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SERVICE MANUAL

SR-L50
CD Receiver
NOTES
PC boards shown are viewed from parts side. Parts marked with * require longer delivery time. 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/CANADA,[EUR]:EUROPE,[UK]:UK, [HKG]:HONG KONG

CONTENTS
1 SAFETY INFORAMTION........................ 2 SPECIFICATIONS................................. 3 ADJUSTMENT AND CHECKS................. 3-1 TUNER SECTION............................... 3-2 CD SECTION..................................... 4 EXPLODED VIEWS AND PARTS LIST...... 5 PC BOARDS AND PARTS LIST............... 6 WIRING DIAGRAM................................ 2 3 4 4 7 8 16 26

SR-L50

1 SAFETY INFORMATION
SAFETY INFORMATION
This product has been designed and manufactured according to FDA regulations "title 21, CFR, chapter 1, subchapter J based on the Radiation Control for Health and Safety Act of 1986" and is classified as class 1 laser product. There is no hazardous invisible laser radiation during operation because invisible laser radiation emitted inside of this product is completely confined in the protective housings. The label required in this regulation is shown below. CAUTION USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HERE IN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

Optical pickup: Type Manufacturer Laser output Wavelength : : : SLD104AU SONY Corporation Less than 0.5mV on the objective lens 760 ­ 800 nm

2

SR-L50

2 SPECIFICATIONS
TUNER Section (FM)
Frequency Range.................. 87.50 to 108.00 MHz(100kHz step) (U.S.A./Canada Model, General Export Model) Frequency Range.................... 87.50 to 108.00 MHz(50kHz step) (Europe Model)

GENERAL
Total Output Power......................................................15W Power Requirements...........120V, 60Hz (U.S.A./Canada model) 230V, 50Hz (Europe Model) 120V/230V AC, 50-60Hz (General export model) Power Consumption......................................................40W

TUNER Section (AM)
Frequency Range...........................520 to 1710 kHz(10kHz step) (U.S.A./Canada Model, General Export Model) Frequency Range.............................522 to 1620 kHz(9kHz step) (Europe Model)

Dimension ( W x H x D ) ..........................389 x 213 x 216 mm (15-7/8" x 8-3/8" x 8-1/2") Weight.....................................................6.0 kg (13-3/16 lb)

Standard Accessories
Remote Control Unit (RC-917) x 1 FM lead-type antenna (U.S.A./Canada Model, General Export Model) Remote Control Unit (RC-917) x 1 (Europe Model)

CD PLAYER Section
Frequency Response...................................20 to 20kHz (±1dB) Wow and Flutter.................................................Unmeasurable

SPEAKER SYSTEM Section
Type.............................................................65 mm 1-way x2 80 mm subwoofer x1 Impedance.......................................................8 ohms (L & R) 8 ohm (subwoofer)

Design and specifications are subject to change without notice. Illustrations may differ slightly from production models

3

SR-L50
3 ADJUSTMENTS AND CHECKS 3-1 TUNER SECTION
Use a screwdriver with a plastic or ceramic grip for all adjustment.

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. Set the signal generator as listed in the alignment chart.

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 TUNER PCB CN8. 4. Connect the oscilloscope to the PHONES JACK terminal. 5. Set the signal generator as listed in the alignment chart.

3-1-1. RADIO ALIGNMENT

L4

TC1

SR-L50 TUNER PCB

IC2 CW11

IC1 TA2057N

L5 L3 CW8

CN10

FIG. 1-1 Adjustment locations

4

TUNER PACK

SR-L50
3-1-2 AM TUNER
SG SETTING ITEM Audio Modulation Frequency Output

TUNER SETTING
1710KHz(T/C)

MEASURING

ADJUSTMENTS

POINTS RESULT
VT 8.0V VT 1.5V Maximum output level Maximum output level Maximum output level

1.VOLTAGE adjustment 2.IFT adjustment 3.ANT Coil adjustment 4.TC1 adjustment
610KHz(T/C) 612KHz(EUR) 610KHz(T/C) 612KHz(EUR) 1410KHz(T/C) 1KHz 30% 1413KHz(EUR) 76dBuV

1620KHz(EUR) 530KHz(T/C) 531KHz(EUR) 1KHz 30% 76dBuV 610KHz(T/C) 612KHz(EUR) 610KHz(T/C) 612KHz(EUR) 1410KHz(T/C) 1413KHz(EUR) TC1

L4

Check

L5 Am ant coil L3

1KHz

30%

76dBuV

Repeat step 3 and 4

AM Signal generator

AM

SR-L50
PHONES

1K

AC voltmeter

1K AM LOOP Antenna

60CM

FIG. 1-1-1

5

SR-L50
3-1-3 FM TUNER
SG SETTING ITEM AUDIO Modulation Frequency Output TUNER SETTING
106.1MHz 90.1MHz

MEASURING ADJUSTMENTS POINTS. RESULT
Check Check VT 5.5-5.9V VT 1.2-1.6V

VOLTAGE adjustment

FM Signal generator

FM

SR-L50
PHONES

75 ohm
1K

AC voltmenter

1K

FIG.1-1-2

6

SR-L50
3-2 CD SECTION Auto alignment.

