6
5
4
3
2
1
B
C
D
E
F
G
H
I
J
A
7
RC-BZ5LB/BZ5RD
RC-BZ6BU
2-8
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
RADIO MAIN SIGNAL
CD SIGNAL
TAPE PB SIGNAL
TAPE REC SIGNAL
REF
1
LCHIN
2
SIMIN1
3
SIMOUT1
4
BASS1
5
TRE1
6
LCHOUT
7
OGND
8
SDA
9
SCL
10
RESET
11
OVDD
12
AGND
13
RCHOUT
14
TRE2
15
BASS2
16
SIMOUT2
17
SIMIN2
18
RCMTH
19
VCC
20
IC303
M62420SP-700
1
2
3
GND
4
5
6
7
VCC
8
4.0V
4.0V
4.0V
4.0V
4.0V
0V
8.0V
4.0V
+
+
-
-
IC304
BA15218N OR NJM455OL
1
2
3
4
5
6
7
8
9
10
11
12
13
T.S.D
STANDBY
SW
BIAS CIRCUI
-
-
+
+
IC302
LA4597K
J301
HSJ2000-01-010
R319
100
R201
3K
R236
2.7K
R202
1K
R322
100K
R103
1.8K
R116
1K
R329
4.7K
R330
4.7K
R101
3
K
R136
2.7K
R102
1K
R331
100
R308
5.6K
R309
5.6K
R203
1.8K
R216
1
K
C213
0.022
C212
0.47
C234
0.0056
C324
0.001
C210
0.082
C209
0.082
C211
0.0068
C111
0.0068
C113
0.022
C112
0.47
C134
0.0056
C325
100/10
C217
1/50
C321
100/10
C117
1/50
C115
0.1/50
C323
100/10
C215
0.1/50
C110
0.082
C109
0.082
R210
1.8K
R110
1.8K
R209
1.8K
R109
1.8K
R211
5.6K
R111
5.6K
R212
220K
R112
220K
Q203
2SC3330/ST/-T
Q103
2SC3330/ST/-T
R323
2.2K
R113
220K
R213
220K
R214
15K
R114
15K
R117
10K
R217
10K
C214
22/16
C114
22/16
C327
100/10
C325
100/10
ZD302
UZ4.3858-T2
D304
D305
1SS133-T2
C350
4.7/50
D302
DTA114ES-T
Q201
2SC2001/LK/-T
Q101
2SC2001/LK/-T
R315
100
C122
100/16
C222
100/16
C225
22/16
C223
2200/16
C123
2200/16
C125
22/16
C120
100/16
C320
220/16
C319
10/25
C220
100/16
C318
6800/25
C224
0.1
C124
0.1
C119
0.47/50
C219
0.47/50
R122
2.2
R222
2.2
D303
R121
82
R221
82
R123
100
R223
100
C121
220P
C221
220P
R220
18K
R120
18K
1
2
3
4
CN309
QGA2501C4-04
R-CH
L-CH
1
2
3
4
LE10010-005A
D912
IN4001
R917
22
R224
2.2K
R124
2.2K
R119
100K
R219
100K
C329
0.1/50
C328
1/50
R374
100K
R327
6.8K
D301
C330
4.7/50
C208
1/50
C108
1/50
C103
22/16
C306
47/10
C203
22/16
C207
4.7/50
C357
22/16
C304
47/10
C305
22/16
C104
0.039
C101
0.001
C155
180P
C303
150P
C130
220P
C331
0.001
C308
180P
C230
220P
C201
0.001
C102
0.0056
C204
0.039
R107
82
R104
3.3K
R106
82K
R108
15K
R207
82
R206
82K
R204
3.3K
R208
15K
R317
10K
R318
100
R304
10K
C309
0.0018
R360
10K
R371
10K
C107
4.7/50
1
2
3
4
CN301
DGA2501C4-04
1
2
3
4
R/P HEAD
RC-889
R361
470K
AGC
1
PBO1
2
PBNF1
3
REC1
4
PBIN1
5
VREF
6
VSS
7
PBIN2
8
REC2
9
PBNF2
10
PBO2
11
MICNF
12
RAIN1
24
MICSEL
23
CDIN2
16
CDIN1
22
SEL
17
P/R
21
OUT1
20
VCC
19
OUT2
18
TAPE
15
RAIN2
14
MICIN
13
IC301
TA2068N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
CN304
QGF1212C1-17
8.3V
6.8V
0.7V
2.1V
5.7V
0V
5.0V
4.6V
5.1V
