7.
Circuit Diagrams and PWB Layouts
Small Signal Board (AA): Dolby Pro Logic Processor
A/D
DECODER
NICAM
Switching Facilities
IDENT
HEADPHONE R
SCART-L
SCART-R
SCART-R
SCART-L
D/A
D/A
LOUDSPEAKER R
SCART
D/A
SCART 4
A/D
SCART 2
D/A
LOUDSPEAKER L
D/A
DSP
I2SL/R
I2S INTERFACE
I2SL/R
FM1
HEADPHONE L
FM2
SCART 3
D/A
IDENT
LOUDSPEAKER
DEMODULATOR
NICAM B
NICAM A
HEADPHONE
SCART 1
AUDIO PLL
5
6
5A67 H5
B6a,B14a
B6a
9A60 B9
9A61 F12
B1-B20
B6a
IAB2 C12
B5a
5A60 E13
5A61 D10
IAB1 C9
B6a,c
IAA0 B1
IAA1 E12
IAA9 C7
B6b
B6a
B14d
IAA2 B8
B6a,c
B14b(3X)
B6a,c
1
3
4
2
3AB2 D9
3AB3 E12
B6a
7
B6a,B14a
B14b(3X)
B6b
B6b
8
9A65 B10
IAB0 D7
7A63 C3
A
B
C
5A37 B2
2AN2 G1
2AN3 B5
3V8
6V5
6V5
6V5
DOLBY PRO LOGIC PROCESSOR (NOT USED)
B6a
B5a
IAA4 C9
B6a
IAA6 C11
IAA7 F11
IAA8 C6
B6b
5A66 B5
B6a
B6a
B14a
3AB0 E12
2AL8 C12
2AL9 C12
B6a
7A61-B B10
7A62-B D10
B6a
3AB9 E9
3AC8 B5
12
13
5A31 H12
5A32 H12
5A33 H12
2AN1 E10
2AK3 B7
2AK4 B7
6V5
B14d
IAA3 E9
IAA5 D2
B6a,c
5A62 B13
5A63 B10
5A64 B5
5A65 B5
3AA1 B12
3AA2 F1
B6b
3AA6 B9
3AA7 C12
3AA9 C12
2AL6 E11
10
11
B6a
B6a
7A61-A B12
7A62-A E12
3AB5 F12
3AB6 E10
3AB7 F12
3AB8 E10
2AM4 E13
2AM5 D9
5A23 D1
5A24 D1
2AM8 B11
2AM9 F12
2AN0 E9
2AK2 B7
2AC0 E1
2AD7 B2
0V2
2AN4 B5
2AN6 D8
2AN7 G5
2AN8 B6
2AN9 H5
3A70 B2
3A71 B2
3AA0 B9
2AK9 B6
2AL0 B12
3AA4 C10
3AA5 C12
2AL3 B9
2AL4 B11
2AL5 B13
9
B6a,B14a
G
H
2ALA F11
2AM0 C10
2AM1 E13
2AM2 E11
2AM3 E7
2AD8 H12
2AD9 B2
2AM6 F12
2AM7 D9
2AF2 A2
2AK0 G5
2AK1 G6
2AB9 D1
11
12
B6b
B6a
4
5
2AN5 D7
2AK5 B6
2AK6 D2
2AK7 D2
2AK8 B6
2AL1 B9
2AL2 B11
8
D
A
B
C
D
B14b
E
F
B1
E
F
2AE0 H12
2AE1 H12
B6b
5A66
G
H
13
1
2
3
9
1
0
6
7
100p
2AM8
100MHZ
2AL4
1n
+11V_AUD
2AN0
1u
IAB1
IAA8
IAA9
+11V_AUD
A16
5A63
100MHZ
1u
2AK0
IAA3
100K
3AB3
SC2-OUT-L
26
SC2-OUT-R
25
SC2_IN_L
41
SC2_IN_R
42
SC3-IN-L
38
SC3-IN-R
39
SC4-IN-L
35
SC4-IN-R
36
63
STANDBYQ
TESTEN
53
TP1
56
VREF1
27
VREF2
19
VREFTOP
46
XT
AL_IN
