Jvc RCEZ 35 SB Service Manual
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Extracted text from Jvc RCEZ 35 SB Service Manual (Ocr-read)
Page 1
JVB
SERVICE MANUAL
CD PORTABLE SYSTEM
RC-EZ35SB,RC-EZ35SE,
RC-E235SEN,RC-EZ35SEV,
RC-EZ31 BB,RC-EZ31 BE,
RC-EZ31BEN,RC-E231BEV
SERVICE POLICY
No service part is available for this model.
Exchange only.
@D§@ {um-5% [Em
Lead free solder used in the board (material : Sn-Ag-Cu, melting point: 219 Centigrade)
TABLE OF CONTENTS
1 PRECAUTION ......................................................................... 1-3
2 SPECIFIC SERVICE INSTRUCTIONS ...................................................... 1-5
3 DISASSEMBLY ....................................................................... 1-6
4 ADJUSTMENT ....................................................................... 1-11
5 TROUBLESHOOTING ................................................................. 1-12
COPYRIGHT © 2006 Victor Company of Japan, Limited No_MB§93
2006/12
Page 2
RC-EZ35
SPECIFICATION
Compact disc player section
Type
Compact disc player
Signal detection
Non-contact optical pick-up (semicondicator Iazer)
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 Track 4-track 2-channel stereo
Motor Electronic governor DC motor for capstan
Heads Hard permalloy head for recording/playback, magnetic head for erase
Fast wind time
Approx. 120 sec. (C-60 cassette)
General Speaker 10 cm X 2 (4 S2, 3 W)
Power output 4 W (2 W + 2 W) at 4 Q (10% THD) (IE0268-3)
Output terminals PHONES x 1 ((3 3.5 mm, stereo)
Power supply AC 230 V , 50 Hz
DC 12 V ("R20/D (13F)" cells x 8)
Power consumption 17 W (at operation)
1.5 W (at standby)
Dimentions 435 mm (W) X 156 mm (H) X 241 mm (D)
Mass Approx. 2.8 kg (without batteries)
RC-EZ31
Compact disc player section Type Compact disc player
Signal detection
Non-contact optical pick-up (semicondicator Iazer)
Number of channels
2 channels
Radio section
Frequency ranges
FM 88 MHZ - 108.0 MHZ
AM 530 kHZ - 1 600 kHZ
Antennas Telescopic antenna for FM
Ferrite core antenna for AM
Cassette deck section Track 4-track 2-channel stereo
Motor Electronic governor DC motor for capstan
Heads Hard permalloy head for recording/playback, magnetic head for erase
Fast wind time
Approx. 120 sec. (C-60 cassette)
General
Speaker
10cm><2(4$2,3W)
Power output
4 w (2 w + 2 W) at 4 o (10% THD) (IEczes-a)
Output terminals
PHONES x1 ((3 3.5 mm, stereo)
Power supply
Ac 230 v , 50 Hz
DC 12 v ("RZO/D (13F)" cells X a)
Power consumption
13 W (at operation)
15 W (at standby)
Dimentions
435 mm (W) x 156 mm (H) x 241 mm (D)
Mass
Approx. 2.8 kg (without batteries)
Design and specifications are subject to change without notice.
1-2 (NoMBSQS)
Page 13
SECTION 5
TROUBLESHOOTING
5.1 BLOCK DIAGRAM
5.1.1 Block diagram for RC-EZ35
FM ANT. FM RF FM 030
3r 3 PLAY OUT 3 3
17-» BPF-b IC101 |C102 30501 3 "3201 3
FM F/E, IF/DET/MPX - -) FUNCTION SELECT REC IN 3 RF AMP 3
AM ANT AM RFHF/DET PLL EQIBASS/VOL CONTROL 3 3
S? -T A T A A 3 RIP HEAD 3
AM 030 3 +sv 3
BIAS OSC
+8V H TU SW. 3 3 TA SW-
A 3 3
F0 3 + 3
3 o: 3
=0 3 O: - 3
RESET 3 TAPE MOTOR 3
CD DOOR SW 3 DECK sw 3
v :fl
L SPEAKER BOX
I I + -> Leo
3 3 IC301
I0901 3 } '0701 KEY > POWER AM P.
RF + D-SERVO + 3 MCU
MP3 DECODER+1M DRAM 3
T 3 t 3 {- RIO :fl
3 3 P'CON R SPEAKER BOX
SPINDLEAMOTOR3 30902 3
+ 3 SERVO DRIVER { ° 3 0411 RECTIFIER
SLED MOTOR 3 I +8V Q401 POWER I _
3 0902 3 D2061 SW. a i
Page 18
5.2.4 Cassette mechanism section
10201
BA3308 2 @ <0 <1- m m ,\ 00 ®
0259
.- 0201 .3258
sw201-1-A sw201- D -A 100P N 100P
7 7 100
fl 0 7 W 07216
4 5 6 R201 R202 R203
r 47K ' W
1 eeeeeeeeeeee g E gig i o-/\/\,-o W 47K
1 O N N g 0227
L/CH. 1 N o F + 470K 201
L/CH 1 L/CH EL 1-. V *v\ Q
9 1 1 7 R822; §<3r N +
9 GND 2 1 GND * T 7F 8&5
-0 O
2 1 + 9014
2%) AC/B 4 1 4 AC/B sw201-1-B SW201-5-A g g g 1-' «a x
D: § N
1 7 7 g 3 C208 1:: N W m o
RICH cw2011 CN201 07 N o 222M L 7, a o 77(3226
15 O F <91 v m - ,, 7P
j 1 10 11 12 13 14 a a: a 3
7 O -
J § 3 47 I
Q g 8K2 m ' N E
O) O F N
a x 3 g E§R L 8 9 mi
0: m & Lo '1 8 g 7 Ki
C211 1 1222M g to 8 00 W 0
1 1 0217 g %
7P
C C C C
sw201- 6- A L210 1-6333M a
0-0 0*
1 2 3
0801 T801 R801 100
3630 4 O O
11 c1304 Q1302 16 17 18 MUTELO o
:L 1 223M 0806 O m Beat Cuts
1 1 w 3 g a g a fi 0
m2 E F. o: F n: ._ SW201-5-B Mic Rec. 3
8 11 fl 0
03 Rec.R In 7 O
+ + R o 16 CN202
3% D 10K g (0 8 3 g g a x U O
V 8N $8 of m 8 3 n: e g 5. GND 5 O
8 ON
0: +sv 4 0
C260
223 Rece L In3 0
L Out
2 o
SYNC 1
0
TO MAIN 301011305
24 8 - STDS13- 108 0203 0202
i BIAS =80 KHZ 9014 9014
2-18