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RC-BM5
SCHEMATIC DIAGRAMS
CD PORTABLE SYSTEM
RC-BM5
CD-ROM No.SML200210
Area suffix J ----------------------------- U.S.A. C -------------------------- Canada
Contents
Block diagram Standard schematic diagrams Printed circuit boards 2-1 2-2 2-8
11
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
No.21129SCH Oct. 2002
RC-BM5
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.)
2-8
RC-BM5
Block diagram
5
4
3
2
1
A
B
C
D
E
F
G
2-1
RC-BM5
RC-BM5
Standard schematic diagrams
Main section
( To G-3 on page 2-4 )
TO TUNER PCB H801
5
FROM MAIN PCB CN301 CN802
TO TUNER PCB H801
( To G-3 on page 2-4 )
CN804
Voltage chart
To G-3 on page 2-2
Q301 C1383 E B C
4.84 V 5.48 V 11.33 V
Q302 945
0V 0.6 V 0V
Q303 945
0V 0V 4.8 V
4
FROM DISPLAY PCB CN401
To F-2 on page 2-3 To B-1 and B-2 on page 2-6
CN701
CN302
3
To G-3 on page 2-3 To G-4 and G-5 on page 2-5
CN301
To C-4 on page 2-2
CN803 CN801
To B-5 on page 2-7
2
To B-4 and B-5 on page 2-7
CN303
Voltage chart IC801 : PT2314
PIN1 PIN2 PIN3 PIN4 PIN5,6 PIN7 PIN8 - 11 PIN12 PIN13 - 15
7.15 V 0V 3.49 V 3.48 V 3.49 V 3.5 V 3.48 V 3.5 V 3.48 V
Voltage chart
3.49 V 3.48 V 3.49 V 3.48 V 3.48 V 0V 4.2 V 4.25 V 3.49 V
PIN16 PIN17,18 PIN19 - 22 PIN23 PIN24 PIN25 PIN26 PIN27 PIN28
Q801 1383 E B C
7.6 V 8.26 V 12.73 V
Voltage chart IC301 : MX10F
PIN1 PIN2 PIN3 PIN4 PIN5 PIN6 PIN7 PIN8 PIN9 PIN10 PIN11 PIN12 PIN13,14 PIN15 PIN16 PIN17
4.69 V 4.78 V 4.68 V 0V 0.01 V 0.17 V 4.92 V 4.91 V 0.04 V 0.01 V 4.93 V 4.36 V 4.93 V 4.81 V 0.38 V 0.01 V
Voltage chart IC302 : ST24C01 IC505 : NJM7805
2.53 V 2.26 V 0V 0.01 V 0.17 V 4.93 V 4.91 V 4.92 V 1.67 V 4.97 V 0.09 V 0.01 V 1.13 V 0.02 V 0.05 V 4.93 V
TO AMP PCB CN206
1
PIN18 PIN19 PIN20 PIN21,22 PIN23 PIN24 PIN25 - 28 PIN29 PIN30 PIN31 PIN32 - 34 PIN35,36 PIN37 PIN38 PIN39 PIN40
PIN1 - 4 PIN5,6 PIN7 PIN8
0V 4.91 V 0V 4.96 V
PIN1 PIN2 PIN3
8.4 V 0V 5V
To G-3 on page 2-3
To D-5 on page 2-3
RADIO SIGNAL TAPE PB SIGNAL TAPE REC SIGNAL
CD SIGNAL MAIN SIGNAL
Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
A
B
C
2-2
D
E
F
G
H
RC-BM5
CD control section
Voltage chart
To F-1 on page 2-2
Voltage chart
Q502 8050
3.32 V 3.99 V 5.06 V
