JVC RC-BZ5LB Service Manual page 54

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System control circuit (RC-BZ6BU only)
CN701
7 QGF1212F1-17
SW8V 17 8.3V
16 6.8V
CD+B
FCD 15 0.7V
14
AC/DC 2.1V
TAPE 13 5.7V
12
REC 0V
SAFETY 11 5.0V
REST 10 4.5V
9
MLD 5.1V R774
MDATA 8 4.8V R775
7
MCLK 5.0V R776
DG 6 0V
XRST 5 5.1V R777
4
STAT 0.1V R778
SQCK 3 5.1V R772
2
SUBQ 5.0V R779
DG 1 0V
6
5
CD DOOR SW
S866
FW701
2 2 0V
1 1 0V
4
VMW1474 D P8-22F23-A3.3NS
3
2
1
A
RC-BZ5LB/BZ5RD
TO D-1 on page 2-8
TO MAIN AMP SECTION
1
2 CN703
3
QGF1212F1-13
4
5
6
7
8
1K
1K 9
10
1K
1K 11
12
1K
1K 13
14
1K
CD+B
1
6
SAFETY
BCTL
5.1V
5.1V
2.6V
43
SEG23
2.6V
44
4.4V SEG24
2.6V 45
SEG25
2.6V 46
SEG26
2.6V
47
SEG27
2.6V
48
SEG28
2.6V
49
NC
2.6V
50
NC
2.6V 51
NC
AHB 19 R738 10K 0V 52
AHB
R735 10K 5.0V
POUT 20 53
POUT
SMUTE R745 22K 0V
24 54
SMUTE
4.7K 0V
R767 55
+BCTL
R768 0V
FTU 22 10K 56
FTU
R769 5.0V
VOLCLK 21 10K 57
VOLCK
VOLDATA 23 5.0V 58
VOLDATA
R737 10K
0V
59
KILL
5.0V
FCD 22K
2 R739 60
FCD
5.0V
MLD 8 R758 2.2K 61
MLD
5.0V
XRST 11 R761 2.2K 62
XRST
0V
63
BEAT
D704
1SS133-T2
TAPE 4
STAT
12
REC 5
16
TUST
R707
10K
AC/DC
L701 3AB39N
R719
100K
5.1V
Q704
AC/DC 3
DTC144EKA-X
0V
R708
RESET
10K
0V
Q706
DTC143TKA-X
C711 5.0V
10/16
0V + C712 +
2.2/50
0V
R706
D707
1SS133-T2 10K
K701
VQZ004B-009
B C D
RC-BZ6BU
ON
CLOCK
SLEEP REC
OFF
KHz MHz
TRACK STEREO
AHB PRO
ALL MONO
DI701
QLD0045-001
2.6V
21 30
SEG1
2.6V
20 29
SEG0
2.6V
R731
19 28
COM0 1K
2.5V
18 27
COM1
2.5V
17 26
COM2
2.5V
16 25 R733
R734
COM3
0V
100K 100K
15
VLCD3
1.7V
14
IC701 VLCD2
3.3V
13
MN171603JACA VLCD1
5.1V
12
AVDD VREF+
4.5V
R726 2.2K
11
CLOSE/REST
SYSTEM
5.0V
R725 2.2K
10
KEY1
CONTROLLER
0V
10K
9 R728
BUP
0V
8
MODEL
0V
7 R754 10K
MPX
5.1V
6 R724 2.2K
CD+B SAFETY
3.7V
R727 2.2K
5
SWBY SAFETY
3.5V
*
R785
4
VER
0V
3
AVSS VREF-
0V
R713 10K
2
JOG2
5.0V
1 R755 10K
JOG1
R789 *
C719
0.001
C720
R746 22K
0.001
R749 47K
C738 150P
R773
100P 10K
C717 C723
100P
C724
22P
SDATA
C718
SCK
27P
MDATA
C710
MCLK
0.01
SUBQ
SQCK
REST
X701
C703
C702
QAX0410-001Z
24P
24P
Q702
0V
0V
2SC2714/O/-X
CLOCK
R701 1K
0V
0V
R704
1K
Q701 0V 0V
C706
2SC2714/O/-X
0.001
E F
2-4
Digitized in Heiloo Netherlands
PL701
BACK LIGHT
FW703
1 2
1 2
FW702
CLOCK/METER
5.7V
4.9V
4.3V
4.3V
LCD HOLDER
R790
4.7K
0V
0V
R717
33K
BACK UP
R716
47K
0.6V
R732
100K
0V 0V
L702
3AB39N
R797
4.7K
R770 2.2K
R718
C732
10K
0.1
R710 100K
R715 33K
K702 VQZ0048-009
REMOCON
5.4V
3
OUT
5.4V 2
VCC
18 MPX 5.4V 1
GND
+
R756 R720
C727 POWER
C721 22K 100K
IC703
0.01 47/10 LED
GP1U281X
15
R863 10K
17
R862 10K
9
10
14
13
7
VMW2422 A
R789 NOTES: 1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER OR OSCILOSCOPE
LIST R785
E.B.EN 10K 22K WITHOUT INPUT SIGNAL
U.UP.US.UT.UX.UY.UZ 10K 8.2K CONDITION ----- CD STOP AT DC SUPLLY
10K 150K SOUND.FLAT AHB.ON
EE.EV
J.C ------- 2.2K 2. UNLESS OTHERWISE SPECIFIED,RESISTORS ARE 1/6W 5% CAPBON RESISTOR.
ALL RESISTANCE VALUES ARE IN OHM(s)
ALL CAPACITORS ARE CERAMIC CAPACITOR OR MYLAR CAPACITOR.
ALL CAPACITANCE VALUES ARE IN uF(p*pF).
PARTS NAME CONSTRUCTION ALL INDUCTANCE VALUES ARE IN uH(m*mH).
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF)/RATED VOLTAGE (V).
4.7K
DTC143TKA
DTC144EKA
47K
47K
G H I
11/28/2017
S858
UP/
R857
39K
S857
CD/
R856
12K
S856
STOP/PRESET
R855
6.8K
S855
TUNER/BAND
R854
3.9K
S854
DOWN/
R853
2.7K
S853
BASS
R852
S851--- S858
1.8K
S852
QSW0707-001Z
SOUND
R851
1.5K
S851
QSW0707-001Z
POWER
S865
D708
1SS133-T2
R858
5.6K
0.7V Q851
2SA1037AK/RS/-X
R859
18K 4.0V
JS801
0V
QSW0705-001
R860 R861
330 680
C801 C802
STANBY
0.01 0.01
LED
J