JVC RC BM5 Diagram

SCHEMATIC DIAGRAMS
CD PORTABLE SYSTEM
RC-BM5
CD-ROM No.SML200302
Area suffix
RC-BM5
A ------------------------------- Australia US --------------------------- Singapore UJ -------------------------- U.S.Military
Contents
Block diagram Standard schematic diagrams Printed circuit boards
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
2-1 2-2 2-9~11
No.21132SCH
Feb. 2003
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.)
1-2

Block diagram

5
4
RC-BM5
3
2
1
AB CD E F G
2-1

Standard schematic diagrams

Main and volume switch sections
RC-BM5
RC-BM5
5
FROM Main section CN301
H402
4
FROM CD control section CN702
CN701
3
FROM Cassette section H602
Volume switch board
TO Tuner section H801
CN802
TO CD control section
TO CD door
TO Tuner section H801
CN804
Voltage chart
Q301
Q302
C1383
4.84 V
5.48 V
11.33 V
945
0 V
0.6 V 0 V
E B C
FROM Display section CN401
CN302
TO Volume switch section H402
CN301
Q303
945
0 V 0 V
4.8 V
ST24C01
CN803
H302
TO Power amplifier and power supply sections CN204
CN801
2
CN303
NJM7805FA
Voltage chart
IC801 : PT2314
PIN1
7.15 V
PIN16 PIN2 PIN3 PIN4 PIN5,6 PIN7 PIN8 - 11 PIN12 PIN13 - 15
0 V
3.49 V
3.48 V
3.49 V
3.5 V
3.48 V
3.5 V
3.48 V
PIN17,18
PIN19 - 22
PIN23
PIN24
PIN25
PIN26
PIN27
PIN28
3.49 V
3.48 V
3.49 V
3.48 V
3.48 V 0 V
4.2 V
4.25 V
3.49 V
1
Voltage chart
Q801 1383
E
7.6 V
8.26 V
B
12.73 V
C
Voltage chart
IC301 : MX10FLCDPC
PIN1
4.69 V
4.78 V
PIN2
4.68 V
PIN3 PIN4 PIN5 PIN6 PIN7 PIN8 PIN9 PIN10 PIN11 PIN12 PIN13,14 PIN15 PIN16 PIN17
0 V
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
PIN18 PIN19 PIN20 PIN21,22 PIN23 PIN24 PIN25 - 28 PIN29 PIN30 PIN31 PIN32 - 34 PIN35,36 PIN37 PIN38 PIN39 PIN40
2.53 V
2.26 V 0 V
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
Voltage chart
IC302 : ST24C01
PIN1 - 4 PIN5,6 PIN7 PIN8
0 V
4.91 V 0 V
4.96 V
IC505 : NJM7805FA
PIN1 PIN2 PIN3
8.4 V 0 V 5 V
RADIO SIGNAL
TAPE PB SIGNAL
TAPE REC SIGNAL
TO CD control section
TO CD control section
CD SIGNAL
MAIN SIGNAL
Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
FROM Power amplifier and power supply sections CN206
2-2
HAB C DE FG
CD control section
RC-BM5
Voltage chart
Q501
Q502
Q503
8050
FROM Main section
E B C
3.51 V
4.1 V
5.06 V
8050
3.32 V
3.99 V
5.06 V
5
945
0 V 0 V
3.51 V
Q701 1383
3.36 V
4.06 V
5.04 V
DRAM-4MB (256K x 16)
TDA7073/N4
Voltage chart
PIN1
4.83 V
PIN2,3 PIN4
1.25 V
PIN5 PIN6
4.83 V
PIN7 - 9
1.25 V
PIN10 PIN11,12
PIN1
0.01 V
0.12 V
PIN2,3
1.67V
PIN4
1.35 V
PIN5
1.44 V
PIN6
1.38 V
PIN7
IC701 : DRAM-4MB (256K x 16)
PIN13
2.8 V
1.25 V 0 V
1.65 V
1.48 V 0 V
4.83 V 0 V
1.35 V
1.37 V
1.35 V
1.5 V
1.52 V
PIN22 PIN23,24 PIN25 PIN26 PIN27 PIN28,29 PIN30 PIN31
PIN16 PIN17 PIN18 PIN19 PIN20 - 32
PIN14
1.3 V
PIN15 PIN16
1.2 V
PIN17 PIN18,19 PIN20
