Sony CFS-1085SMK2 Service Manual ▷ View online
CFS-1085SMK2
17
17
4-7. SCHEMATIC DIAGRAM – TUNER SECTION –
CNP1
CV1
S1(8/8)
C1
L5
D1
D2
C22
L7
S1(5/8)
S1(6/8)
S1(7/8)
C24
CT6
L6
C23
CT8
L8
C25
10P
10P
L4
C26
C27
C28
S1(1/8)
S1(3/8)
R16
R14
C34
Q1
R15
C21
CF3
R6
C11
C20
R11
C19
C6
18P
C5
R2
C7
C2
C37
L13
R3
CF4
R5
CF1
R4
C9
Q2
C13
R19
S1(4/8)
D5
C15
C10
C12
R24
C31
C17
R8
R7
C16
R9
C18
CN304
S1(2/8)
C36
C29
L2
L1
R13
C14
RV1
T1
VR1
IC1
ANT1
C4
D6
R20
Q3
R21
R22
R25
D3
R18
220p
1SS133
1SS133
4.7p
3p
3p
1500p
4700p
390p
1k
100k
0.001
KRC3198GR
1k
10
10V
100
2.2
50V
50V
0.47
50V
2.2k
4.7
50V
10
50V
100k
2.2P
100p
0.47
2.2k
680
330
100p
KRC107M-AT
0.01
10k
1SS133
1
50V
47
16V
47
16V
150
0.01
0.015
6.8k
6.8k
0.015
680
1
50V
0.001
20p
10k
4.7
50V
50V
22k
100K
CXA1538S
FM/SW
TELESCOPIC
ANTENNA
0.01
1SS133
10k
KRC107M-AT
BAND
SWITCH
10k
10k
3.3k
L-34HD
3.3k
R
L
FM
SW1
SW2
MW
FM
SW1
SW2
MW
GND
MUTE
ST
18P
-3
CV1-C
T3
CV1-1
CV1-CT1
CV1-2
CV1-CT2
CV1-4
CV1-CT4
CV1(1/4)
CV1(2/4)
CV1(4/4)
FM
SW1
SW2
MW
FM
SW1
SW2
MW
FM
SW1
SW2
MW
FM
SW1
SW2
MW
FM
SW1
SW2
MW
+B
FM/AM
DET,FM MPX
FRONT-END,IF,
FM
SW1
SW2
MW
FERRITE-ROD
L3
ANTENNA
FM
TRACKING
FM VCO
FREQUENCY
COVERAGE
FREQUENCY
COVERAGE
FREQUENCY
COVERAGE
FREQUENCY
COVERAGE
FM
AM IF
FINE TUNING
L5
TRACKING
TRACKING
TRACKING
L7
MW
SW2
SW1
MW
L1,CT1
L2,CT2
MW
L8,CT8
SW2
L6,CT6
SW1
FINE TUNING
SELECT
BAND
L3,CT3
L4,CT4
TUNING
FM STEREO
BOARD
MAIN
CNP304
(Page 15)
(Page 15)
C38
100P
100P
0 (5.8) <5.8>
5.8
CFS-1085SMK2
18
18
IC303 MM1468XD
4-8. IC BLOCK DIAGRAMS
– MAIN Board –
IC301 TA2068N
1
N.C
2
B.S.2
3
OUT1
4
B.S.1
OUT2
VCC
5
POWER GND
6
ST
-BY
7
FL
TR
8
NF1
9
IN1
10
IN2
11
NF2
12
PRE GND
PRE GND
13
14
15
BS
BS
ST. BY
FILTER
T. S. D
23
22
21
4
5
6
3
2
1
20
24
7dB
LOGIC
ALC1
DET
26dB
15
16
17
9
8
7
10
11
12
18
19
14
13
7dB
ALC2
26dB
15k
6k
6k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
1k
1k
1k
1k
LINE
RADIO
RADIO
TAPE
TAPE
TAPE
L.RAD
MIC
I/EX
L.CD
RADIO
R.CD
TAPE
R.RAD
MIC
REC
L.LO
R.LO
VCC
LINE
TAPE
BUF AMP
A2
BUF AMP
B1
BUF AMP
B2
BUF AMP
A1
MIC
AMP1
MUTE
MUTE
MUTE
ON
ON
ON
NAB
AMP2
MONITOR
AMP
MONITOR
AMP
NAB
AMP1
REC
AMP2
REC
AMP1
REF AMP
2.1
L.PO
L.NF
L.RO
L.IN
R.IN
R.RO
R.NF
R.PO
MIC
NF
REF
GND
AGC
6
5
LATCH
VOUT
NC
VH
DET
VL
DET
7 TC
8 VCC
3
4
2
1
GND
VM
NC
CONT
VCC
IC102,202 BA5417
– TUNER Board –
IC1 CXA1538S
IC302 AN7338K
22
21
4
5
6
3
2
1
20
TREBLE
BASS
VREF
MUTE
τ
RR
REGULATOR
VCC
GND
ANALOG SWITCH
15
16
17
9
8
7
10
11
12
18
19
14
13
TREBLE
BASS
FLAT
FLAT
FLAT
MIX
MIX
MIX
FLAT
LIN
NF1L
BFL
TFL
NF2L
LOUT
FLAT
GROOVE
LIVE
POPS
CINEMA
RIN
NF1R
BFR
TFR
NF2R
ROUT
VREF
MUTE
RR
VCC
GND
REG
FM FRONT-END
AM FRONT-END
VCO
REG
MPX REG.