4.8V
5.0V
5.1V
0.1V
5.1V
5.0V
0V
0V
SW8V
CD+B
FCD
AC/DC
TAPE
REC
SAFETY
REST
MLD
MDATA
MCLK
DG
XRST
STAT
SQCK
SUBQ
DG
0.9V
0V
0V
1.1V
5.0V
0V
5.0V
0V
5.1V
3.1V
5.9V
1
2
3
4
5
6
7
8
9
10
11
12
13
CN303
QGF1212C1-13
0V
0V
AHB
SDATA
TUST
SCK
MPX
POUT
VOLCK
FTU
VOLDATA
DG
BUC
SMUTE
US6V
C202
0.0056
C255
180P
Q304
2SA1015/YG/-T
R303
4.7M
Q311
2SC2001/LK/-T
Q312
2SC2001/LK/-T
Q313
2SC2001/LK/-T
Q315
2SC2458/YG/-T
Q303
2SC2458/YG/-T
Q317
2SC2458/YG/-T
R305
1.8K
R306
1.8K
R302
10K
R307
3.3K
R316
3.3K
R313
12
R372
3.3K
R311
100
R310
12K
R134
3.9K
C310
0.0018
1
2
3
4
5
6
T301
DH-812320
C315
0.0047
C312
0.0068
R234
3.9K
R312
330
S303
SK-23E01-G9
C313
47/10
1
2
3
CN301
DGA2501C4-03
R237
6.8K
R137
6.8K
D917
D307
R356
10K
C709
2200/5.3
Q316
2SA1015/YG/-T
Q306
8550D
Q901
2SB772/QP/
Q908
2SB772/QP/
Q906
B550D(OR 8550C)
Q903
8550D (OR 8550C)
Q902
2SC2458/YG/-T
Q907
Q904
Q909
Q911
Q305
DTC114ESA-T
D914
D915
D906
D905
D910
D911
D907
D995
D908
D909
ZD904
MTZJ5.6B
ZD903
MTZJ6.2B
R321
5.6K
R332
10K
R901
4.7K
R903
100
R902
56K
R904
820
R910
100K
R914
4.7
R912
1K
R911
4.7K
R913
5.6K
R909
1K
R908
3.3K
R907
1K
R906
56K
R919
56K
R920
4.7K
R915
100
R916
820
C322
1000P
C905
0.01
C906
0.01
C913
0.01
C912
0.01
C908
0.01
ZD905
MTZJ7.5C
C353
10/16
C914
220/10
C916
47/10
C911
22/16
C909
4.7/50
C910
220/10
R922
10K
C915
100/10
1
2
3
FW301
1
2
3
(TID-X03P-M1)
Q318
DTA143ES-T
Q310
DTA143ES-T
Q308
DTC143ES-T
Q309
R328
10K
R373
100
C354
220/10
1
2
3
4
5
6
1
2
3
4
5
6
CN308
QG42501C4-06
D918
REC SW
LEAF SW
LEAF SW
M
-
+
1
2
3
CN306
TTL25L-003
1
2
3
FW905
1
2
3
1
2
3
CN307
5268-03A
C902
0.022
C904
0.022
C901
0.022
C903
0.022
D903
IN5401-TNC
D902
IN5401-TN
D901
IN5401-TN
D904
IN5401-TN
R999
330
POWER CODE
J9
*
F902
*
F903
R320
5.6K
ANTGND
GND
TUL
TUSW6V
TUR
TO TUNER SECTION
TO J-2 on page 2-6
4.1V
4.1V
4.1V
4.1V
4.1V
4.1V
4.1V
0V
5.0V
5.0V
5.2V
5.2V
0V
4.1V
4.1V
4.1V
4.1V
4.1V
4.1V
7.5V
VOL TONE
BASS BOOST
0V
0V
0V
0V
0V
0V(0.6V)
5.2V
(5.5V)
5.1V(0V)
3.1V (5.3V)
OR
KTC3203(DY)
0V
0V
0.7V
(0V)
(0V)
0.7V
0V
0V
11.1V
6.1V
0V
5.1V
11.1V
12.2V
1.2V
0V
12.0V
0V
12.2V
0V
1.2V
POWER AMP
HP JACK
GND
R
GND
L
0V
0.4V
0V
0.4V
(TXLP-04P-M1)
SPEAKER
R
L
(TIP-X04P-82)
2.3V
2.3V
2.3V
0V
GND
MG E.HEAD
EM-1636
BIAS
BEAT 1 75K
BEAT 2 72.5K
BEAT 3 75K
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DEGITAL
VOLT METER OR OSCILLOSCOPE WITHOUT
CONDITION--- CD STOP MODE AT DC SUPLLY
( )IS INVERT MODE SOUND FLAT AHB.ON
2. UNLESS OTHERWISE SPECIFIED.RESISTORS
ARE 1/6W 15% CARBON RESISTOR.
