Panasonic SC-UA7E, Руководство по обслуживанию

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38
SC-UA7E/PC/PH/PR AUDIO (2/2) BLOCK DIAGRAM
1
2
TO AUDIO
BLOCK (1/2)
-
+
4
CN3502
3
CN3502
-
+
2
CN3502
1
CN3502
+
-
3
CN3501
4
CN3501
+
-
2
CN3501
1
CN3501
LEFT SUB WOOFER
RIGHT SUB WOOFER
LEFT FRONT
RIGHT FRONT
SPEAKERS
DAMP P.C.B.
: TUNER/AUX/MIC SIGNAL LINE
: OUTPUT SIGNAL LINE : FM SIGNAL LINE
42 XO
41 XI
X4001
DSP
IC4001
MAIN P.C.B.
DSP SDO0
8 SDIN1
10 BCK
9 LRCK
FROM
SYSTEM CONTROL
DIGITAL AMPLIFIER
IC3001
FROM/TO
SYSTEM CONTROL DSP SDO0
DSP BCK
DSP BCK
DSP LRCK
DSP LRCK
PWM2B 29
L3000
1
4
3
2
L3001
4
1
3
2
PWM1A 28
5
6
INPUT A
INPUT B
35
40
32
28
OUT B
OUT C
OUT A
OUT D
OUT A
OUT D
16
17
/FAULT
/OTW
PWM1B 27
PWM2A 30 14
15
INPUT C
INPUT D
DIGITAL AMPLIFIER
IC3101
PWM4A 34
L3100
1
4
3
2
L3101
4
1
3
2
PWM4B 33
5
6
INPUT A
INPUT B
35
40
32
28
39
27
OUT B
OUT C
OUT A
OUT D
OUT A
OUT D
16
17
/FAULT
/OTW
DIGITAL AMPLIFIER
IC3201
L3200
1
4
3
2
L3201
4
1
3
2
5
6
INPUT A
INPUT B
35
40
32
28
39
27
OUT B
OUT C
OUT A
OUT D
OUT A
OUT D
16
17
/FAULT
/OTW
FR- HI
FL+ HI
FL- HI
FR+ HI
FR- HI
FL+ HI
FL- HI
FR+ HI
D3000
8
DSP RESET
2 RST N DSP RESET1
DSP MUTE
3 SMUTE DSP MUTE
5 SCL
4 SDA
Q3500
Q3501
DC DETECT
CIRCUIT
+38V
DC DET AMP
DC DET AMP
D3001
Q3503
Q3502
DAC
IC4506
SDOUT2
LRCK
14
15
D IN
LRCK
6
7
OUTL
OUTR
BCKO 13
17
BCK
XSMT
LINE OUT SDO
LINE OUT LRCK
LINE OUT BCK
17
19
20
39
27
OP AMP
IC4800
3 A+INPUT
1
7
A OUTPUT
B OUTPUT
5 B+INPUT
+
-
JK6104
AUDIO OUT
2
1
3
R
L L-CH OUT
R-CH OUT
L-CH OUT
R-CH OUT
Q2002
MUTING
Q2001
MUTING
MUTING
CONTROL
+3.3V
QR2002
ADAC MUTE
FROM
SYSTEM CONTROL
ADAC MUTE
4 /RST
4 /RST
4 /RST
VALID 24
SW+ SW+
SW- SW-
DAMP RST DAMP RST
FL-
FR+
FL+
FR-
SW1+
SW1-
SW2+
SW2-
8 13
CN2503 CN2105
9 12
CN2503 CN2105
10 11
CN2503 CN2105
7 14
CN2503 CN2105
3 18
CN2503 CN2105
4 17
CN2503 CN2105
16 5
CN2503 CN2105
12 9
CN2503 CN2105