Panasonic SA-PM250GT Servicehandleiding - Pagina 19
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6.6.
MAIN (USB) & TUNER CIRCUIT
1
2
3
SCHEMATIC DIAGRAM - 6
A
B
MAIN (USB) CIRCUIT
R6002...GS/GSX
CN6001
0
6
G
4
DGND
R6002...GT
B
USB_D+
3
J0JGC0000063
USB PORT
USB_D-
2
USB_5V
1
G
5
C6012
10P
R6006
1000P
C6013
10P
C
D
C
TUNER CIRCUIT
E
R82...GT
R81...GS/GSX
0
0
CK83
CK82
JK51
F
G3
C51
L51
1000P
G1CR18JA0020
FM ANT
G2
VA51
LB51
G1
B0ZBZ0000156
J0JYC0000656
FOR SA-PM250GT
L52
G2A380Y00002
G2
3
4
G
JK52
2
2
AM ANT
AM ANT
AM ANT
1
1
6
G1
NOTE: " * " REF IS FOR INDICATION ONLY
H
1
2
3
4
5
6
: +B SIGNAL LINE
: USB SIGNAL LINE
IC6003
C0DBZYY00712
HIGH SIDE SWITCH
R6003
0
PW_5V
SU
5
4
OUT
IN
C6010
0.1
EN
GND
/OC
1
2
3
DGND
SU
R6005
2.2K
USB_EN
MI
USB_OVC
MI
R6000
100K
PW_D3R3V
SU
D+
MI
D-
MI
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 1 ~ 2
SU: MAIN (SUPPLY): SCHEMATIC DIAGRAM - 3
: +B SIGNAL LINE
: TUNER AUDIO INPUT SIGNAL LINE
: FM SIGNAL LINE
C66
C69
33P
10P
IC52
R60
330
R59
2.2K
VUEALLPT087...GT
R66
0
VUEALLPT091...GS/GSX
AM/FM RADIO RECEIVER
T1
20
19 18
17
16
C67
LB52
LIN
3P
R65
0
1
NC
15
0
RIN
R51
2.2K
2
14
FMI
DFS
R52
560
3
RFGND
DOUT
13
THERMAL
PAD
L54...GS/GSX
4
AMI
GND
12
0
VDD
5
RST
11
L53
C65
C65
VIO
0
C61
3P
0
6
7
8 9
10
0.1
L54...GT
G1C4R7MA0495
C64
3P
C52
R55
220
0.47
R56
220
R57
1K
C62
0.1
FOR SA-PM250GS/GSX
4
5
6
7
8
9
: AM SIGNAL LINE
CN51
1
TUN_LRCK
2
TUN_DATA
B
3
TUN_BCK
TO
4
DGND
MAIN (DAMP)
5
PW_3R3V
CIRCUIT (CN8002)
6
TU_SCLK
IN SCHEMATIC
C68
7
TU_SDIO
DIAGRAM - 4
10
8
TU_RESET
9
TU_INT
R64
0
7
8
9
19
10
11
12
13
SA-PM250GS/GSX/GT MAIN (USB) / TUNER
10
11
12
13
14
A
B
C
D
E
F
G
CIRCUIT
H
14