Amplifier Circuit (Rc-Bz5Lb/Bz5Rd Only) - JVC RC-BZ5LB Service Manual

Amplifier circuit (RC-BZ5LB/BZ5RD only)

7
6
5
ANTGND
GND
TUL
TUSW6V
TUR
C103 R107
TP301
22/16 82
R/P HEAD C104 R106
R/P SYSTEM
MS15R-AA2N1 0.039 39K
R104
2.3V 3.3K
R108 15K
1 1
R
2.3V
C101 0.001
2 2
4
2.3V
C155
C130
3 3
180P
220P
L
0V
4 4
GND
C102
C306 C303
0.0056
100/10 150P
MG E.HEAD
PH-K380-MS1-6A C202
C230
220P 0.0056
BIAS C201 0.001
C203 R208 15K
C255 C204
22/16
R207 82 180P 0.039
R204
C305 22/16 R206
39K 3.3K
NOTES
R303 4.7M
1. VOLTAGES ARE DC-MEASURED WITH A DEGITAL
VOLT METER OR OSCILLOSCOPE WITHOUT
INPUT SIGNAL.
3
2.8V C308
CONDITION--- CD STOP MODE AT DC SUPLLY R305 2.8V
1.8K (0V) (0V) 180P 0V
( )IS INVERT MODE SOUND FLAT AHB.ON
2. UNLESS ( )THEAWISE SPECIFIED.RESISTORS
ARE 1/6W 15% CARBON RESISTOR.
Q315
Q311
ALL RESISTANCE VALUCE ARE IN OHM(s)
2SC2001/LK/-T 2SC2458/YG/-T
ALL CAPACITORS ARE CERAMIC CAPACITOR OR
2.3V 2.3V
MYLAR CAPACITOR
R302 (3.1V)
ALL CAPACITANCE VALUES ARE IN uF(P=pF) (0.1V)
R306 10K
ALL INDUCTANCE VALUES ARE IN uH(m=mH)
1.8K
ALL E.CAPACITORS ARE SHOWN IN THE FORM 2.8V 2.3V C331
(0V) (3.1V) 0.001
OF CAPACITANCE (uF)/RATEO VOLTAGE (V)
ALL DIODES ARE 1SS133-T2
Q312 Q313
ALL NPN TRANSISTORS ARE 2SC2458/YG/-T
2SC2001/LK/-T 2SC2001/LK/-T
0V
(3.8V) R307 3.3K
R237 6.8K
CDR
GND
CDL
R137 6.8K
CD+B
2
MG
DG
17 8.3V
SW8V
CD+B 16 6.8V
15 0.7V
FCD
AC/DC 14 2.1V
13
TAPE 5.7V
REC 12 0V
SAFETY 11 5.0V
10
REST 4.6V
MLD 9 5.1V
8
MDATA 4.8V
MCLK 7 5.0V
6
DG 0V
XRST 5 5.1V
STAT 4 0.1V
3
SQCK 5.1V
SUBQ 2 5.0V
1
DG 0V
1
CN304
QGF1212C1-17
TO CD SECTION
TO J-6 on page 2-5
A B
R227
3.3K
C256
Q212 0.0082
R127
R131
3.3K
18K
Q112
R225 R233
R133
10K 1.8K 1.8K
C156
0.0082
Q111
R135 C157 R235 C257
R125 47K 0.15 47K 0.15
10K
R132
10K
C233
C133
47/10
47/10
TRE
C108 1/50
C208 1/50
C309 0.0018
IC301 TA2068N TAPE SW
2.0V
2.0V 12 13
MICNF MICIN R371
2.0V Q304
2.3V
10K
11 14 2SA1015/YG/-T
PBO2 RAIN2
2.3V 0V
R304
10 15 10K
PBNF2 TAPE
2.3V 2.0V 5.3V
9 16
REC2 CDIN2
0V
10K
8 17 R360
2.3V 5.3V (4.5V)
PBIN2 SEL
2.0V
0V
D307
7 18 C105
VSS OUT2
7.4V 3.3/50 R318 100
2.0V
6 19
VREF VCC
C304 47/10
2.3V 2.0V
5 20 C205
PBIN1 OUT1
2.3V 0V 3.3/50
4 21 R317 10K
REC1 P/R
2.3V 2.0V
22/16
3 22 C357
PBNF1 CDIN1
2.3V 0V
2 23
PBO1 MICSEL
0V 2.0V
C107 4.7/50
1 24
AGC RAIN1
C207 4.7/50
BIAS OSC R312 430
D917
R310 12K
6 1
5 2
C310 4 3
C315 0.0047
