JVC RC-BM5 Service Manual page 42

Standard schematic diagrams
Main section
5
4
To F-2
on page 2-3
CN701
3
To G-4 and G-5
on page 2-5
CN803
2
Voltage chart
IC801 : PT2314
PIN1 PIN16
7.15 V
PIN2 PIN17,18
0 V
PIN3 PIN19 - 22
3.49 V
PIN4 PIN23
3.48 V
PIN5,6 PIN24
3.49 V
PIN7 PIN25
3.5 V
PIN8 - 11 PIN26
3.48 V
PIN12 PIN27
3.5 V
PIN13 - 15 PIN28
3.48 V
1
A
( To G-3 on page 2-4 )
TO TUNER PCB H801
FROM MAIN PCB CN301
CN802
To G-3
on page 2-2
Voltage chart
Q801
1383
3.49 V
E 7.6 V
3.48 V
B 8.26 V
3.49 V
C 12.73 V
3.48 V
3.48 V
0 V
4.2 V
4.25 V
3.49 V
B C
RC-BM5 RC-BM5
Voltage chart Voltage chart
IC301 : MX10F IC302 : ST24C01 IC505 : NJM7805
PIN1 PIN18 PIN1 - 4 0 V PIN1 8.4 V To G-3
4.69 V 2.53 V
on page 2-3
PIN2 PIN19 PIN5,6 4.91 V PIN2 0 V
4.78 V 2.26 V
PIN3 PIN20 PIN7 0 V PIN3 5 V
4.68 V 0 V
PIN4 PIN21,22 PIN8 4.96 V
0 V 0.01 V
PIN5 PIN23
0.01 V 0.17 V
PIN6 PIN24
0.17 V 4.93 V
PIN7 PIN25 - 28
4.92 V 4.91 V
PIN8 PIN29
4.91 V 4.92 V
PIN9 PIN30
0.04 V 1.67 V
PIN10 PIN31
0.01 V 4.97 V
PIN11 4.93 V PIN32 - 34 0.09 V
PIN12 4.36 V PIN35,36 0.01 V
PIN13,14 4.93 V PIN37 1.13 V
PIN15 4.81 V PIN38 0.02 V
PIN16 0.38 V PIN39 0.05 V
RADIO SIGNAL
PIN17 0.01 V PIN40 4.93 V
TAPE PB SIGNAL
TAPE REC SIGNAL
D E
2-2
TO TUNER PCB H801
( To G-3 on page 2-4 )
CN804
Voltage chart
Q301 Q302 Q303
C1383 945 945
E
4.84 V 0 V 0 V
B
5.48 V 0.6 V 0 V
C
11.33 V 0 V 4.8 V
FROM DISPLAY PCB CN401
To B-1 and B-2
on page 2-6
CN302
CN301
To G-3
on page 2-3
To C-4
on page 2-2
CN801
To B-5
on page 2-7
To B-4 and B-5
on page 2-7
CN303
TO AMP PCB CN206
To D-5
on page 2-3
CD SIGNAL Parts are safety assurance parts.
When replacing those parts make
MAIN SIGNAL
sure to use the specified one.
F G H