EN 61
6.
LX7500R
Block & Wiring Diagrams
BLOCK DIAGRAM 1
Block diagram 1 LX7500R, 251104
DIGITAL
IN
coax
ANALOG IN 1
ANALOG IN 2
INPUT/OUTPUT PROCESSING
&
SOURCE SELECTION
DAOUT
1951
1940-1
1940-2
7581
OPT. IN
1949
COMP.
VIDEO
OUT
1952
1
9
1950
1943
1
3
10
1
1900
22
21
1
1947
1946
COMPONENT VIDEO OUT
1
22
1942
1
9
1953
1
3
AIN1R
AIN1L
AIN2L
AIN2R
1934
13
1
1
7
AV BOARD
(Analog Video Board)
for details see
separate block diagram
AINFR
AINFL
CVBSFIN
NC
CFIN
YFIN
Y
PB
PR
5V
5V_OPT
5N
5N_STBY
5V_STBY
33V_STBY
12V_STBY
3V3
IPFAIL
ION
STBY
AUDIO I2S
VIDEO
ANALOG AUDIO / VIDEO
ADC
DAC
TV OUT
TV TUNER
CENTRAL CONTROLLER
SUB BOARD
P50
CLOCK & BACKUP
CONTROL
µ
P
1986
1
10
5V_STBY
SCL_CECO
SD
A_CECO
INT_CECO
IPOR_DC
CECO_RST
NTC_FR
ONT
12V_STBY
I2C B
U
S
I2C BUS
I2C BUS
1100
1
12
1202
TU_SD
NC
1
11
1300
10
1
1018
1
8
1302
1
6
1020
1
6
9V_TUNER
TU_RDS
+5V
+5V_STBY
+12V_STBY
V
G
NSTBY
TU_RIGHT
DOWNMIX_L, R
TU_CE
TU_DI
TU_CLOCK
DIG_IN
OPTICAL_IN
TU_LEFT
TU_stereo
MUX_L, R
DOWNMIX_L, R
DAC_L
LINE 1
LINE 2
DAC_R
I2C BUS
SOURCE
SELECTOR
VOLUME I
SUR
SUR
SOUND
VOLUME II
7207
Source Selector & Soundprocessor
L, R FRONT SPEAKERS
I2C BUS
AF_I2C_SDA, SCL1
I
2
C Control
5, 24
12
17
7, 22
13, 14, 15
1
27
28
6, 23
4, 25
3, 26
8
21
Power Supply
+9V2
SOURCE
SELECTOR
VOLUME I
SUR
SUR
SOUND
VOLUME II
7303
Source Selector & Soundprocessor
SUBWOOFER&CENTER SPEAKER
I
2
C Control
6, 23
12
17
7, 22
13, 14, 15
1
27
28
8
21
Power Supply
+9V2
AF_I2C_SDA, SCL2
3, 26
5, 24
4, 25
DAC_CENTRE
LINE_L, R
DAC_L, R
DI_I2C_SD
A
DI_I2C_SCL
AF_I2C_SDA
AF_I2C_SCL1
MUTE_SW
AF_I2C_SCL2
AF_I2C_SCL3
TEMP
Rotar
y A
Rotar
y B
INT
POR_DC
ADC_IN_L, R
NTC_Amp
AMP_LEFT
HP_DET
HP_DET
HP_RIGHT
HP_LEFT
AMP_RIGHT
LR_AMP_ON
AMP_CENTRE
AMP_SR
AMP_SL
AMP_SUB
NC
NC
SUR_ON
FREQU_HOP
AMP_ERR
MUX_L, R
DAC_SL, R
MUTE
XMUTE_ALL
MuteHP
SET_FAN_CTRL
MuteHP
MuteCentre
MUTE_ALL
MUTE_SW
(MUTE LINE)
MUTE_LINE
IPFAIL
IPFAIL
IPFAIL
MUTE AMPL.
INV_ON
PDN_MUTE
SUR_ON
3, 26
5, 24
I2C BUS
SOURCE
SELECTOR
VOLUME I
SUR
SUR
SOUND
VOLUME II
7214
Source Selector & Soundprocessor
SURROUND SPEAKERS
I
2
C Control
4, 25
6, 23
12
17
7, 22
13, 14, 15
1
27
28
8
21
Power Supply
+9V2
AF_I2C_SDA, SCL3
DAC_SL
DAC_SR
AMP_ON
POWER_ON
STBY
7204-1
NJM4556AM
+HP
L
R
L
R
7204-2
NJM4556AM
+HP
CENTRE
SUB
MUTE
MUTE
MUTE
MUTE
7301
7206
7211
7210
1200-3
LINE OUT
1200-2
1200-1
LINE IN1
LINE IN2
1702
DIGITAL
OUT
coax
AIN1R
AIN1L
AIN2L
AIN2R
LINE_IN1
ANALOG_IN1
DAC_SUB
DAC_CENTER
ANALOG_IN2
TUNER L, R
LINE_IN2
LINE_OUT
SPDIF
1205
6
1
DAC_SUB
7201
7108
EEPROM
CLOCK
GENERATOR
+
µ
P
5
6
8
DI_I2C_SDA
DI_I2C_CLK
I2C BUS
RESET
RESET
+
µ
P
RDS
DECODER
SAA6581T
7109
+
µ
P
+
µ
P
NTC_Amp
LR_CSub_ON
LR_CSub_ON
FREQU_HOP
1022
230
FAN
+12V_A
2
1
FAN CONTROL
AMP_ERR
IPFAIL
INV_ON
AMP_ON
POWER_ON
STBY
1102
1
10
IPOR_DC
NC
NTC_FR
ONT
NTC_FR
ONT
INT_CECO
CECO_RST
12V_STBY
SCL
SD
A
IPOR_DC
DSP_RST
INT_CECO
CECO_RST
1024
1810
1
12
+5VSTBY
3V3STBY
+
µ
P
HPREF
5NSTBY
VGNSTBY
+12V_A
9V_TUNER
+HP
+9V2
-5V_A
+5V_A
+5V
+3V3
1025
1030
1026
1029
1028
1023
1097
!
