Cd Amplifire Circuit - JVC RC-BZ5LB Service Manual

CD amplifire circuit

7
6
PICKUP ASS'Y
OPTIMA-7B
HQ100008
5 HDU-100
1 10
2 9
3 8
C001
4 7
1 1
2.4V
1 A
2 2 2.4V
5 6
B
3 3 2.4V
F
4 4
C
5 5 2.4V D
D
6 6
5.0V
K
7 7 2.4V E
E
8 8 0V
MD
9 9 0.8V
R615
2K VR001 LD
10 10 0V R616
VR
11 11 0V
G
12 12
3.1V
F+
13 13
3.1V
T+
14 14
3.1V
4 T-
15 15 3.1V
F-
FOCUS COIL
TRACKING COIL
3
SPINDLE
6 3.1V
5 4.6V
4 3.1V
3 3.1V
2 0V
2 1 3.1V
FEED
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER.
2.UNLESS OTHERWISE SPECIFIED,RESISTORS ARE 1/6W +/-5%
CARBON RESISTOR.
1 ALL RESISTANCE VALUES ARE IN OHM( )
ALL CAPACITORS ARE CERAMIC CAPACITOR OR MYLAR CAPACITOR.
ALL CAPACITANCE VALUES ARE IN uF(P=pF).
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE
(uF)/RATED VOLTAGE (V).
A B
R605 270K
R606 150K
R610
R612
R609
150K 1K
100K
F
E C623
C617
C620
0.022
C618
180P
C606 C607
0.0022
0.001 0.001
D
470K
A R697
RF&SERVO AMP
C613
330P
A
F
12
91
F+
T+
T-
F-
C628 0.047
R614 C605 C629 100/10
R613
120 10 10/25
R641
R642
R643
R644
C631
470/10
C696 C699
100P 100P
TAB
FM+
SM-
TAB
SM+
FM-
R631 R633
330 27K C697
C698 100P
100P
R645
R696
R646
R632
2.2K
100 C632
5.0V 100/10
L602
6.8V
100uH
Q631 2SA952/LK/-T
C640 OR 2SB8698/EF/-T R647
0.0082
C D
TBAL
FBAL
FE
TE
0.1
RFENV
TRCRS
VDET
C653
0.022 C694
150P
TRV 21
TRV
C604 2.4V
100/10 TVD 22
TVD
2.4V
23
PC
5.0V
ECM 24
ECM
2.4V
ECS 25
ECS
2.3V
KICK 26
KICK
IC603
2.4V
TRD 27
TRD
2.4V
MN35510
FOD 28
FOD
2.4V
29
VREF
2.4V
DIGITAL SERVO
FBAL 30
FBAL
2.4V
TBAL 31
TBAL
DIGITAL SIGNAL
2.5V
FE 32
FE
PROCESSOR
2.4V
TE 33
TE
2.4V
RFENV 34
RFENV
0.0V
TP601
(GND) VDET 35
VDET
0.0V
OFT 36
OFT
0.0V
TRCRS 37
TRCRS
4.8V
RFDET 38
RFDET
4.8V
BDO 39
BDO
0.0V
LDON 40
LDON
0.0V
ARF
K601
QQR0779-001Z
56K KICK C661 470P
12K TRD
8.2K TVD
22K
TRV
TP602
(ARF)
C676
0.001
L601 10uH
22K ECM
ECS
2.2K
FOD
4.7K
TO MAIN SECTION
TO A-2 on page 2-7 or 2-8
E F G
C691 150P
C692 150P
C655
C693 150P
0.047
80
SSEL
5.0V
79
MSEL
0.0V
78 C675
PSEL
0.0V 0.001
77
CSEL
0.0V
76
RSEL
5.0V
75
OUTR
2.5V
74
AVSS1
0.0V
73
OUTL
2.5V
72
AVDD1
4.9V
71
TEST
5.0V
&
70
IOSEL
5.0V C674
0.022
69
RESY
0.0V
68
DEMPH
0.0V
C673 220/10
67
CRC
0.0V
66
CLVS
0.0V
65
FLAG
0.2V
64
IPFLAG
2.5V
63
FCLK
0.0V
62
CLDCK
5.0V
61
BYTCK
4.7V
C651
22P
R659
270
C652
22P
C671 C672
0.0022 0.0022
K602
QQR0779-001Z
CD SIGNAL
H I
RC-BZ5LB/BZ5RD
RC-BZ6BU
DG
SUBQ
SQCK
STAT
XRST
DG
MCLK
MDATA
MLD
REST
SAFETY
J
2-5