Teac SR-L230I User manual

SR-L230i
PC board shown are viewed from parts side.
The parts with no reference number or no parts number
in the exploded views are not supplied.
As regards the resistors and capacitors, refer to the
circuit diagrams contained in this manual.
Parts marked with this sign are safety critical
components. they must be replaced with identical
components - refer to the appropriate parts list and
ensure exact replacement.
Parts of [ ] mark can be used only with the version
designated.
[T/C]
-
USA
!
NOTES CONTENTS
1 SAFETY INFORMATION ........................................................ 2
2 SPECIFICATIONS ........................................................................ 3
3 ADJUSTMENT AND CHECK .............................................. 4
4 EXPLODED VIEW AND PARTS LIST........................... 8
5 PC BOARDS AND PARTS LIST ..................................... 20
6 WIRING DIAGRAM ................................................................... 30
7 INCLUDED ACCESSORIES............................................... 31

2
SR-L230i
1 SAFETY INFORMATION

3
SR-L230i
2 SPECIFICATIONS
TUNER SECTION
Frequency Range: FM: 87.50 MHz to 108.0 MHz
AM: 530 kHz to 1,710 kHz
SPEAKER SYSTEM Section
Type: 60 mm x 2
Impedance: 4 ohms
GENERAL
Total Output Power 3 W + 3 W
Power Requirement AC 120V, 60 Hz
Power Consumption 23 W
Dimension (W x H x D ) 12 3/16" x 7 11/16" x 4"(310 x 196 x 101 mm)
Weight (net) 4 3/16 Ib (1.9 kg)
Standard Accessories
Remote Control Unit (RC-1151W or RC-1151B) x1
Battey for Remote Control Unit (AAA) x 2
Battey for Memory Backup (CR2032) x1
AM loop antenna x 1
Dock adapter x 6 (adapter "60GB(color) + photo 40/60GB" premounted)
Stereo mini plug cable x 1
AC Adapter x 1
Owner's Manual x 1
Warranty Card x 1
Design and specifications are subject to change without notice.
Weight and dimensions are approximate.
Illustrations may differ slightly from production models.

4
SR-L230i
3 ADJUSTMENTS AND CHECKS
3-1 TUNER SECTION
Use a screwdriver with a plastic or ceramic grip for all adjustment.
3-1-1 AM adjustment
1. Set the function switch to the TUNER position.
2. Set the BAND switch to the AM position.
3. Connect the test loop antenna across the output of the signal generator.
4. Connect the oscilloscope to the PHONES JACK terminal.
5. Connect the digital multimeter to R1/R13/R44/R47 on MAIN PCB.
6. Set the signal generator as listed in the alignment chart.
3-1-2 FM adjustment
1. Set the function switch to the TUNER position.
2. Set the BAND switch to the FM position.
3. Connect the signal generator output through a 75 ohm dummy antenna to "ANT" on MAIN PCB.
4. Connect the oscilloscope to the PHONES JACK terminal.
5. Connect the digital multimeter to R1/R13/R44/R47 on MAIN PCB.
6. Set the signal generator as listed in the alignment chart.

5
SR-L230i
3-2 ADJUSTMENT and TEST POINTS

6
SR-L230i
3-2-1 AM TUNER
ITEM
SG SETTING TUNER
SETTING ADJUSTMENTS
MEASURING
POINTS.
RESULT
Audio Modulation Frequency Output
1.VOLTAGE
adjustment
1720KHz L4 AM OSC coil VT 8.8-9.2V
530KHz Check
2.IFT
adjustment 1KHz 30% 450KHz 76dBuV 610KHz T1 AM IFT coil Maximun output
level
3.ANT Coil
adjustment 1KHz 30% 610KHz 76dBuV 610KHz L3 AM ANT coil Maximun output
level
4.Adjustment 1KHz 30% 1400KHz 76dBuV 1400KHz Check Maximun output
level
AC
v
o
l
t
m
ete
r
AM Signal generator
AM LOOP
Antenna
60CM
AM
S1
1K Ω
1K Ω
VT voltage
SR-L 230i
PHONES
R13
R1
Digital multimeter