7

SR-L50 EXPLODED VIEW-1
REF. NO
1­1 1­2 1­3 1­4 1­5 1­6 1­7 1­8 1­9 1 ­ 10 1 ­ 11 1 ­ 12 1 ­ 13 1 ­ 14 1 ­ 15 1 ­ 16 1 ­ 17 1 ­ 18 1 ­ 19

PARTS NO.
024-43010033 061-OLT10800 035-SD900082 023-23014033 010-SR500200 010-SR500300 099-39SRL502 035-SLD90052 035-SRL50022 010-SR500100 011-SD900200 023-23008032 023-23012033 018-SRL50000 022-23008033 023-13006032 011-SR500500 100-SR502060 100-SR501180 100-SR502010 100-SR501160

DESCRIPTION
SCREW Ø3x10MM PWA BLACK HD SPEAKER 2" 8 ohm 5~8W R/L SPEAKER EVA WASHER SCREW Ø3x14MM BB BLACK HD LEFT SPEAKER BOX COVER RIGHT SPEAKER BOX COVER ABSORB COTTON B (SIZE:108x80Xt20MM) EVA SHEET(D):93x5Xt1.0MM EVA SHEET(C):11.8x5xT1.0MM WOOFER BOX HEAT SINK BKT SCREW Ø3x8MM BB ZMC HD SCREW Ø3x12MM BB BLK HD POWER IC HEAT SINK SCREW Ø3x8MM BM BLK HD SCREW Ø3x6MM PB ZMC HD TUNER PCB SHIELD PLATE TUNER PCB ASS'Y ( FOR T/C ) TUNER PCB ASS'Y ( FOR EUR ) MAIN PCB ASS'Y ( FOR T/C ) MAIN PCB ASS'Y ( FOR EUR ) SCREW Ø3x10MM BB ZMC HD ABSORB COTTON A (SIZE:126x126xT20) EVA SHEET(A):183x5xT1.0MM EVA SHEET(A):138x5xT1.0MM TRANSFORMER BKT SCREW Ø4x15MM PWT ZMC HD ( FOR T/C ) SCREW Ø4x20MM PWT ZMC HD ( FOR EUR ) SCREW Ø4x18MM PWT ZMC HD ( FOR T/C ) SCREW Ø4x24MM PWT ZMC HD ( FOR EUR )

REMARKS

1 ­ 20 1 ­ 21 1 ­ 22 1 ­ 23 1 ­ 24 1 ­ 25 1 ­ 26

023-23010032 099-39SRL501 035-SRL50002 035-SRL50012 011-SR900401 021-44015032 021-44020032 021-44018032 021-44024032

1 ­ 27

084-SD900200 094-SD900100 087-00000007 087-00000001 087-00000004

TRANSFORMER UL 120V/60Hz ( FOR T/C ) TRANSFORMER VDE 230V/50Hz ( FOR EUR ) AC CORD "UL" L=2000MM BLACK ( FOR T/C ) AC CORD "VDE" L=2000MM BLACK ( FOR EUR ) AC CORD "BSI" L=2000MM BLACK ( FOR UK/HKG ) CORD STOP SPEAKER PAPER TUBE(BOTTOM) SCREW Ø4x10MM PWB ZMC HD SPEAKER 3" 8 OHM 10~15W EVA SHEET:Ø83xØ73xT1.5MM BOTTOM CABINET ( FOR T/C, EUR ) AUX PCB ASS'Y ( FOR T/C ) AUX PCB ASS'Y ( FOR EUR ) RUBBER FOOT B TRANSFORMER RUBBER SHEET (B) ( FOR EUR/HKG ) TRANSFORMER RUBBER (ROUND) ( FOR EUR/HKG ) ADIABATIC SHEET ( FOR EUR/HKG ) TRANSFORMER RUBBER SHEET (A) ( FOR EUR/HKG )

1 ­ 28

1 ­ 29 1 ­ 30 1 ­ 31 1 ­ 32 1 ­ 33 1 ­ 34 1 ­ 35 1 ­ 36 1 ­ 37 1 ­ 38 1 ­ 39 1 ­ 40

010-SD900600 044-SLD90040 023-44010032 061-OLT10801 035-OOLT1052 001-SR500100 100-SR502100 100-SR501190 037-SR500100 037-SD900500 037-SD900600 015-SR500300 037-SD900400

9

SR-L50 EXPLODED VIEW-2
REF. NO
2­1 2­2 2­3 2­4 2­5 2­6 2­7 2­8 2­9 2 ­ 10 2 ­ 11 2 ­ 12 2 ­ 13 2 ­ 14 2 ­ 15 2 ­ 16 2 ­ 17 2 ­ 18 2 ­ 19 2 ­ 20 2 ­ 21 2 ­ 22 2 ­ 23 2 ­ 24 2 ­ 25 2 ­ 26 2 ­ 27 2 ­ 28 2 ­ 29 2 ­ 30 2 ­ 31 2 ­ 32 2 ­ 33 2 ­ 34 2 ­ 35 2 ­ 36 2 ­ 37 2 ­ 38

