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L7302 1u
AUDIO SIGNAL PATH
X7302 VSX0953
F
C7316 0.1 3.3 22 TEST1 21 VDDA2 20 VSSA2 19 VDDR2 R7327 8200 2.0 18 1 REF 17 TEST2 16 TP3 1.6 15
R7325 0 1.6 14 XTAL O 13 ADDR1 XTAL I 0.4 12 PCLK
E
2.0 23 C7315 0.1 SIF2 TP1 11 NICAM DEMODULATION
2.0 24 VREF1
INPUT SWITCH AGC, ADC FM/AM DEMODULATION
NICAM
0.4 10
TO POWER SUPPLY/RF SECTION PK7301 (C-10)
PK7301 QPSK/SIF GND TUNER AUDIO (N)
D
TUNER 5V
1 2 3 4 5 6 7
1.6 0
C7307 0.01
R7302 0
C7311 0
2.0 25
SIF1
TP2 9
IC7302 PST7043
4.9 (RESET)
4.9 26 CRESET DEMATRIX
NICAM DECODER
0 VDEC2 8
27 VSSA3 IN 1 4.9 C7343 2200P L7301 0 GND 2 4.9 C7308 50V2.2 C7312 22P OUT 3 4.9 28 VDDA3 R7305 100
IDENTIFICATION 2 CHANNEL ANALOG/ SATELLITE DECODER DIGITAL SELECTOR LEVEL ADJUST
VSSD2 7 LB7301 0 C7325 0.1
4.8 VDDD1 6
4.8 29
SCL
IIC BUS INTERFACE
VSSD1 5
TO POWER SUPPLY/RF SECTION PK7302 (B-10)
C
PK7302 SYS IIC CLOCK SYS IIC DATA TUNER AUDIO (R) GND TUNER AUDIO (L)
1 2 3 4 5 6
4.8 4.6 0 0 C7305 33P C7306 33P
R7306 100
4.6 30
SDA POST FILTER 3 DACS
VSSA1 4 C7324 0.1
1.2 31
SDO 2 CHANNEL OUTPUT BUFFERS
4.9 VDDA1 3
FL7301 VLF0633 1 C7304 6V100 C7301 0.01 2 3
1.2 32
WS
IIC BUS INTERFACE
OUT R
2.5 2
1.2 33
SCK ANALOG CROSSBAR SWITCH
OUT L MONO CHANNEL OUTPUT BUFFERS 1
2.5
MONO IN
SYS CLK
VDDD3
B
C7341 4700P 1.2 C7342 4700P R7316 10K
VSSD3
34 4.8
35
36 4.9
37 2.4
38 2.4
39 2.4
40 2.4 C7318 6V47
41 4.9
42 2.5
43
44
VSSA4
VREF2
OUT M
EXTIR
EXTIL
P1
P2
IC7301 TDA9874AH
R7324 220 R7328 220 R7329 220
LB7303 0
TL7303 C7313 0.1
TL7304
TL7301
C7317 16V10
C7319 16V10
C7320 16V10
A
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING. WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
NV-FJ632EE NICAM DECODER PACK SCHEMATIC DIAGRAM
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