Panasonic PT-56LCX70 Service Manual page 66

PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
MAIN V SCHEMATIC DIAGRAM
TO M IV, M VI AG_DTV_+1.5V_ON 263
MAIN_L
TO M IX MAIN_L 337
MAIN_R
TO M IX MAIN_R 336
AD_SDA2
TO M III AD_SDA2 251
AD_SCL2
TO M III AD_SCL2 252
R4003
DTV_LRCK
TO M I LRCK0 13
DTV_BCLK
330
R4002
TO M I SRCK0 12
330
R4001 DTV_SDIN
TO M I 11
DMIX0
330
R4006 SPDIF_IN
TO M I IECOUT0 14
100
TO M I 24.576M 167
HDMI_SDIN
TO M VII HDMI_SDIN 264
TO M VII HDMI_LRCK 265
TO M VII HDMI_BCLK 266
TO M VII HDMI_SPDIF 267
R4039
22
TO M VI AG_AUDIO_XRST 268
SPDIF
D4001
C4060
B3RAE0000030
OPTICAL AUDIO OUT 0.1u[ZF]
GND
Vin
VCC
PT
JS4001 0
R4041 0
JS4002 0
R4040 0
IC4002
C0CBCBD00048 PT >> Monitor R C4058 R4030
R4032
(+3.3v REGURATOR)
L4005
10u 10V 16k 22k
C4048
J0JHC0000045
L
180p[JC]
R4004
100k
-
+
+
-
C4047
180p[JC] R
>> Monitor L C4059 R4031 R4033 C4049
16k
10u 10V 22k 33p[JC]
R4034
AUD3.3V 36k
L4001
C4025
0
C4022 C4023 6.3V
10u 0.1u[ZF] 47u
10V
C4006
10u R4010 C4026
C4004 100p[JC] 20k C4020
10V 0.1u[ZF] PT
0.1u[ZF]
R4011 20k
C4007 R4012 20k
C4005 100p[JC] 10u 10V
C4012
C4013
C4008 47u
0.1u[ZF] 0.1u[ZF] 1 60
+ 6.3V
C4033 0.1u[ZF]
C4009 2 59
47u +
3 58
6.3V
C4039 10u
C4014 0.1u[ZF]
4 AVDD 57
HPOUTL1 10V
C4010 AINL1 NC
10u 5 NC 56
AINR1 NC AGND C4037 0.1u[ZF]
10V C4054
C4055 6 NC ISET NC 55 R4022 2k
AGND
C4056 7 NC 54
PLL_LF
PT
C4052 C4034 1000p[KB]
8 NC 53
AVDD
C4038 PT
C4057 9 NC IC4001 52
DGND
C4053 C1AB00002747
10 NC 51
C4011 DVDD
(AUDIO-DSP) C4040 PT
10u 11 AGND 50 C4036 0.1u[ZF]
RESETB
10V
C4015 0.1u[ZF] 12 AVDD 49 Low:RESET
SIF3.3V NC
ADAV4xyz
13 DGND 48
NC
SLV: 34h
C4016 0.1u[ZF] 14 DVDD 47
NC
MUTE(ES2-) Low:MUTE R4025
R4007 15 MUTEB 46
NC
100 R4008 22 DVDD DVDD PT
16 SDA 45
SDIN0 SPDIF_IN PWM2B
R4009 22 R4013 10k
17 SCL SDIN1 SPDIF_OUT 44
PWM2A
DTV_LRCLK >> 18 43 SQ_L-
DTV_BCLK >> SQ_L+
19 42
20 41
EXB38VR000V
DTV_SDIN >>
DVDD3.3V
L4002 C4030 C4031
J0JHC0000078 10u
0.1u[ZF]
10V
C4017 C4018 C4019 C4021 C4028 DVDD1.8V
0.1u[ZF] 10u 0.1u[ZF] 0.1u[ZF]
HDMI_SDIN >>
10V R4023
12p[JC] 10k
HDMI_LRCLK >>
R4014
HDMI_BCLK >> C4029
10k
PA4001
X4001 12p[JC]
H0J245500042
K5H1622A0023 Q4003
2SB0766ARL
R4044
(SWITCHING)
PT
R4017
from DTV >> 24.576MHz
0
PT
Q4001
2SD1819A0L
(AUDIO MUTE)
MUTE from D-AMP <<
R4026
1k
Q4002
2SD1819A0L
(AUDIO MUTE)
R4027
1k
L4004
G1C101KA0055
100u
R4035
36k
C4050
33p[JC]
IC4003 Q4502
2SB1218A0L
C0ABBB000230
(OP AMP) (SWITCHING)
R4518
100
R4517
2200
C4051 Q4501
0.01u[KB] PT
2SD1819A0L
D4502 R4515 (+ V REGURATOR)
MA2J111008 470
Q4503
2SD1819A0L
(SWITCHING)
R4506
IC4004
47k
C0DBFFD00003
(+1.8V REGULATOR)
1 7 SUB3.3V
2
6
3
R4045
4 5
274 TV_SUB_ON_DELAY TO M VI
PT
Q4505
2SD1819A0L
R4524
D4503
(AUDIO MUTE)
MA3X152D0L
2200
Q4506
Q4504 2SB1218A0L
2SD1819A0L (AUDIO MUTE)
(AUDIO MUTE)
R4520
1k
Q4508
R4529
2SB1218A0L
D4505
10k (AUDIO MUTE)
MA3X152E0L
R4527
Q4507
10k
2SD1819A0L
(AUDIO MUTE)
66
VIDEO SIGNAL AUDIO SIGNAL
JS4502
JS4503
JS4504
JS4505
JS4506
CN4502
C4534
NP 4.7u 1
R TW POS
C4535 25V
NP 4.7u 2
R TW NEG
C4536 25V
NP 4.7u 3
L TW POS
C4537 25V
NP 4
4.7u
L TW NEG
25V
278
CN4501
IC4501
C1AB00002730
1
(AUDIO POWER AMP) KEY1
R4501 R4509
1 GVDD_B 44 2 GND
GVDD_A
10 C4517 10 L4504
2 -OTW 43 3
R POS
BST_A
G1C100MA0173
0.033u[KB]
3 NC 42 4
R NEG
NC
4 NC 5
41
L POS
PVDD_A
6
5 -SD 40
L NEG
PVDD_A
6 PWM_A 39
OUT_A
7 -RESET_AB 38
GND_A
8 PWM_B 37
GND_B
R4502
9 OC_ADJ
36
OUT_B
47k
10 GND 35
PVDD_B L4503
C4512
11 AGND 34
G1C100MA0173
BST_B
0.033u[KB]
C4511
12 VREG 33
L4502
BST_C
0.033u[KB]
13 M3 32 G1C100MA0173
PVDD_C
14 M2
31
OUT_C
15 M1 30
GND_D
16 PWM_C 29
GND_D
17 -RESET_CD 28
OUT_D
18 PWM_D 27
PVDD_D
19 NC 26
PVDD_D
20 NC
25
NC
R4504 C4506 L4501
21 VDD 24
BST_D
G1C100MA0173
10 R4505 0.033u[KB]
22 GVDD_C 23
GVDD_D
10 R4508
10
PT-56LCX70/PT-61LCX70/PT-50LCX7/PT-56LCX7
/PT-61LCX7/PT-50LCX7K/PT-56LCX70-K/PT-61LCX70-K
PT
KEY1 TO M VI
TO FRONT JACK/OPERATION P.C.B.
CN6701-7,8
TO SPEAKER (R-CH)
TO SPEAKER (L-CH)
MAIN V SCHEMATIC DIAGRAM