PARTS NO.
007-SR500300 007-SR500200 001-SR500000 023-23008032 011-SR500800 010-SR501300 010-SR501000 100-SR502110 022-23006032 010-SR500900 004-SR500200 004-SR500201 004-SR500100 010-SR500500 010-SR500600 011-SR500900 010-SR501200 100-SR502040 080-SRL50021 009-SR500000 100-SR502050 023-42610032 004-SR500101 010-SR500700 010-SR500800 004-SR500301 100-SR502030 100-SR502120 010-SR501100 010-SR501400 004-SR500500 051-SRL50001 010-SR500400 023-23010032 037-SR500000 004-SR500401 100-SR502140 100-SR502130

DESCRIPTION
LCD DISPLAY LENS BOTTOM CABINET LENS FRONT CABINET SCREW Ø3x8MM BB ZMC HD POLE BKT RIGHT CAP SHAFT SIDE POLE RIGHT BASS PCB ASS'Y SCREW Ø3x6MM BM ZMC HD BBS KNOB LENS RING BBS VOLUME KNOB MASKING KNOB VOLUME KNOB VOLUME LENS RING VOLUME LENS COVER FUNCTION PCB BKT PCB HOLDER RIGHT FUNCTION PCB ASS'Y LCD DISPLAY: MODEL:TCM-3866 LCD BACK LIGHT HOLDER LCD DISPLAY PCB ASS'Y SCREW Ø2.6x10MM PWB ZMC HD TUNER KNOB TUNER LENS RING TUNER LENS COVER FUNCTION KEY L LEFT FUNCTION PCB ASS'Y TOP LEFT LED PCB ASS'Y SIDE POLE L TOP PANEL SNOOZE KNOB SPEAKER NET HIMERON CLOTH HOLDER SCREW Ø3x10MM BB ZMC HD RUBBER FOOT A FUNCTION KEY A BOTTOM LIGHT RIGHT PCB ASS'Y BOTTOM LIGHT LEFT PCB ASS'Y

REMARKS

11

SR-L50 EXPLODED VIEW-3
REF. NO
3­1 3­2 3­3 3­4 3­5 3­6 3­7 3­8 3­9 3 ­ 10 3 ­ 11 3 ­ 12 3 ­ 13 3 ­ 14 023-23008032 011-SR500100 011-SR500000 011-SR500200 011-SR500300 011-SR500400 100-SR502030 100-SR501170 3 ­ 15 3 ­ 16 3 ­ 17 3 ­ 18 3 ­ 19 3 ­ 20 001-SR500200 001-SR500500 022-23014033 022-23008033 015-SR500100 100-SR502080 004-SR500600 100-SR502090 022-23006032 011-SR500600 007-SR500100

PARTS NO.

DESCRIPTION
FRONT CABINET ASS'Y WOOFER BOX ASS'Y PHONE JACK PCB ASS'Y SCREW Ø3x6MM BM ZMC HD PHONE PCB BKT CD DOOR CD ASS'Y SCREW Ø3x8MM BB ZMC HD CD BKT RIGHT CD BKT LEFT BRIDGE BKT FRONT BRIDGE BKT REAR CD PCB SHIELD PLATE CD PCB ASS'Y ( FOR T/C ) CD PCB ASS'Y ( FOR EUR ) REAR CABINET ( FOR T/C ) REAR CABINET ( FOR EUR ) SCREW Ø3x14MM BB ZMC HD SCREW Ø3x8MM BM ZMC HD REAR CABINET PVC SHEET SNOOZE SW PCB ASS'Y DIMMER KNOB

REMARKS

13

SR-L50 EXPLODED VIEW-4
REF. NO
4­1 4­2 4­3 4­4 4­5 4­6 4­7 4­8 4­9 4 ­ 10 4 ­ 11 4 ­ 12 4 ­ 13 4 ­ 14 4 ­ 15 4 ­ 16 4 ­ 17 4 ­ 18 4 ­ 19 4 ­ 20 4 ­ 21

PARTS NO.
008-OLT98003 085-OLT98050 100-SR502150 063-OLT98400 010-LT980100 051-SRL50002 025-OLT98002 037-OLT10100 039-LT980130 023-43008032 037-OLT10200 002-LT980100 002-LT980000 008-OLT98001 008-OLT98000 023-42606032 008-OLT98002 033-02301015 011-LT980000 052-OLT98000 010-LT980000

DESCRIPTION
CD BELT GEAR (D) MOTOR RF-500TB-12560 CD MOTOR PCB ASS'Y LEAF SWITCH CD DISC HOLDER CD CLAMPER HIMERON SPECIAL SCREW CD RUBBER CUSHION(AC-211A-SIN30° BLACK) CD PICK UP (SAMSUNG :CMS-B31VG6) SCREW Ø3x8MM PBW ZMC HD (Ø=12MM) CD LOADING TABLE CD RUBBER CUSHION(AC-211A-SIN40° PINK) CD BASE CD SMALL GEAR (B) CD BIG GEAR (A) SCREW Ø2.6x6MM PBW ZMC HD CD FLY GEAR (C) BELT YOKE MAGNET CD DECK HOLDER