0.9 V
PIN21
0 V
IC702 : W27C020-70
PIN8,9 PIN10 PIN11,12 PIN13 PIN14 PIN15
1.5 V
1.8 V
1.5 V
1.25 V 0 V
2.7 V 0 V
1.25 V
0 V
0.9 V
1.6 V
1.2 V
PIN32 PIN33,34 PIN35 PIN36 PIN37,38 PIN39 PIN40
1.4 V
1.25 V 0 V
0.19 V
1.25 V
0.8 V 0 V
W27C020-70
TDA7073/N4
4
LS188C
TZA1024T
FROM Main section
SAA7324H/T/M2B
3
FROM Main section
Voltage chart
PIN1
2.7 V
1.69 V
PIN2
2.89 V
PIN3
1.3 V
PIN4 PIN5 PIN6 PIN7
2
TDA1308T/N1
Voltage chart
IC502 : TDA7073
PIN1 - 4 PIN5 PIN6,7 PIN8 PIN9 PIN10,11 PIN12 PIN13 PIN14,15 PIN16
1
IC503 : TDA7073
0 V
PIN1,2
8.5 V
PIN3,4
1.65 V
PIN5
0 V
PIN6,7 PIN8
1.2 V
PIN9
0 V
PIN10,11
4.26 V
PIN12
4.25 V
PIN13
0 V
PIN14,15
4.24 V
PIN16
IC504 : TZA1024T
1.65 V
PIN1
0 V
PIN2
8.56 V
PIN3
1.65 V
PIN4 PIN5
0 V
PIN6
4.18 V
PIN7
0 V
PIN8
4.22 V
PIN9
4.19 V
PIN10
0 V
PIN11,12
4.18 V
PIN13 PIN14
1.79 V
3.08 V
0.76 V
0.15 V
0.67 V 0 V
3.04 V
1.53 V
0.79 V
1.68 V 0 V
3.09 V 0 V
Voltage chart
PIN1
1.4 V
1.55 V
PIN2,3 PIN4
3.1 V
PIN5
1.23 V
PIN6
1.53 V
PIN7
1.52 V
PIN8
1.53 V
PIN9
1.52 V
PIN10 - 13 PIN14
0 V
0 V
PIN15 PIN16 PIN17 PIN18 - 20 PIN21 PIN22,23 PIN24 PIN25 PIN26 PIN27
IC501 : SAA7324H
1.54 V
PIN28
1.52 V
PIN29
3.1 V
PIN30,31
0 V
PIN32
3.1 V
PIN33
0 V
PIN34
3.16 V
PIN35 - 37
0 V
PIN38
1.64 V
PIN39
1.6 V
PIN40
1.58 V
1.6 V 0 V
0.03 V 0 V
3.15 V 0 V
3.11 V
4.72 V
4.7 V
PIN41 PIN42 PIN43 PIN44 - 46 PIN47 PIN48 - 50 PIN51 PIN52 PIN53 PIN54
0 V
4.6 V
3.72 V 0 V
1.83 V 0 V
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 0 V
0.6 V 0 V
3.7 V 0 V
3.15 V
3.03 V
CD SIGNAL
TDA1308T/N1
Voltage chart
PIN1 PIN2 PIN3
Parts are safety assurance parts. When replacing those parts make
CN702
TO Main section CN701
IC704 : TDA1308T
2.47 V
PIN4
1.93 V
PIN5 - 7
2.07 V
PIN8
0 V
1.92 V
4.81 V
PIN8 PIN9 PIN10 PIN11 PIN12 PIN13 PIN14 PIN15 PIN16 PIN17 PIN18 PIN19 PIN20 PIN21 PIN22 PIN23 PIN24 PIN25 PIN26 PIN27 PIN28 PIN29 PIN30 PIN31
1 V
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
sure to use the specified one.
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
IC703 : LS188C
PIN67
3.29 V
PIN68
3.26 V
PIN69
3.27 V
PIN70
3.2 V
PIN71
1.7 V
PIN72
1.43 V
PIN73
1.2 V
PIN74
1.4 V
PIN75
1.2 V
PIN76
1.1 V
PIN77
0 V
PIN78
0.01 V
PIN79
1.2 V
PIN80
1.2 V
PIN81
2.46 V
PIN82
1.75 V
PIN83
1.62 V
PIN84
1.65 V
PIN85
1.65 V
PIN86
0.34 V
PIN87
3.45 V
PIN88
3.53 V
PIN89
4.82 V
PIN90
0.01 V
PIN91
3.29 V
PIN92
0.01 V
PIN93
2.46 V
PIN94
1.15 V
PIN95
3.74 V
PIN96
0.01 V
PIN97
3.13 V
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 5 V 5 V 5 V
4.83 V
1.58 V
1.58 V
1.57 V 0 V
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 0 V
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 0 V
1.7 V
1.9 V 0 V
1.7 V
1.7 V
2.46 V
0.18 V
0.58 V
0.32 V
0.58 V
AB CD E F G
2-3
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