Block Diagram Audio - Philips 42PF9945 Service Manual

Wiring Diagram, Block Diagrams and Overviews

Block Diagram Audio

BLOCK DIAGRAM AUDIO
IF AUDIO I/O
B2 SEE ALSO B14D B6A
BLOCK DIAGRAM
VIDEO
3380 7410
SOUND-OUTPUT
5
HIP
B65
MAIN
QSS_AM
7323
TDA9320H
7I17
TEA6422D
I/O
B14B
4
25
R1
13 SND R-MAIN-IN
6 R1
24
SCART 1 3 R2
SNDL-MAIN-IN
AL-SC1-IN
MATRIX
6
8
23 SWITCH
4
R3
3
AR-SC1-IN
2
1
SCART 2 5
AL-SC2-IN
6
11
6
18
3 AR-SC2-IN
R6
2 CENTER
1
CENTER
SCART 3 7
AL-SC3-IN
6
8
3
AR-SC3-IN
2 3
4
1
L1
ERR
5
83
5 12
L2
7
6
L3
2FH I/O
B14C
12
2FH1-L
12
2FH
11 11
L6
2FH1-R
AV4
AUDIO RECEIVER
B14B
SND-CENTER-IN
BLOCK DIAGRAM CONTROLS
B14E
TOP CONTROL
P EMC B20
3IB6
0345 1345 1355 1Y45
2 2
2 2
KEYBOARD
5x
CHANNEL+
CHANNEL-
VOLUME+
KEYB-IO2
VOLUME-
MENU
CONTROL
LED PANEL
LD
6103
0320 1330 1320 IY20
1 2
7103 1 1 1 1
N.C. N.C.
GREEN
GREEN-LED 2 2 LED GREEN
4 3
3IB9
RED-LED
3 3
RED
7105
RC-IN 4 4 RC
7107
RC LIGHT-SENSOR-IN 5 5 LIGHT_SENSOR
RECEIVER
6 6 5S06
7120
+8V6 +8V
2 7 7 7
6127 +5V
8 8
+5V-STBY-SW RELAY
1101
IO2
+9V-STBY-SW 9 9
4 1
5S07
ON/OFF 5 2
+9V-STBY 10 10 10 10
SWITCH
5S08
6 3
+5V2
FTP1.1E
7A02
MSP4450 (used in combination with MAS3528E and DPL4519G)
50 IF1
LOUD-
PRESCALE
DE- SPEAKER
ADC
PRE-PROCESSING SOUND
MODULATOR
IF2
2A39
PROCESSING
47 MONO-IN
ERR
45 14
HEADPHONE/
SURROUND
44
SOUND
PROCESSING
42
SCART
SC1
DSP
41
INPUT
SOURCE
SELECT
39
SELECT
SC3
ADC PRESCALE
38
36
SC4
DAC
35
SCART
DAC
OUTPUT
SELECT
I2S-MSP-OUT 5
I2S
I2S-MSP-WS 4
N.C.
INTERFACE
I2S-MSP-CLK 3
CONN. OTC FLASH
B1 B5A
7001
SAA5801H
B60
CVBS-TXT 5 77
B2
7015 78
B57
HD3-EPLD 83
SEE ALSO B3A
BLOCK DIAGRAM 79
OTC
VIDEO
7016
B58
80
84
VD-EPLD
B3A
88
CVBS-Y-RECORD-IN 7
N.C.
87
FRONT-DETECT 114
N.C.
86
85
+5V2-CON
7002 :
7004 B56
74 90
RESET
+5V2 +5V RESET
7005 89
LF33AB 7013, 7014
3I30 IN OUT RESET
+3V3
INTOTC FLASH RP 119
RAM
1
3I12 96
STATUS_SC3 109
3129 B14B
108
STATUS_SC4
B14B
POR-FLASH 99 104
B4
95
9S33 IRQ-DIGITAL 98
N.C.
94
HD@HOME 93
N.C.
115
IRQ-FTV 96
117
N.C.
7009 116
P50
+5V2
B14B
103
97
118
3IB8
120
7008
7I11
91 SDA
3I00 9S37
ON-OFF-LED
7010
113
92
+3V3
9S38 RC 100
ADDRESS
DATA
KEYBOARD 107
CONTROL
LIGHTSENSOR 110 16
17
6. 32
I/O3
B20
B14E
7A03
B66 B68
LM833D
5I21
20 7 AUDIO-R AUDIO-R IO3
5
LOUD 1Y88
DAC 5I22
21 3 1 AUDIO-L
7A00
B67 B69
1
23 3 AUDIO-SW
DACM-SUB N.C.
AUDIO-L IO3
FRONT-DECT
17
HPN-R HPN-R
18
HPN-L HPN-L
18
DAC MSP-CENTER
N.C.
18 MSP-SURR
N.C.
B14D
7S03-1
SOUND-
ENABLE
B5A
2IA2
OTC
28 SNDR-SC1-OUT-DC SNDR-SC1-OUT
SNDL-SC1-OUT-DC SNDL-SC1-OUT
29
7S03-2
POR-IO2
2F99
7I20
SNDR-MON-OUT
25 2 SNDR-SC2-OUT
15
SC
1
26 SNDL-MON-OUT
5 SNDL-SC2-OUT SP1 SA B20
4
61
3
9.10
12 I2S-DPL-OUT
REG-SW
15 I2S-DPL-CLK 7I22-B
N.C.
14 I2S-DPL-WS