Q501 8050 E B C
3.51 V 4.1 V 5.06 V
Q503 945
0V 0V 3.51 V
Q701 1383
3.36 V 4.06 V 5.04 V
IC701 : 4C256K
PIN1 PIN2,3 PIN4 PIN5 PIN6 PIN7 - 9 PIN10 PIN11,12 PIN1 PIN2,3 PIN4 PIN5 PIN6 PIN7
4.83 V 1.3 V 1.25 V 1.2 V 4.83 V 1.25 V 0.9 V 0V 0.01 V 0.12 V 1.67V 1.35 V 1.44 V 1.38 V
5
PIN13 PIN14 PIN15 PIN16 PIN17 PIN18,19 PIN20 PIN21 PIN8,9 PIN10 PIN11,12 PIN13 PIN14 PIN15
2.8 V 1.25 V 0V 1.65 V 1.48 V 0V 4.83 V 0V
PIN22 PIN23,24 PIN25 PIN26 PIN27 PIN28,29 PIN30 PIN31
1.5 V 1.8 V 1.5 V 1.25 V 0V 2.7 V 0V 1.25 V 0V 0.9 V 1.6 V 1.2 V
PIN32 PIN33,34 PIN35 PIN36 PIN37,38 PIN39 PIN40
1.4 V 1.25 V 0V 0.19 V 1.25 V 0.8 V 0V
IC702 : 27C020
1.35 V PIN16 1.37 V PIN17 1.35 V PIN18
PIN19
1.5 V PIN20 - 32 1.52 V
4
To F-3 on page 2-2
3
(To E-1 on page 2-2)
Voltage chart IC703 : LS188
PIN1 PIN2 PIN3 PIN4 PIN5 PIN6 PIN7 PIN8 PIN9 PIN10 PIN11 PIN12 PIN13 PIN14 PIN15 PIN16 PIN17 PIN18 PIN19 PIN20 PIN21 PIN22 PIN23 PIN24 PIN25 PIN26 PIN27 PIN28 PIN29 PIN30 PIN31
2.7 V 1.69 V 2.89 V 1.3 V 1V 1.2 V 1.23 V 0.9 V 1.5 V 1.5 V 1.4 V 1.3 V 1.3 V 1.3 V 1.4 V 3.29 V 1.35 V 1.35 V 0.01 V 1.4 V 1.35 V 1.65 V 0.12 V 0.13 V 0.01 V 4.47 V 4.4 V 0.01 V 1.54 V 3.29 V 0.01 V
2
CN702
Voltage chart IC502 : TDA7073 IC503 : TDA7073 IC504 : TZA1024
PIN1 - 4 PIN5 PIN6,7 PIN8 PIN9 PIN10,11 PIN12 PIN13 PIN14,15 PIN16
0V 8.5 V 1.65 V 0V 1.2 V 0V 4.26 V 4.25 V 0V 4.24 V
PIN1,2 PIN3,4 PIN5 PIN6,7 PIN8 PIN9 PIN10,11 PIN12 PIN13 PIN14,15 PIN16
1.65 V 0V 8.56 V 1.65 V 0V 4.18 V 0V 4.22 V 4.19 V 0V 4.18 V
PIN1 PIN2 PIN3 PIN4 PIN5 PIN6 PIN7 PIN8 PIN9 PIN10 PIN11,12 PIN13 PIN14
1.79 V 3.08 V 0.76 V 0.15 V 0.67 V 0V 3.04 V 1.53 V 0.79 V 1.68 V 0V 3.09 V 0V
To A-4 on page 2-2
Voltage chart IC501 : SAA7324
PIN1 PIN2,3 PIN4 PIN5 PIN6 PIN7 PIN8 PIN9 PIN10 - 13 PIN14
1.4 V 1.55 V 0V 3.1 V 1.23 V 1.53 V 1.52 V 1.53 V 1.52 V 0V
PIN15 PIN16 PIN17 PIN18 - 20 PIN21 PIN22,23 PIN24 PIN25 PIN26 PIN27
1.54 V 1.52 V 3.1 V 0V 3.1 V 0V 3.16 V 0V 1.64 V 1.6 V
PIN28 PIN29 PIN30,31 PIN32 PIN33 PIN34 PIN35 - 37 PIN38 PIN39 PIN40
1.58 V 1.6 V 0V 0.03 V 0V 3.15 V 0V 3.11 V 4.72 V 4.7 V
PIN41 PIN42 PIN43 PIN44 - 46 PIN47 PIN48 - 50 PIN51 PIN52 PIN53 PIN54
0V 4.6 V 3.72 V 0V 1.83 V 0V 1.6 V 3.17 V 0.3 V 1.56 V