REMARKS

15

SR-L50 5 PC BOARD AND PARTS LIST MAIN PCB ASSY
REF. NO PARTS NO. DESCRIPTION
100-SR502010 MAIN PCB ASS'Y 062-SRL50000 MAIN PCB 94V-0 REV:00 IC3 C1,2,3,4,5,6,7,8 C18,84 C47,48 C139 C22,37,39 C24 C27 C38,40 C41,42 C60,62,63 C9 C10,14,17,28 C11,15,35,36,79,140 C12 C13,16,19,33,46,49 50,77,78,80 C20 C29,30,31,32,87,88 141 C43,44,69,70,71,72 73,74,75,76,81,82 C45,83,146 C51 C52,53,54,58 C55,56,57 C59,61 C64,67,68 C65 072-03300161 072-11000251 072-A1000501 072-04700162 072-01000251 072-30100251 072-12200125 E/C CAP 33UF/16V M E/C CAP 100UF/25V M E/C CAP 1UF/50V M E/C CAP 47UF/16V M E/C CAP 10UF/25V M E/C CAP 1000UF/25V M (H<22MM) E/C CAP 220UF/25V M 072-01000161 E/C CAP 10UF/16V M 072-04700251 072-A3300501 E/C CAP 47UF/25V M E/C CAP 3.3UF/50V M 070-32200507 070-31000506 070-02200502 070-50100507 071-50121001 071-38201001 071-50271001 071-30331001 071-50151001 071-50101001 072-30220251 072-12200161 072-04700161 072-30470251 072-11000161 CERAMIC CAP 0.022UF 50V Y5U M CERAMIC CAP 0.01UF 50V Z5U M CERAMIC CAP 22PF 50V NPO J CERAMIC CAP 0.1UF 50V Y5U M MYLAR CAP 0.12UF 100V J (H<12MM) MYLAR CAP 0.082UF 100V J MYLAR CAP 0.27UF 100V J (H<16MM) MYLAR CAP 0.0033UF 100V J MYLAR CAP 0.15UF 100V J (H<12MM) MYLAR CAP 0.1UF 100V J (H<10MM) E/C CAP 2200UF/25V M (H<25MM) E/C CAP 220UF/16V M E/C CAP 47UF/16V M E/C CAP 4700UF/25V M (H<30MM) E/C CAP 100UF/16V M ZD1 077-3011B20H ZENER DIODE 10V 0.5W Q1,2,4,5,8,12,13 14,15,16,17,18,33 34,310 Q6,9 Q7 076-00A73300 076-00B54400 TRANSISTOR:2SA733 TRANSISTOR:2SB544F 076-00C94500 TRANSISTOR:2SC945 L1 078-06301952 FILTER COIL Ø3.0MMx19.5TxØ0.5MM IC4 IC5,6 IC7 IC8 IC12 IC13 075-00405201 075-00926001 075-01521808 075-00821841 075-00780801 075-00780501 075-00401301 IC:TC4052BP IC:TC9260P IC:BA15218 IC:TA8218AH IC:AN7808 IC:KIA7805PI IC:TC4013BP

MAIN PCB ASSY
REF.NO
FUSE01,02

PARTS NO.
090-22520022

DESCRIPTION
FUSE T2AL 250V "UL/CSA/VDE" MARK

CN2 CN3,7,9 CN4 CN6 CN11 CN19 CN15

082-10340100 082-10300100 082-10240100 082-10500100 082-10540100 082-20540100 082-21450100

CONNECTOR 3PIN P=2.5MM 180° CONNECTOR 3PIN P=2.0MM 180° CONNECTOR 2PIN P=2.5MM 180° CONNECTOR 5PIN P=2.0MM 180° CONNECTOR 5PIN P=2.5MM 180° CONNECTOR 5PIN P=2.5MM 90° FPC CONNECTOR 14PIN P=1.25MM 90°

D1,2,3,4 D5,6,7,8

077-10539201 077-10400201

DIODE 1N5392 DIODE 1N4002 DIODE 1N4148

D9,10,11,12,13,14,15 077-00414801 22,23

16

SR-L50

CD PCB ASSY
REF. NO PARTS NO. DESCRIPTION
100-SR502020 CD PCB ASS'Y 062-SRL50001 CD PCB 94-HB REV:00 (FOR T/C) 062-SRL50006 CD PCB 94-HB REV:00 (FOR EUR)

CD PCB ASSY
REF.NO
L9,10

PARTS NO.
095-00100001

DESCRIPTION
INDUCTOR 10UH 0.5W

Q201 Q202

076-00B54400 076-00A73300 076-00C94500

TRANSISTOR:2SB544F TRANSISTOR:2SA733 TRANSISTOR:2SC945

C203,204 C205,206 C211,240,241,243 245,246,251,252,260 262 C212,213 C215,247 C217,231,239,256 257 C219 C232,233,234,235 242 C236,237 C253 C254 C218 C249,250 C201,202 C207,208 C210,238,248 C220,221,223,224 226,227,228,244,255 258,259 C230

