Service manual

MD-R2
– 58 –
Figure 58-1 BLOCK DIAGRAM OF IC
IC1101 VHiiR3R55//-1:RF Signal Control (IR3R55)
IC1201 VHiLR376481-1:ENDEC/ATRAC (LR376481)
Figure 58-2 BLOCK DIAGRAM OF IC
1
2
3
4
5
6
7
8
9
10
11
12
27
26
25
RF1
RF2
RF3
RF4
REFI
REFO
RFADD
TCGI
AIN
BIN
EIN
FIN
36
35
34
33
32
31
30
29
28
ADIPI
ADIPO
NC
ADLPFO
22KO
22KI
WBO
TCGO
AOUT
BOUT
EOUT
FOUT
POUT GOUT ATTR EFMAGI EFMAGC AGND AVCC EFMI EFMO RF2-1 ADAGI ADAGC
BAIS
AVCC
XSTBY
XDISC
AGND
XSGAIN
DGND
DTEMP
LATCH
CLOCK
DATA
DVCC
LOGIC
HPF
LPF
BIAS
ADIP
AGC
DIFF
DIFF
EFM
AGC
RESISTOR & SW
13 14 15 16 17 18 19 20 21 22 23 24
48 47 46 45 44 43 42 41 40 39 38 37
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
12345678910111213141516171819202122232425
7574 73727170696867 6665646362 61605958575655 54535251
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
TOTMON
TEMON
SBCK
SBO
SBSY
SFSY
FOK
SENSE
COUT
MCCK
DINTX
VDD1
DGND
RSTX
SYD0
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
SYD7
SYWRX
SYRDX
SYRS
EFMO
PLCK
ACRCER
TCRS
RAD0
RAD1
RAWEX
RARASX
RAA9
RAD3
RAD2
RACASX
DGND
RAOEX
RAA8
RAA7
RAA6
RAA5
RAA4
VDD2
RAA10
RAA0
RAA1
RAA2
RAA3
FEMON DADATA ADDATA DFCK BCLK LRCK DGND VDD3 DOUT DIN XO XI DGND VDD1 VPO VXI CDBCLK CDLRCK CDDATA TEST4 TEST3 TESO1 EXPORT1 EXPORT0 X700KO
EFMMON
AVCC
EFMI
AGND
AIN EIN
TCG
BIN
FIN
VBAT
WBI
VDD1
DGND
TEST0 TEST1 TEST2
X176KO
FODRF
FODRR
TRDRF
TRDRR
SLDRF
SLDRR SPDRF
SPDRR
LR376481