JVC RC-BX30 Guida per l'amministratore
No.21171SCH
Dec. 2002
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
SCHEMATIC DIAGRAMS
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
2-1
2-2
2-8 11
CD-ROM No.SML200212
RC-BX30
RC-BX30
Area suffix
UJ --------------------- U.S.Military
CD PORTABLE SYSTEM
RC-BX30
2-6
In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)
RC-BX30
2-1
AB CD E F G
1
2
3
4
5
17
16
IC101 LA1824
2
4
124
5 7 10
T102
T101
CF101
11
CF102
CN101
Tuner board
L103
L1
ROD. ANT.
IC201 AN7312
811
4
X
S
N
SW201A
ERASE
HEAD
L-CH
R/P
HEAD
CN201
7
CN203
Cassette board
SW201D
6 2
711
CD player
CN302 CN501
CN401
CN301
Main board
SW201B
FM.
SW
Block diagram
MW
FM RF/IF/MPX
AM RF/IF/DET
R/P SYSTEM
IC401 TA8227P
POWER AMP.
RC-BX30
2-2
RC-BX30
HAB C DE FG
1
2
3
4
5
Parts are safety assurance parts.
When replacing those parts, make
sure to use the specified one.
RADIO SIGNAL
TAPE PB SIGNAL
CD SIGNAL
TAPE REC SIGNAL
MAIN SIGNAL
From
Cassette board
CN203
From
Tuner board
CN101
Main board
From
CD module
To
Cassette board
CN204
0V
0.59V
5.68V
11.02V
10.6V
0V
0V
0.59V
5.7V
11.1V
10.7V
6.03V
2.27V
1.5V
0.93V
2.3V
1.5V
0.93V
9.13V
4.04V
3.38V 10.5V3.38V
3.9V
11.1V9.12V
10.6V
11.1V6.16V
6.76V
Standard schematic diagrams
Main section
RC-BX30
2-3
AB CD E F G
1
2
3
4
5
FM SIGNAL
MW/SW SIGNAL
RADIO SIGNAL
To
Main board
CN301
1.28V
1.28V
5.43V
5.44V
5.44V
0V
5.44V
0V
0V
1.28V
1.28V
0.5V
0V
0V
5.44V
5.44V
5.44V
0.36V
1.26V
1.42V
1.4V
0.59V
3.64V
5.44V
0.7V
3.13V
1.4V
0V
0V
0V
5.44V
4.78V 5.4V
4.8V
5.4V 5.4V
5.4V
0V
5.4V
Tuner section
RC-BX30
2-4
RC-BX30
HAB C DE FG
1
2
3
4
5
Parts are safety assurance parts.
When replacing those parts, make
sure to use the specified one.
TAPE PB SIGNAL
TAPE REC SIGNAL
To
Main board
CN302
To
Main board
CN303
0V
0V
0V
2.67V
1.38V
1.26V
0V
5.15V
5.11V
0V
2.6V
1.38V
1.26V
0V
5.71V
6.08V
6.1V
0V
5.9V
6.1V
0V
0V
0V
0V
0V
0V
Cassette section
RC-BX30
2-5
AB CD E F G
1
2
3
4
5
CD SIGNAL
Display & Key board
To Main board
From CD module
Micro switch board
0.07V
0.4V
0.012V
0.18V
0.012V
3.03V
0.019V
0.5V
0.012V
0.012V
0.012V
5.0V
Display & Key section
RC-BX30
2-6
RC-BX30
HAB C DE FG
1
2
3
4
5
Printed circuit boards
Main board Tuner board
RC-BX30
2-7
AB C
1
2
3
4
5
Cassette board
RC-BX30
2-8
AB CD
1
2
3
4
5
Micro switch boardDisplay board
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