RD-T70RBU/RD-T50RLB
SCHEMATIC DIAGRAMS
CD PORTABLE SYSTEM
RD-T70RBU
RD-T50RLB
CD-ROM No.SML200207
[RD-T70RBU Only]
Comparison table
Item RD-T50RLB RD-T70RBU
AHB Not used Used
Back light (LCD) Not used Used
Remorte control Not used Used
Area suffix
B ------------------------------- U.K.
E ----------- Continental Europe
EN ------------ Northern Europe
EV -------------- Eastern Europe
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
2-1
2-2
2-7, 8
No.21107SCH
Jul. 2002
RD-T70RBU/RD-T50RLB
In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)
Block diagram
5
FM antenna
FM pig tail
LC2
BPF
L17
AM ANT.
IC5
FM/AM DET.
IC4
PLL
For RDS model only
TU R/L
CD R/L
RD-T70RBU/RD-T50RLB
Volume boardMain board
IC301
E.volume
CN310
L16
MW OSC
4
CD mechanism
REST
switch
Spindle
motor
Feed
motor
M
M
CN705
CD
3
pick up
Key 2 board
CN701
IC703
Spindle/Feed
BTL driver
IC702
RF
&
Servo amplifier
IC701
Digital servo
&
Digital signal
processor
Q16
IC6
RDS/RBDS decoder
IC801
SYSTEM
MICOM
RD-T50R only
Q303
Q304
SMUTE
drive
IC704
CD door
motor
driver
IC802
REG.
Q307 - Q311
/Tuner switch
IC302
Power
amplifier
Q305
Power/CD
Control
AHB board
CN402
Headphone
HP301
Speaker
R-channel
CN301
CN708
CN708
Door switch board
IC401
amplifier
L-channel
CD door
M
motor
RD-T70R only
2
VOL JOG
CN804CN803
CN803
dial
CN801
CN802
Q808
CN302
CN303
CN709
CN714
CD door
Leaf switch
Operation
switch
AHB
switch
1
RD-T70R only
AB CD E F G
CN803
Power
&
Operation
switch
Key 1 board
LED
CN801
LCD
FL display board
CN802
IC803
Remocon
sensor
RD-T70R only
LED
back light
CN302
Back up 4.5V
DC 9V
Battery board
CN303
Power supply board
Transformer
J902
T901
AC IN
2-1
Standard schematic diagrams
RD-T70RBU/RD-T50RLB
RD-T70RBU/RD-T50RLB
System control section
5
C803
0.01
Q807
2SC2410S
Q806
2SC2410S
R819VERSION
Non
15K
6.8K
4.7K
3.3K
2.2K
1K5
680
C805
33p-CH
C806
33p-CH
R807
1K
R819
VERSION
C807
C808
33p-CH
C824
X802
R818 4.7K
0.01
C820
33p-CH
C801
0.01
C802
0.01
0.01
R817 4.7K
8MHz
C810
R890
R816 4.7K
27K
R805R806
C821
C809
1K1K
+
10V220
R808 1K
27p-CH
27p-CH
4.7K
R815
X801
32.768KHz
R847 2.2K
R849 2.2K
10K
10K
R803
R804
C823
0.01
R811 2.2K
R812 2.2K
R813 2.2K
R814 2.2K
10K
R802
J / C
A
U / US / UT / UJ
UR / UY / UP
UX
DOM
E / B / EN / EV
EE
4
CN803
CONN-7P
1
2
3
4
5
6
7
GND
LED
POWER
KEY 2
KEY3
*
VR
VR
To Key-2 board
(To E-1 on page 2-6)
R809
10K
R810
10K
C804
0.01
3
(To A-4 and B-4 on page 2-6)
CN801
FFC-13P
123456789
10K
R801
1
COM4
2
COM3
3
COM2
4
COM1
5
VLC3
6
VLC2
7
VLC1