SNDR-MON-OUT
SNDL-MON-OUT
I/O
B14B
SNDL-SC1-OUT
L
SNDR-SC1-OUT R
SNDL-SC2-OUT
L
SNDR-SC2-OUT R
SNDR-MON-OUT
SNDL-MON-OUT-
B3A B19F B6A
B61
R-TXT 3705 R-OSD
7A07-A
MC33178D
B62
G-TXT G-OSD
3706
HPN-L
3 1
B63
B-TXT 3707 B-OSD
B64
FBL-TXT 3708 BL-OSD
HPN-R
5 7
B53
SDA-F
SEE ALSO
B54 BLOCK DIAGRAM
VIDEO
SCL-F
SEE ALSO
B51
IIC DIAGRAM
SDA-S
B52
SCL-S
TXD
N.C.
RXD
3099C 3081
SAM
9005 OR 9017
3074D 3097
SDM
9006 OR 9018
STANDBY B1
SOUND-ENABLE B1
RESET AUDIO B6A
N.C.
SEL_IN_2
N.C.
SEL_IN_1
N.C.
PWW-BLACKLIGHT
B5B
AUD-PWB-CTRL
N.C.
ERR
7011 7006 7007 7012
32
MC24C32 LH28F320BJE MSM51V18165F M29W400BT
5
PROGRAM
EEPROM DRAM EPG- OTC-FLASH
6 FLASH-RAM B5C
NVM. (TXT) FLASH-RAM
SET SW
4kByte 16Mbit 4Mbit
32Mbit
RP
SCL
ERR
1 (OCTAL BUS TRANSCEIVER)
7018 74LVC245APW
1402
7019 74LVC245APW
1
AUXILIARY
FLASH
PROGRAM 2 PROGRAM
CIRCUIT
CONNECTOR
FOR
B55
FLASH RAM 3
1001
6Mhz
FILTERS AUDIO AMPL- L-HIGH
A2 A3
7260-A
LM833DT 7315
LM311D
3 L-HIGH 8
1 2
2
3
3207 F248
0388
3259 1,4
7302
8 8 7225
LM833DT
3205 L-POS
7 7 3 F231
3220
1
3201
6 6 L-NEG 2
5 5
AUDIO-ENABLE
4 4
3 3
AUDIO AMPL- L-LOW
A4
3215 R-POS
2 2 5 F241
3240
7
3220 L-NEG 7238-A
1 1 6
LM833DT 7415
LM311D 8
3 L-LOW
1 2
2
3222
3
F245
3234
1,4
7402
7211 F211
AU-EN-NOT
BC857BM
+9V-STBY A
AUDIO AMPL- R-HIGH
A5
7260-B
LM833DT 7515
5 R-HIGH LM311D 8
7 2
6
3
F245
3274
1,4
7502
SCART 1
AUDIO AMPL- R-LOW
A6
6
7238-B
LM833DT
7615
3
5 L-HIGH LM311D 8
2
1 7 2
SCART 2 6
3
F245
3244
6
1,4
7602
3
2
1
R
L
SUPPLY & DC-PROTECTION
A7
B14B
1108
HEADPHONE-L
HEADPHONE-R
TO
CN8003
POWER
SUPPLY
3330
5335
7365-2
3315
VSDN-POS
IRF7343
VCC-10-POS 7330
D
2330
3337
G
S 5365 OUT_LH
3328
7 F365
F330
D
2355 3362
2355
F328 G
S
7365-1
7355
IRF7343
3318 3355
5366
VCC-10-NEG
VSDN-NEG
7340
OUT_PROT
A7
3430 5435
7465-2
3415 VSDN-POS
IRF7343
7430
VCC-10-POS
D
2430 3437
G
S 5465
OUT_LL
3428
7 F465
F430
D
2455 3462 2465
F428 G
S
7465-1
7455 IRF7343
3418 3455
5460
VCC-10-NEG
VSDN-NEG
7440
OUT_PROT
A7
3530
5535
7565-2
3515
VSDN-POS
IRF7343
7530
VCC-10-POS D
2530 3537
G
S 5565 OUT_RH
3528
7
F565
F530
D
2555
3552 2565
F528
G
S
7565-1
7555
IRF7343
3518 3555
5560
VCC-10-NEG
VSDN-NEG
7540
OUT_PROT
A7
3630
5335
7665-2
3615
VSDN-POS
IRF7345
7630
VCC-10-POS D
2630
3637
G
OUT_RL
S 5665
3628
7 F665
F630
D
2655 3662
2665
F628 G
S
7665-1
7655
IRF7345
3618 3655
5660
VCC-10-NEG
VSDN-NEG
7640
OUT_PROT
A7
0303
5
OUT_LH L-HIGH
4
3
OUT_LL
2
1
L-LOW
0304
OUT_RH R-HIGH
4
3
2
OUT_RL
1
R-LOW
A3
OUT_PROT
A4
DC-PROTECT
A5
CIRCUIT
A6
0302
9 DC-PROT
+9V-STBY
8
5753
+9V-STBY A
7
F730
1730
6
VSDN-POS
5 2.5A
7735,7736
VCC-10-POS
4 STAB
F735
3
F740
1740
2
VSDN-NEG
1 2.5A
F745
7745,7746
VCC-10 -NEG
STAB
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