Sony SRF-S84 (serv.man2) Service Manual ▷ View online
SRF-S84
8
8
CT1
CT2
CT3
CV1
CV2
CV3
C1
C3
C4
L2
C5
CT4
CV4
C6
C7
C8
C9
C10
C11
C24
C25
C26
C27
C28
R6
R7
C29
R8
C35
C36
C37
L7
1
µH
1
µH
1
µH
L9
C38
C39
C40
C41
C42
L1
L10
1
µH
C13
C14
R2
EXCEPT JEW
C17
C18
L6
R3
C19
C20
C21
C22
R4
C33
C34
R15
R16
C30
C31
C32
C43
C44
R11
Q1
L11
20
µH
L3
R10
R9
C23
C12
J1
L8
R1
C16
L4
L5
C2
18p
EXCEPT JEW
JEW
JEW
*C2
22p
18p
4.7
16V
16V
100p
3p
1500p
1
0.22
5600p
0.22
0.015
0.47
0.47
0.047
1000p
0.1
150k
150k
1
50V
4.7k
0.1
0.1
100
4V
100
4V
220
4V
0.1
100p
100p
1
2p
1k
C15
18p
18p
100
4V
1
6.8
2.2
35V
35V
4.7
16V
16V
1
10
6.3V
68k
R5
10k
0.47
0.47
0
0
1
50V
10
6.3V
100
4V
22
6.3V
0.1
1k
2SB1218A
100k
100k
1
0.015
220
120p
*
FM/AM FRONT-END
IF DET,FM MPX
FM IF
MUTE
DET OUT
MPX IN
PD1
PD2
ST IND
AGC
GND
+VCC
FM RF
OL AGC
AM OSC
TUN IND
PLL1
PLL2
VCO CONT
R OUT
L OUT
TV 1ST OSC
FM 1ST OSC
AGC AFC
AM RF IN
FE GND
FM RF IN
TV RF IN
+VCC FE
IMAGE ADJ
FM 2ND LOCAL
PLL VCO
MUTE
SWITCH
OUT 1
POWER
GND
OUT 2
VCC
POWER
SWITCH
IN 1
IN 2
REF
REF GND
POWER AMP
IC3
IC1
VCC
GND
IN 1
IN 2
HP 1
HP 2
LP IN
LP GAIN
LP OUT
OUT 1
OUT 2
DET IN
DET IN
IC2
MEGA BASS
AMP
REG
FM ST
FM MONO
AM
S1
BAND
S1-1
S1-2
S2-2
ON
POWER
MEGABASS
OFF
S2
S2-1
FM
TRACKING
TRACKING
AM
FREQUENCY
COVERAGE
FM
AM
FREQUENCY
COVERAGE
FM
2ND OSC
VCO
L4
TUNE
CV1-4
CT3,L5
CT1,L6
CT4,L3
L2
CT2,L1
RV1
DRY BATTERY
REF
CXA1129N-T4
LA3550M-TE-L
LA4535M-TE-L
VOLUME
(IEC DESIGNATION R03)
1PC 1.5V
SIZE"AAA"
5-3. SCHEMATIC DIAGRAM
Note:
• All capacitors are in
• All capacitors are in
µF unless otherwise noted. (p: pF) 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
specifed.
• A : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 1.5 V and fed with regulated dc power
• H : adjustment for repair.
• Power voltage is dc 1.5 V and fed with regulated dc power
supply from battery terminal.
• Voltages are dc with respect to ground under no-signal (detuned)
conditions.
no mark : FM
(
no mark : FM
(
) : AM
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Signal path.
F : FM
f : AM
f : AM
• Abbreviation
JEW : Tourist model
Ver 1.1
SRF-S84
9
r
IC BLOCK DIAGRAMS
IC1 CXA1129N-T4
IC2 LA3550M-TE-L
1
2
6
8
FM/TV
RF AMP
FM/TV
MIX
FM/TV
1ST LOCAL
OSC
AFC
AM
RF AMP
OVER LOAD
AGC
MIX
1
MIX
2
PSN
1
PSN
2
AGC
AF AMP
LPF
DETUNE
DET
FM
LPF
AM
BPF
LOCAL
OSC
1/2
COUNTER
FM/TV
SELECT
FM
DISCRI
FM
LIMITTER
AMP
AM IF AMP
(FM TUN IND)
AM
DET
AGC
TUNING
IND
VCO
MUTE
SEP
CONTROL
ST.