PIN55 PIN56 PIN57 PIN58 PIN59 PIN60 PIN61 PIN62 PIN63 PIN64
1.7 V 1.6 V 3.16 V 0V 0.6 V 0V 3.7 V 0V 3.15 V 3.03 V
Voltage chart IC704 : 1308D
PIN1 PIN2 PIN3
2.47 V 1.93 V 2.07 V
PIN4 PIN5 - 7 PIN8
0V 1.92 V 4.81 V
PIN32 PIN33 PIN34 PIN35 PIN36 PIN37 PIN38 PIN39 PIN40 PIN41 PIN42 PIN43 PIN44 PIN45 PIN46 PIN47 PIN48 PIN49 PIN50 PIN51 PIN52 PIN53 PIN54 PIN55 PIN56 PIN57 - 61 PIN62 PIN63 PIN64 PIN65 PIN66
3.29 V 3.26 V 3.27 V 3.2 V 1.7 V 1.43 V 1.2 V 1.4 V 1.2 V 1.1 V 0V 0.01 V 1.2 V 1.2 V 2.46 V 1.75 V 1.62 V 1.65 V 1.65 V 0.34 V 3.45 V 3.53 V 4.82 V 0.01 V 3.29 V 0.01 V 2.46 V 1.15 V 3.74 V 0.01 V 3.13 V
PIN67 PIN68 PIN69 PIN70 PIN71 PIN72 PIN73 PIN74 PIN75 PIN76 PIN77 PIN78 PIN79 PIN80 PIN81 PIN82 PIN83 PIN84 PIN85 PIN86 PIN87 PIN88 PIN89 PIN90 PIN91 PIN92 PIN93 PIN94 PIN95 PIN96 PIN97
4.82 V 3.17 V 3.17 V 4.65 V 3.2 V 4.7 V 4.7 V 4.7 V 0.01 V 0.03 V 5V 5V 5V 4.83 V 1.58 V 1.58 V 1.57 V 0V 1.4 V 1.2 V 1.5 V 0.7 V 3.29 V 1.2 V 1.16 V 0.01 V 1.34 V 1.2 V 1.1 V 0.7 V 0.7 V
PIN98 PIN99 PIN100 PIN101 PIN102 PIN103 PIN104 PIN105 PIN106 PIN107 PIN108 PIN109 PIN110 PIN111 PIN112 PIN113 PIN114 PIN115 PIN116 PIN117 PIN118 PIN119 PIN120 PIN121 PIN122 PIN123 PIN124 PIN125 PIN126 PIN127 PIN128
1.4 V 0.01 V 2.5 V 0.6 V 1.3 V 1.1 V 1.1 V 0V 2.8 V 2.82 V 3.3 V 2.5 V 3.27 V 2.5 V 1.4 V 1.6 V 1.7 V 1.4 V 1.6 V 1.6 V 0V 1.7 V 1.9 V 0V 1.7 V 1.7 V 2.46 V 0.18 V 0.58 V 0.32 V 0.58 V
1
CD SIGNAL
Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
A
B
C
D
E
F
G
2-3
RC-BM5
RC-BM5
Tuner section
Voltage chart
Q106 557B Q107 547B
4.83 V 0.5 V 0V
Q108 547B
4.86 V 0V 0V
Q109 547B
0V 0V 0.5 V
5
E B C
0V 5.44 V 4.82 V
4
FROM MAIN PCB CN802/CN804
To F-5 on page 2-2
3
To C-5 on page 2-2
Voltage chart
Q102 2SA733P E B C
6.34 V 5.49 V 6.31 V
Q103 2SC945
0V 0V 0V
2
Voltage chart IC101 : TEA5757
PIN1 PIN2 - 6 PIN7 PIN8 PIN9 PIN10 PIN11 PIN12
2.05 V 0V 3.52 V 4.15 V 0.97 V 0.64 V 1.21 V 0.78 V
PIN13 PIN14 PIN15 PIN16 PIN17 PIN18 PIN19,20 PIN21
0.71 V 0.6 V 0.64 V 0.9 V 0V 1V 1.11 V 1.75 V
PIN22 PIN23 PIN24 PIN25 PIN26 PIN27 PIN28 PIN29
12.2 V 4.82 V 0.15 V 1.34 V 0V 4.79 V 0.24 V 0.23 V
PIN30,31 PIN32 PIN33 PIN34 PIN35 PIN36 PIN37 PIN38
0V 1.37 V 0.69 V 1.37 V 0.64 V 1.37 V 0.54 V 1.27 V
