Read Sony CFD-W57L Service Manual online
CFD-W57L
5-4. BLOCK DIAGRAM — MAIN SECTION —
– 23 –
– 24 –
M
1
32
29
30
10
95
99
94
29
22 20 19 21
4
11
5
6
7
39
40
37
38
18
2
97
50–53
7
28
27
13
12
20 19 18
25 24 26
96
28
21
14
15
14
2
9
12
3
23
15
12
A-L
B-L
TR-C
TR-B
TU-L
CD-L
CD L-CH
REC EQ
S301-1
REC
PB
BIAS
OSC
LOGIC
MIC/HS
A/B
NOR/HI
FUNCTION
OUT-L
OUT-R
R-CH
PRE-AMP
IC301
RV301
TAPE
SPEED
Q321
A
B
–
+
ISS2
Q319
ISS1
Q320
Q326
Q322
Q304
T301
Q325
10V REG
Q318
12V
R-CH
R-CH
R-CH
L-CH
HRP301
RECORD/
PLAYBACK
HEAD
(DECK B)
L-CH
R-CH
HP301
PLAYBACK
HEAD
(DECK A)
1
CD SECTION
S602
(MD POWER)
DECK B
S605
(MD POWER)
DECK A
PON+B
S301-2
REC
PB
REC
COM0
ISS1
ISS2
COM3
54–76
92•93
33–36
SEG0
SEG22
CE
CLK
DATA
COUNT
LCD801
TUNER
TUNER
SURROUND
TONE
VOL
CONTROL
TUNER
CD
TAPE
L.DET
CK
DATA
BC
LATCH
VOLUME/SOUND CONTROL
IC302
POWER AMP
IC303
Q307
Q308
Q101
IN1
OUT1
VC
SP901
SPEAKER
(L-CH)
R-CH
R-CH
J301
Q301
Q302
S604
(MD PLAY)
DECK A
100
27
S603
(MD PLAY)
DECK B
LOW DET
Q323
CE
A-MUTE
DATA
CLOCK
REG-CHK
TC2
TC1
TUNER
CD
5V
VOL
X802
32.768KHz
X801
4.19MHz
CLOCK
SHIFT
Q802
CLOCK
SHIFT
Q801
RESET
IC802
COM 5V
RESET
ST
MUTE
KEY1
KEY4
W/UP
3
SIRCS
RECEIVER
IC811
RMC
SFT-CLK
XTAL1
EXTAL1
TXE
TX
D801–803, 806
S811–834
BL-CONT
23
P.CON
LAMP ON
SWITCH
Q805, 806
CD 5V
SWITCH
Q316, 317
TUNER 6.8V
REG
Q305, 306
CD 7V
REG
Q315
PL801–803
POWER ON
SWITCH
Q312, 313
7.5V REG
Q311
RECT
D901– 904
B+ SWITCH
Q309, 310
5V REG
IC304
CD 5V
CD
TU 6.8V
5V
SW 5V
COM 5V
5V REG
Q314
D811
OPR/BATT
D310
D303
D302, 309
D906
PON+B
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
4PCS, 6V
<BACK UP>
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS, 12V
PON+B
PON+B
TUNER
7.5V
CD 7V
12V
PON+B
T901
POWER
TRANSFORMER
J901
AC IN
CE
CK
DA
CD
MW
10 LW
21
16 17
1
2
8
15
10
14
18
19
22
21
23
24
3
7
17
16
12
11
18
9
1
PD1
AM IN
FM IN
XOUT
XIN
IF IN
MO/ST
FM
X1
75KHz
9
14
AM
OSC
FM
OSC
AM
MIX
FM
MIX
AM RF
FM
RF
RF
IF
BUFFER
MO/ST
BAND
ST-IND
AM
DET
6
FM
DET
AF
BUFFER
H. FREQ.
CUT
Q9
H. FREQ.
IF CUT
Q11
MUTE
CONTROL
Q18, 19
FM
MPX
MUTE
R-CH
Q15
QUAD
VCO
13
IF CUT
R
L
CF4
CF3
CF2
CF1
CFT1
Q23
D3
D4
CT1
L1
L2
LW
SWITCH
Q6
VT
LPF
Q13
REG
Q14
MW/LW
SWITCH
Q2–5
L3
CT4
CT5
CT5
AMP
Q1
MW/LW
FERITE-ROD
ANTENNA
PON+B
FL1
04
D304
BPF
ANT1
FM
TELESCOPIC
ANTENNA
Q21
Q22
D5
L4
CT2
CT3
CT3
FM/MW/LW FRONT-END, IF DET,
FM STEREO DEMODULATOR
IC1
SYSTEM CONTROL
IC801 (2/2)
PLL
IC2
Signal path
: FM
: MW
: PLAY (DECK A)
: PLAY (DECK B)
: REC (DECK B)
: CD
S301-3
HIGH
NORMAL
Q17
Q10
Q12
OSC
Click on the first or last page to see other CFD-W57L service manuals if exist.