Panasonic SA-XH50P Service Manual page 98

SCHEMATIC DIAGRAM - 4
I
A BACKEND CIRCUIT
J
K
FOC_DRV
OPEN_SW
CLOSE_SW
R8260 R8259
10K 10K
D+3R3V
R8261 R8262
10K 10K
TRV_DRV
FWD
L REV
L8251
J0JHC0000117
M+9V
LD-
LD+
TR+
TR-
F-
F+
K8251 C8256
0 0.1
M MGND
N
CL8101
C8112
O
P
1 2 3
: +B SIGNAL LINE : CD/DVD VIDEO INPUT SIGNAL LINE
: CD/DVD AUDIO INPUT SIGNAL LINE : HDMI/AUX/TUNER/OPTICAL AUDIO INPUT SIGNAL LINE
R8268 C8264
33K 0.1
R8266
1K
IC8251
C0GBY0000117
MOTOR DRIVER
1 VINFC MUTE 28
R8267
2 TRB1 BIAS 27
1K
3
REG02 VINTK 26
R8263
4 VINSL TRB2 25 4.7K
5 REG01 NC
24
6 FWD VINSP 23
7 REV GND 22
R8264
29 30 1K
GND(FIN) GND(FIN)
8 VCC(9V) VCTL 21
L8252
9 VOLD- NC 20
J0JHC0000117
10 VOLD+ PVCC 19
11 VOSL+ VOSP- 18
12 VOSL- VOSP+ 17
13 VOFC- VOTK- 16
14 VOFC+ VOTK+ 15
C8251 R8265 R8258
6.3V100 1K 6.19K
C8252
16V47
K8252
0
D8102 D8101
B0ECKP000002 B0ECKP000002
IC8112
IC8111
C0DBZYY00018
C0DBEHG00006
+3.3V REGULATOR
+1.8V REGULATOR
1 3.3V VCC 8
CTL VCC GND 1.8V ADJ
C8101 C8113
4.7 4.7
1 2 3 4 5
2 NC NC 7
R8101 3 GND NC 6
1.47K
CN CTL
4 5
C8111 R8102
C8114
1 10 1K
470P
T1
4 5 6
: AUDIO OUTPUT SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
TO BACKEND
CIRCUIT (1/6)
INNER_SW
DRVSB LB8012 0
GND TR-
TRK_DRV
TR+
SPN_DRV
CLOSE_SW
OPEN_SW
LD-
LD+
PW_USB_5V
T-
T+
RF_J
D8251
DA3X103E0L
R8255
2K
1
R8254 R8253 C8263
2.2 2.2 0.1
2
R8256
2K
RF_K
VDD_AFE
VDD1R8V
PW_DVD_D+5V
LB8121
J0JHC0000045
C8121
0.1
DUPTDO
DUPRDO
DUPTDI
DUPRDI
DOWNLOAD
DGND
7 8 9
98
FP8251
1 SP-
2 SP+
3 INNER_SW TO TRAVERSE PCB
4 DGND (DVD MECHANISM UNIT BRS1D)
5 TR-
6 TR+
FP8252
1 CLOSE_SW
2 DGND
TO LOADING PCB
3 OPEN_SW
(DVD MECHANISM UNIT BRS1D)
4 LD-
5 LD+
3
FP8001
1 VDD_3R3V
2 DUPTDO
FOR FIRMWARE
3 DUPRDO
DOWNLOAD
4 DGND
5 DGND
FP8002
1 VDD_3R3V
2 DUPTDI
FOR FIRMWARE
3 DUPRDI
DEBUG
4 DGND
5 DOWNLOAD
1/6 2/6 3/6
4/6 5/6 6/6
SA-XH50P/PC BACKEND
10 11 12
P1
TO BACKEND
CIRCUIT (5/6)
CIRCUIT
13 14