Panasonic SC-ZT1GN Service Manual page 156

18.1.14. WIRELESS TX CIRCUIT
1 2 3
SCHEMATIC DIAGRAM - 14
A
F WIRELESS TX CIRCUIT
CN4702
19
B AGND 19
AGND
18
CH1_L_OUT 17
AGND 16
CH1_R_OUT 15
14
AGND
CH2_L_OUT 13
C
AGND 12
TO
MAIN CIRCUIT CH2_R_OUT 11
(CN4701) AGND 10
IN SCHEMATIC +7VA 9
DIAGRAM - 7 +5V 8
PGND 7
C
WM_DET 6
SD0 5
SDI 4
SCL 3
SSB 2
INT 1
1
D
E
F
G
H
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
R4709 LB4721
R4713 R4705
J0JBC0000014
100 100 2.7K
C4709 C4705 C4701
C4713
R4714
1000P
100P 100P 100P
100
R4710 R4706 C4702
C4714 C4710 C4706 LB4722
100
1000P 2.7K 100P J0JBC0000014 100P
100P
C4703
C4715 C4711 C4707 LB4723
R4715 R4711 R4707
100P 1000P 100P J0JBC0000014 100P
100 100 2.7K
R4716 LB4724
C4716 R4712 C4712 R4708 C4708 C4704
100 100P 100 1000P 2.7K J0JBC0000014 100P
100P
4 5 6
7 8 9
TP4701*
C4718
0 CN4703
1 AGND
2 CH1_L_OUT
R4701
3 AGND
4.7K
4 CH1_R_OUT
5 AGND
R4702
4.7K 6 CH3_L_OUT
7
AGND
R4703
8 CH3_R_OUT
4.7K
9 AGND
10 CH2_L_OUT
R4704
11 AGND
4.7K
12 CH2_R_OUT
TO WIRELESS TX CARD
13 +5V
C4721 C4719
14 5V_GND
0.1
6.3V1200
15 WM_DET
16 SD0
17 SDI
18 SCL
19 SSB
20 INT
21 SM0
C4720 SM1
22
10
23 CH4_L_IN
24 ADC_V
25 CH4_R_IN
26 AGND
7 8 9
156
10 11 12
SC-ZT1GN/GS(SU-ZT1GN/GS) WIRELESS TX CIRCUIT
10 11 12
13 14
A
B
C
D
E
F
G
H
13 14