Panasonic SA-BT222EB Service Manual page 109

1 2 3
SCHEMATIC DIAGRAM - 24
A
A MAIN(TUNER) CIRCUIT
B
C
JK2951
G3
FM ANT C2951
1000P G1CR18JA0020
G2
VA2951
G1 EZAEG2A50AX
LB2951
J0JBC0000032
D
E
F
G
H
1 2 3
4 5 6
: +B SIGNAL LINE : FM SIGNAL LINE
R2959
2.2K
C2958
IC2952 22P
VUEALLPT041
T1 20 19 18 17 16
C2957
FM RADIO RECEIVER
22P
L2951
1 15
NC
DOUT
2 FMI LOUT 14
3 Thermal ROUT 13
RFGND
Pad
4 12
AMI GND
VDD
R2963
5 RST 11
0
C2961
6 7 8 9 10
0.1
R2964
0
R2954
R2953
4.7K
4.7K
R2955 220
R2956 220
R2957 1K
C2962
0.1
4 5 6
7 8 9
C2959 1
R2951 1K
C2960 1 R2952 1K
R2962 R2961
47K 47K
7 8 9
109
10 11 12 13
G_TUN_GP_IO MA
G_TUN-LCH
MA
G_TUN-RCH MA
AGND
MA
TUN3R3V MA
BUS_TUN_SDIO_DA MA
CLK_TUN_SCLK
MA
TUN_REST MA
BP: MAIN(BP1): SCHEMATIC DIAGRAM - 1 ~ 2
D0: MAIN(BP1 CH0): SCHEMATIC DIAGRAM - 3
D1: MAIN(BP1 CH1): SCHEMATIC DIAGRAM - 4
DN: MAIN(DIGITAL NET): SCHEMATIC DIAGRAM - 5
EX: MAIN(EXBUS): SCHEMATIC DIAGRAM - 6 ~ 7
ET: MAIN(ETHER): SCHEMATIC DIAGRAM - 8
DH: MAIN(DAC HDMI): SCHEMATIC DIAGRAM - 9 ~ 10
FE: MAIN(BP1 FE): SCHEMATIC DIAGRAM - 11 ~ 14
PE: MAIN(BP1 PERI): SCHEMATIC DIAGRAM - 15 ~ 16
VO: MAIN(VIDEO OUT): SCHEMATIC DIAGRAM - 17
MA: MAIN(MICON): SCHEMATIC DIAGRAM - 18 ~ 23
TN: MAIN(TUNER): SCHEMATIC DIAGRAM - 24
SA-BT222EB/EG MAIN(TUNER)
10 11 12 13
14
A
B
C
D
E
F
G
CIRCUIT
H
14