PD 1
PD 2
MONO/ST
SELECT
SELECT
1/2
COUNTER
1/2
COUNTER
MUTING
DECORD AMP
AUTOBLEND
RIPPLE
FILTER
BAND PASS
MUTE
TUNING
INDICATOR
AM
IF / DET
GND
PLL LPF 1
PILOT DET
LPF 1
PILOT DET
LPF 2
ST IND/
VCO CHECK
RCH OUT
LCH OUT
VCC
RIPPLE
FILTER
AFC/AGC 1
AFC/AGC 2
GND
TUND IND
FM IF IN
AM IF IN
BAND SELECT
PLL LPF2
MPX REG
VCO
FM
DISCRI
MUTE
AM OSC
AFC
FM OSC
REG OUT
FM RF
AM RF IN
FM RF IN
FM/AM
FE OUT
FE GND
2
3
5
4
6
7
8
9
10
1
11
12
13
14 15
16
17
18
19
20
30
29
28
27
26
25 24 23 22
21
FM IF /
DISCRI
19
CFS-1085SMK2
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
SECTION 5
EXPLODED VIEWS
5-1.
REAR CABINET SECTION
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories are
given in the last of this parts list.
given in the last of this parts list.
The components identified by mark 0 or
dotted line with mark 0 are critical for
safety.
Replace only with part number specified.
dotted line with mark 0 are critical for
safety.
Replace only with part number specified.
9
11
10
2
#5
not supplied
not
supplied
supplied
#6
ANT1
F901
F902
T901
#6
#2
1
3
3
6
4
5
7
8
1
3-930-876-82 CABINET (REAR)
2
A-4541-720-A POWER PC BOARD ASSY
3
1-533-233-31 FUSE HOLDER
4
3-239-869-01 SPRING (+-), BATTERY
5
3-930-901-01 SPRING (BATT -)
6
3-930-900-01 SPRING (BATT +)
7
3-930-878-01 HANDLE
8
3-364-556-01 LID, BATTERY CASE
9
A-4541-719-A DC IN PC BOARD ASSY
10
3-921-725-01 SCREW (2.6X10), +PWH
11
3-261-339-01 CHASISS DC JACK
ANT1
1-501-383-21 ANTENNA, TELESCOPIC
0 F901
1-533-460-12 FUSE (T315mAL/250V)
0 F902
1-533-469-12 FUSE (T2.5AL/250V)
0 T901
1-437-526-21 TRANSFORMER, POWER
#2
7-682-548-04 SCREW +B 3X8
#5
7-685-647-79 SCREW +BVTP 3X10 TYPE2 SLIT
#6
7-685-649-79 SCREW +BVTP 3X14 TYPE2 SLIT
20
CFS-1085SMK2
5-2.
FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
57
58
59
60
61
55
62
63
64
65
66
67
68
55
69
71
70
83
82
81
73
55
75
76
77
79
78
80
85
55
55
51
52
53
54
55
56
55
55
55
55
74
#3
#4
#1
#7
#5
#5
not supplied
51
A-4541-724-A MAIN BOARD, COMPLETE
52
A-4541-725-A MIC BOARD, COMPLETE
53
3-366-963-01 CUSHION (MIC)
54
3-930-888-01 KNOB (FUN)
55
4-951-620-01 SCREW (2.6X8), +BVTP
56
A-4541-726-A VOL BOARD, COMPLETE
57
3-234-670-01 KNOB (VOL)
58
3-234-671-01 KNOB (JOG)
59
A-3052-879-A HOLDER ASSY, CASSETTE
60
3-234-665-21 CABINET (FRONT)
61
3-235-932-01 CHASSIS, POINTER
62
3-930-880-21 BUTTON (PAUSE)
63
3-930-881-21 BUTTON (STOP/EJECT)
64
3-930-882-21 BUTTON (FF)
65
3-930-883-21 BUTTON (REW)
66
3-930-884-21 BUTTON (PLAY)
67
3-930-885-21 BUTTON (REC)
68
3-937-860-01 LEVER (REC)
69
3-234-663-01 SCALE, WINDOW
70
3-930-899-01 SPRING (CASSETTE)
71
3-351-377-01 DAMPER
73
A-4541-729-A LED BOARD, COMPLETE
*
74
1-860-789-11 BRACKET (B) BOARD
75
3-234-667-01 POINTER
76
3-930-891-11 KNOB (BAND)
77
3-907-639-21 KNOB (F.T)
*
78
A-3062-738-A TUNER BOARD, COMPLETE
*
79
3-930-879-01 CHASSIS
80
3-930-887-11 KNOB (TUN)
81
A-4541-728-A GE SW BOARD, COMPLETE
82
A-4541-727-A MEGA BASS SW BOARD, COMPLETE
83
3-234-672-01 KNOB (MAXI BASS)
85
1-860-797-11 BRACKET (A) BOARD
#1
7-621-770-87 SCREW +B 2.6X5
#3
7-685-135-19 SCREW, TOTSU PTPWH 2.6X10, TYPE2
#4
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
#5
7-685-647-79 SCREW +BVTP 3X10TYPE2 SLIT
#7
7-685-871-01 SCREW +BVTT 3X6 (S)
Click on the first or last page to see other CFS-1085SMK2 service manuals if exist.