070-30220505 070-03300502 070-50100507

CERAMIC CAP 0.0022UF 50V Y5P M CERAMIC CAP 33PF 50V NPO J CERAMIC CAP 0.1UF 50V Y5U M

Q203

XT2 XT3

093-A0750002 093-11693440

XTAL 75KHz XTAL 16.9344MHz

070-01500502 070-30470506 070-31000506

CERAMIC CAP 15PF 50V NPO J CERAMIC CAP 0.0047UF 50V Z5U M CERAMIC CAP 0.01UF 50V Z5U M

070-04700502 070-34700507

CERAMIC CAP 47PF 50V NPO J CERAMIC CAP 0.047UF 50V Y5U M

070-14700504 070-00300502 070-05600502 071-31501001 071-50221001 072-A3300501 072-02200161 072-11000161 072-04700161

CERAMIC CAP 470PF 50V Y5E K CERAMIC CAP 3PF 50V NPO C CERAMIC CAP 56PF 50V NPO J MYLAR CAP 0.015UF 100V J MYLAR CAP 0.22UF 100V J E/C CAP 3.3UF 50V M E/C CAP 22UF/16V M E/C CAP 100UF/16V M E/C CAP 47UF/16V M

072-30220101

E/C CAP 2200UF/10V M

CN5 CN12 CN14 CN17 CN18 CN21

082-21450100 082-23050100 082-20300100 082-20600103 082-21600305 082-20500100

FPC CONNECTOR 14PIN P=1.25MM 90° FPC CONNECTOR 30PIN P=1.25MM 90° CONNECTOR 3PIN P=2.0MM 90° CONNECTOR 6PIN P=2.0MM 90° FPC CONNECTOR 16PIN P=1.0MM CONNECTOR 5PIN P=2.0MM 90°

D201,202,203,204 205,206

077-00414801

DIODE 1N4148

IC9 IC10 IC11 IC14

075-094A0931 075-00209001 075-00215301 075-00729111

IC:TC94A09F-202 IC:TA2092N IC:TA2153FN IC:TA7291S

18

SR-L50

TUNER PCB ASSY
REF. NO PARTS NO. DESCRIPTION
100-SR502060 TUNER PCB ASS'Y 062-SRL50003 TUNER PCB 94-HB REV:00

TUNER PCB ASSY
REF.NO
Q27 Q28,29,30

PARTS NO.
076-00A73300 076-00C94500

DESCRIPTION
TRANSISTOR:2SA733 TRANSISTOR:2SC945

C102,104,106,108 C118 C131 C133,134,136

072-11000161 072-A3300501 072-11000162 072-01000251

E/C CAP 100UF/16V M E/C CAP 3.3UF/50V M E/C CAP 100UF/16V M E/C CAP 10UF/25V M

TC1

073-00020022

TC.20PF

VD1,2

077-50014901

ISV149

XT1 C101,105,107,109 122,127,132,144,145 C114,116,123 C119,125 C120,121 C103,124 C128 C129 C126 C130 C142 070-32200507 070-11000502 070-02000502 070-31000506 070-13300504 070-00800502 070-12200502 070-03000502 070-30100505 CERAMIC CAP 0.022UF 50V Y5U M CERAMIC CAP 100PF 50V NPO J CERAMIC CAP 20PF 50V NPO J CERAMIC CAP 0.01UF 50V Z5U M CERAMIC CAP 330PF 50V Y5E K CERAMIC CAP 8PF 50V NPO C CERAMIC CAP 220PF 50V NPO J CERAMIC CAP 30PF 50V NPO J CERAMIC CAP 0.001UF 50V Y5P K 070-50100507 CERAMIC CAP 0.1UF 50V Y5U M ZD3

093-04500000

XTAL 4.5MHz

077-3005B20H

ZENER DIODE 5.2V 0.5W

C110,111 C112,113,135 C115 C117

071-38201001 071-31501001 071-36801001 071-31001001

MYLAR CAP 0.082UF 100V J MYLAR CAP 0.015UF 100V J MYLAR CAP 0.068UF 100V J MYLAR CAP 0.01UF 100V J

CF1,2 CF3 CF4 CF5

081-31070001 081-04500000 093-11070003 093-A4560001

FM CERAMIC FILTER, L10.7MA5-A 3PIN AM CERAMIC FILTER, SFU450B 3PIN CERAMIC FILTER 10.7MHz 2PIN RESONATOR B456F16 2PIN

CN10

082-10600100

CONNECTOR 6PIN P=2.0MM 180°

D16,17,18,19,20,21

077-00414801

DIODE 1N4148

L2 L3 L4 L5

095-10220001 096-D2930011 079-D2930210 079-D2800011

INDUCTOR 220UH 0.5W AM BAR ANT COIL 68T:20T AM OSC COIL 3M005 RED AM IFT COIL YELLOW (3A007C)

IC1 IC2

075-00205701 075-09257F21

IC:TA2057N IC:TC9257F

21

SR-L50

LCD DISPLAYER PCB ASSY
REF. NO PARTS NO. DESCRIPTION
100-SR502050 LCD DISPLAYER PCB ASS'Y 062-SRL50005 UNITED PCB 94-HB REV:00

