JVC RC-BZ5LB Service Manual page 56

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Tuner circuit
7
IC1
IC2
IC1
IC2
BP1 QQR0768-001Z
6
L12
QQR0756-001
5
4
3
C62
2
C63
1
A
RC-BZ5LB/BZ5RD
PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12
FM NO SIGNAL 0.8 0 0.7 1.1 5.0 5.0 5.0 0 3.6 5.0 1.6 1.5
FM 60dB STEREO 0.8 0 0.7 1.9 5.0 5.0 4.0 0 3.6 5.0 1.6 1.5
AM NO SIGNAL 0 0 0.3 1.3 5.0 5.0 5.0 0 4.1 4.3 1.6 1.5
FM NO SIGNAL 2.4 0 0 5.0 5.0 5.0 3.6 3.6 0.1 0.1 0.1 0
PIN NO. 13 14 15 16 17 18 19 20 21 22 23 24
FM NO SIGNAL 4.4 3.6 3.6 1.5 1.4 3.6 4.0 5.0 5.0 5.0 5.0 5.0
FM 60dB STEREO 4.4 3.6 3.6 1.4 1.6 3.6 4.0 5.0 5.0 5.0 5.0 5.0
AM NO SIGNAL 4.5 0 0 1.4 1.4 3.6 4.1 5.0 5.0 5.0 5.0 5.0
FM NO SIGNAL 3.6 0.1 0 2.5 5.0 1.0 1.0 0.8 0 2.3
C6
0.01
D1.2 SVC203SPA-JVKV1370N
D1 D2
C7
0.001 R3 27
C3
3.9P
R2
R1
R7 100K 47K R9
4.7K
100K
C13
0.022
C77
0.001
R54 C71
2.2K 10/16
R56 3.3K
R57
C69
0.0022
R55
C60 C61
2.2K
0.001 C70
100/10
2.2/50
R52
C65
10K 0.001 R44
2.2K
CH
C64
12P
PLL
CH
12P
R61 R59
1K
1K
0.001
R42 47K R60 1K
L10
QQL231K-4R7Y
B C D
RC-BZ6BU
PP
C22
C23
430P
12P
R13
100K L4
QQR0723-001
(MW OSC)
CC
C21
0.047
R20
22K
R47
22
R48
1K
C16
0.01
C32
0.01
R63
47K
1K
C37
R30
0.001
18K
(FM IF)
C35
0.1/50
(FM IF)
E F
2-6
Digitized in Heiloo Netherlands
NOTES
1. VOLTAGES OF THE TABLE ARE DC-MEASURED WITH A DIGITAL VOLT METER.
2. ALL RESISTORS ARE 1/6W +/-5% CARBON RESISTOR.
3.ALL RESISTANCE VALUES ARE IN OHM
4. ALL CAPACITANCE VALUES ARE IN uF(P=pF).
5. ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE (uF)/RATED VOLTAGE(V).
6. ALL INDUCTANCE VALUES ARE IN uH(m=mH).
7. SI.DIODES( ) ARE ALL 1SS133T
R18
1K
R37
56
R25
C45
1K Q1 C51
C44
2SC2668/0/-T
330P
0.1/50 1/50
C31
R32
0.001
R24
3.3K
680
C43
0.1/50
C41
4.7/50
FM RF/IF/EDT/MPX AM RF/IF/DET
C47
C36 0.015
4.7/50
CC
CC
C42
0.047
C48
C33
0.015
100/10
R49
T2(AM IF)
18K
QAX0540-001
R33
330
C50
R38
0.1/50
100
R50
18K
C38
0.01
ZD1
MTZJ3.08
D12
IN4001
AM SIGNAL
J/C/B/E/EN/U/UP/US/UT/UX/UY/UZ
FM SIGNAL
RADIO MAIN SIGNAL
G H
11/28/2017
CC
R35
27K
R36
27K
C49
0.1/50
ANT GND
GND
TUR
TUL
TUSW6V
MPX
SDATA
SCK
TUST
I J