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SERVICE MANUAL
SERVICE MANUAL
2006
12
MB593
RC-EZ35SB,RC-EZ35SE,
RC-EZ35SEN,RC-EZ35SEV,
RC-EZ31BB,RC-EZ31BE,
RC-EZ31BEN,RC-EZ31BEV
COPYRIGHT © 2006 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
CD PORTABLE SYSTEM
SERVICE POLICY
No service part is available for this model.
Exchange only.
TABLE OF CONTENTS
COPYRIGHT © 2006 Victor Company of Japan, Limited
No.MB593
2006/12
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Table of Contents
Related Manuals for JVC RC-EZ35SB
Summary of Contents for JVC RC-EZ35SB
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Page 1: Table Of Contents
SERVICE MANUAL CD PORTABLE SYSTEM MB593 2006 SERVICE MANUAL RC-EZ35SB,RC-EZ35SE, RC-EZ35SEN,RC-EZ35SEV, RC-EZ31BB,RC-EZ31BE, RC-EZ31BEN,RC-EZ31BEV SERVICE POLICY No service part is available for this model. Exchange only. COPYRIGHT © 2006 Victor Company of Japan, Limited Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION. - Page 2 SPECIFICATION RC-EZ35 Compact disc player section Type Compact disc player Signal detection Non-contact optical pick-up (semicondicator lazer) Number of channels 2 channels Radio section Frequency ranges FM 87.5 MHz - 108.0 MHz AM 522 kHz - 1 629 kHz Antennas Telescopic antenna for FM Ferrite core antenna for AM Cassette deck section...
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Page 3: Precaution
SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across... - Page 4 Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.
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Page 5: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB593)1-5... -
Page 6: Disassembly
SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the Rear cabinet assembly (See Fig.1 to 4) (1) Remove the four screws A and five screws B attaching the Rear cabinet assembly. (See Fig.1) CN102 CN101 (2) Disconnect the Rod antenna wire from post pin of the Tun- er board assembly. - Page 7 3.1.2 Removing the Top cabinet assembly (See Fig.5, 6) (1) Disconnect the connector wire from Cassette mechanism assembly connected to connector CN205 of the Amplifier CN205 board assembly. (See Fig.5) (2) Disconnect the connector wire from speaker connected to CN301 connector CN301 of the Amplifier board assembly.
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Page 8: See Fig.
3.1.4 Removing the Amplifier board assembly (See Fig.8, 9) (1) Disconnect the card wire from LCD board assembly con- nected to connector CN701 of the Amplifier board assem- CN701 CN906 Amplifier board bly. (See Fig.8) assembly (2) Disconnect the connector wire from Amplifier board as- sembly connected to connector CN901 of the CD servo... -
Page 9: Ground Wire Fig
3.1.5 Removing the Headphone jack board assembly (See Fig.10) (1) Remove the solder the grand wire from LCD board assem- bly soldered to Headphone jack board assembly.) Solder point CN707 (2) Remove the one screw F attaching the Headphone jack board assembly.) (3) Disconnect the connector wire from Function board assem- bly connected to connector... -
Page 10: No.mb593)1
3.1.7 Removing the Function board assembly (See Fig.12) (1) Disconnect the card wire from LCD board assembly con- nected to connector CN103 of the Function board assem- bly. (2) Remove the four screws H attaching the Function board assembly. CN103 Fig.12 3.1.8 Removing the Power switch board assembly (See Fig.13) -
Page 11: Adjustment
3.1.9 Removing the LCD board assembly (See Fig.14) (1) Remove the two screws K attaching the LCD board assem- bly. Fig.14 3.1.10 Removing the CD mechanism assembly (See Fig.15) (1) Removing the four screws L attaching the CD mechanism assembly. Fig.15 SECTION 4 ADJUSTMENT... - Page 12 < M E M O >...
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Page 13: Troubleshooting
SECTION 5 TROUBLESHOOTING 5.1 BLOCK DIAGRAM 5.1.1 Block diagram for RC-EZ35 FM ANT. FM RF FM OSC PLAY OUT IC501 IC101 IC201 IC102 REC IN FUNCTION SELECT FM F/E, IF/DET/MPX R/P AMP EQ/BASS/VOL CONTROL AM ANT. AM RF/IF/DET R/P HEAD AM OSC BIAS OSC TA SW. - Page 14 5.1.2 Block diagram for RC-EZ31 R/P HEAD FM ANT. FM RF FM OSC. IC201 IC101 FM F/E, IF/DET/MPX AM RF/IF/DET. AM ANT TU-5V AM OSC REG. L SPEAKER IC501 IC301 POWER AMP. SIGNAL SELECT SW. R SPEAKER DISC IC901 IC902 CASS MOTOR TU SW.
