CFD-S250L
19
19
2
5
21
22
16
4
L-CH
R-CH
HRP301
RECORD/PLAYBACK
HEAD
HE301
ERASE HEAD
DET
Q204
Q112
ALC 2
RADIO L
18
15
L.LO
R.LO
LINE
TAPE
R-CH
TU_IN_R
TU_IN_L
TAPE
LOGIC
5
CLOCK
4
DATA
POWER AMP
IC304
D322
LINE AMP
6V
AUDIO
6V
R-CH
SP201
SPEAKER
(L-CH)
SP101
SPEAKER
(R-CH)
J321
REF
L.LINE
L.RO
REC
L.RAD
R.RAD
T301
REC BIAS OSC
Q301
ISS1
66
TAPE
37
V-CLK
V-DATA
CD
CD-CONT
26–10
6 – 9
LIQUID CRYSTAL
DISPLAY PANEL
LCD401
SYSTEM CONTROLLER
IC802 (2/2)
77
36
78
DBB
68
LINE IN
34
COM0
|
COM3
S0
|
S16
EEPROM
IC803
REMOTE
CONTROL
RECEIVER
IC401
SCL
SAD
46
MODE CHK
50
WP/INI
Q813
Q812,D807
VOL
48
1
3
KEY1
45
KEY2
44
KEY3
43
KEY4
42
Signal path
: FM
: MW
: TAPE PLAY
: TAPE REC
: CD
R-ch is omitted due to same as
L-ch.
REC/PB
PRE AMP
IC301
11
5
MEGA
BASS
CONTROLLER
Q122
POWER
CONTROL
Q816,817
20
6
14
R.LINE
8
R.IN
L.IN
9
R.RO
i
A-MUTE
35
MUTE
Q124
LEVEL
DETECT
D323
TC-PLAY
49
M
TAPE PLAY
DETECT
Q808
24
REC
27
-1
-2
S301
(REC/PB)
REC
PB
VDD (SW)
KEY4
KEY3
KEY1
KEY2
S301
(TAPE PLAY)
M301
CAPSTAN/REEL
MOTOR
17
CD_IN_R
CD_IN_L
S417-424
S413-416,425,426,428
S409-411,
S401,402,434-438
6
5
79
80
Q406
3.3V
S439
AUDIO 6V
Q302
AC-HI
REMOTE
TU_IN_R
U-COM
(VDD)
VDD (SW)
1
ISS2
67
Q303
Q814
KEY NETWORK
D405
OPR/BATT
D804
VIN2
VOUT2
IC301
ELECTRONIC VOLUME
8
7
VOL AMP
J303
LINE IN
Q111
Q205
LINE AMP
Q942
57
59
58 56
60
R-LAT
R-CLK
R-DATA
R-COUNT
76
RST
B-MUTE
74
X1
75
X2
TUNER
X802
4.19MHz
RESET
IC804
70
XT1
71
XT2
X801
32.768kHz
3.3V
1
2
1 2 3 4
11 12
20
19
CE
CL
DI
DO
AM IN
FM IN
XOUT
XIN
13
MO/ST
10
IF IN
LPF2/MO-ST
LPF1/BAND
IF-OUT
ST-IND
OSC-OUT
9
BAND
7
BAND
8
ST-IND
18 LP-OUT
6 MW/LW
AM
OSC
AM
MIX
FM
MIX
FM
OSC
AM RF-IN
FM
RF-IN
FM
IF-IN
AM
IF-IN
X1
75kHz
FM/MW/LW PLL
IC2
14
17
13
18
16
15
11
12
19
20
22
4
6
7
10
2
21
24
T1
T2
CF4
L2
L1
CT1
RADIO 6V
RADIO 6V
D1
D2
CT3
CT5
D3
-2
LW
-1
MW
CT3,L3-1
MW
TRACKING
CT5,L3-2
LW
TRACKING
L4
LW FREQUENCY COVERAGE
CT1,L1
FM
TRACKING
L2
FM
FREQUENCY
COVERAGE
T2
FM
IF
T1
MW
IF
ANT1
FM
TELESCOPIC
ANTENNA
IF
BUFFER
AM
DET
FM
DET
IF CUT
AF
BUFFER
FM
MPX
MUTE
MW/LW
HIGH
CUT
Q12
IF CUT
R-OUT
L-OUT
RADIO 6V
QUAD
FM/MW/LW FRONT-END, IF AMP,
FM MPX
IC1
L4
RADIO 6V
CF2
RADIO 6V
RADIO 6V
RADIO 6V
MW SW
Q41
L3
MW/LW
FERRITE-ROD
ANTENNA
LW SW
Q43
LW SW
Q44
REG
Q61
MW SW
Q42
MW/LW
SW
Q14
RA6V
AM
OSC
MIX-OUT
FM
RF-OUT
FM OSC
DET-OUT
MPX-IN
VDD (SW)
D324
6-4. BLOCK DIAGRAM — MAIN SECTION —
(Page 18)
(Page 18)
Summary of Contents for CFD-S250L
Page 55: ...3 CFD S250L MEMO ...