Panasonic SA-PT250GCP Service Manual page 78

SA-PT250GCP
15 16 17
SCHEMATIC DIAGRAM - 2
DVD MODULE CIRCUIT
A75
TO DVD MODULE
SECTION (1/4)
C9018
VBUS_OUT
0.1
8 7 6 5 STBDAC
SBT3
IC9005
SBO3
C0DBZYE00002 ADAC-CLK
DMIXOUT
REGULATOR
SRCK
LRCK
1 2 3 4
C9006
AOUT0
0.1
AOUT1
AOUT2_1
USB_OVER
USB_VBUS
A78
A79
VCC_LB8001
A76
A77
R8622 C8622
680 12P AMUTE
A81
C8621
12P
A82
D-
X8621
H0J270500085 D+
L9005
J0MAB0000214
3 4
2 1
A83
C8430
6.3V47
LB8430
J0JHC0000045
A84
A85
R8424 0
A86
A87
A80
L8302
G1C100K00019
3R3_L8302
A88
A89
A90
3R3_L8301 L8301 G1C100K00019
A91
2.4K
R8311
A92
A93
R8312
C8311
1K
0.1
A94
A95
A96
A97
18 19 20
: +B SIGNAL LINE : DVD AUDIO SIGNAL LINE : DVD VIDEO SIGNAL LINE
IC8421
C0FBBK000050
AUDIO DAC IC
C8402 15P
1 ZERO1 ZERO2 28
2 MS VOUT1 27
3 MC VOUT2 26
4 MD VCOM 25
R8421 0
5 SCK AGND2 24
6 DATA1 VCC2 23
RX8403
BCK 22
7 VOUT3
D1H410120001
8 LRCK VOUT4 21
C8426 0.1
3 4 9 VDD VOUT5 20
1 2 10 DGND VOUT6
19
DATA2 18
11 AGND1
12 DATA3 VCC1 17
13 DATA4 VOUT7 16
14 MSEL
C8428 VOUT8 15
0.1
C8325
0.1
R8327 33
Q8325
2SB1218ARL
BUFFER
R8324
C8321
1K
0.1
R8323 33
C8340
0.1
Q8321
2SB1218ARL
BUFFER
L8330
G1C100K00019
R8334 C8331
C8330
1K
0.1
6.3V47
R8333 33
Q8331
2SB1218ARL
BUFFER
R8337 C8335
1K 0.1
C8320
R8336 33
0.1
Q8335
2SB1218ARL
BUFFER
R8343 C8341
1K 0.1
R8342 33
Q8341
2SB1218ARL
BUFFER
21 22 23
: MAIN SIGNAL LINE : USB SIGNAL LINE
Y_PY_G
CB_PB_B
CR_PR_R
Y
C
K8421 0
C8421
6.3V100
C8423
6.3V33
C8422
C8424
0.1 0.1
C8427
0.1
R8420
FL8103
2.2K
F1H0J1050018
D+5V
FL8102
AMUTE
F1H0J1050018
QR8420
UNR521100L
MUTING
FL8101
F1H0J1050018
IC8151
C0DBEHG00006
+1.2V REGULATOR
CTL VCC GND OUT ADJ
1 2 3 4 5
R8154
1K
R8153
620
A+5V
AGND
2R7V
C8152
C8151
4.7 1
TO DVD MODULE
SECTION (4/4)
78
24 25 26
FP8101
VGND
50
LB8303 J0JBC0000042
49 Y/PY/G
48 VGND
LB8304 J0JBC0000042
47 CB/PB/B
46 VGND
LB8305 J0JBC0000042
45 CR/PR/R
44 VGND
LB8301 J0JBC0000042
43 Y
42 VGND
LB8302 J0JBC0000042
41 C
40 ADAC5V
LB8421 ERJ2GE0R00X
39 MIX-L
38 ADAC5V
LB8422 ERJ2GE0R00X
MIX-R
37
36 ADGND
LB8425 ERJ2GE0R00X
35 FL
34 ADGND
LB8426 ERJ2GE0R00X
33 FR
32 ADGND
LB8427 ERJ2GE0R00X
31 SL
30 ADGND
LB8428 ERJ2GE0R00X
29 SR
28 ADGND
LB8429 ERJ2GE0R00X B
27 CNT
TO
26 ADGND
MAIN CIRCUIT
LB8431 ERJ2GE0R00X
25 SW (CN2001)
24 A-REF IN SCHEMATIC
LB8423 ERJ2GE0R00X
23 ZFLAG&AMUTE DIAGRAM - 7
LB8424 ERJ2GE0R00X D+5V
22
21 AUDIODIGTAL
LB8491 ERJ2GE0R00X
20 D+5V
19 D+5V
18 DGND
17 D+5V
16 DGND
15 A+5V
14 AGND
13 A+5V
12 AGND
11 2R7V
10 DGND
9 2R7V
8 DGND
M+9V
7
FL8104
6 MGND
F1J1E1040022
5 M+9V
4 MGND
LB8691 ERJ2GEJ101X
3 DOP_CPU-CLK
LB8693 ERJ2GEJ101X
CPU-CMD
2 DOP_CPU-CMD
LB8692 ERJ2GEJ101X
1 DOP_CPU-STAT
LB8690 J0JBC0000044
IC8691
C0JBAA000502
AND GATE
CPU-CLK
1 VCC 5
2
3 GND 4
IC8695
C0JBAA000502
AND GATE
CPU-STAT
1 VCC 5
1/4 2/4
SA-PT250GCP
2
C8695
0.1
3/4 4/4
DVD MODULE CIRCUIT
3 GND 4
27 28
A
B
C
D
E
F
G
H