- Page 15 5.2 STANDARD SCHEMATIC DIAGRAMS for RC-EZ35 5.2.1 Primary and Amplifier section CN906 C405 L SPEAKER C310 R309 330U 0.1M C302 ZD404 Q412 100U CW301 9014 C306 C313 CN301 100U R409 R410 C307 C312 Q404 R406 100U 1000U CN710 Q301 R419 9014 Q403 470 1 / 4W...
- Page 16 5.2.2 Front section TRACK FOLDER REPEAT RANDOM PROGRAM INTRO SLEEP LCD701 STEREO ROCK JAZZ CLASSIC S[1: 34] CN708 CN707 TO TUNER BOARD CN102 TO BEAT CUT BOARD CN711 COM01 COM1 VSS2 COM02 COM2 VDD2 B[ 01:06] COM03 COM3 B[01:06] COM04 COM4 CN703 P_ PCON(0 ,CM)
- Page 17 5.2.3 CD servo section + - C936 R942 4.7UF C935 R943 4.7UF C932 C938 C937 C926 C934 C933 C931 R936 C929 330UF R934 X901 C928 C939 16.9344MHz C940 C927 R901 EFMIN LRSY C945 C901 RFOUT DATACK C902 R947 DATA 100K CN902 PHLPF TEST1...
- Page 18 5.2.4 Cassette mechanism section IC201 BA3308 C259 C258 C205 100P SW201 - 1 - A SW201 - D - A 100P C216 R203 R201 R202 C227 L / CH. 470K Q201 L / CH L / CH R204 R / CH R / CH 9014 AC / B...
- Page 19 5.2.5 Tuner section FMVT: L=1.8+ - / 0.1V H=7. 2+ - / 0. 5V(ALL) C138 R127 AMVT: L=1.4+ - / 0.1V H=7. 2+ - / 0. 5V(XE / UK) Q107 L=1.0+ - / 0.1V H=7. 2+ - / 0. 5V(CA / KR / AU) 9018H R143 FM-ANT...
- Page 20 5.3 STANDARD SCHEMATIC DIAGRAMS for RC-EZ31 1. DISCONNECT POWER CORD BEFORE SERVING 5.3.1 Primary and Amplifier section 2. RECOMMEND THE UNIT BE OPERATED BY DC 12V VOLTS DURING TROUBLE SHOOTING 3. COMPONENTS MARKED WITH HAVE CRITICAL CHARACTERISTICS.ONLY REPLACE WITH THE COMPONENT OF THE SAME TYPE NEMBER.
- Page 21 5.3.2 Front sction LCD701 SW706 REPEAT SW704 SW705 F.F SW701 MEMORY SW703 STOP SW702 F.B REM701 Q702 9014 2.7K 2.7K 18PINS CN701 TO CN203 CN702 2-21...
- Page 22 5.3.3 CD servo section CLOSE C950 C938 SW902 CW904 D901 IN4148 CN904 C936 C918 CD DOOR SW C930 100U C949 C928 C951 C953 100P Q904 C934 C935 R907 C960 100U 2SA1342 220U 104p D902 IN4148 R946 C940 R956 C932 CN902 C919 47U + C942 220U...
- Page 23 5.3.4 Cassette mechanism section 1. DISCONNECT POWER CORD BEFORE SERVING L/CH. IC201 2. RECOMMEND THE UNIT BE OPERATED BY DC 12V L/CH. BA3308 C202 VOLTS DURING TROUBLE SHOOTING AGND 102M C262 C261 3. COMPONENTS MARKED WITH HAVE CRITICAL R/CH C205 AC/B CHARACTERISICS.
- Page 24 5.3.5 Tuner section R109 C111M Q101 T103 1010 120P C118 SW101 R106 MONO SW102B AM ANT 120T:15T IC101 2111A CF103 10.7M C123 FM ANT 473P C121 CF102 B / C C109 10.7MHZ R116 R103 102P C117 2-24...
- Page 25 < M E M O >...
- Page 26 Victor company of Japn, Limited Audio/Video Systems category 10-1,1chome,Ohwatari-machi,Maebashi-city,Gumma-ken, 371-8543,Japan (No.MB593) Printed in Japan...