Pioneer XC-L77 Service Manual

Stereo cd receiver

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Operating instructions manual (142 pages)

Operating instruction (48 pages)

Service manual (55 pages)

STEREO CD RECEIVER

XC-L77

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model

Type

XC-L77

MYXK

NVXK

¶ This product is a system(s) component.

Be sure to connect it to the prescribed system component(s), otherwise damage may

result.

Component

STEREO CD RECEIVER

SPEAKER SYSTEM

STEREO CASSETTE DECK

MINIDISC RECORDER

CONTENTS

1. SAFETY INFORMATION ...................................... 2

2. EXPLODED VIEWS AND PARTS LIST ............... 3

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ... 10

4. PCB CONNECTION DIAGRAM ......................... 24

5. PCB PARTS LIST ............................................... 36

6. ADJUSTMENT .................................................... 42

STANDBY/ON

Power Requirement

AC220-230V

AC230V

Model

XC-L77

S-L9-LRW

S-L9-A-LRW

CT-L77

MJ-L77

PHONES

Service manual

RRV2187

RRV2176

S-L8-LRW

RRV2178

RRV2199

RRV2201

7. GENERAL INFORMATION ................................ 45

7.1 DISASSEMBLY ............................................ 45

7.2 PARTS .......................................................... 48

7.2.1 IC ............................................................ 48

7.2.2 DISPLAY ................................................. 51

8. PANEL FACILITIES AND SPECIFICATIONS ....... 52

ORDER NO.

RRV2187

Remarks

This manual.

