TEAC SRL-230-I Service manual
SR-L230i
NOTES CONTENTS
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
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
2 SPECIFICATIONS
SR-L230i
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.
3
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.
3-2 ADJUSTMENT and TEST POINTS
SR-L230i
5
6
SR-L230i
ACvoltmete
r
AM Signal generator
AM LOOP
Antenna
60CM
AM
S1
1K Ω
1K Ω
VT voltage
SR-L 230i
PHONES
R13
R1
Digital multimeter
3-2-1 AM TUNER
SG SETTING
ITEM
Audio Modulation Frequency Output
1.VOLTAGE
adjustment
2.IFT
adjustment
3.ANT Coil
adjustment
4.Adjustment 1KHz 30% 1400KHz 76dBuV 1400KHz Check
1KHz 30% 450KHz 76dBuV 610KHz T1 AM IFT coil
1KHz 30% 610KHz 76dBuV 610KHz L3 AM ANT coil
TUNER
SETTING
1720KHz L4 AM OSC coil VT 8.8-9.2V
530KHz Check
ADJUSTMENTS
MEASURING
POINTS.
RESULT
Maximun output
level
Maximun output
level
Maximun output
level
3-2-2 FM TUNER
Digital multimeter
75 ohm
FM Signal generator
A
C voltmeter
FM
SR-L 230i
PHONES
R13
R1
VT voltage
1K Ω
1K Ω
SR-L230i
ITEM
1.VOLTAGE
adjustmen
2.ANT Coil
adjustment
3.TC1
adjustment
SG SETTING
Audio Modulation Frequency Output
1KHz 22.5kHz 90.1MHz 76dBuV 90.1MHz L1 FM RF coil
1KHz 22.5kHz 106.1MHz 76dBuV 106.1MHz
TUNER
SETTING
108MHz L2 FM OSC coil VT 7.8-8.2V
87.5MHz Check
ADJUSTMENTS
TC1 Repeat
step 2 and 3
MEASURING
POINTS.
RESULT
Maximun
output level
Maximun
output level
7
8
SR-L230i
EXPLODE VIEW-1
4 EXPLODED VIEWS AND PARTS LIST
SR-L230i
EXPLODED VIEW-1
PARTS LIST
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
023 -23010031-R SCREW 3X10MM BB NI HD
1-4 044-R230i051-R SPEAKER PAPER TUBE 18X 22X80M M
1-5 035-R230i102-R DUCT COVER L/R EVA SHEE T
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
3X10MM BB BLACK HD
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SR-L230i
EXPLODE VIEW-2
SR-L230i
EXPLODED VIEW-2
PARTS LIST
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
2-4 021-43008032-R SCREW
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:W HITE)
2-14 023-23006032-R SCREW
2-15 100-230i2060-R MEMORY BATTERY P CB ASSY
2-16 020-300i0100-R MEMORY BATTERY S PRING (-VE)
2-17 020-300i0000-R MEMORY BATTERY S PRING (+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
023 -33010031-R SCREW
2-20 037-230i0100-R RUBBER FOOT
3X10MM BB BLACK HD
3X8MM PWT ZMC HD (PW = 11.5MM)
3X6MM BB ZMC HD
3X10MM KB BLACK HD
3X10MM KB NI HD
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