7
SR-L230i
3-2-2 FM TUNER
ITEM
SG SETTING TUNER
SETTING ADJUSTMENTS
MEASURING
POINTS.
RESULT
Audio Modulation Frequency Output
1.VOLTAGE
adjustmen
108MHz L2 FM OSC coil VT 7.8-8.2V
87.5MHz Check
2.ANT Coil
adjustment 1KHz 22.5kHz 90.1MHz 76dBuV 90.1MHz L1 FM RF coil Maximun
output level
3.TC1
adjustment 1KHz 22.5kHz 106.1MHz 76dBuV 106.1MHz TC1 Repeat
step 2 and 3
Maximun
output level
Digital multimeter
75 ohm
FM Signal generator
A
C voltmeter
FM SR-L 230i
PHONES
R13
R1 VT voltage
1K Ω
1K Ω

8
SR-L230i
4 EXPLODED VIEWS AND PARTS LIST
EXPLODE VIEW-1

9
SR-L230i
REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARK
1-1 010-230B0300-R DUCT COVER <L> (COLOR:BLACK)
010-230W0300-R DUCT COVER <L> (COLOR:WHITE)
1-2 010-230B0400-R DUCT COVER <R> (COLOR:BLACK)
010-230W0400-R DUCT COVER <R> (COLOR:WHITE)
1-3 023-23010033-R SCREW 3X10MM BB BLACK HD
023-23010031-R SCREW 3X10MM BB NI HD
1-4 044-R230i051-R SPEAKER PAPER TUBE 18X 22X80MM
1-5 035-R230i102-R DUCT COVER L/R EVA SHEET
1-6 010-230i0100-R SPEAKER BOX L
1-7 010-230i0200-R SPEAKER BOX R
1-8 035-R230i012-R R/L SPEAKER EVA WASHER
1-9 099-39R230i1-R ABSORB COTTON A
1-10 061-230i0400-R SPEAKER 2.5" 4 OHM 5-8W
1-11 024-43008033-R SCREW 3X8MM PWA BLACK HD
EXPLODED VIEW-1
PARTS LIST

10
SR-L230i
EXPLODE VIEW-2

11
SR-L230i
REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS
2-1 SPEAKER BOX L ASSY
2-2 SPEAKER BOX R ASSY
2-3 023-23010033-R SCREW 3X10MM BB BLACK HD
2-4 021-43008032-R SCREW 3X8MM PWT ZMC HD (PW = 11.5MM)
2-5 020-230i0200-R PIG IRON BLOCK (200g)
2-6 035-R230i022-R SPEAKER BOX EVA SHEET <A>
2-7 035-R230i032-R SPEAKER BOX EVA SHEET <B>
2-8 035-R230i042-R SPEAKER BOX EVA SHEET <C>
2-9 035-R230i052-R SPEAKER BOX EVA SHEET <D>
2-10 035-R230i062-R SPEAKER BOX EVA SHEET <E>
2-11 035-R230i072-R SPEAKER BOX EVA SHEET <F>
2-12 099-39R230i1-R ABSORB COTTON A
2-13 002-230B0100-R BOTTOM CASE PANEL (COLOR:BLACK)
002-230W0100-R BOTTOM CASE PANEL (COLOR:WHITE)
2-14 023-23006032-R SCREW 3X6MM BB ZMC HD
2-15 100-230i2060-R MEMORY BATTERY PCB ASSY
2-16 020-300i0100-R MEMORY BATTERY SPRING (-VE)
2-17 020-300i0000-R MEMORY BATTERY SPRING (+VE)
2-18 010-230B0600-R MEMORY BATTERY COVER (COLOR:BLACK)
010-230W0600-R MEMORY BATTERY COVER (COLOR:WHITE)
2-19 023-33010033-R SCREW 3X10MM KB BLACK HD
023-33010031-R SCREW 3X10MM KB NI HD
2-20 037-230i0100-R RUBBER FOOT
EXPLODED VIEW-2
PARTS LIST