Table of Contents

Summary of Contents for Pioneer XC-L77

Page 1: Table Of Contents
ORDER NO. PHONES RRV2187 STANDBY/ON STEREO CD RECEIVER XC-L77 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). Model Type Power Requirement Remarks XC-L77 MYXK AC220-230V NVXK AC230V ¶ This product is a system(s) component. Be sure to connect it to the prescribed system component(s), otherwise damage may result.
Page 2: Safety Information
∗ : Refer to page 42. IMPORTANT THIS PIONEER APPARATUS CONTAINS LASER OF CLASS 1. SERVICING OPERATION OF THE APPARATUS S H O U L D B E D O N E B Y A S P E C I A L L Y INSTRUCTED PERSON.
Page 3: Exploded Views And Parts List
Pad Front AHA7260 Fuse (T5A) See Contrast table (2) Pad Rear AHA7261 (2) CONTRAST TABLE XC-L77/MYXK and NVXK are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks MYXK Type NVXK Type AC Power Cord...
Page 4 XC-L77 2.2 EXTERIOR 53 (1/2) 53 (2/2) ×2 Refer to "2.3 CD MECHA (1/2)" "2.4 CD MECHA (2/2)" .
Page 5 Sub Barrier AEC7197 Caution Label See Contrast table (2) Fuse Card AXX7033 (2) CONTRAST TABLE XC-L77/MYXK and NVXK are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks MYXK Type NVXK Type Name Label...
Page 6 XC-L77 2.3 CD MECHA (1/2) 16 15 No supplied part • CD MECHA (1/2) PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Tray(C) 2-646-290-01 Insulator 2-627-234-(01) • • • • • MD Assy • • • • •...
Page 7 XC-L77 2.4 CD MECHA (2/2) No supplied part • CD MECHA (2/2) PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Motor Chassis Assy X-2625-984-(1) Ring(LO)(S),Center 2-625-477-(01) Motor Gear Assy X-2625-769-(1) Screw2*5,Tapping(S) 2-641-386-(01) Sled Shaft 2-626-908-(01) Reinforcement(S)
Page 8 XC-L77 2.5 DISPLAY UNIT • DISPLAY UNIT PARTS LIST Mark No. Description Part No. 1 FL UNIT AWU7387 2 FLSUB UNIT AWU7388 3 Display Panel AMB7630 4 Magnet PMF1010 5 Display Plate AAH7056 6 FL Filter AEC7195 7 Window AAK7668...
Page 9 XC-L77 2.6 REMOTE CONTROL UNIT Litium Battery • REMOTE CONTROL UNIT PARTS LIST Mark No. Description Part No. Mark No. Description Part No. CONTROL UNIT AWU7390 VOL. Button ( AAD7542 SWITCH UNIT AWU7411 Control Cover AMC7034 TERMINAL UNIT AWU7412 Spacer AEB7163 •...
Page 10: Block Diagram And Schematic Diagram
XC-L77 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM AUX UNIT (AWU7381) HP UNIT KEYR UNIT (AWU7382) (AWU7383) BLUE IND. UNIT (AWU7385) IC3501 STBY SW UNIT (NJM4558MD) PHONES (AWU7386) KEYL UNIT (AWU7384) 1/2, MAIN UNIT (AWU7374) FM/AM TUNER UNIT...
Page 11 XC-L77 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". : AUDIO SIGNAL ROUTE DISPLAY UNIT FL UNIT (AWU7387) JA6801 AKP7128 FLSUB UNIT CN5703 (AWU7388) AKP7128 DETACH UNIT (AWU7389)
Page 12 XC-L77 3.2 FM/AM TUNER UNIT MIX AMP RF AMP BUFFER IF AMP FM +B SW AM RF TUNING BLOCK FM/AM TUNER MODULE (AXQ7226)
Page 13 XC-L77 AF AMP AF AMP B14B-PH-K-S REGULATOR...
Page 14 XC-L77 3.3 RF and MAIN (1/2) UNITS MAIN UNIT (AWU7374) CN1302 DRIVER CN1301 RF UNIT (AWU7380) RF AMP. CN1101 CN1102 CN1202...
Page 15 XC-L77 : CD AUDIO SIGNAL ROUTE : FOCUS SERVO LOOP LINE : TRACKING SERVO LOOP LINE : SPINDLE SERVO LOOP LINE : CARRIAGE SERVO LOOP LINE : LOADING SERVO LOOP LINE CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