8x
!
LM2931
7308
7501
+
+1V25
1701
1
9
SPDIF
7603
7505
DSP_RST
CODEC_
RST
CODEC_
RST
7405
I2S BUS
I2S B
U
S
I2C B
U
S
I2S B
U
S
+3V3
+1V25
+3V3
+5V_A
+3V3
LD1086D
RESET
+3V3
RESET
+3V3
MUTE
7107
M I C RO P RO C E S S O R
T M P 8 8 C U 7 4 F
10
25
26
33
2
14
3, 4
56
35
54
59
53
61
23, 24
62
64
50
75
52
34
57
12
5
6
11
45, 46
43
41
42
36,16
V
AREF
VDD
VKK
VA
S
S
40
39
38
78
VSS
7
58
70
AK4112A
SPDIF
RECEIVER
12
14
4
13
11
1
2
1, 3
2, 10
CODEC
12
DSP
45
69
47
I2C BUS
SIGNAL PATH "ANALOG IN"
SIGNAL PATH "DIGITAL IN"
PROC.
DIGIT
AL
VIDEO IN
IEEE1394
to
DIGITAL Board
1203
DISPLAY/CONTROL BOARD
1910
12
1
+5VSTBY
V
GNSTBY
VKK
+12VSTBY
DI_I2C_SD
A
DI_I2C_SCL
TEMP
INT
POR_DC
7110
7104
1110
Rotary B
Rotary A
8 MHz
+5VSTBY
+5VSTBY
+12VSTBY
COMBI BOARD
I2C B
U
S
7103
M I C RO P RO C E S S O R
T M P 8 7 C H 7 4 F
VDD
VKK
VKK
VKK
INT0
VSS
V
ASS
V
AREF
14
69
40
39
7
8
9
1017
12 MHz
15
RESET
10
38
78
VOLUME
1111
NTC
AMBIENT TEMP.
STAND BY
FLASH
6104
7105
12
11
19
45
1
FIL1
FIL2
36
37
RECORD
6103
6102
6101
+5V_STBY
+5V_STBY
+5V_STBY
+5V_STBY
7107
3
1
2
IR EYE
7112
3
1911
TRAY_LED
KEY 1
KEY 2
4
1
KEY MATRIX
KEY MATRIX
+12VSTBY
HP_RIGHT
HP_LEFT
HP_DET
1920
1923
from 1924
1921
A
UDIO L
A
U
DIO R
CVBS
S-VIDEO
1922
1924
to Headphone socket
1
9
AINFR
AINFL
CVBSFIN
NC
CFIN
YFIN
AV FRONT CONNECTORS
(CAM 1)
HEAD-
PHONE
p
1
6
1600
24.576 MHz
8
9
AM-FRAME AERIAL
FM
AUDIO TUNER
TRAY LIGHT left
TRAY LIGHT right
STAND BY BOARD
1930
4
1
1931
1
3
1940
1
3
1941
2
1
1950
2
1
+12VSTBY
6402
6401
6400
+5V_STBY
6402
6401
6400
7300
7301
TRAY_LED
TRAY_LED 1
TRAY_LED 2
1130
STANDBY - ON
+12VSTBY
+12VSTBY
TRAY_LED 1
TRAY_LED 2
TRAY_LED 2
7100
8020
to sheet 2, 1900 Dig. board
to sheet 2, 1300 AUX. Supply board
to sheet 2, 1104Dig. board
to sheet 2, 1904 Dig. board
to sheet 2, 1704 Dig. board
to sheet 2
A
UX.
Supply
board, 1305
to sheet 2
A
U
X.
Supply
board, 1304
to sheet 2
AMPLIFIER
board , 1302
to sheet 2
AMPLIFIER
board , 1331
FRONT PANEL
F
F
Содержание LX7500R
Страница 60: ...Diagnostic Software EN 60 LX7500R 5 ...
Страница 103: ...EN 103 7 LX7500R Circuit Diagrams and PWB Layouts uP Sub Board top view uP Sub Board bottom view ...
Страница 125: ...Circuit IC descriptions and list of abbreviations EN 125 LX7500R 9 9 3 5 Video routing Figure 9 1 Video IO Europe ...
Страница 129: ...Circuit IC descriptions and list of abbreviations EN 129 LX7500R 9 9 4 4 Video routing Figure 9 3 Video IO Nafta ...
Страница 136: ...Circuit IC descriptions and list of abbreviations EN 136 LX7500R 9 Figure 9 9 ...
Страница 137: ...Circuit IC descriptions and list of abbreviations EN 137 LX7500R 9 Figure 9 10 ...
Страница 141: ...Circuit IC descriptions and list of abbreviations EN 141 LX7500R 9 IC7411 NJM2285 Analog Board Video Switch ...