Block Diagram Audio - Philips EM5A NTSC Service Manual

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Wiring Diagram, Block Diagrams and Overviews

Block Diagram Audio

AUDIO
IF
B2
SEE ALSO
BLOCK DIAGRAM
VIDEO
7323
TDA9320H
3380 7410
SOUND-OUTPUT
5
HIP
3437 7411
10
1411
IF-VIDEO-SYNC
C4 E1
7301
TDA8885
F4
8 SIF1 PIP-AUDIO
INPUTS/
A11
OUTPUTS
L-SC1_AV1-IN
L-SC1-AV1-OUT
R-SC1_AV1-IN
1
R-SC1-AV1-OUT
2
L-SC2_AV2-IN
L-SC2-OUT
R-SC2_AV2-IN
3 R-SC2-OUT
4
AUDIO-SL
AUDIO-SL-OUT
5
L_CL_VL-OUT
AUDIO-L-OUT
6
R_CL_VL-OUT
AUDIO-R-OUT
7
SIDE I/O
O A8
SIM
CONN.
1936 1936
6
L
L
8
R
R
1936
10
L
8
11
R
9
CONTROL
MAINS SWITCH PANEL
E
+5V STANDBY
3051 3054
6051
TLUV5300
1 3
2
RED GREEN
ON/OFF LED
ON/OFF LED
1040
E1
IR- 1
RECEIVER
+5V STANDBY
+5V STANDBY
7020
TOP CONTROL POWER ON SWITCH
P
1001
SEND
0345 0245
LED
6021
OR
2 2
KEYBOARD KEYBOARD
5x
2 7 LIGHT SENDER
0346
CHANNEL+
LIGHT
CHANNEL- 6070
7070
OR SENSOR
2
VOLUME+
VOLUME-
MENU
EM5A NTSC
AUDIO DEMODULATOR
B6
7651
MSP3452G
7674
RESET AUDIO
16
RESET
B5
AUDIO
QSS_AM
SOUND
B65
DEMO-
DULATOR
QSS_AM
50
NICAM-
DECODER
2651
7651
DW PANEL 0205 1682 MSP3452G
PIP_AUDIO
PIP_AUD_IN
PIP-AUDIO 10 10 47
A8 B1
DSP
ADC
DIGITAL
SIM SIM
SOUND
PROC.
CONN. CONN.
1205 1000
52
L-SC1-AV1-IN 44 ADC
60
R-SC1-AV1-IN
45
53
L-SC2-AV2-IN 41
58
R-SC2-AV2-IN
42
B1
SIM
CONN.
1205 1000
6 65
L-FRONT-IN L-FRONT-IN 38
8 66
R-FRONT-IN R-FRONT-IN
39
B74
SDA-F 3655
B5 2
SCL-F 3656
1
B5
B75
OTC
B5
SEE ALSO
BLOCK DIAGRAM
VIDEO
FRONT SIM SIM
A10 A8 B1
CONN. CONN.
0241 1946
1 1
COLD
N.C.
2 2
1205 1000
3 3 77
RC5
4 4
+5V2
78
IR-LED 5 5
N.C.
3001
6 6
79
7 7
37
8 8
9 9
+8V6 +8V
1945
2
6. 36
B76
1651
18M432 7675, 7668
+5V2 MUTE-SSB
ANTI-PLOP
+5V_AUD CIRCUIT
54 55
7666
DACM-SUB 23 2 3
DAC
7654 MUTE-
SW
60
MUTE
SW
7656 B72
DACM-S 24 2 3
DAC
7663
B73
DACM-C 22 2 3
DAC
7664 7652
B70
B68 12
14
2 3 13
11
B66
R 20
7665 7653
B71
B69 12
DAC LOUDSPEAKER
14
L 21 2 3 13
11
B67
7653
2
15
R 25 1
5 7678-A
DAC SC2 OUT
4
L 26 3
9.10
7667
SELECT_AUDIO_LR
61
SELECT
AUDIO LR
7652 B77
2
ERR
15
14 1
B78
5
4
3
9.10
7680
SELECT
SEL_IN_2
R 28
DAC SC1 OUT
L 29
HEADPHONE
B10
AMPLIFIER
R 17
+8V_AUD
7681
DAC HEADPHONE
NJM4556AM 8
L 18
3506
3 1
3501
5 7
4
7001
SAA5801H
B60 B61
CVBS-TXT 5 77 R-TXT
B2
B62
7015 78 G-TXT
B57
SEE ALSO
HFB 83
B63
B3 B4 BLOCK DIAGRAM
79 B-TXT
OTC VIDEO
B64
B58
80 FBL-TXT
VSYNC 84
B4
B53
88 SDA-F
7016
B54
+5V2_CON
87 SCL-F
SEE ALSO
7005
B51 IIC DIAGRAM
LD1117
86 SDA-S
4 7 +3V3
INTOTO B52
85 SCL-S
3017
1
A2
104 STANDBY
7002 :
7004
B56
95 SOUND-ENABLE A6
74
RESET
RESET
B6
94 RESET AUDIO
7013, 7014
115 DEGAUSSING A1
RESET
FLASH
RP
117 SEL_IN_2 B6
RAM
SEL_IN_1
116 B6
STATUS_SC3 109
H
103 PWW_ANTIMOIRÉ B9
FRONT-DETECT 114
O
7009
P50
A11
97
7011 7006 7007
ON-OFF-LED
91 SDA MC24C32 LH28F320BJE MSM51V18165F
5
PROGRAM
7010 EEPROM DRAM
113 FLASH-RAM
92 6
NVM. (TXT)
SET SW
+3V3 SCL
RC 100
ERR
1
ADDRESS
DATA
KEYBOARD 107
CONTROL
LIGHT_SENSOR 110 16
B55
1001
17
AUDIO AMPLIFIER
B1 A8 A6
-16V-19V
SIM SIM
7702
CONN. CONN.
A62 TDA7490
1000 1205
74 10
AUDIO-SW
72
AUDIO-SL 6 STBY-MUTE
7677
5,10
73 18
AUDIO-C
A60
-16V-19V
7700
A58 TDA7490
76
AUDIO-R 18
75
AUDIO-L
70
R-CL_VL-OUT
6 STBY-MUTE
7
69
L-CL_VL-OUT
10
7678-B
6
A56
59 -16V-19V
R-SC2-OUT
7679-A
7701 : 7707
4 B5 SOUND-ENABLE
SOUND
L-SC2-OUT 55
ENABLE
A3 POR
3
7679-B
R-SC1-AV-OUT 61
L-SC1-AV-OUT 56 2
1
1936
10
HEADPHONE-R 68
L
11
8
HEADPHONE-L 67 R
9
10
7012
M29W400BT
EPG-
FLASH-RAM
RP
+16V+19V
2 4
1737
A63
5721
3 1 SUBWOOFER
PWM
15W/8ohm
3
3728
OSC
1738
A61
5720
23 1 CENTRE
PWM
15W/8ohm
3
3729
24 22
+16V+19V
24 22
A57 1735
5702
23 4 R
PMW
15W/8ohm
3
3717
OSC
A59
5701
1 L
3
PMW
15W/8ohm
2
3718
2 4
+16V+19V
PROT1
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