DOWNLOAD Sony ST-SE570 Service Manual ↓ Size: 1.29 MB | Pages: 22 in PDF or view online for FREE

Model
ST-SE570
Pages
22
Size
1.29 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
st-se570.pdf
Date

Sony ST-SE570 Service Manual ▷ View online

3
ST-SE570
SECTION  1
GENERAL
This section is extracted from
instruction manual.
LOCATION  OF  CONTROLS
– Front Panel –
AUTO BETICAL SELECT qk (7, 12)
BAND qg (9, 10, 12)
CHARACTER 7 (11)
DIRECT qs (9)
DISPLAY  5 (10, 11, 13)
ENTER qa (9, 11, 12, 14)
EON NEWS/INFO 3 (13, 14)
EON TA  2 (13, 14)
FM MODE qh (9, 10)
MEMORY 4 (8, 11)
MENU 0 (9, 11, 14)
Numeric buttons qf (7–9)
POWER 1 (7, 8, 12)
PTY qj (14, 15)
RETURN 9 (9)
SHIFT qd (8, 11)
TUNE MODE 8 (8, 10)
TUNING/SELECT 6 (7–12, 14)
1
2
3
4
5
6
7
8
9
0
1
2 3 4 5
7 8
6
9
0
qa
qs
qd
qf
qg
qh
qj
qk
1
FM ANTENNA terminal
2
AM ANTENNA terminals
3
LINE OUT jack
4
EON CONTROL OUT terminal
– Rear Panel –
ANTENNA
LINE  OUT
EON CONTROL
FM
U
75
  COAXIAL
R
L
OUT
AM
2
1
3
4
ST-SE570
4
• This set can be disassembled in the order shown below.
2-1.
DISASSEMBLY  FLOW
SECTION  2
DISASSEMBLY
Note:
 Follow the disassembly procedure in the numerical order given.
2-2.
CASE (407026)
2-2. CASE (407026)
(Page 4)
2-3. MAIN BOARD
(Page 5)
SET
1
two screws 
(case 3 TP2)
2
two screws 
(case 3 TP2)
3
screw 
(case 3 TP2)
4
case (407026)
ST-SE570
5
2-3.
MAIN  BOARD
4
MAIN board
2
connector (CNP701)
2
connector (CNP702)
2
connector (CNP952)
1
wire (flat type) (15 core)
(CN101)
3
two screws 
(BV/RING)
6
ST-SE570
NOTE : The preset data will be erased when this test mode is used. Therefore, take down the data before setting this mode and preset the data
again after completing operations in this mode.
2. Display Tube Check and KEY Check mode
1. Turn OFF the power.
2. While pressing 1 and  AUTO-BETICAL SELECT  together, turn ON  POWER .
3. While continuously pressing 1 and  AUTO-BETICAL SELECT  together, check the following.
Indication test pattern
The display changes every 1 sec.
4. Release 1 and  AUTO-BETICAL SELECT  . The KEY CHECK mode will be set.
5. All key numbers will be displayed.
Key Number : 25
6. Each time the key is pressed, the key number will be counted down.
Each key will be counted only once, at the first time.
7. When all keys have been pressed, the process will end.
NOTE : As contents of the Factory Preset will be written into memory after completing this check mode, delete contents of memory
according to 4. Forced RESET.
SECTION  3
TEST MODE
1. Circuit Check Mode
Set to the reception frequency that the circuit can STEREO RDS stations. (Set the input level to above 70 dB.)
This enables circuit check to be performed in any of the reception modes-FM, AM (MW, LW). Set to a desired band before setting the test
mode.
1. Turn OFF the power.
2. While pressing 4 and  AUTO-BETICAL SELECT  together, turn ON  POWER .
• The items in the following table will be checked automatically in order every 2 seconds.
FM RDS
Display
Items
Tuned
IF Frq
Sig Level
Stereo
RDS Signal
AST signal =LOW
IF COUNT OK
SI LEVELh70dB
ST signal=LOW
RDS DATA OK
DISPLAY
OK or NG
OK or NG
OK or NG
OK or NG
OK or NG
AM (MW, LW)
OK or NG
OK or NG
NG
IC201 NG, RV201 adjustments
TB101, IC201 NG
TB101 NG
TB101 NG
IC801 NG
Microcomputer version indication (1 sec) 
t All light up “7F” t Dot area only “60” t Dot area only “7E”
Dot area only “5F” 
T Dot area only “3D”
T
T
1
 7F
2
 60
3
 7E
4
 3D
5
 5F
Page of 22
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Sony ST-SE570 Service Manual ▷ Download

  • DOWNLOAD Sony ST-SE570 Service Manual ↓ Size: 1.29 MB | Pages: 22 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony ST-SE570 in PDF for free, which will help you to disassemble, recover, fix and repair Sony ST-SE570 Audio. Information contained in Sony ST-SE570 Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.