12
SR-L230i
EXPLODE VIEW-3

13
SR-L230i
REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS
3-1 001-230B0100-R FRONT PANEL (COLOR:BLACK)
001-230W0100-R FRONT PANEL (COLOR:WHITE)
3-2 100-230i2050-R AUX JACK PCB ASSY
3-3 100-230i2040-R PHONE JACK PCB ASSY
3-4 021-43010032-R SCREW 3X 10MM PWT ZMC HD(PW =11.5MM)
3-5 007-230i0100-R LCD DISPLAY WINDOW
3-6 023-42606032-R SCREW 2.6X6MM BB ZMC HD
3-7 080-R230i001-R LCD DISPLAY SIZE:93X37.5MM
3-8 009-230i0100-R LCD BACK LIGHT HOLDER
3-9 035-R250i082-R LCD DISPLAY WINDOW EVA SHEET
3-10 035-R230i112-R SENSOR EVA CUSHION
3-11 100-230i2030-R LCD DISPLAYER PCB ASSY
3-12 023-23010032-R SCREW 3X10MM BB ZMC HD
EXPLODED VIEW-3 PARTS LIST

14
SR-L230i
EXPLODE VIEW-4
1
2
3
6
4
8
11
12
14
15
19
910
75
13
18
17 16
20

15
SR-L230i
REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS
4-1 020-230i0100-R SPEAKER METAL NET
4-2 051-R230i001-R SPEAKER METAL NET HIMERON
4-3 001-230BU200-R TOP CASE PANEL (COLOR:BLACK)
001-230WU200-R TOP CASE PANEL (COLOR:WHITE)
4-4 007-230i0300-R STANDBY BUTTON RENG LENS
4-5 007-230i0400-R DISPLAYER BUTTON RENG LENS
4-6 004-230B0300-R
STANDBY BUTTON/DISPLAYER BUTTON (COLOR:BLACK)
004-230W0300-R
STANDBY BUTTON/DISPLAYER BUTTON (COLOR:WHITE)
4-7 007-230i0200-R SNOOZE BUTTON RENG LENS
4-8 010-230i0500-R SNOOZE BUTTON LENS COVER
4-9 023-42606032-R SCREW 2.6X6MM BB ZMC HD
4-10 004-230B0200-R SNOOZE BUTTON (COLOR:BLACK)
004-230W0200-R SNOOZE BUTTON (COLOR:WHITE)
4-11 010-230B0700-R iPod DOCK LOCK (COLOR:BLACK)
010-230W0700-R iPod DOCK LOCK (COLOR:WHITE)
4-12 023-23006032-R SCREW 3X6MM BB ZMC HD
4-13 004-230B0100-R FUNCTION BUTTON (COLOR:BLACK)
004-230W0100-R FUNCTION BUTTON (COLOR:WHITE)
4-14 100-230i2070-R iPod JACK PCB ASSY
4-15 024-23008032-R SCREW 3X8MM BA ZMC HD
4-16 100-230i2020-R KEY FUNCTION PCB ASSY
4-17 023-23008032-R SCREW 3X8MM BB ZMC HD
4-18 011-R230i010-R POWER IC HEAT SINK
4-19 100-230i2010-R MAIN PCB ASSY
4-20 023-23010032-R SCREW 3X10MM BB ZMC HD
EXPLODED VIEW-4
PARTS LIST

16
SR-L230i
EXPLODE VIEW-5

17
SR-L230i
REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS
5-1 TOP CASE PANEL ASSY
5-2 BOTTOM CASE PANEL ASSY
5-3 023-23012033-R SCREW 3X12MM BB BLACK HD
023-23012031-R SCREW 3X12MM BB NI HD
5-4 023-23012033-R SCREW 3X12MM BB BLACK HD
5-5 FRONT PANEL ASSY
5-6 023-33010033-R SCREW 3X10MM KB BLACK HD
023-33010031-R SCREW 3X10MM KB NI HD
EXPLODED VIEW-5
PARTS LIST

18
SR-L230i
EXPLODE VIEW-6

19
SR-L230i
REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS
6-1 015-230B0100-R HANDSET PVC SHEET (COLOR:BLACK)
015-230W0100-R HANDSET PVC SHEET (COLOR:WHITE)
6-2 024-31405033-R SCREW 1.4X5MM KA BLACK HD
6-3 100-230i2080-R REMOTE CONTROL PCB ASSY
6-4 031-230i0110-R BATTERY SPRING (+/-VE)
6-5 031-230i0310-R BATTERY SPRING (-VE)
6-6 031-230i0210-R BATTERY SPRING (+VE)
6-7 003-230B0100-R HANDSET BOTTOM COVER (COLOR:BLACK)
003-230W0100-R HANDSET BOTTOM COVER (COLOR:WHITE)
6-8 003-230B0200-R HANDSET BOTTOM DOOR (COLOR:BLACK)
003-230W0200-R HANDSET BOTTOM DOOR (COLOR:WHITE)
EXPLODED VIEW-6
PARTS LIST