LEFT FUNCTION PCB ASSY
REF.NO PARTS NO.
100-SR502030 062-SRL50005

DESCRIPTION
LEFT FUNCTION PCB ASS'Y UNITED PCB 94-HB REV:00

C301 C302

072-04700161 072-12200101

E/C CAP 47UF/16V M E/C CAP 220UF/10V M

LED2

094-06030502

BLUE LED:Ø5MM

Q303 CN12 082-23050100 FPC CONNECTOR 30PIN P=1.25MM 90° SW01,02,03,04,05 D301 077-00414801 DIODE 1N4148 06,07,08

076-00C94500

TRANSISTOR:2SC945

063-0GP28020

TACT SWITCH H=5.0MM

Q304,305,307,308 309 Q306,311

076-00A73300

TRANSISTOR:2SA733

RIGHT FUNCTION PCB ASSY
076-00C94500 TRANSISTOR:2SC945

REF.NO

PARTS NO.
100-SR502040 062-SRL50005

DESCRIPTION
RIGHT FUNCTION PCB ASS'Y UNITED PCB 94-HB REV:00

LED5

094-06030502

BLUE LED: Ø5MM

Q301,302

076-00C94500

TRANSISTOR:2SC945

SW09,010,011,012 013,014,015,016

063-0GP28020

TACT SWITCH H=5.0MM

BOTTOM LIGHT LEFT PCB ASSY
REF.NO PARTS NO.
100-SR502130 062-SRL50005

DESCRIPTION
BOTTOM LIGHT LEFT PCB ASS'Y UNITED PCB 94-HB REV:00

LED7

094-06030602

BLUE LED: Ø5MM

BOTTOM RIGHT LEFT PCB ASSY
REF.NO PARTS NO.
100-SR502140 062-SRL50005

DESCRIPTION
BOTTOM LIGHT RIGHT PCB ASS'Y UNITED PCB 94-HB REV:00

LED4

094-06030602

BLUE LED: Ø5MM

23

SR-L50

TOP LEFT LED PCB ASSY
REF. NO PARTS NO. DESCRIPTION
100-SR502120 TOP LEFT LED PCB ASS'Y 062-SRL50005 UNITED PCB 94-HB REV:00

AUX PCB ASSY
REF.NO PARTS NO.
100-SR502100 062-SRL50005

DESCRIPTION
AUX PCB ASS'Y UNITED PCB 94-HB REV:00

CN303 CN305

082-20300100 082-20240100

CONNECTOR 3PIN P=2.0MM 90° CONNECTOR 2PIN P=2.5MM 90°

C161,162

070-30100505

CERAMIC CAP 0.001UF 50V Y5P K

CN8 LED3 094-06030502 BLUE LED: Ø5MM CN16

082-10240100 082-10300300

CONNECTOR 2PIN P=2.5MM 180° CONNECTOR 3PIN P=2.0MM 180°

JK02

086-SLD90020 020-SD900000

AUX JACK 2PIN FM ANT JACK

BASS PCB ASSY
REF. NO PARTS NO. DESCRIPTION
100-SR502110 BASS PCB ASS'Y

JK03

SW023

063-SRL50060

TACT SWITCH 90° L=4.3MM

062-SRL50005 UNITED PCB 94-HB REV:00

CN304 CN306

082-20300100 082-20240100

CONNECTOR 3PIN P=2.0MM 90° CONNECTOR 2PIN P=2.5MM 90°

LED6

094-06030502

BLUE LED: Ø5MM

VR1

069-SR501000 VR:50KB

PHONE JACK PCB ASSY
REF. NO PARTS NO. DESCRIPTION
100-SR502090 PHONE PCB ASS'Y 062-SRL50005 UNITED PCB 94-HB REV:00

C151,152

070-50100507

CERAMIC CAP 0.1UF 50V Y5U M

CN1

082-20600103

CONNECTOR 6PIN P=2.0MM 90°

JK01

064-35020104

HEAD PHONE JACK Ø3.5MM

SW022

063-0GP28020 TACT SWITCH H=5.0MM

SNOOZE SWITCH PCB ASSY
REF. NO PARTS NO. DESCRIPTION
100-SR502080 SNOOZE SWITCH PCB ASS'Y 062-SRL50005 UNITED PCB 94-HB REV:00

SW019,021 SW020

063-SLD90000 TACT SWITCH H=4.3MM 063-SLD90001 TACT SWITCH H=5.0MM

24

TUNER PACK
GND OSC OUT FM ANT

R170

AM IFT

IF OUT

FM VT

AGC

VCC

270 C126 CF3 450B 220PF L5

C125 100PF

C135 153M

C31 3.3/50 C115 683M R185 33K C136 10/25 C29 C111 823M R180 22K C110 CF5 823M CF456F 3.3/50 C33 100/16 R47 220K R46 220K 6 R61 12K 5 8
VCC

