Read Sony CFD-S400 / CFD-S500 Service Manual online
CFD-S400/S500
19
19
6-4. BLOCK DIAGRAM — MAIN SECTION —
2
5
21
22
16
4
L-CH
R-CH
HRP301
RECORD/PLAYBACK
HEAD
HE301
ERASE HEAD
DET
ALC 2
RADIO L
18
15
L.LO
R.LO
LINE
TAPE
R-CH
TU_IN_R
TU_IN_L
TAPE
A2
VIN2
VOUT2
SEL2
LOGIC
13
SC
14
SI
VOLUME/SOUND PROCESSOR
IC303
POWER AMP
IC304
D322
R-CH
SP301
SPEAKER
(L-CH)
SP302
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
57
59
58 56
LIQUID CRYSTAL
DISPLAY PANEL
LCD801
SYSTEM CONTROLLER
IC802 (2/2)
77
36
78
60
DBB
68
COM0
|
COM3
S0
|
S16
EEPROM
IC803
REMOTE
CONTROL
RECEIVER
IC401
R-LAT
SCL
SAD
R-CLK
R-DATA
R-COUNT
76
RST
B-MUTE
46
MODE CHK
50
WP/INI
74
X1
75
X2
TUNER
X802
4.19MHz
RESET
IC804
70
XT1
71
XT2
X801
32.768kHz
3.3V
Q814
Q813
Q812,D807
VOL
48
1
3
KEY1
45
KEY2
44
KEY3
43
KEY4
42
Signal path
: FM
: AM
: TAPE PLAY
: TAPE REC
: CD
: FM
: AM
: TAPE PLAY
: TAPE REC
: CD
R-ch is omitted due to same as
L-ch.
L-ch.
REC/PB
PRE AMP
IC301
11
5
MEGA
BASS
CONTROLLER
Q122
3
2
B2
C2
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
1
2
24
REC
27
-1
-2
S301
(REC/PB)
REC
PB
VDD (SW)
KEY4
KEY3
KEY3
KEY1
KEY2
S802
(TAPE PLAY)
M801
CAPSTAN/REEL
MOTOR
17
16
CD_IN_R
CD_IN_L
S416-423
S424-427,S412-414
S409-411,S428-432
S401-408
S424-427,S412-414
S409-411,S428-432
S401-408
6
5
79
80
LED
DRIVER
Q401-404
S-VOCAL
S-POP
33
31
S-JAZZ
S-ROCK
32
30
AUDIO 6V
Q302
AC-HI
REMOTE
18
11 12
20
19
AM IN
FM IN
XOUT
XIN
CE
DI
CL
DO
13
MO/ST
10
IF IN
LPF2/MO-ST
LPF1/BAND
ST-IND
OSC-OUT
7
BAND
8
ST-IND
LP-OUT
17 LP-IN
1 PD
AM
OSC
AM
MIX
FM
MIX
FM
OSC
AM
RF-IN
RF-IN
FM
RF-IN
RF-IN
FM
RF-OUT
RF-OUT
X1
75kHz
FM/AM PLL
IC2
14
17
13
18
16
15
11
12
19
20
22
4
6
7
10
2
21
24
T1
CF4
L2
L1
CT1
RADIO 6V
RADIO 6V
D1
D2
CT3
D3
L3
AM
FERRITE-ROD
ANTENNA
CT3,L3
AM
TRACKING
CT1,L1
FM
TRACKING
ANT1
FM
TELESCOPIC
ANTENNA
IF
BUFFER
AM
DET
FM
DET
IF CUT
AF
BUFFER
FM
MPX
MUTE
IF CUT
R-OUT
L-OUT
TU_IN_R
RADIO 6V
QUAD
FM/AM FRONT END, IF AMP,
FM MPX
IC1
AM
FREQUENCY
COVERAGE
L4
RADIO 6V
L4
CF2
RADIO 6V
RADIO 6V
RADIO 6V
FM OSC
AM OSC
MIX-OUT
AM
IF-IN
IF-IN
FM
IF-IN
IF-IN
IF-OUT
DET-OUT
MPX-IN
T2
T2
FM IF
L2
FM
FREQUENCY
COVERAGE
VDD (SW)
1 2 3 4
T1
AM IF
U-COM
(VDD)
VDD(SW)
TREBLE/
BASS
CONTROL
6
8
10
1
ISS2
67
Q303
D324
KEY NETWORK
D401
ROCK
D402
POP
D404
VOCAL
D403
JAZZ
D405
OPR/BATT
D804
(Page 18)
(Page 18)
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