Sony SRF-PSY03 Service Manual ▷ View online
SRF-PSY03
4-3.
SCHEMATIC DIAGRAM
• IC Block Diagram
IC1
CXA1129N-T4
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
– 11 –
– 12 –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
•
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 produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
f
: AM
SECTION 6
ELECTRICAL PARTS LIST
– 13 –
– 14 –
SECTION 5
EXPLODED VIEW
• 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 num-
ber in the exploded views are not supplied.
• Accessories and packing materials are given
in the last of the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
3-011-422-11 CABINET (FRONT) (BLUE)
1
3-011-422-21 CABINET (FRONT) (VIOLET)
2
3-011-425-01 KNOB (POWER) (BLACK) . . . (VIOLET)
2
3-011-425-21 KNOB (POWER) (YELLOW) . . . (BLUE)
3
3-011-741-31 PLATE, TRANSPARENT (for BLUE)
3
3-011-741-41 PLATE, TRANSPARENT (for VIOLET)
4
3-011-430-01 POINTER (ORANGE) . . . (BLUE)
4
3-011-430-11 POINTER (BLUE) . . . (VIOLET)
* 5
A-3683-018-A MAIN BOARD, COMPLETE
6
3-028-092-02 GUARD (BLUE) . . . (VIOLET)
6
3-028-092-12 GUARD (YELLOW) . . . (BLUE)
7
3-011-424-31 LID, BATTERY CASE (BLUE)
7
3-011-424-41 LID, BATTERY CASE (VIOLET)
8
7-685-105-14 TAPPING +P 2X8 NON-SLIT
9
3-011-423-41 CABINET (REAR) (BLUE)
9
3-011-423-51 CABINET (REAR) (VIOLET)
10
3-011-429-01 KNOB (TUNE)
11
3-011-432-01 SPRING, BATTERY
12
3-011-431-01 TERMINAL, BATTERY
13
3-028-093-01 CLIP
14
3-036-709-01 CHAIN
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
MAIN
NOTE:
• Due to standardization, replacements in the
parts list may be different from the parts speci-
fied in the diagrams or the components used
on the set.
fied in the diagrams or the components used
on the set.
• -XX and -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 order-
ing these items.
Some delay should be anticipated when order-
ing these items.
• SEMICONDUCTORS
In each case, u: µ, for example:
uA. .
uA. .
: µA. .
uPA. . : µPA. .
uPB. . : µPB. .
uPC. . : µPC. .
uPD. . : µPD. .
• CAPACITORS
uF: µF
• COILS
uH: µH
When indicating parts by reference
number, please include the board.
number, please include the board.
*
A-3683-018-A MAIN BOARD, COMPLETE
*********************
< BAND PASS FILTER >
BPF1
1-236-711-21 FILTER, BAND PASS
< CAPACITOR >
C2
1-163-101-00 CERAMIC CHIP
22PF
5%
50V
C3
1-126-163-11 ELECT
4.7uF
20%
50V
C4
1-163-181-00 CERAMIC CHIP
100PF
5%
50V
C5
1-163-220-11 CERAMIC CHIP
3PF
0.25PF 50V
C6
1-163-143-00 CERAMIC CHIP
0.0012uF 5%
50V
C7
1-162-638-11 CERAMIC CHIP
1uF
16V
C8
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C10
1-164-222-11 CERAMIC CHIP
0.22uF
25V
C11
1-163-023-00 CERAMIC CHIP
0.015uF
5%
50V
C12
1-163-023-00 CERAMIC CHIP
0.015uF
5%
50V
C13
1-162-638-11 CERAMIC CHIP
1uF