0.0018 8.1V R134
0V 3.9K
(2.3V)
T301
DH-812320 0V R311
(0.7V) 100 R234
3.9K
S303
SK-23E01-G9 0.7V
(0V)
R316
3.3K TP302
CN301 R356
0V
DGA2501C4-03 10K
(TIP-X03P-52)
BEAT CUT
C709
2200/5.3
CN303
QGF1212C1-12
TO TUNER SECTION
TO J-2 on page 2-6
TO U-COM
TO D-7 on page 2-3
C D E
VR302
DVQO121-A54
CN702
TIP-X05P-82
VMW2422
1 2 3 4 5
C232
R231 FW302
C122
0.47/50
18K
100/16
SMUTE DRIVE
C119
C114 4.7/50
0.47/50
C132 C214 4.7/50
0.47/50
D302
C219
DTA114ES-T
0.47/50
5.1V
5.2V
(5.5V) (0V) R124
2.2K
0V
3.1V R224
(5.3V) 2.2K
Q211
0.7V
0V
C350 (0V)
4.7/50 0.7V
0V
R232 (0V)
10K
Q201
0V
2SC2001/LK/-T
OR
KTC3203(DY)
BASS
5.3V 5.3V D914
SW8V REG
(0.7V)
Q316
2SA1015/YG/-T 8.3V 12.2V
4.6V (4.7V) (0.9V)
TU SWITCH
0V 5.9V 11.6V Q901 R901
(5.8V) (5.8V) (11.7V) 25B772/QP/ 4.7K
Q306 R321
5.6K
8550D 5.9V
(OR 8550C) (5.1V) D906 Q902
R332 2SC2458/YG/-T
10K
R320 7.5V
5.6K R903
(0.9V)
5.9V 100
5.9V C322 D905 (0.7V)
(0V) 1000P
0V D915
(2.8V)
R904
820
0V
C353 Q305
10/16 DTC114ESA-T
6.8V
CD REG
POWER SW US6V REG
(1.6V) 12.2V
Q906
B550D(OR 8550C) 12.2V
(0.7V)
R919 Q903
11.6V Q908 56K 8550D (OR 8550C)
12.2V
(11.7V) 2SB772/QP/
5.9V
R920
4.7K R906 11.5V
56K (12.2V)
Q909 11.5V
D910
6.0V R915 R907
(2.4V)
100 1K
D911 5.5V
(2.0V)
0.1V
(12.2V)
R909 0.7V
4.6V
1K (0V)
R916
Q907
820
0V Q911
0V
(2.0V) D995
0.7V
C912
(0V) 0.01
R913
5.6K
R908 C911
0V
3.3K 22/16
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
F G
T.S.D
STANDBY
POWER AMP
SW
+ +
BIAS CIRCUI
- -
IC302
LA4597K
C222
100/16
D303
R223
100
C124 C224
0.1 0.1
R221 C221 C121 R121
82 220P 220P 82
R123
100
R122 R222 C220 C319 C320 C120 GND 0V
2.2 2.2 100/16 10/25 220/16 100/16
0.4V
R
0V
GND
L 0.4V
R917 D912
22 IN4001
0V
12.2V
2.1V
FW301
(TID-X03P-M1)
CN306 TTL25L-003
R902
56K
J9
T9 *
R914
4.7
3A/250V
12.1V
R910 CN308
100K QG42501C4-06
R911
D918 (TIP-X06P-82)
4.7K
0V
GND
Q904
1 1
5.7V
R912
PLAY
1K
2 2
5.2V 0V
GND
3 3
8.3V
SW8V
4 4
Q310 4.5V
DTA143ES-T US6V
5 5
2.9V 2.9V 0V
(0V) (4V) REC
C354
R373 6 6
100 220/10
2.9V
C909
(0V)
R328
4.7/50
10K
0V(3.5V)
Q318 Q309
DTA143ES-T
0.7V
(0V)
0V (4.5V)
0V
Q308
0V
DTC143ES-T
VMW1474 A
J / C
RADIO MAIN SIGNAL TAPE PB SIGNAL
CD SIGNAL TAPE REC SIGNAL
H I
RC-BZ5LB/BZ5RD
RC-BZ6BU
HP JACK
J301
HSJ2000-01-010
1 1
R-CH
2 2
3 3
L-CH
4 4
SPEAKER
LE10010-005A
VMK1474 C
3
1 1
2
2 2
1
3 3
DC 12 V
POWER CORD
LEAF SW
PLAY
REC SW
LEAF SW
J
2-7