Block Diagram Audio - Philips EM1.1A Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram Audio

AUDIO
IF AUDIO DEMODULATOR
B2 B6
SEE
BLOCK DIAGRAM
VIDEO
7323
TDA9320H
7411 1410 7410
HOP
QSS-AM
10
ERR
30
I/O HD
N2
1680 1680
SNDR-SC3-IN
SND_R_IN 1 1
AV3 SND2_R_IN R
R
3 3
SND1_L_IN SND_L_IN L
AV3
L
SNDL-SC3-IN
I/O SIMM
A11 A8 B1
CONN.
AV1
1205 1000
L
L_SC1_AV1_IN
52
R
R_SC1_AV1_IN
60
AV2
L
L_SC2_AV2_IN
53
R
R_SC2_AV2_IN
58
O SIDE I/O
0240 1936
L
L_FRONT_IN
6 65
R
R_FRONT_IN
8 66
SDA-F
SCL-F
MAINS SWITCH PANEL
J
(VERSION 1 FOR PV2 MODEL)
(VERSION 2 FOR FL9 MODEL)
6001 OR 6691
ON/OFF LED
ON/OFF LED
1010 OR 6692
IR- 1
RECEIVER
TOP CONTROL
P
0215
KEYBOARD 2
5x
CHANNEL+
CHANNEL-
VOLUME+
VOLUME-
MENU
EM1.1A AA
B76 +8VC
18.432MHz
7651
MSP34XXG
54 55 31
B65
7664
50 DEMO- BC847BPN
B66
DULATOR
2643
R 20
2
DAC
L 21
7669
BC847BPN
B67
2
ADC DSP
2699
DIGITAL
7666
SOUND
BC847BPN
L 36
PROC.
23
R 35 DACM-SUB
R 17 HEADPHONE-R
DAC
L 18 HEADPHONE-L
7656
44
MSP
BC847BPN
DACM-S 24 2
45 DAC
ERR
14
41 7668
+5V_AWD
MUTE
+5V2
CIRCUIT
42
38
(ANTI PLOP CIRCUIT)
R 28
39
DAC N.C.
29
L
3582 3580
3655
2
3578
R 25
B74
3656
1
3579
L 26
B75
SIMM SIMM
A8 B1
CONN. CONN.
O SIDE I/O
1936 1936
FRONT DETECT 7 7
SIMM
CONN.
1205 1000
FRONT
A10
62
0247 1947
5 5
N.C.
N.C.
4 4
77
78
3 3
RC5
COLD 2 2
1 1
+5V2 +5V2.
1945 79
2
6. 22
B1 A8
SIMM
CONN.
1000 1205
B68
76
3 AUDIO-R
B69
75
3 AUDIO-L
74
3 AUDIO-SW
B72
AUDIO-SL (OPTIONAL)
3
7677
R-CL-VL-OUT
7682-A
SIM
B1 A8
L-CL-VL-OUT
1000 1205
67 HEADPHONE-L
7682-B
HEADPHONE-R
68
R-SC2-OUT
L-SC2-OUT
PAINTER
B7 7001 C7
C6
SAA5667HL
3062
48 R-TXT
CVBS TXT 31
B2
C8
HIP
3063
47 G-TXT
7007
C4
PAINTER
C9
HS
53
HFB
B3 3064
ERR
46 B-TXT
12
FEATURE BOX
C10
7006
C5 3006
52 FB-TXT
VS
VSYNC
55
B4
3029
82 SDA-F
HOP
3027
81 SCL-F
ATT_SWITCH 2
B2
IF 7013 3028
84 SDA-S
POR FLASH
79
B4
3026
83 SCL-S
HOP
18 DEGAUSSING
FRONT DETECT
6
70
2001
69
SAM
+5V2-CON
4006
SDM 2002
71
7005
3054
13 STANDBY
MC33269D
98 SOUND ENABLE
4 2
+3V3
INT-
PAINTER
7002 : A0 - A15
7004
C3
RESET
73
D0 - D7
RESET
7012
M24C32
ON/OFF LED
28
EEPROM
(NVM)
RC5 80 SDA 5
76
78 SCL 6
ERR
97 WC 7
10
KEYBOARD
5
ERR
11
3720
A6
AUDIO AMPLIFIER
3721
+28V
3722
7700
TDA7497 24
A56
2714 A57
1 14
AUDIO-R
A58
A59
AUDIO-L 5 12
AUDIO-SW 6 3
9
MUTE/STBY
PROTECT
10
4, 8, 11, 15,
7710, 7711
A8 SOUND-ENABLE
MUTE
PROCESSING
POR
A3 CIRCUIT
AUDIO-SW
O SIDE I/O
7751
1936 0240
NJM4556AM
3 SOUND R-HEADPHONE-OUT
11
1 HP_AMPL_L
+
2
-
5 SOUND L-HEADPHONE-OUT
10
HP_AMPL_R
7
+
6
-
A11 IMPUTS/OUTPUTS
B1 A8
SIM
1000 1205
R-SC2-OUT
70
SEE
B4 BLOCK DIAGRAM
L_SC2-OUT
69
VIDEO
HOP
AUDIO-SL
72
SEE
I 2 C DIAGRAM
R-CL-VL-OUT
70
L-CL-VL-OUT
69
A1A
1001
C11
A2
7011
A6 C47C1019V3332
SRAM
(NVM)
ADDRESS ERR
15
128Kx8
DATA
1735
R
4
10W/
3 8Ω
1 L
10W/
8Ω
2
1738
1
FOR
PASSIVE
2
SUBWOOFER
3
(optional)
1740
1
2
FOR
3 ACTIVE
SUBWOOFER
4
(optional)
5
1739
AV2-OUT
R-SC2-OUT L
L_SC2-OUT R
AUDIO-OUT
OPTIONAL
L
AUDIO-SL
R
R-CL-VL-OUT
R
L-CL-VL-OUT
CL 36532061_009.eps
020903