54
XT
AL_OUT
55
12
I2S-D
A-IN2|3
5
I2S-D
A-OUT1
I2S-WS
4
15
I2S-WS3
MONO_IN
47
NC1
58
NC2
59
NC3
64
NC4
13
NC5
22
NC6
24
RESETQ
16
SC1_IN_L
44
SC1_IN_R
45
SC1_OUT_L
29
SC1_OUT_R
28
30
CAPL-A
32
CAPL-M
D-CTR-IO0
61
D-CTR-IO1
60
DACA-L
18
DACA-R
17
DACM-SUB
23
DACM_L
21
20
DACM_R
DV
S
S
11
DVSUP
10
I2C_CL
1
I2C_DA
2
I2S-CL
3
14
I2S-CL3
6
I2S-D
A-IN1
9
ADR-CL
7
ADR-D
A
8
ADR-WS
62
ADR_SEL
AGNDC
34
AHVSS
33
AHVSUP
31
ANA-IN2+
52
ANA_IN-
51
50
ASG0
43
40
ASG1
ASG2
37
A
U
D-CL-OUT
57
AV
S
S
48
A
V
SUP
49
DPL4519G
7A63
IAA1
2AK7
10u
3AA1
47K
47K
3AB0
+5DB
A15
10p
2AN3
2AL9
33p
1n
2AN2
10u
2AK9
A14
100R
3A71
100n
2AM1
+8VC
9A65
9A61
A
3AA7
18K
5A65
100MHZ
A
1n
2AM7
2AN8
10p
2AN4
10p
15K
3AB9
33p
2AN1
2AB9
2A
C0
10p
2AK3
1n
10p
2AL0
100n
IAB2
2AN6
10u
9A60
2AK5
1n
2AK8
10u
100n
2AK6
100n
IAA2
100MHZ
5A37
2AM6
3AA2
100R
68K
3AB5
7A62-A
LM833D
3
2
1
8
4
3AA5
100K
7A61-B
LM833D
5
6
7
8
4
10p
2AE1
2AE0
10p
IAA0
A
47K
3AB2
3AA6
6K8
100n
2AM2
A
3AA4
47K
2AN5
100n
2AL2
1u
100p
2AF2
A13
2AL3
1n
18K
3AB8
2AM4
100p
5A24
100MHZ
100MHZ
5A23
IAA5
IAA6
2AN7
10n
33p
2AM9
2AL6
100p
5A62
100MHZ
8
4
+5DB
2AK4
1u
A10
LM833D
7A61-A
3
2
1
100MHZ
5A61
A9
6K8
3AB7
100R
3A
C8
1n
2AM3
5A32
100MHZ
10p
2AD8
3A70
A12
100MHZ
5A67
100R
IAB0
2AM0
33p
+5DA
2AL1
1u
IAA7
2AD7
1n
1u
2AM5
3AB6
100K
2AK2
1u
IAA4
100MHZ
5A33
1u
2AL8
100MHZ
5A60
7A62-B
LM833D
5
6
7
8
4
3AA0
47K
3AA9
15K
1n
2AD9
100MHZ
5A31
+11V_AUD
A11
100p
2AL5
+5DB
5A64
100MHZ
10p
2AN9
1n
2ALA
1n
2AK1
SEL_IN_1
SEL_IN_2
I2S-IN-F
I2S-MSP-CLK
I2S-MSP-OUT
I2S-BO-OUT
SEL_IN_1_F
SEL_IN_2_F
I2S-BO-IN
I2S-BO-WS
I2S-BO-CLK
I2S-MSP-WS
SYS-RESET-MAS
SYS-RESET
SYS-CLK1
I2S-DD-OUT
I2S-DD-WS
I2S-DD-CLK
SDA-F-DD
SCL-F-DD
SCL-F-AUD
SDA-F-AUD
REF-A
UD
REF-AUD
SURR-L
SURR-R
REF-A
UD
SUBW
REF-AUD
AUDIO-C
I2S-DPL-OUT
+11V_AUD
MSP-CENTER
MSP-SURR
A
U
DIO-SW
-NF
I2S-DPL-CLK
I2S-DPL-WS
SYS-RESET
SYS-CLK0
CL 36532064_016.eps
291204
8204 000 8299.3