Panasonic DMR-EH55EE, Service Manual

Page: 61 / 91

13.11. Nicam Decoder Section (Main P.C.B. (3/4)) Schematic Diagram (DE)
0.1(EXCEPT EG)
C7314
R7307 0
C7301
0.1
0.1
C7333
0
R7322
K7303
0
K7308 ERJ3GEY0R00V
C7332
0.1
ERJ3GEY0R00V
C7329
H0D245500016 X7301
C7330 8200P
C7312
F2A1V100A384
K7307
VWJ0795
220 R7313
R7312
220
ECA1CAK470XB
C7317
J0JCC0000124 LB7302
C7313
F2A1V100A384
C7324 0.1
C7323 1000P
LB7301
J0JCC0000124
R7324 220
R7325 220
41 40 44 42 43
29
28
27
34 36 35 38 37
32
33
31
30
39
25
24
26
13 21 19 18 20 22 15 14 17 16
23
12
10
3
2
4
1
9
7
5
6
8
11
IC7301
C1AB00002225
C7334 50V2.2 (EXCEPT EG)
2 1 3
IC7302
C0EAH0000051
J0JCC0000080
LB7303
0.01
C7306
0.1
C7340
G_SIFIN_A
G_TU_A_IN_A
TU_REG5V
GND
C7305
16V100
ECA1CAK101XB
C7303
L7304
2.2u
G0C1R0JA0019
L7303
R7326
0
LB7304
J0JHC0000032
R7304
100
G_IIC_DATA_A
G_DEC_L_A
G_DEC_R_A
G_IIC_CLK_A
C7307 10P
C7310
100P
100P C7309
C7308 10P
R7317 0
R7319 0
0.1
C7335
M
M
VDDA1/CDE1 SD0/LPF
VSSD1/N.C
TP1/N.C
TP2/N.C
VSSA1/N.C
SCL
SIF2/N.C
SIF1/IFINT
CRESET/CAF2
TEST1/N.C
VDDA2/MAD
VREF1/CAF1
VDDA3/VCC
VSSA3/VCC
VDDD1/CDE2
PCLK/N.C
VDEC2/AF1I
VSSD2/AGND
NICAM/AF1D
TPB/N.C
1REF/LF2
VDDR2/N.C
TEST2/N.C
VSSA2/N.C
ADDR1/AFR
XTAL0/LF1
XTAL1/XTAL
SDA
OUT L
VREF2/VREF P1 MONO IN/EXTM VSSD3/N.C EXTIL/EXTL EXT IR/EXTR OUTM P2 VSSA4/N.C
SCK/AF21
SYS CLK/CTRIG VDDD3/CID
OUT R WS/AF20
M
T
T
IN OUT G
M
AV
AV
GND
IN
OUT
3
2
1
Vref
+
-
PLL SC2
NARROW-BAND
FM DEMODULATOR
PLL SC1
NARROW-BAND
FM DEMODULATOR
2
AMPLIFIER
AF
1
AMPLIFIER
AF
SUPPLY
POWER
ADJUST
STEREO
DECODER
STEREO
TRANSCEVER
IIC BUS
NARROW-BAND PLL
PILOT
IDENTIFICATION
DIGITAL
AF SWITCH
11
10
9
8
7
6
5
4
3
2
1
34 35 36 37 38 39 40 41 42 43 44
23
24
25
26
27
28
29
30
31
32
33
22 21 20 19 18 17 16 15 14 13 12
DMR-EH55EE/GC/GCS/GN
Nicam Decoder Section
(Main P.C.B.(3/4))
Schematic Diagram(DE)
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
10 9 8 7 6 5 4 3 2 1
F
E
D
C
B
A
C
M:Main Net Section:(Page: ) A
AV:A/V I/O Section:(Page: ) B
DE:Nicam Decoder Section:(Page: ) C
T:Timer Section:(Page: ) D
IC7302
DECODER
IC-DETAIL BLOCK DIAGRAM
IC7301
RESET
IC-DETAIL BLOCK DIAGRAM
DMR-EH55EE / DMR-EH55GC / DMR-EH55GCS / DMR-EH55GN
61