Page 16 XC-L77 3.4 MAIN (2/2), KEYR, KEYL, BLUE IND. and STBY SW UNITS : The power supply is shown with the marked box. MAIN UNIT (AWU74374) CN5013 (REC) (PB) CN5014 CN5552 (TX) (TX) (TX) (REC) BUFFER FUNC 1 E-VOL...
Page 17 XC-L77 STBY SW UNIT KEYR UNIT BLUE IND. UNIT : AUDIO SIGNAL ROUTE (AWU7386) (AWU7383) (AWU7385) (TX) J5803 : TUNER AUDIO SIGNAL ROUTE CN5901 : AUX AUDIO SIGNAL ROUTE CN5802 (REC) : REC AUDIO SIGNAL ROUTE (PB) : PB AUDIO SIGNAL ROUTE...
Page 18 XC-L77 3.5 AMP, SPEAKER, SECONDARY and PRIMARY UNITS WOOFER AMP. L/R AMP. AMP UNIT (AWU7376) CN3303 CN3304 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491001F FOR IC33 MFD, BY LITTELFUSE INC. CN3308 MAIN TRANS.
Page 19 XC-L77 : AUDIO SIGNAL ROUTE SPEAKER UNIT (AWU7377) CN3301 CN3302 CN3305 WOOFER LEVEL CONT CN3307 CN3701 LEVEL DET. FAN CONT DC FAN MOTOR CN3331 AKE7001 CN3332 PROTECTION : The power supply is shown with the marked box.
Page 20 XC-L77 3.6 CONNECTOR, HP and AUX UNITS J3901 CN3901 PHONES CN3091 CN3592 JA3901 CN5011 HP UNIT (AWU7382) (PB) (PB) (PB) (PB) CN5012 CN3307 CN3305 L M N...
Page 21 XC-L77 : REC AUDIO SIGNAL ROUTE : AUDIO SIGNAL ROUTE (HP) (PB) : PB AUDIO SIGNAL ROUTE : AUX AUDIO SIGNAL ROUTE CONNECTOR UNIT (AWU7375) JA1651 JA6801 AKP7128 CN5551 AUX UNIT (AWU7381) CN5552 (PB) (PB) (PB) TCPOWSW With CT-L77 : 14V...
Page 22 XC-L77 3.7 FLSUB, DETACH, CONTROL, TERMINAL, SWITCH and FL UNITS FLSUB UNIT (AWU7388) CN5703 AKP7128 FL UNIT (AWU7387) CN5702 CN5701 FL DRIVER J5503 FL DRIVER RESET CN5902 DETACH UNIT (AWU7389)
Page 23 XC-L77 CONTROL UNIT S5901 : 4 (1 –) S5910 : MD (REC) S5902 : (VOL) S5911 : SET S5903 : (TUNER) S5912 : DISPLAY S5904 : ¢ (+ ¡) S5913 : (TAPE) S5905 : (VOL) S5914 : AUX / CD-R...
Page 24: Pcb Connection Diagram
XC-L77 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic 3. The parts mounted on this PCB include all necessary parts for diagrams. several destinations. 2. A comparison between the main parts of PCB and schematic For further information for respective destinations, be sure to diagrams is shown below.
Page 25 XC-L77 4.1 FM/AM TUNER UNIT CN5101 FM/AM TUNER MODULE VR6201 Q6204 Q6203 SIDE A FM/AM TUNER MODULE Q6101 Q6102 - Q6105 Q6205 IC6202 Q6501 Q6214 Q6601 Q6202 Q6201 IC6201 (ANP7160-B) SIDE B...
Page 26 XC-L77 4.2 RF, MAIN, KEYR, KEYL, BLUE IND. and STBY SW UNITS STBY UNIT Q5501 IC5501 Q5592 IC1301 Q1202 IC1201 Q1201 Q5591 IC5521 Q1401-Q1404 MECHA KEYR UNIT MAIN UNIT (ANP7323-B) BLUE IND. UNIT KEYL UNIT KEYL UNIT BLUE IND. UNIT...
Page 27 XC-L77 IC5701 CN5551 Q3921-Q3924 IC3201 IC1311 Q3051 Q3062 IC3071 RF UNIT CN6201 MECHA (ANP7322-C) CN5011 CN5012 Q1101 (ANP7322-C) SIDE A (ANP7322-C) (ANP7322-C) IC1101 RF UNIT Q5551 IC3101 Q3061 IC3001 SIDE B...
Page 28 XC-L77 4.3 AMP and SPEAKER UNITS AMP UNIT IC3301 Q3311 Q3312 Q3313 Q3421 Q3411 IC24 IC23 IC32 (ANP7322-C) IC3303 AMP UNIT (ANP7322-C)
Page 29 XC-L77 CN5022 CN5021 SPEAKER UNIT Q3604-Q3606 Q3432 Q3431 Q3703-Q3705 DC FAN (ANP7322-C) MOTOR SIDE A SPEAKER UNIT Q3702 Q3701 Q3705 Q3601-Q3603 Q3607 (ANP7322-C) SIDE B...
