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Circuit Diagrams and PWB Layouts
Small Signal Board: Dolby Pro Logic Processor
1
2
3
DOLBY PRO LOGIC PROCESSOR
A
B14a
2AF2
I2S-BO-OUT
100p
B6a
5A37
I2S-IN-F
100MHZ
IAA0
B5a
3A70
2AD7
SEL_IN_1
B
100R
1n
B14d
SEL_IN_1_F
B5a
2AD9
3A71
SEL_IN_2
100R
1n
B14d
SEL_IN_2_F
7A63
C
DPL4519G
B6a
1
SCL-F-AUD
I2C_CL
B6a
2
SDA-F-AUD
I2C_DA
5A23
100n
0V2
46
B6b
SDA-F-DD
VREFTOP
100MHZ
IAA5
2AK6
51
ANA_IN-
10u
D
52
2AK7
ANA-IN2+
5A24
B6b
SCL-F-DD
50
ANA_IN1+
100MHZ
47
MONO_IN
SCART 4
36
SC4-IN-R
E
35
SC4-IN-L
SCART 3
39
SC3-IN-R
38
SC3-IN-L
SCART 2
42
SC2_IN_R
41
SC2_IN_L
SCART 1
F
45
SC1_IN_R
B6a
SYS-RESET
44
SC1_IN_L
B6b
SYS-RESET-MAS
19
27
G
A
H
8204 000 8320.2
1
2
3
FTP1.1E
4
5
6
(NOT USED)
+8VC
IAA8
8
7
9
62
4
3
15
14
5
6
12
31
I2S INTERFACE
I2SL/R
I2SL/R
FM1
DEMODULATOR
FM2
NICAM
NICAM A
DECODER
NICAM B
D/A
LOUDSPEAKER R
DSP
IDENT
IDENT
LOUDSPEAKER L
D/A
A/D
D/A
SCART-L
HEADPHONE R
HEADPHONE
HEADPHONE L
D/A
A/D
SCART-R
D/A
SCART-R
SCART-L
D/A
SCART
Switching Facilities
AUDIO PLL
33
37
40
43
48
56
11
53
57
58 59
60
61
64
49
54
+5DA
A16
4
5
6
7.
55
7
8
9
+5DB
IAA2
2AL1
1u
LM833D
IAB1
IAA4
IAA9
30
32
63
STANDBYQ
+5DB
10
DVSUP
16
RESETQ
23
DACM-SUB
2AM5
34
3V8
AGNDC
1u
IAB0
20
DACM_R
LOUDSPEAKER
2AM3
IAA3
21
DACM_L
1n
17
DACA-R
3AB9
18
DACA-L
15K
A
25
SC2-OUT-R
26
SC2-OUT-L
28
SC1_OUT_R
SC1_OUT_L
29
55
13 22 24
B
7
8
9
10
11
12
+11V_AUD
2AL0
+11V_AUD
100n
2AL2
7A61-A
5
8
3
8
7A61-B
LM833D
5A63
1u
1
7
100MHZ
6
2
4
4
3AA4
IAB2
3AA5
6V5
6V5
47K
100K
3AA7
18K
IAA6
2AM0
3AA9
2AL9
33p
15K
33p
A
+11V_AUD
7A62-B
5
8
LM833D
5A61
7
100MHZ
6
4
3AB6
6V5
100K
2AM2
7A62-A
3
8
3AB8
LM833D
5A60
100n
1
18K
100MHZ
2
2AN1
4
IAA1
33p
3AB3
6V5
100K
3AB5
68K
3AB7
2AM9
6K8
33p
A
IAA7
9A61
5A31
100MHZ
2AD8
5A32
10p
100MHZ
2AE0
5A33
10p
100MHZ
2AE1
10p
10
11
12
13
2AB9 D1
7A61-B B10
2AC0 E1
7A62-A E12
2AD7 B2
7A62-B D10
2AD8 H12
7A63 C3
2AD9 B2
9A60 B9
2AE0 H12
9A61 F12
2AE1 H12
9A65 B10
2AF2 A2
IAA0 B1
2AK0 G5
IAA1 E12
A
2AK1 G6
IAA2 B8
2AK2 B7
IAA3 E9
2AK3 B7
IAA4 C9
2AK4 B7
IAA5 D2
2AK5 B6
IAA6 C11
2AK6 D2
IAA7 F11
2AK7 D2
IAA8 C6
2AK8 B6
IAA9 C7
2AK9 B6
IAB0 D7
B
2AL0 B12
IAB1 C9
B14b(2X)
2AL1 B9
IAB2 C12
5A62
SURR-R
2AL2 B11
100MHZ
2AL3 B9
2AL4 B11
2AL5 B13
2AL6 E11
2AL8 C12
2AL9 C12
2ALA F11
C
2AM0 C10
2AM1 E13
2AM2 E11
2AM3 E7
2AM4 E13
2AM5 D9
2AM6 F12
B6a,c
REF-AUD
2AM7 D9
2AM8 B11
D
2AM9 F12
2AN0 E9
2AN1 E10
B14b(2X)
SURR-L
2AN2 G1
B6a,c
REF-AUD
2AN3 B5
+11V_AUD
2AN4 B5
2AN5 D7
2AN6 D8
2AN7 G5
NC
E
2AN8 B6
AUDIO-C
2AN9 H5
3A70 B2
3A71 B2
3AA0 B9
3AA1 B12
3AA2 F1
3AA4 C10
3AA5 C12
3AA6 B9
F
3AA7 C12
B6a
MSP-CENTER
3AA9 C12
3AB0 E12
3AB2 D9
3AB3 E12
3AB5 F12
3AB6 E10
3AB7 F12
3AB8 E10
G
3AB9 E9
B6a
I2S-MSP-CLK
3AC8 B5
B6a
I2S-MSP-WS
5A23 D1
B6a
5A24 D1
I2S-MSP-OUT
5A31 H12
5A32 H12
B6a,B14a
I2S-BO-IN
5A33 H12
5A37 B2
5A60 E13
B6a,B14a
I2S-BO-WS
H
5A61 D10
5A62 B13
B6a,B14a
5A63 B10
I2S-BO-CLK
5A64 B5
5A65 B5
5A66 B5
5A67 H5
CL 36532075_023.eps
7A61-A B12
151003
13
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