R75 120K C47 22PF R66 C37 124M R119 15K 12K R68 43K R69 6K8 C43 10/16 C44 10/16 R71 47K R60 R70 12K C39 124M R54 12K R55 8K2 R57 2K7 R56 4K7 8 R72 43K R73 6K8 2 3 C46 100/16 8 5

+
4

7

C49 100/16 R79 47 OHM

R78 15K

CW1

CN1 MUTE GND R-CH L-CH DIM +5.7V 1 2 3 4 5 6

JK01

1 C142

2 102

3

4

5

6

R186 22K C133 10/25

+
-

7

R63 12K R62 8K2 C38 332M R65 2K7

6 -

R67 47K R64 4K7

IC6<1/2> BA15218
C45 R76 33/16 1K R77 220 C50 100/16

R169

10.7GMA5

R182

1N4148

1N4148

CF4

D20

D21 1

B.P.F.<75 OHM>

47K

F001 GFWB3 SE

C132 104 3

C131 100/25

120

PHONES JACK SW022

R49 12K C35 47/16

R48 100K

IN

IC1 TA2057BP

OUT GND 2

R159 100

IC5<1/2> BA15218

C41 154M

6PIN P=2.0mm
C151 104CC

24
FM IF IN

23
AM MIX OUT S.SENS

22
VSTB

21
QUAD AM IF IN

20
FM OUT

19
AM OUT

18

17
LPF1 FM ST DET IN

16
LPF2

15
VCO

14
L OUT

13

R188 5K6 C112 153M

R44 22 R50 220K C30 3.3/50 2 R51 220K 3

DIMMER

1

R80 47 OHM

C152 104CC

FM S.SENS

R OUT

AM RF IN

VCC

GND

AGC

R162 R164 330
Q30

IF OUT/REQ

AM OSC

AM OSC OUT

TUN LED

IC5<2/2> BA15218

12K

+
22PF 120K

PHONES JACK PCB
J48 10K C67 CN2 1 1000/25 2 3 L-CH GND GND

330

ST

C48 R120 15K R74

IC6<2/2> BA15218

R163 10K CF1 L10.7MA5-A

1

2

3 R152 3K3

4 R178 100

5

6

7

8

9

10

11

12

C113 153M

+
VEE

1 4 R52 100K

SPEAKER-L
CW2

R146

7K5

2SC945 CF2 L10.7MA5-A

R161 3K3

R165 1K5

R160

C116

C122 104

223

R166 10K

C123 223 R32 R167 100K L2 220UH CW11 +9V CN11 1 2 3 4 5 Q18 2SC945 R33 10K R34 4K7 22

C36 47/16

3.3/50

R82 2.2 1/4W 7 3 1

C124 103

C134 10/25

R187 R147 10K R148 10K 5K6

R53 12K

C32

C40 332M

L-CH

C52 1/50

6

FILTER IN1 OUT1

10

680

C42 154M

C55 47/16

NF1 GND NF2 GND 13

C51 100/25 C60 104M

3P P=2.5mm

2" 8 OHM

100K VD1 ISV149 TC1 20PF L4 L3 VD2 ISV149 C128 C129 C130 8PF 30PF AM OSC

GND 330PF R-CH GND R183 3K3 R141 L-CH D19 1N4148 5PIN P=2.5MM

R35 10K

Q17 2SC945 R36

R43 47K Q16 2SC945 C25 184M R38 3K3

C28 220/16

C56 47/16 C53 1/50 C54 1/50 C57 47/16

TA8218AH

R168

R-CH

C62 104M R83 2.2 1/4W C68 1000/25

SPEAKER-R
CN3 1 2 3 CW3 R-CH GND GND

C127 104

AM ANT

C22 124M

10K

C26 394M

Q15 2SC945 C27 274M R42 2K2 CN9 1 2 3

WOOFER VR PCB WOOFER VR
CW9
WOOFER IN

2

IN2

OUT2

17

R149 3K3 C118 3.3/50 C117 103M R150 3K3 R151 Q28 2SC945 CN10 6PIN P=2.0mm 10K 1 2 3 4 5 6 C145 104 R184 220K C114 223 C108 100/16 R154 1K 100PF C119 C109 104 C107 104

150

IC7

C23 563M

R142 220 R362 12K

R37 3K9 C24 823M

R39 22K R40 47K R41 2K7

5

IN3

C1

15

C59 10/25 C61 10/25

GND
WOOFEROUT

3P P=2.0mm

2" 8 OHM

C144 104

C106 100/16 D14 Q27 2SA733

R361 3K 1N4148 R29 Q13 2SC945 D15 1N4148 6K8 R132 100 C20 47/25 Q12 2SC945 C19 100/16 R27 4K7 R26 47K D13 1N4148 R25 10K R363 3K3 R364 10K