Page 30 XC-L77 4.4 SECONDARY and PRIMARY UNITS SECONDARY UNIT PRIMARY UNIT AC IN (ANP7322-C) SIDE A SECONDARY UNIT PRIMARY UNIT (ANP7322-C) SIDE B...
Page 31 XC-L77 CN5031 CN3308 (ANP7322-C) IC81 (ANP7322-C)
Page 32 XC-L77 4.5 CONNECTOR, HP and AUX UNITS HP UNIT CN5014 CN5013 CN3307 Q5521 Q5522 IC5221 IC5222 Q5232 CN3305 Q5231 From MJ-L77 CT-L77 Q6802 CN5703 (ANP7322-C) SIDE A CN5552 CONNECTOR UNIT AUX UNIT L M N...
Page 33 XC-L77 HP UNIT Q3901 Q3902 Q3911 Q5531 Q5523 Q5526 IC3501 (ANP7322-C) SIDE B CONNECTOR UNIT AUX UNIT L M N...
Page 34 XC-L77 4.6 FLSUB, DETACH, CONTROL, TERMINAL, SWITCH and FL UNITS FL UNIT FLSUB UNIT Q5751 JA6801 DETACH TERMINAL UNIT UNIT SWITCH UNIT Lithium Battery CONTROL UNIT (ANP7323-B) SIDE A O P Q R S T...
Page 35 XC-L77 Q5707 Q5702-Q5705 IC5701 Q5701 FL UNIT FLSUB UNIT DETACH TERMINAL UNIT UNIT SWITCH UNIT CONTROL UNIT Q5901 Q5903 Q5953 IC5902 Q5902 Q5952 Q5951 IC5901 (ANP7323-B) SIDE B O P Q R S T...
Page 36: Pcb Parts List
XC-L77 Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST • NOTES: mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
Page 37 XC-L77 Mark No. Description Part No. Mark No. Description Part No. C6251, C6252 CKSQYB123K50 Q3051, Q3061, Q3062, Q3922, Q3924 2PD601A C6606, C6607 CKSQYB182K50 Q5501, Q5591 2PD601A C6203, C6259 CKSQYB223K50 Q1401, Q1402 2SD2114K C6228 CKSQYB472K50 Q1201, Q1202, Q1403, Q1404, Q5551 DTA124EK...
Page 38 XC-L77 Mark No. Description Part No. Mark No. Description Part No. C1253, C1276, C1322, C1323, C1325 CKSQYF103Z50 C1413, C1414, C1417, C1603, C1604 CKSQYF103Z50 BLUE IND. UNIT C3003, C3113, C3114, C5103 CKSQYF103Z50 C5509, C5510, C5596, C5597, C5708 CKSQYF103Z50 SEMICONDUCTORS C5903 CKSQYF103Z50...
Page 39 XC-L77 Mark No. Description Part No. Mark No. Description Part No. TRANSFORMERS SPEAKER UNIT STANDBY TRANSFORMER ATT7056 SEMICONDUCTORS SWITCHES AND RELAYS Q3601–Q3603 2PB709A RY81 ASR7018 Q3604–Q3606 2PD601A Q3705 2SB1237X CAPACITORS Q3431, Q3432, Q3607, Q3702 2SD2114K Q3701 DTA124EK C3 (0.01µF/AC250V) ACG7010 C62–C64...
Page 40 XC-L77 Mark No. Description Part No. Mark No. Description Part No. CAPACITORS COILS AND FILTERS C1651 CEAT101M10 L5702 BEAD FILTER ATX1012 C5201–C5203, C5207–C5210 CKSQYB102K50 C6907, C6908 CKSQYB472K50 CAPACITORS C1652, C1653 CKSQYF103Z50 C5751 CEAL100M16 C1654, C6804, C6901, C6902 CKSQYF104Z25 C5754–C5756 CKSQYB103K50...
Page 41 XC-L77 Mark No. Description Part No. Mark No. Description Part No. RESISTORS OTHERS R5907 RD1/4PU1R5J V5701 FL TUBE AAV7069 R5903, R5911 RD1/4PU221J 5701 REMOTE RECEIVER UNIT GP1U27X R5909 RD1/4PU270J CN5701 13P SOCKET KP200TA13L Other Resistors RS1/10S FL HOLDER VNF1096 OTHERS...
Page 42: Adjustment
XC-L77 6. ADJUSTMENT NOTE: There is no information to be shown in this CD adjustment. 6.1 TEST MODE 6.1.1 How to Start/Cancel Test Mode TEST MODE : ON TEST MODE TEST MODE Short MAIN UNIT An initial function becomes CD. And becomes a blank display [...
Page 43 XC-L77 6.1.2 FUNCTION AND OPERATION IN TEST MODE Main body key (The land short circuit of MAIN UNIT contains.) or, by remote control unit. Supplied Single goods CD Operation Main body key Content of operation FL display commander key remote control unit condition FUNCTION (∗4)