16V
C14
1-162-638-11 CERAMIC CHIP
1uF
16V
C15
1-163-087-00 CERAMIC CHIP
4PF
50V
C16
1-162-638-11 CERAMIC CHIP
1uF
16V
C17
1-163-104-00 CERAMIC CHIP
30PF
5%
50V
C18
1-124-257-00 ELECT
2.2uF
20%
50V
C19
1-163-038-00 CERAMIC CHIP
0.1uF
25V
C20
1-104-665-11 ELECT
100uF
20%
16V
C21
1-126-163-11 ELECT
4.7uF
20%
50V
C22
1-104-942-11 ELECT
1uF
20%
50V
C23
1-104-396-11 ELECT
10uF
20%
16V
C24
1-104-942-11 ELECT
1uF
20%
50V
C25
1-163-117-00 CERAMIC CHIP
100PF
5%
50V
C26
1-163-117-00 CERAMIC CHIP
100PF
5%
50V
C27
1-126-154-11 ELECT
47uF
20%
6.3V
C28
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C29
1-124-463-00 ELECT
0.1uF
20%
50V
C30
1-124-463-00 ELECT
0.1uF
20%
50V
C31
1-124-442-00 ELECT
330uF
20%
6.3V
C32
1-126-154-11 ELECT
47uF
20%
6.3V
C33
1-126-154-11 ELECT
47uF
20%
6.3V
C34
1-163-117-00 CERAMIC CHIP
100PF
5%
50V
C35
1-163-141-00 CERAMIC CHIP
0.001uF
5%
50V
C37
1-163-141-00 CERAMIC CHIP
0.001uF
5%
50V
C38
1-163-085-00 CERAMIC CHIP
2PF
50V
< TRIMMER >
CT1
1-151-700-11 CAP, VAR
< VARIABLE CAPACITOR >
CV1
1-151-700-11 CAP, VAR (TUNE)
< DIODE >
D1
8-719-991-33 DIODE 1SS133T-77
D2
8-719-991-33 DIODE 1SS133T-77
< JACK >
HPJ1
1-563-857-11 JACK, HEADPHONE (2)
< IC >
IC1
8-752-061-76 IC CXA1129N-T4
IC2
8-759-822-48 IC LA4537M
< SHORT >
J1
1-216-296-00 SHORT
0
J2
1-216-295-00 SHORT
0
J3
1-216-295-00 SHORT
0
J4
1-216-295-00 SHORT
0
J5
1-216-295-00 SHORT
0
< COIL >
L1
1-428-781-11 COIL, AIR-CORE
L2
1-428-780-11 COIL, AIR-CORE
L3
1-406-477-11 COIL (AM OSC)
L4
1-406-476-21 COIL (VCO)
L5
1-402-609-11 ANTENNA, FERRITE-ROD (AM)
L6
1-428-779-11 COIL, AIR-CORE
L7
1-409-382-11 COIL, TRAP
< RESISTOR >
R1
1-216-061-00 METAL CHIP
3.3K
5%
1/10W
R2
1-216-034-00 METAL CHIP
240
5%
1/10W
R3
1-216-061-00 METAL CHIP
3.3K
5%
1/10W
R4
1-216-061-00 METAL CHIP
3.3K
5%
1/10W
R5
1-216-049-11 RES, CHIP
1K
5%
1/10W
R6
1-216-311-00 METAL CHIP
6.8
5%
1/10W
R8
1-216-304-11 METAL CHIP
3.3
5%
1/10W
R9
1-216-304-11 METAL CHIP
3.3
5%
1/10W
R10
1-216-073-00 METAL CHIP
10K
5%
1/10W
< VARIABLE RESISTOR >
RV1
1-241-890-11 RES, VAR, CARBON 20K/20K (VOL)
13
14
6
9
8
7
10
11
12
1
4
5
2
3
not supplied
not supplied
– 15 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
MAIN
< SWITCH >
S1
1-571-478-11 SWITCH, SLIDE (FM SENS)
S2
1-571-478-11 SWITCH, SLIDE (BAND)
S3
1-571-478-11 SWITCH, SLIDE (POWER)
**************************************************************
ACCESSORIES & PACKING MATERIALS
********************************
********************************
3-866-767-11 MANUAL, INSTRUCTION (ENGLISH) (US)
8-953-342-99 HEADPHONE, STEREO MDR-24//C5SET
8-953-342-99 HEADPHONE, STEREO MDR-24//C5SET
– 16 –
SRF-PSY03
Sony Corporation
Personal A&V Products Company
9-926-998-11
99D057020-1
Printed in Singapore © 1999. 4
Published by Quality Engineering Dept.
(Shinagawa)