Sony CFM-S1 Service Manual ▷ View online
13
13
CFM-S1
4-4. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –
z
Refer to page 14 for Notes.
z
Refer to page 15 for IC Block Diagrams.
14
CFM-S1
14
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise specified.
•
f
: internal component.
Note: The components identified by mark 0 or dotted line with
mark 0 are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
• A : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 6V and fed with regulated dc power supply
• H : adjustment for repair.
• Power voltage is dc 6V and fed with regulated dc power supply
from external power voltage jack.
• Voltages are dc with respect to ground under no-signal (detuned)
conditions.
• Voltages are dc with respect to ground in playback mode.
no mark : FM
(
(
) : SW1, SW2, MW (RADIO SECTION), PLAY (TAPE
SECTION)
<
> : MIC REC
[
] : RADIO REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Signal path.
F
: FM
E
: PB
a
: REC
• Abbreviation
EA
: Saudi Arabia
UAE
: United Arab Emirates
Note on schematic Diagram: MAIN SECTION (1/2), (2/2)
15
CFM-S1
• IC BLOCK DIAGRAMS
IC1 TA2132AF
IC101 MM1315BD
16
15
14
13
FM
OSC
FM RF
OUT
AM/FM
SW
AM RF
IN
12
11
10
9
QUAD
AFC
DET
OUT
AM
OSC
16
15
14
13
FM/AM
FM
OSC
AM
OSC
FM
OSC
FM RF
OUT
AM/FM
SW
AM RF
IN
12
11
10
9
AFC
DET
OUT
AM
OSC
AM
DET
FM
DET
FM
MIX
AM
MIX
AGC
1
2
3
4
AGC
RF
GND
MIX
OUT
FM RF
IN
5
6
7
8
GND
FM IF
IN
AM IF
IN
VCC
AM
RF
FM RF
AF
BUFF
FM
IF
AM
IF
TAPE/AUX
REC/PLAY
MIX/ECM
NC
REC
POWER ON/OFF
AUX-IN
LPF
ALC DEL
P.VCC
P.VCC
POWER GND
PBTL2
POP DEL
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
MIC-IN
POWER GND
POWER IN
LIN-OUT
RIPPLE
FILTER
RIPPLE
FILTER
SIG VCC
SIG-GND
BIAS
VBIAS
TAPE EQ
TAPE NF
HEAD-IN(–)
HEAD-IN(+)
MIC N.F
BTL1
21
22
23
24
25
26
27
28
29
30
2
3
5
4
6
7
8
9
10
1
17
18
19
20
11
12
13
14
15
16
16
CFM-S1
The components identified by mark 0
or dotted line with mark 0 are critical
for safety.
Replace only with part number specified.
or dotted line with mark 0 are critical
for safety.
Replace only with part number specified.
SECTION 5
EXPLODED VIEWS
NOTE :
• -XX, -X mean standardized parts, so they
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference
number in the exploded views are not
supplied.
supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
5-1. FRONT CABINET SECTION
#2
#2
#2
#1
#1
#1
ECM101
SP1
4
5
1
2
3
6
1
3-226-090-01 LID, CASSETTE
2
X-3380-354-1 CABINET FRONT SUB ASSY
3
3-226-062-01 SPRING (CAS)
4
3-922-112-31 DAMPER
5
3-226-056-01 LID, BATT
6
X-3380-400-1 WINDOW SUB ASSY(E,UAE)
6
X-3380-568-1 WINDOW SUB ASSY(EA)
ECM101 1-542-118-11 MICROPHONE, ELECTRET CONDENSER
SP1
SP1
1-529-973-11 SPEAKER
• Abbreviation
EA
: Saudi Arabia
UAE
: United Arab Emirates
Ver. 1.1
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