
UN5212
E
+8V
POWER
(RED)
0V
Q8
+5V
49
50
51
17
18
19
20
21
22
30
DC IN
DC12V/
200mA
J2
1
2
3
TA7808S
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