Nicam Decoder Section (Main P.c.b. (3/4)) Schematic Diagram (De) - Panasonic DMR-EH55EE Service Manual

13.11. Nicam Decoder Section (Main P.C.B. (3/4)) Schematic Diagram (DE)

IC7301
RESET
IC-DETAIL BLOCK DIAGRAM
M G_SIFIN_A
M GND
OUT
M G_TU_A_IN_A
1 3
IN
M TU_REG5V
-
F
+
Vref
GND
2
IC7302
DECODER
IC-DETAIL BLOCK DIAGRAM
44 43 42 41 40 39 38 37
E
AF SWITCH
1
2
3
4
STEREO
DECODER
STEREO
D
ADJUST
5
6
POWER
7
SUPPLY
8
AF AF
AMPLIFIER AMPLIFIER
1 2
9
C
10
FM DEMODULATOR FM DEMODULATOR
NARROW-BAND NARROW-BAND
PLL SC1 PLL SC2
11
12 13 14 15 16 17 18 19
T G_IIC_CLK_A
T G_IIC_DATA_A
AV G_DEC_R_A
AV G_DEC_L_A
B
A
M:Main Net Section:(Page: )
B
AV:A/V I/O Section:(Page: )
A
DE:Nicam Decoder Section:(Page: C )
T:Timer Section:(Page: D )
1 2
L7304 R7326
2.2u 0
LB7304
L7303 LB7303
J0JHC0000032 G0C1R0JA0019 J0JCC0000080
C7306
0.01
36 35 34
IC7302
C0EAH0000051
33
IN G OUT
1 2 3
32
DIGITAL
IDENTIFICATION
31
PILOT
NARROW-BAND PLL
30
IIC BUS
29
TRANSCEVER
28
27
26
25
24
23
20 21 22
C7310
100P
3 4
22 21 20 19 18 17 16
23 SIF2/N.C
C7333
0.1
24 VREF1/CAF1
25 SIF1/IFINT
R7304
C7301
100
0.1
26 CRESET/CAF2
IC7301
27 VSSA3/VCC C1AB00002225
C7335
0.1
28 VDDA3/VCC
R7324 220
29 SCL
R7325 220
30 SDA
31 SD0/LPF
32 WS/AF20
33 SCK/AF21
34 35 36 37 38 39 40
C7317
ECA1CAK470XB
R7319 0
R7317 0
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
5 6 7
61
DMR-EH55EE / DMR-EH55GC / DMR-EH55GCS / DMR-EH55GN
R7322
0
K7308 ERJ3GEY0R00V
K7303
0
15 14 13 12
C7314
TP1/N.C 11 0.1(EXCEPT EG)
NICAM/AF1D 10
TP2/N.C 9
VDEC2/AF1I 8
VSSD2/AGND 7
LB7301
J0JCC0000124
VDDD1/CDE2 6
C7323 1000P
VSSD1/N.C 5
C7324 0.1
VSSA1/N.C 4
K7307
VDDA1/CDE1 3
VWJ0795
OUT R 2
OUT L 1
41 42 43 44
C7313 C7312
F2A1V100A384 F2A1V100A384
DMR-EH55EE/GC/GCS/GN
Nicam Decoder Section
(Main P.C.B.(3/4))
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
Schematic Diagram(DE)
8 9
C
10