ALL RESISTANCE VALUCE ARE IN OHM(s)
ALL CAPACITORS ARE CERAMIC CAPACITOR OR
MYLAR CAPACITOR
ALL CAPACITANCE VALUES ARE IN uF(P=pF)
ALL INDUCTANCE VALUES ARE IN uH(m=mH)
INPUT SIGNAL.
ALL E.CAPACITORS ARE SHOWN IN THE FORM
OF CAPACITANCE (uF)/RATEO VOLTAGE (V)
ALL DIODES ARE 1SS133-T2
ALL NPN TRANSISTORS ARE 2SC2458/YG/-T
TP301
2.0V
2.3V
2.3V
2.3V
2.3V
0V
2.0V
2.3V
2.3V
2.3V
2.3V
0V
2.0V
0V
2.0V
0V
2.0V
7.4V
2.0V
0V
2.0V
0V
2.0V
2.0V
BIAS OSC
2.8V
(0V)
2.8V
(0V)
2.3V
0V
0V
2.3V
(3.1V)
0V
2.3V
(3.1V)
(0.1V)
2.8V
(0V)
(3.8V)
8.1V
(2.3V)
0V
(0.7V)
0V
(0.2V)
0.7V
(0V)
0V
(TIP-X03P-52)
TO CD SECTION
TO G-1 on page 2-5
TO U-COM
TO A-7 on page 2-4
CDR
GND
CDL
CD+B
MG
DG
TO CD SECTION
TO J-6 on page 2-5
DG
SUBQ
SQCK
STAT
XRST
DG
MCLK
MDATA
MLD
PEST
SAFETY
MPX
SCK
TUST
SDATA
TO TUNER SECTION
TO J-2 on page 2-6
TO U-COM
TO D-7 on page 2-4
5.3V
5.3V
5.3V
(0.7V)
4.6V (4.7V)
0V (5.2V)
5.3V (4.5V)
0V
(5.8V)
5.9V
5.9V
(5.1V)
(OR 8550C)
(5.8V)
TAPE SW
R/P SYSTEM
TU SWITCH
5.9V
(0V)
0V
(2.8V)
0V
SW8V REG
6.3V
12.2V
11.6V
7.5V
5.9V
CD REG
6.8V
(1.6V)
12.2V
11.6V
(11.7V)
6.0V
(2.4V)
(2.0V)
5.5V
0V
0V
0.7V
(0V)
(2.0V)
POWER SW
12.2V
12.2V
(0.7V)
11.5V
(12.2V)
0.7V
(0V)
0.1V
(12.2V)
0V
US6V REG
5.9V
12.1V
11.5V
5.2V
4.6V
L901
QQL25CK-330Z
0V
0V
(4.5V)
0.7V
(0V)
0V
0V(3.5V)
2.9V
(0V)
2.9V
(0V)
2.9V
(4.0V)
GND
PLAY
GND
SW8V
US6V
REC
0V
5.7V
0V
8.3V
4.5V
0V
(TIP-X06P-82)
PLAY
AC/DC
G
VCC
VMK1474 C
DC 12 V
3A/250V
VMW1474 A
T9
*
(0.6V)
SMUTE DRIVE
(0V)
(0V)
(0V)
(0V)
2.1V
0V
12.2V
VOLDATA
VOLCK
BEAT CUT
TP302
(0V)
(0.9V)
(11.7V)
(0.6V)
(0.7V)
FR
(0V)
(0V)
(0V)
(0V)
3A/250V
3.3M
R998
J / C
Amplifier circuit (RC-BZ6BU only)