Panasonic DVD-LS837EEK Service Manual ▷ View online
41
14.4. Audio Block Diagram
SPEAKER
L
L
SPEAKER
R
R
-
-
+
+
QR4009
(1/2)
(1/2)
MUTE
QR4009
(1/2)
(1/2)
MUTE
QR4001
MUTE
CTL
MUTE
CTL
QR4002
QR4003
MUTE CTL
JK4001
1
5
7
4
2
3
R-GAIN1
L-GAIN1
L-GAIN2
R-GAIN2
LCH
RCH
HPSENSE-H
DVD-TUNER
HPMUT-L
HPMUT-L
AVJIN-L
HPJIN-L
AV IN/OUT
R-OUT-
R-OUT+
L-OUT+
26
QR4014
MUTE
A
10
B
X3
X
9
11
X0
12
Y0
1
Y3
4
13
Y 3
(SELECTOR)
IC4004
(AUDIO POWER AMP/DC
VOLUME CONTROL)
VOLUME CONTROL)
IC4008
HPSENSE-H
66
DVD-TUNER
65
AVIN-H
25
LOUTMUTE-L
LOUTMUTE-L
27
AUXIN-H
AUXIN-H
78
46
HPJIN-L
47
AVJIN-L
(OPERATION MPU)
IC6001
DVD-LS837EE
AUDIO BLOCK DIAGRAM
AUDIO BLOCK DIAGRAM
B2
1
A 4
4
S 6
B1
3
(SW AMP)
IC4009
B2
1
A 4
S 6
B1
3
(SW AMP)
IC4010
2
1
IC4005(1/2)
QR4007
AUDIO MAIN SIGNAL
(DV5.0)
146
144
LOUT
IC3001
ROUT
CTL
MUTE
CTL
0.4Vp-p(200usec/div)
0.7Vp-p(200usec/div)
6
7
IC4005(1/2)
VOLUME
BIAS
R-IN
R-IN
L-IN
L-IN
HPSENSE
CONTROL
28
26
L-OUT-
15
17
19
18
24
10
12
21
25
+
-
+
-
+
-
+
-
+
-
+
-
32STEPS
IC4003
151
2C
5
ADOUT
50
P5
13 1C
10
4B
9
3B
11 4A
12
2
3
4C
2B
1B
1
2A 4
8
1A
3A
(ANALOG SWITCH)
A
B
C
D
F
G
E
42
9
10
11
2
(FM TRANSMITTER)
IC4901
ANT
QR4023(1/2)
MUTE
QR4023(1/2)
MUTE
QR4022(1/2)
MUTE
QR4022(1/2)
MUTE
HEAD
PHONE
JK4004
1
5
7
4
3
2
HEAD
PHONE
JK4003
1
5
7
4
3
2
RFOUT
A
B
C
D
E
G
F
50
FMTMCE
S_FMTMCE
S_FMTMDI
S_FMTMSCLK
S_FMTMCS
FMTMO-H
5
1
51
FMTMDI
FMTMSCLK
79
FMTMO-H
52
(OPERATION MPU)
IC6001
Rin
FMTR
FMTL
Lin
CE
DI
SCLK
12
FMTMCS 53
CS
S
6
A 4
B2
1
(SW AMP)
IC4902
QR4901
MUTE
QR4903
MUTE
CTL
QR4902
MUTE
AUDIO MAIN SIGNAL
FM SIGNAL
DVD-LS837EE
AUDIO BLOCK DIAGRAM
AUDIO BLOCK DIAGRAM
43
14.5. Video Block Diagram
VIDEO BLOCK DIAGRAM
QR3201
QR3202
MUTE CTL
Q3201
MUTE
JK4001
(DV5.0)
IC3001
(OPERATION MPU)
IC6001
(VIDEO SIGNAL PROCESSOR)
IC8803
G_VBOUT
G_VGOUT
G_VROUT
T-CLK1
T-STH2
T-CPV
T-OEV1
92
88
86
84
72
63
67
T-STV2
T-STV1
62
61
71
75
96
95
BUFFER
1
2
IC8805
Q8805
LCD PANEL
STHL
STHR
70
OEH