20
SR-L230i
REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS
100-230i2010-R MAIN PCB ASSY (UL/CSA)
062-R230i001-R MAIN PCB 167×136MM 94V-0 REV:00
CN1 082-20500100-R CONNECTOR 5PIN P=2.0MM
CN2,CN11 082-10800100-R CONNECTOR 8PIN P=2.0MM
CN4 082-20300100-R CONNECTOR 3PIN P=2.0MM
CN6 082-20600100-R CONNECTOR 6PIN P=2.0MM
CN8 082-20240100-R CONNECTOR 2PIN P=2.5MM
CN9 082-20240300-R CONNECTOR 2PIN P=2.5MM BLACK
082-20240100-R CONNECTOR 2PIN P=2.5MM WHITE
CN10 082-10240100-R CONNECTOR 2PIN P=2.5MM
C7 072-30220251-R E/C CAP 2200UF/25V M ( 16×32MM)
C75 072-30470251-R E/C CAP 4700UF/25V M ( 16×32MM)
D1 077-70SS1201-R DIODE SS12
CF1 081-04500000-R AM CERAMIC FILTER, SFU450B 3PIN
CF2 093-11070006-R CERAMIC FILTER CDALA10M7 GA128 2PIN
CF3 081-30107000-R FM CERAMIC FILTER, SFE10.7MA5 3PIN
D2,5,6,7,8,9 077-00414801-R DIODE 1N4148
D11,12,13
D3,4,10 077-10400201-R DIODE 1N4002
FUSE1 090-22520022-R FUSE T2AL 250V “UL/CSA/VDE”MARK
IC1 075-PT231329-R IC:PT2313L/SC7313S
IC2 075-00462712-R IC:LA4627
IC3 075-86FS4931-R IC:TMP86FS49AUG
IC4 075-2132FN21-R IC:TB2132FNG
IC5 075-00780501-R IC:KIA7805API 618
IC6 075-LM324S22-R IC:LM324-S
L1,L15 078-08450451-R FM RF COIL 0.8MM× 4.5MM×4.5T
L2 078-08450251-R FM OSC COIL 0.8MM× 4.5MM×2.5T
L3 079-R230i010-R AM ANT COIL
L4 079-R230i220-R AM OSC COIL RED
L6 095-30220002-R FERRITE CORE:22mH
L7,L9,L10, 052-08356001-R HORIZONTAL FERRITE CORE: 0.8 × 3.5×6MM
L12,L13
L5,L11,L14,L16 095-01000001-R INDUCTOR 100UH 0.5W
L75
JK1 064-20110102-R DC JACK 2.0MM
Q1,9,16,21 076-00A73300-R TRANSISTOR:2SA733
Q2,3,5,6,8,10, 076-00C94500-R TRANSISTOR:2SC945
Q12,14,18,20,
Q22,23,24
Q7 076-2SK19220-R MOSFET:2SK192
Q11 076-00D88200-R TRANSISTOR:2SD882
Q13,17,19 076-00B77200-R TRANSISTOR:2SB772
T1 079-R230i910-R AM IFT COIL WHITE
TC1 073-00020022-R TC.20PF
VD3,VD4 077-50014901-R 1SV149 (TOSHIBA)
ZD2 077-3006B10H-R ZENER DIODE 5.6V 0.5W
ZD3,ZD5 077-3004B20H-R ZENER DIODE 3.9V 0.5W
ZD4 077-3007B10H-R ZENER DIODE 6.8V 0.5W
XT3 093-A0750002-R XTAL 75KHz
XT2 093-A0327682-R XTAL 32.768KHz
XT1 093-08000002-R XTAL 8MHz
MAIN PCB ASSY
5 PC BOARDS AND PARTS LIST
Table of contents
Other Teac Clock Radio manuals