Page 44 XC-L77 6.2 TUNER SECTION FM Tuner Section • Set the mode selector to FM BAND. • Connect the wiring as shown in Fig. 1. ± d ( µ ) V v i t y t i i n i 1 ± 2...
Page 45: General Information
XC-L77 7. GENERAL INFORMATION 7.1 DISASSEMBLY Top Plate Bonnet Bonnet Top Plate ×2 Top Panel Assy Top Panel Assy CD MECHA Center Barrier Flexible Cable ×2 ∗ Unhook ×2 ×2 ∗ : Please remove Top Panel 1 of Top Panel Assy, and hang Flexible Cable to the hook when assembling .
Page 46 XC-L77 Rear Panel Rear Panel ×2 ×2 ×5 Diagnosis and exchange PCB Location SPEAKER UNIT UNIT PRIMARY UNIT UNIT FM/AM TUNER UNIT MAIN UNIT SECONDARY UNIT CONNECTOR UNIT STBY SW UNIT KEYL UNIT HP UNIT BLUE IND. UNIT KEYR UNIT...
Page 47 XC-L77 Remote Control Unit Display Unit The hook two places of the rear side are removed. Display Panel and Display Cover are vertically moved. The hook three places of the upper part are removed. Draws to either of Control Panel right and left, and remove one side of hook right and left.
Page 48: Parts
XC-L77 7.2 PARTS 7.2.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. PDG248A (MAIN UNIT : IC5501) • System Control IC • Pin Function v i t...
Page 49 XC-L77 c t i l l u l l u l a i...
Page 50 XC-L77 • Port C can bitting select I/O. The input after resets. • Port D can select I/O only by (PD0-3, PD4-7) every four bits. The input after resets. • PF4-7 of port F can bitting select I/O. The input after resets.
Page 51: Display
XC-L77 7.2.2 DISPLAY AAV7069 (FL UNIT : V5701) • FL DISPLAY 12G 11G 10G Anode Connection 14G - 1G (14G - 1G) − − − − − − − − − Pin Connection Pin No. Connection F1 NP NP P38 P37 P36 P35 P34 P33 P32 P31 P30 P29 P28 P27 P26 P25 P24 P23 P22 P21 P20 P19 P18 P17 P16 P15 P14 P13 P12 Pin No.
Page 52: Panel Facilities And Specifications
XC-L77 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Panel PHONES STANDBY/ON CD Receiver 1 CD tray 2 Power light – Lights when the unit is switched 3 ^ button – Press to play a disc, or pause a disc that’s already playing (press again to...
Page 53 XC-L77 Display 9 10 11 12 13 1 Tape function – Highlights when in tape deck 11 Mono – Lights when the tuner is set to the mode mono mode (applies only to FM broadcasts). 2 CD function – Highlights when in CD player 12 RDS –...
Page 54 XC-L77 Remote Control REMOTE LOCATOR & › AUX/CD-R SOUND DISPLAY TAPE TIMER/ ! — + ⁄ CHARACTER CANCEL STANDBY/ ON 9 & CANCEL – Press to stop playback (or 1 MENU – Press to access various features, including station memory naming, changing the recording) of the CD/MD/tape.
Page 55 XC-L77 8.2 SPECIFICATIONS Stereo CD Receiver: XC-L77 Compact Disc Player Section Amplifier Section Type ..... Compact disc digital audio system Continuous Power Satellite (RMS) ..30 W + 30 W Usable discs ........Compact discs (1 kHz, THD 10%, 8 Ω) Channels ............

Pioneer XC-L77 Service Manual

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Related Manuals for Pioneer XC-L77

Summary of Contents for Pioneer XC-L77

Table of Contents