Amplifier Circuit (Rc-Bz6Bu Only) - JVC RC-BZ5LB Service Manual

Amplifier circuit (RC-BZ6BU only)

7
6
5
ANTGND
GND
TUR
TUL
TUSW6V
C103 R107
TP301
22/16 82
R/P HEAD C104 R106
R/P SYSTEM
RC-889 0.039 82K
R104
2.3V 3.3K
R108 15K
1 1
R 2.3V
C101 0.001
2 2
4
2.3V
C155
3 3 C130
180P
220P
L
0V
4 4
GND
C102
C306 C303
0.0056
47/10
150P
MG E.HEAD
EM-1636 C202
C230
220P 0.0056
BIAS C201 0.001
C203 R208 15K
C255 C204
BEAT 1 75K 22/16
R207 0.039
BEAT 2 72.5K 82 180P
BEAT 3 75K
R206 R204
C305 22/16
3.3K
82K
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
180P
1.8K (0V) (0V) 0V
( )IS INVERT MODE SOUND FLAT AHB.ON
2. UNLESS OTHERWISE SPECIFIED.RESISTORS
ARE 1/6W 15% CARBON RESISTOR.
Q315
ALL RESISTANCE VALUCE ARE IN OHM(s) Q311
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 2.8V 2.3V C331
ALL E.CAPACITORS ARE SHOWN IN THE FORM
(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
SW8V 17 8.3V
16
CD+B 6.8V
FCD 15 0.7V
AC/DC 14 2.1V
13
TAPE 5.7V
REC 12 0V
11
SAFETY 5.0V
REST 10 4.6V
MLD 9 5.1V
8
MDATA 4.8V
MCLK 7 5.0V
6
DG 0V
XRST 5 5.1V
4
STAT 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
RC-BZ5LB/BZ5RD
RC-BZ6BU
BASS BOOST
C217
1/50
R202
1K
C215 C325 C234
0.1/50 100/10 0.0056
C213
R319 C212
0.022 0.47
100
R201
R322
3K
100K
VOL TONE
C115
0.1/50
C113 C112
0.022 0.47
R116
C111
1K 0.0068
C134
C117 R102
0.0056
1/50 1K
C208 1/50
C108 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
0V
2.3V
R304
10 15 10K
PBNF2 TAPE
2.3V 2.0V 5.3V
9 16
REC2 CDIN2
0V
10K
8 17 R360 5.3V (4.5V)
2.3V
PBIN2 SEL
2.0V
0V
7 18 D917
VSS OUT2
7.4V R318 100
2.0V
6 19
VREF VCC
C304 47/10
2.3V 2.0V
5 20
PBIN1 OUT1
0V
2.3V
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
1 24 C107 4.7/50
AGC RAIN1
C207 4.7/50
BIAS OSC
R312 330
D307
6 1 R310 12K
5 2
C310 4 3
0.0018 8.1V C315 0.0047 R134
0V 3.9K
(2.3V)
T301
0V R311
DH-812320
(0.7V) 100 R234
3.9K
S303
SK-23E01-G9 0.7V
R316 (0V)
3.3K
TP302
CN301 R356
0V
DGA2501C4-03 10K
(TIP-X03P-52)
BEAT CUT
C709
2200/5.3
CN303
QGF1212C1-13
TO TUNER SECTION
TO J-2 on page 2-6 TO U-COM
TO D-7 on page 2-4
C D E
2-8
+ +
-
-
IC304
BA15218N OR NJM455OL
C210 C209
0.082 0.082
C110 C109
R315
0.082 0.082
100
C122
100/16
SMUTE DRIVE
R210
R110
1.8K 1.8K
R109 1.8K C119
R117 10K
0.47/50
R217
R209 1.8K 10K
D302
DTA114ES-T C219
5.1V(0V)
R211 R111
0.47/50
5.6K 5.6K
R124
2.2K 0V
(0V)
3.1V (5.3V) R224
0V
2.2K
0V
0.7V
C350 (0V) (0V)
0V
4.7/50
0.7V 0V
(0V) (0V)
0V
Q201
0V
2SC2001/LK/-T
OR (0V)
0V
R212 R112 KTC3203(DY)
220K 220K
D301
D304
C330 C328 R374 R327 C329
4.7/50 1/50 100K 6.8K 0.1/50
D914
5.3V 5.3V
SW8V REG
(0.7V)
Q316
2SA1015/YG/-T 6.3V 12.2V
4.6V (4.7V) (0.9V)
TU SWITCH
0V 5.9V 11.6V Q901 R901
(11.7V)
(5.8V) (5.8V) 2SB772/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
(0.6V)
5.9V 100
5.9V C322 D905 (0.7V)
(0V) 1000P
0V D915
(2.8V)
R904
820
0V (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/
R920 5.9V
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 (0V)
(2.0V) D995
0.7V C912
(0V) 0.01
R913
5.6K
0V R908 C911
3.3K 22/16
(0V)
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
R 0.4V
0V
GND
0.4V
L
R220 18K
R120 18K
R917 D912
22 IN4001
0V
12.2V
2.1V
FW301
(TID-X03P-M1)
CN306 TTL25L-003
R902
56K
J9
T9 *
R914
4.7
VMW1474 A
12.1V
R910 CN308
R911 100K QG42501C4-06
D918 (TIP-X06P-82)
4.7K
0V
GND
Q904
1 1
5.7V
R912
PLAY
1K
5.2V 2 2
0V
GND
3 3
8.3V
SW8V
4 4
Q310 4.5V
DTA143ES-T 2.9V US6V
5 5
(4.0V)
2.9V 0V
(0V) REC
R373 C354 6 6
100 220/10
2.9V
C909
(0V)
4.7/50 R328
10K
0V(3.5V)
Q318 Q309
DTA143ES-T
0.7V
(0V)
0V 0V (4.5V)
(0V)
0V Q308
(0V)
DTC143ES-T
J / C
RADIO MAIN SIGNAL TAPE PB SIGNAL
CD SIGNAL TAPE REC SIGNAL
H I
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 CODE
LEAF SW
PLAY
REC SW
LEAF SW
J