Philips 32PF9968/10 Service Manual page 55

Circuit Diagrams and PWB Layouts
Class D Audio Amplifier (32")
1 2 3
CLASS D AUDIO AMPLIFIER (26" & 32" ONLY)
C
POWER LINE FILTER
A
5001 F007
F001
1003
3
2
2002 2003
2001
1 100n 100n
220u
35V
B3B-PH-K
F002
B
PGND PGND PGND
PGND
5004
AUDIO-L
2u2 EMC
2008
100p
1002
PGND
F003
1
C
F004
5002
2
F005 AUDIO-R
3
2u2 EMC
4
5003
5
2u2 2051 2006 2007
6
EMC 100p 100p 100p
7
RES
F006
8
CGND PGND PGND PGND
9
CGND PGND
5005
SOUND-ENABLE
D
2u2 EMC
2027
100n
PGND
PGND
E
F
G
H
3139 123 5970.2
1 2 3
LC4.8L LA
4 5
HVPI-L
VP
3001
F008
2012
3007 2016
VP_SGN
220u 2n2
47K
10R 35V
2048 2004
100n 220u
CGND
35V
PGND PGND
2064 RES
I001 3004 2013 I003 3008
I002
10K 2K2
220n
3013
2009 VP_SGN
10K
100p
3003 CGND
PGND
22K
I004
3039
6001
3002
5K6 RES
10K
3038
6002
PGND PGND 2047
68K
1u0 BAT54 COL
RES
I025
PGND PGND
SD2 ONLY
3046
I008
1K0
4003
I009
2028
SD1 ONLY
3044
100n 33K
RES
I010
3045 7005
BC847BW
RES
10K RES
PGND
HVPI-R
I019
4001
RES
VP
2029
3024 2032
220u
47K
2n2
35V
3034 CGND
3K9
2065 RES
2039
2041 3020 2033 3025
10u
I041
10u 2K2
3028 10K 220n
I042
10K
1 3
7V7
I040
3019
4
7004
3033
2V5 TL431ACDBV
10K
10K
I043 6003
2 5 BAT54 COL
3021
4K7
I026
CGND
I022
3047
CGND
1K0
PHASE INVERTER (UNITY GAIN)
4 5
7. 55
6 7 8
HVPI-L
2014
2n2 VP
2015 3006
2n2
1K0
I027
2020
220p
3005
0R
3037 3010 I011
I028
3K9 6K8
3012 2021
10R 220p
VP_SGN VP
2062 I029 3009 2017
PGND
47n 220K PGND
100n
7000
5006
I013
17V9 18 18V2
TDA8931 5
Φ
VDDA VDDP
33u / 2.7A
POWER 2018
3011
COMPARATOR 15n
9V 3 16 8V5 2K2
IN- OUT
I005 4
IN+
17 I014 19V8 2019 2u2
I030
BOOT
50V
I006 5V6 6 14 I015 12V5
POWERUP STABI
3042 10K
8 I031 12V5
DIAG
I007 3V 7 13
9V
G HVP
I012
HVPI-L
PGND 12 19 9V
OVP HVPI
2026
2010
220n
VSSD
100n
CGND VSSA VSSP
9 2 15 1 10 1120
PGND PGND
PGND PGND PGND
HVPI-R
2049
4u7
VP
2030
2031 3023
2n2
PGND 2n2 1K0
2035
220p
3022
22R
I033 3032 3026 I035
3K9
6K8
3030 2036
VP_SGN VP
10R 220p
2063 I034 2034
3027
220K
47n 100n
PGND
PGND
7001
TDA8931 5 17V9 18 18V2
I023 5007
Φ
VDDA VDDP 8V5
33u / 2.7A
POWER
3029
COMPARATOR 2K2
2038
9V 3 16
IN- OUT
15n
4
I020
19V8
IN+ I024
17 2037 2u2
I036
BOOT
I037 50V
5V6 6 14 12V5
POWERUP STABI
I038 3043 10K
8 12V5
DIAG
3V 7 13 9V
G HVP
I016
HVPI-R
12 19
9V
OVP HVPI
2044 2040
VSSD 220n
CGND VSSA VSSP 100n
9 2
15 1 10 11 20
PGND
PGND
PGND PGND PGND PGND
6 7 8
9 10 11
2022 2023
3040
470n
220n
10K
I017
3014 2024
22R 1m0
25V
PGND
1001
1
L- F009
L+ F010 2
3
R- F011
4
R+ F012
2052 2053 2054 2055
*Connection Inverted (R_CH)
2n2 2n2 2n2 2n2
PGND PGND PGND PGND
3041
2045
10K
RESERVED
220n
2042
2060
470n
I021 (Mounting Hole)
2n2
PGND
3031
2043
2061
22R
1m0
(Mounting Hole)
25V
2n2
PGND
PGND
9 10 11
12
1002 C2 5001 A3
1003 A2 5002 C3
2001 B2 5003 C2
C
2002 B3 5004 B3
2003 B3 5005 D3
2004 B4 5006 C8
2006 C3 5007 F9
2007 C3 6001 C4
2008 C3 6002 C6
2009 C3 6003 F6
A
2010 C8 7000 C6
2012 A5 7001 F6
2013 B5 7004 F4
2014 A8 7005 D4
2015 A7 F001 A2
2016 A6 F002 B2
2017 B7 F003 C2
2018 C8 F004 C2
2019 C8 F005 C2
2020 A9 F006 C2
2021 B9 F007 A3
B 2022 C9 F008 A3
2023 C9 F009 E11
2024 C9 F010 E11
2026 C8 F011 E11
2027 D3 F012 E11
2028 D3 I001 B3
2029 F5 I002 B5
2030 D7 I003 B5
2031 E7 I004 C3
2032 F5 I005 C6
2033 F5 I006 C6
2034 E7 I007 C6
C
2035 E9 I008 D3
2036 E9 I009 D4
2037 F8 I010 D4
2038 F8 I011 B8
2039 F3 I012 C8
2040 G8 I013 C8
2041 F4 I014 C8
2042 F9 I015 C8
2043 F10 I016 F8
2044 G8 I017 C9
2045 F9 I019 E4
2047 C5 I020 F6
D
2048 B4 I021 F9
2049 D6 I022 G4
2051 C3 I023 F8
2052 E10 I024 F8
2053 E10 I025 D6
2054 E11 I026 G6
2055 E11 IXXX F3
2060 F11 IXXX F4
L 2061 F11 IXXX F4
-
2062 B6 IXXX F5
+
-
2063 E6 IXXX B6
R
+
E 2064 B4 IXXX E6
2065 F5 IXXX E6
3001 A3 IXXX B7
3002 C4 IXXX A8
3003 C4 IXXX C8
3004 B4 IXXX C8
3005 B8 IXXX E8
3006 A7 IXXX F8
3007 B5 IXXX F8
3008 B5 IXXX F8
3009 B7
3010 B8
F
3011 C8
3012 B8
3013 C5
3014 C9
3019 F3
3020 F5
3021 G3
3022 E7
3023 E7
3024 F5
3025 F5
3026 E8
G
3027 E7
3028 F4
3029 F8
3030 E8
3031 F9
3032 E7
3033 F5
3034 F4
3037 B7
3038 C5
3039 C5
3040 C9
H
3041 F10
3042 C8
3043 F8
3044 D4
3045 D4
3046 D6
3047 G6
G_16210_025.eps
4001 E4
180106
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