Sony MZ-R50 - MD Walkman MiniDisc Recorder Service Manual page 43

MZ-R50
IC BLOCK DIAGRAMS – MAIN (1/3) SECTION –
r
IC501 CXA2523AR-T4
I
J
VC
A
B
C
D
E
F
PD
APC
APCREF
47 46
48
RFA I
RF A2
1
1
2
2
CFST
1
CVB
2
3
GRVA
4
I VR
AA
5
I VR
BB
6
I VR
CC
7
I VR
DD
8
I VR
EE
9
I VR
FF
FBAL
GSW 1V
10
11
12
13 14
– 61 –
45 44 43 42 41 40
USROP
RF AGC
USRC
BPF3T
PEAK3T
HLPT
1 3T
2
3T
PTGR
PEAK
1
BOTTOM
2
GRV
WBL
ABCDA
FEA
BPF 22
ADIP
WBL
AGC
ATA
WBL
PTGR
EE
EFB
TESW
WBL
FF
3T
EQ EQ
AUXSW
BGR
COMMAND
VREF
SCRI - PARA
DECODE
15 16 17 18 19 20
39 38 37
EQ
DET
EQ
P-P
WBL
TEMP
BOTM
36
PBH
35 ABCD
FE
34
33 AUX
BPFC
32
ADFG
31 ADAGC
30 ADIN
DET
29 ADFM
1
28
SE
2
SEA
CSLED
27
1
TE
26
2
TEA
VI CONV 25 WBLAD
21 22 23 24