3PIN P=2.0MM

VR1 50KB

4

NF3

C2

12 R84 2.2 1/4W C63 104M CN4 1 2 WOOFER GND CW4

R58

16

WOOFER INPUT
Q33 2SC945 R17 1M C58 1/50 R31 3K3 R121 10K

2K2 R59 2K2 Q14 2SC945 11

MUTE1 14

W00FER

R181 1M 20 DO2 19 DO1

R153 1K 18 I/O-7 17 I/O-8 IF IN1 16 I/O-9 IF IN2 GND

MUTE2 VCC 9 C65 220/25

OUT3

15

14 FM IN

13 AM IN

12 VDD

11 I/O-6 C105 104
HZ5B2 <4.8-5.0V>

R143 C104 100/16 R144 10K 10K R145 330

C64
1000/25

TO CD PCB

GND

PERIOD CLOCK DATA
IF/MUTE

PERIOD

CLOCK

DATA

XT IN

IC2
OT-1 OT-2 6

TC9257F
OT-3 OT-4 7 8 9 I/O-5 10 C103 103

R28 4K7

2P P=2.5mm

3" 8 OHM

XT 1

ST IN

2 3 R179 6K8 C121 20PF

4

5

ZD3 C101 104

C102 100/16 R366 10K

Q29 2SC945 R158 47K D18 1N4148

C120 20PF

XT1 4.5MHZ 1N4148

Q34 2SC945 R365 10K

R155 D17 D16 1N4148 R156 R157

47K 47K 47K

R18 5K6

TUNER PCB

D12 1N4148 R131 100 1 2 CN15 FPC 14PIN SLD +8V CD-PWR +5.7V GND PWR MUTE VOL-CE VL-CLK VL-DATA FUNC A FUNC B X-BASS
DIMMER

R171 100K R172 100K 7 VSS SET1 DATA2 9 R173 100K CW8 GND 8 FM ANT 6 DATA1 RESET2 5 RESET1 4 CLK1 3 Q1 2 Q1 1 3.3/50

R367 2K2

3 4 5 Q9 2SA733 +5.7V VIN GND C146 33/16 D10 1N4148 D11 1N4148 R16 47K 6 7 8 9 10 11 D22 1N4148 R89 1K R111 220K 220K 220K 220K 10/16 C81 10/16 R88 1K R87 R90 1K 100K C16 100/16 R1 Q6 2SA733 R10 47K R11 560 DATA C15 47/16 2SC945 C83 33/16 Q5 R9 10K R134 2K2 R8 10K Q3 2SC2001L R2 680 1/4W R3 2K2 C14 D9 220/16 1N4148 C13 100/16 R135 10K ZD1 10V HZ11B2 <10.4-10.8V> Q2 2SC945 R4 4K7 R130 10K 1 OHM 1/4W C1 R5 10K C12 4700/25 223 C2 223 12 13 14 R86 1K R7 560

R176 100

C141

C139 104

C78 100/16 R97 3K3 C87 3.3/50 R98 3K3 R99 1K

10

11 R174 100K

12

13 C140 47/16

14 1N4148

R95 4K7 R100 100K C73 10/16 C77 100/16 C75

R94 100

Q310 2SC945

IC13
SET1 CN8

TC4013BP
VDD Q2 Q2

R96 100

R308 C79 10K 47/16 R309 10K

C18 103

IC12
C17 220/16

KIA7805

R175 100K

D23

R112 1 2 C71 10/16 C70 10/16 R113

R OUT

TUNER

VDD

CD

JK02

R -COM

AUX

CW7 R-CH GND L-CH

CN7 R103 6K8 1 2 3 R106 100K

GND2

VDD

R IN

LD3

1X

LD4

A

STB

FM ANT JK03

P=2.5MM 2P

16

15

14

13

12

11

10

9
B

R114

16

15

14

13

12

11

10

9

D1 1N5392

D2

1N5392 FUSE02 T2AL/250V

L OUT

GND1

IC3
AUX

TC4052BP
VSS VEE VSS INH

IC4
L IN

TC9260P
LD1 LD2

Q4 2SC945

D3 1N5392 Q1 2SC945

D4

1N5392 223

TUNER

L-COM

C72 10/16

1Y

R104 6K8 R105 100K

CD

AUX INPUT

1

2

3

4

5

6

7

8
R115 R116 220K 220K 220K 220K

1

2

3

4

5

6

7

8
L1

AUX JACK PCB

CK

CS

R129 10K

R6 10K

C3 223

C4

+8V 19.5T R93 4K7 C76 R91 1K C80 100/16 C82 10/16 R92 100K R12 10K Q7 2SB544 R14 560 GND R15 47K C10 220/16

VIN C5 223 C6 223 5PIN D5 1N4002 C9 2200/25 D6 1N4002 1 2 3 4 FUSE01 T2AL/250V RED RED WHITE WHITE CW19

TO CD PCB

L-CH GND R-CH +8V GND CN6 5PIN P=2.0mm

1 2 3 4 5

R107 10K

C88

3.3/50 C69 10/16

R117 R118

TRANSFORMER

IC8 AN7808

R108 10K R109 100K R110 100K

R101 1K

C74 10/16

R102 100K R122 10K

10/16

Q8 2SC945 R13 10K C11 47/16

D7

1N4002

D8

1N4002

AC COAD AC INPUT: 120V/60HZ

C84 103

C7 223

C8

223

CN19

CD INPUT

GND

P=2.5mm 90"

SR-L50 MAIN PCB