DECORDER
INPUT
BUFF
VCO
LEVEL
CONTROL
BUFF
AMP
DC
AMP
PD
SYNC
DET
R CH
AMP
L CH
AMP
AMP
LOAD
SELECT
1/2
COUNTER
FM/AM
SELECT
M/ST.SW
ST.IND
FM/TV
30 29
25
24 23
26
28
27
22
20
3 4 5
7
9
10
11
12
13 14
15
16
17
18
19
21
FM/AM
FM/TV
38KHz
0
π
/2
FM/TV
FM/AM
19KHz
π
/2
19KHz
0
38KHz
FM IN
TV IN
NC
FM RF
GAIN ADJ
OL AGC
2ND OSC
AM OSC
TUN IND
PLL1
PLL2
VCO OSC
VCO CONT
R OUT
L OUT
ST IND
PD2
PD1
MPX IN
DET OUT
MUTE
AGC2
NC
FM IF
NC
TV OSC
FM OSC
AGC1
AM IN
NC
1
2
3
4
5
10
9
8
7
6
POWER
SWITCH
BIAS
MUTE
SWITCH
POWER
SWITCH
IN-1
PRE-GND
IN-2
REF
MUTE
SWITCH
SWITCH
OUT-1
POWER GND
OUT-2
VCC
AMP1
AMP2
1
2
3
4
5
6
7
14
13
12
11
10
9
ON/OFF
8
IN1
IN2
HP1
HP2
LP-IN
LP-GAIN
LP-OUT
OUT1
OUT2
DET-IN
DET-OUT
REF
VCC
GND
IC3 LA4535M-TE-L
SRF-S84
10
SECTION 6
EXPLODED VIEW
NOTE :
• -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.
• Accessories and packing materials are given
in the last of this parts list.
16
17
15
14
13
7
6
5
3
4
2
1
20
19
18
19
9
10
11
12
8
1
3-236-173-01 LID, BATTERY CASE
2
3-236-180-01 TERMINAL (+), BATTERY
3
A-3021-740-A MAIN BOARD, COMPLETE (JEW)
*
3
A-3021-741-A MAIN BOARD, COMPLETE (EXCEPT JEW)
4
3-236-181-01 TERMINAL (-), BATTERY
5
3-238-306-01 WASHER
6
3-919-915-02 KNOB (TUNING)
7
3-919-918-01 GEAR (MIDWAY)
8
3-919-919-01 GEAR (TUNING CAPACITOR)
9
3-236-177-01 KNOB (BAND)
10
3-919-920-02 ADAPTOR
11
3-880-990-00 SCREW (1.7X3),FLAT,(+) SPECIAL
12
3-236-175-01 POINTER
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
• Abbreviation
AUS
: Australian model
CH
: Chinese model
TW
: Taiwan model
JEW
: Tourist model
KR
: Korean model
• Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . . (RED)
X
X
Parts color Cabinets color
13
3-236-171-01 CABINET (FRONT)
14
3-236-176-01 KNOB (POWER)
15
3-236-178-01 PLATE, TRANSPARENT
16
3-236-179-01 EMBLEM (NO.3), SONY
17
3-236-174-21 PANEL, FRONT...(BLUE) (EXCEPT JEW)
17
3-236-174-41 PANEL, FRONT...(GOLD) (EXCEPT JEW)
17
3-236-174-51 PANEL, FRONT...(BLUE) (JEW)
17
3-236-174-61 PANEL, FRONT...(SILVER) (JEW)
18
3-236-172-01 CABINET (REAR) (JEW)
18
3-236-172-11 CABINET (REAR) (AUS,CH,TW,KR)
18
3-236-172-21 CABINET (REAR) (E)
19
3-318-203-31 SCREW (B1.7X8), TAPPING
20
3-918-543-11 CLIP
Ver. 1.3
SRF-S84
11
NOTE :
• Due to standardization, replacements in the
parts list may be different from the parts
specified in the diagrams or the components
used on the set.
specified in the diagrams or the components
used on the set.
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• RESISTORS
All resistors are in ohms
METAL : Metal-film resistor
METAL OXIDE :Metal oxide-film resistor
F : nonflammable
METAL : Metal-film resistor
METAL OXIDE :Metal oxide-film resistor
F : nonflammable
• Items marked “ * ”are not stocked since
they are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
Some delay should be anticipated when
ordering these items.
• SEMICONDUCTORS
In each case, u :
µ
, for example :
uA.... :
µ
A.... , uPA.... :
µ
PA....
uPB.... :
µ
PB.... , uPC.... :
µ
PC....
uPD.... :
µ
PD....
• CAPACITORS
uF :
µ
F
• COILS
uH :
µ
H
When indicating parts by reference num-
ber, please include the board.
ber, please include the board.
