Block Diagrams, Testpoint Overviews, and Waveforms
6.
Block Diagram Audio & Control
A5
AUDIO AMPLIFIER
H1
REAR IO SCART
HC
ITV BOARD
D
SIDE I/O +
CONTROL
A3
HISTOGRAM
A2
HERCULES
H2
PCHD-IO
A13
PCHD-MUX
H1
REAR IO SCART
A3
HISTOGRAM
A1
TUNER + VIF
A12
HDMI
AUDIO
CONTROL
D
SIDE I/O +
CONTROL
J
IR LED PANEL
A13
PCHD-MUX
HC
ITV BOARD
H1
REAR IO SCART
A2
HERCULES
1704
1
2
3
4
LEFT
SPEAKER
RIGHT
SPEAKER
7709
TDA7297D
1:1
7376-A
1:1
7377-A
60
61
7376-B
7377-B
16
19
5
2
7
14
AUDOUTLSR
AUDOUTLSL
IN2
IN1
OUT1-
OUT1+
OUT2-
OUT2+
1005
45
1
1103
44
3
1107
2
1
J5
1
1
1107
1
1
J5
1
1
HP_LOUT
HP_ROUT
21
25
18
28
1105
CONSTANT
AUDIO
OUTPUT
1105
EXTERNAL
SPEAKER
HP_LOUT
HP_ROUT
7011
TDA15021H
7316
1302
UR1316
TV
FM
TUNER
2321
11
4
5
SCL
SD
A
QSS Mixer
AM Demod.
AM
1330
7
8
2
SIF1
SIF2
10
SSIF
AD Conv.
Std Stereo
Decoder
21
1
22
24
19
27
1102
3
1
21
1
3
45
1
43
1101
3
1
21
1
Const_L_OUT
Const_R_OUT
SC1_L_RF_OUT
SC1_R_RF_OUT
SCART 1
SCART 2
1103
37
9
1005
39
7
1688
PC
AUDIO
IN
1101
6
2
1
1
2
2
1001
J4
1
3
2
PC_AUDIO_L
PC_AUDIO_R
PC_AUDIO_L
PC_AUDIO_R
4836
4838
AudioIN2L
AudioIN2R
53
54
SC1_COMP_AV1_L_IN
SC1_COMP_AV1_R_IN
SC1_COMP_AV1_L_IN
SC1_COMP_AV1_R_IN
34
35
1
3
2
Const_L_OUT
Const_R_OUT
HP_LOUT
HP_ROUT
SC1_L_RF_OUT
SC1_R_RF_OUT
SC2_L_MON_OUT
SC2_R_MON_OUT
SC2_L_MON_OUT
SC2_R_MON_OUT
1103
18
24
1005
20
27
1102
6
2
SC2_L_IN
SC2_R_IN
SC2_L_IN
SC2_R_IN
34
35
21
1
SCART 1
SCART 2
F708
F707
F706
F705
7707
TDA1517ATW
8
9
12
13
3
18
IN+
IN-
OUT1A
OUT1B
OUT2A
OUT2B
POWER
AMPLIFIER
POWER
AMPLIFIER
HPIC_LIN
HPIC_LIN
62
63
37
38
29
30
33
IF-TER
IFOUT
FM-IFOUT
F306
AUDIO
SELECT
ADC/DAC
AUDIO
CONTROL
Vol/Treb/
Bass
Features
DACs
I2S
Processor
QSS/FM
HP_LOUT
HP_ROUT
F702
F701
1309
1310
1311
1312
1313
Channel-
Volume-
Power
1002
1
2
3
4
5
6
4
4
2
2
1540
1540
6540B
6540A
7540
7542
7541
3544
6541
GND
+5VA
VS
OUT
5
5
3
3
1
1
PC-TV-LED
LED-SEL
IR
3540
+5VA
Red
Green
LED_CTRL
RD_GR_LED
RC_IR
+5V
LEDIN_CLK
IRIN_DATA-IN
MODE
STATUS_DATA-IN
DGND
IROUT
KB
LEDIN_CLK
IRIN_DATA-IN
MODE
STATUS_DATA-OUT
DGND
IROUT
LED_CTRL
+5V
RD_GR_LED
RC_IR
KB
3
3
4
4
5
5
6
6
17
17
20
20
21
21
22
22
23
23
7
7
9
9
J5
1107
3
3
8
8
KEYBOARD
PC_TV_LED_OUT
97
7011
TDA15021H
IR
115
KEYBOARD
107
LIGHT-SENSOR-SDM
120
PC_TV_LED
LED_SEL
7640
+3v3STBY
+5VSWI
3640
6640
1
4
2
1
1698
1601
3
6
4
5
4
3
4
4
LED_SEL_OUT
RC_IR
+5V
LIGHT_SENSOR
KEYBOARD
PC-TV-LED
LED-SEL
LIGHT-SENSOR-SDM
IR
To Smart Card
Express Box
LEDIN_CLK_TXD_SCL1
IR_IN_DATA-IN_RXD_SDA1
MODE
STATUS_DATA_OUT
GND
U5
P89C664
1
PC_TV_LED
13
10
11
1698
4
42
1601
2
44
114
SEL_IF
4022
SERVICE
SMD
116
STATUS_1
A3
119
STATUS_2
A3
CONTROL
EXT_MUTE
A2
102
EXT_MUTE
A5
CONTROL
17
STANDBY
SOUND_ENABLE
111 SOUND-ENABLE
A5
122
STANDBY
A5
A3
F_15140_017.eps
220205
A1
MICRO
CONTR.
HERCULES
Содержание LC4.2HE
Страница 18: ...Service Modes Error Codes and Fault Finding EN 18 LC4 2HE AA 5 Personal Notes E_06532_012 eps 131004 ...
Страница 58: ...58 LC4 2HE AA 7 Circuit Diagrams and PWB Layouts Personal Notes ...
Страница 78: ...Revision List EN 78 LC4 2HE AA 11 11 Revision List Manual xxxx xxx xxxx 0 First release ...