PIN39 PIN40,41 PIN42 PIN43 PIN44
0.99 V 1.27 V 0V 0.75 V 0.21 V
AM SIGNAL FM SIGNAL RADIO SIGNAL
Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
1
A
B
C
2-4
D
E
F
G
H
RC-BM5 Cassette section
5
TO MAIN PCB CN803
To A-2 and A-3 on page 2-2
4
CON61 CN601
Voltage chart IC601 : AN7312
PIN1 - 3 PIN4 PIN5 PIN6 PIN7,8 PIN9 PIN10 PIN11 PIN12 PIN13 PIN14
0V 3.41 V 1.35 V 1.24 V 0.01 V 1.24 V 1.35 V 3.4 V 0V 6.78 V 6.82 V
3
CN603
CN602
2
CN604
Voltage chart
Q601 945 E B C
0V 0V 0V
Q602 945
0V 0V 0V
Q603 945
0V 0.6 V 0V
Q604 945
0V 7.6 V 7.65 V
Q605 945
0V 0V 0V
TAPE PB SIGNAL TAPE REC SIGNAL
1
A
B
C
D
E
F
G
2-5
RC-BM5
Display section
RC-BM5
5
4
Voltage chart IC401 : PT6553
PIN1 PIN2 - 6 PIN7 PIN8 PIN9 PIN10 PIN11 - 13 PIN14 PIN15 PIN16 - 21 PIN22 PIN23 - 26 PIN1,2 PIN3
2.4 V 2.41 V 2.4 V 2.45 V 2.41 V 2.45 V 2.41 V 2.45 V 0V 2.41 V 2.42 V 2.41 V 4.6 V 0V
3
PIN27 PIN28 - 45 PIN46 - 49 PIN50 - 55 PIN56 PIN57 PIN58,59 PIN60 PIN61 PIN62 PIN63 PIN64
2.45 V 2.41 V 4.87 V 0V 4.87 V 2.31 V 0V 3.89 V 4.85 V 0V 4.83 V 0V
IC402 : RPM6938
FROM MAIN PCB CN302
LE401
2
( To G-3 and G-4 on page 2-2 )
CN401
1
A
B
C
2-6
D
E
F
G
H
RC-BM5
Power amplifier and power supply section
FROM MAIN PCB CN801
CN204
5
( To G-2 on page 2-2 )
CN206
( To G-2 on page 2-2 )
4
FROM MAIN PCB CN303
CN203 CN205 CN202
CN201
Voltage chart IC201 : BA5417
PIN1 - 3 PIN4 PIN5 PIN6 PIN7,8 PIN9 PIN10 - 15
0V 14.75 V 4.77 V 14.18 V 0V 7.99 V 0V
3
Voltage chart
Q201 8050D E B C
0V 0V 0V
Q202 8050D
0V 0V 0V
Q203 2SC945
0.6 V 0V 2.87 V
Q204 928
1.4 V 13.8 V 13.4 V
Q205 1913
13.52 V 12.5 V 0V
Q206 8050D
0V 13.8 V 12.5 V
Q207 2SC945
13.2 V 13.9 V 13.8 V
2
MAIN SIGNAL
Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
1
A
B
C
D
E
F
G
2-7
RC-BM5
RC-BM5
Printed circuit boards
Main board
Reverse side
5
4
3
2
1
A
B
C
2-8
D
E
F
G
H
RC-BM5
Tuner board
Reverse side
5
4
3
Cassette board
Reverse side
2
1
A
B
C
2-9
RC-BM5
Display board
Reverse side
5
4
Power amplifier board
Reverse side
3
2
1
2-10
A
B
C
D
RC-BM5
Volume switch board
Reverse side
5
4
3
Phone jack board
Reverse side
2
1
A
B
C
2-11
RC-BM5
VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,maebashi-city,371-8543,Japan
No.21129SCH
200210