SECTION 7
ELECTRICAL PARTS LIST
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
A-3021-740-A MAIN BOARD, COMPLETE (JEW)
*
A-3021-741-A MAIN BOARD, COMPLETE (EXCEPT JEW)
*******************
3-240-356-01 SHEET, ADHESIVE
<CAPACITOR>
C1
1-162-918-11 CERAMIC CHIP
18PF
5%
50V
C2
1-162-918-11 CERAMIC CHIP
18PF
5%
50V
(EXCEPT JEW)
C2
1-162-919-11 CERAMIC CHIP
22PF
5%
50V
(JEW)
C3
1-124-259-11 ELECT
4.7uF
20%
16V
C4
1-162-927-11 CERAMIC CHIP
100PF
5%
50V
C5
1-162-934-11 CERAMIC CHIP
3PF
0.25PF 50V
C6
1-164-672-11 CERAMIC CHIP
1500PF
5%
16V
C7
1-115-156-11 CERAMIC CHIP
1uF
10V
C8
1-165-128-11 CERAMIC CHIP
0.22uF
16V
C9
1-136-683-11 FILM
0.0056uF 5%
100V
C10
1-165-128-11 CERAMIC CHIP
0.22uF
16V
C11
1-164-245-11 CERAMIC CHIP
0.015uF
10%
25V
C12
1-164-245-11 CERAMIC CHIP
0.015uF
10%
25V
C13
1-115-156-11 CERAMIC CHIP
1uF
10V
C14
1-162-907-11 CERAMIC CHIP
2PF
0.25PF 50V
C15
1-162-918-11 CERAMIC CHIP
18PF
5%
50V
C16
1-162-928-11 CERAMIC CHIP
120PF
5%
50V
C17
1-124-584-00 ELECT
100uF
20%
10V
C18
1-115-156-11 CERAMIC CHIP
1uF
10V
C19
1-124-257-00 ELECT
2.2uF
20%
50V
C20
1-124-259-11 ELECT
4.7uF
20%
16V
C21
1-115-156-11 CERAMIC CHIP
1uF
10V
C22
1-126-157-11 ELECT
10uF
20%
16V
C23
1-115-156-11 CERAMIC CHIP
1uF
10V
C24
1-113-619-11 CERAMIC CHIP
0.47uF
10V
C25
1-113-619-11 CERAMIC CHIP
0.47uF
10V
C26
1-164-361-11 CERAMIC CHIP
0.047uF
16V
C27
1-162-964-11 CERAMIC CHIP
0.001uF
10%
50V
C28
1-164-156-11 CERAMIC CHIP
0.1uF
25V
C29
1-104-942-11 ELECT
1uF
20%
50V
C30
1-104-942-11 ELECT
1uF
20%
50V
C31
1-126-157-11 ELECT
10uF
20%
16V
C32
1-124-584-00 ELECT
100uF
20%
10V
C33
1-113-619-11 CERAMIC CHIP
0.47uF
10V
C34
1-113-619-11 CERAMIC CHIP
0.47uF
10V
C35
1-164-156-11 CERAMIC CHIP
0.1uF
25V
C36
1-164-156-11 CERAMIC CHIP
0.1uF
25V
C37
1-124-584-00 ELECT
100uF
20%
10V
C38
1-124-584-00 ELECT
100uF
20%
10V
C39
1-124-434-00 ELECT
220uF
20%
4V
C40
1-164-156-11 CERAMIC CHIP
0.1uF
25V
C41
1-162-927-11 CERAMIC CHIP
100PF
5%
50V
C42
1-162-927-11 CERAMIC CHIP
100PF
5%
50V
C43
1-126-153-11 ELECT
22uF
20%
6.3V
C44
1-164-156-11 CERAMIC CHIP
0.1uF
25V
<TRIMMER>
CT1
1-141-524-12 CAP, VAR (FM FREQUENCY COVERAGE)
CT2
1-141-524-12 CAP, VAR (FM TRACKING)
CT3
1-141-524-12 CAP, VAR (AM TRACKING)
CT4
1-141-524-12 CAP, VAR (AM FREQUENCY COVERAGE)
<VALIABLE CAPACITOR>
CV1
1-141-524-12 CAP, VAR (TUNE)
CV2
1-141-524-12 CAP, VAR (TUNE)
CV3
1-141-524-12 CAP, VAR (TUNE)
CV4
1-141-524-12 CAP, VAR (TUNE)
<IC>
IC1
8-752-061-76 IC CXA1129N-T4
IC2
6-700-365-01 IC LA3550M-TE-L
IC3
6-700-362-01 IC LA4535M-TE-L
<JACK>
J1
1-563-857-11 JACK, HEADPHONE(2)
<COIL>
L1
1-411-135-11 COIL, AIR-CORE (FM TRACKING) (JEW)
L1
1-428-309-11 COIL, AIR-CORE (FM TRACKING) (EXCEPT JEW)
L2
1-409-991-11 COIL, AIR-CORE (FM 2ND OSC)
L3
1-406-467-11 COIL (OSC) (AM FREQUENCY COVERAGE)
L4
1-406-468-11 COIL (VCO)
L5
1-501-741-31 ANTENNA, FERRITE-ROD(MW)(AMTRACKING)
L6
1-411-134-11 COIL, AIR-CORE (FM FREQUENCY COVERAGE)
L7
1-412-939-11 INDUCTOR
1uH
L8
1-412-939-11 INDUCTOR
1uH
L9
1-412-939-11 INDUCTOR
1uH
L10
1-412-939-11 INDUCTOR
1uH
L11
1-412-020-11 INDUCTOR
20uH
• Abbreviation
AUS : Australian model
CH
CH
: Chinese model
TW
: Taiwan model
JEW : Tourist model
KR
KR
: Korean model
MAIN
Ver. 1.3
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