T-OEH
T-STH1
CLK1
CLK3
CLK2
VR
VB
VG
VCOM
DRIVER
GATE
DRIVER
SOURCE
TCON10
TCON11
TCON12
TCON15
VR
VB
VG
VCOMDC
93
3
VCOMOUT
_
+
TCON1
TCON2
TCON7
TCON3
XOUT
XIN
15 CLKN
16 VD0 (LSB)
17 VD1
18 VD2
19 VD3
20 VD4
21 VD5
22 VD6
23 VD7 (MSB)
45 SDO
44
2
5
1
6
SDI
SO
SI
CS
SCK
X8801
61
18
17
14
13
12
11
10
9
BUS_EXDT5
BUS_EXDT12
BUS_EXDT6
BUS_EXDT13
BUS_EXDT4
BUS_EXDT15
P14
DVOUT0
VCLK
DVOUT1
DVOUT2
DVOUT3
DVOUT4
DVOUT5
DVOUT6
DVOUT7
BUS_EXDT14
BUS_EXDT7
138
DAC4OUT
EXT-MUTE
CVBSOUT
(512Kbit SERIAL FLASH ROM)
IC8804
43
46 CSN
7
7
5
C1INP
SCK
5
4
3
OUT
STANDBY
IN
(AMP)
IC3201
36
AUXIN-H
78
AVJIN-L
47
VIDEO MAIN SIGNAL
8Vp-p(5msec/div)
IC3001-74
4Vp-p(5msec/div)
IC3001-138
0.1Vp-p(5usec/div)
IC3201-5
VIDEO
IN/OUT
AUX-VIDEO
DVD-LS837EE
44
15 Interconnection Schematic Diagram & Schematic Diagram Notes
15.1. Interconnection Schematic Diagram
MAIN P.C.B.
OPERATION P.C.B.
FP8801
FP6202
FP5201
F-
T-
T+
F+
NC
NC[GND]
CDLD+
DVDLD+
IMON
DVDVR
CDVR
A+5V
VREF[+2.2V]
AGND
F2
TB
TA
F1
SW
E1
E2
TC
TD
NC[GND]
RF+
RF-
FP2501
OEV
U/D
CKV
STL
STR
VGH
VGL
VCC
GND
SPL+
SPL-
SPR+
SPR-
U/D
CKV
STL
STR
VGH
VGL
VCC
GND
SPL+
SPL-
SPR+
SPR-
VCOM
VCOM
L/R
MOD
OEH
STHL
STHR
CPH3
CPH2
CPH1
VCC
GND
VR
VG
VB
AVDD
AVSS
INV-GND
INV-GND
INV-GND
NC
BLON-H
DUTY
NC
PWR+9V
PWR+9V
PWR+9V
INV-GND
INV-GND
NC
BLON-H
DUTY
NC
PWR+9V
PWR+9V
PWR+9V
1
2
3
4
6
5
5
FP6801
PLAY
KEY1
KEY3
KEY3
DGND
REMOIRQ
OPR+3.3V
PLAY
KEY1
KEY3
KEY3
DGND
REMOIRQ
OPR+3.3V
6
5
4
3
1
2
2
TRAVERSE MECHANISM UNIT
M
M
PICK-UP UNIT
LCD PANEL
INVERTER
1
2
3
4
5
6
2
3
4
5
6
A3
A2
A1
DGND
DC2
DC1
COM
A3
A2
A1
DGND
DC2
DC1
COM
7
1
2
3
4
5
6
7
2
3
4
5
6
7
26
25
24
23
30
31
31
29
28
27
35
34
33
32
39
40
40
38
37
36
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
1
2
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
SPEAKER(L)
SPEAKER(R)
9
8
7
6
F
5
4
3
2
1
E
D
C
B
A
INTERCONNECTION SCHEMATIC DIAGRAME
DVD-LS837EE
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