8
VDD
9
OSC2
10
OSC1
11
VSS
12
X1
13
X0
14
MMOD
15
VREF-
16
KEY1
17
KEY2
18
KEY3
19
SFTY
20
VOL1
21
VOL2
22
ACCHK
23
PCHK
24
VREF+
25
VDAT
SEG17
83
SEG18
82
SEG19
81
(To B-4 and C-4 on page 2-6)
101112
13
76
77
78
79
80
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
BLIGHT
CCTL
OCTL
LOAD
MOMU
RESERVE3
MCLK
50
To FL display board To FL display board
101112
13
90
91
92
93
94
95
96
97
98
99
100
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG10
SEG11
89
SEG12
88
SEG13
87
SEG14
CN802
FFC-28P
86
SEG15
114215316417518619789
84
85
SEG16
IC801
MN101C38CYE
VCK27VCE
SDI
SUBQ29SQCK30SHIFT31NRST
28
26
PCNT33FTU34FCD35AHB36SMUTE37RDDI40RDCK42AL243BUZ144BUZ245BUZ346POWER47RESERVE248REST49MDAT
32
REM38BLKCK39INH
41
202122232425262728
75
74
73
72
71
70
69
68
67
66
65
SCTL
64
63
62
61
CSW
60
OSW
59
MPX
58
LED1
57
STAT
56
XRST
55
54
GVP
53
52
51
MLD
REMOTE
GND
LED
R867 1K
R866 1K
R865 1K
R838 1K
R834
R823
R822 1K
R827 1K
R826 1K
REMOTE VDD
SCTL
CCTL
OCTL
LOAD
MPX
1K
STAT
1K
XRST
MOMU
MCLK
MLD
Q808
2SC2458GR
390
R891
L801
R889 10K
R835 10K
R825 47K
RD-T70R ONLY
100mH
R906
82-1/4W UNF.F
R870 47K
Q804
KTA111M
10K
1
2
3
CN709
CONN-3P
R871 47K
D812 1SS133
CSW
GND
OSW
SUBQ-29
SQCK-30
BLKCK-39
REST-49
MDATA-50
MLD-51
MCLK-52
MOMU-55
XRST-56
STAT-57
LOAD-62
OCTL-63
CCTL-64
SCTL-65
SFTY-19
VDAT/SDO-25
SDI-26
VCK/SCK-27
VCE/TUCE-28
PCNT-33
FTU-34
FCD-35
AHB-36
SMUTE-37
RDDI-40
RDCK-42
BUZ-43~46
MPX-59
D813 1SS133
1
2
3
CN714
CONN-3P
DOOR SWITCH PCB
SUBQ
SQCK
BLKCK
REST
MDATA
MLD
MCLK
MOMU
XRST
STAT
LOAD
SCTL
CCTL
OCTL
SFTY
SDO
SDI
SCK
TUCE
PCNT
FTU
FCD
AHB
SMUTE
RDDI
RDCK
BUZ
MPX
Close
Open
SW701
LEAF-SW(C)
To CD servo control section
(To H-5 on page 2-4)
(To A-1 and A-2 on page 2-5)
(To G-2 on page 2-3), (To A-3 on page 2-5)
(To G-2 on page 2-3)
(To G-2 on page 2-3), (To A-3 on page 2-5)
(To A-1 and A-2 on page 2-5)
(To A-3 on page 2-5)
T70 ONLY
(To A-1 on page 2-5)
"R" ONLY
(To G-2 on page 2-3)
"R" ONLY
(To A-3 on page 2-5)
(To G-2 on page 2-3)
R859 1M
R896 470K
Q802
2SC2458YGR
NOMP
R861
R860 1M
BUZ
Q801
2SC2458YGR
R874
10K
GND
4.5V
R/C Ctrl
B+(9V)
(To A-1 on page 2-5)
GND
AC/DC
4.5V
Parts are safety assurance parts.
R854
D806
1SS133
1.2K
D805
1SS133
D803
1SS133
D809
1SS133
REF5V
D802
+
C815
1SS133
C816
10V100
C817
0.01
0.01
5V REG
OUT1GND2IN
C818
3
IC802
2930L05
0.01
D801
1SS133
R832 4.7K
R824 1K
R897 1K
MDATA
REST
R833 47K
D814
R873
1SS133
10K
D807
1SS133
R894
2.2K
B+ ( 9V )
10
R872
+
C819 16V47
1K
R848 10K
R850 10K
SFTY
2
R851 47K
1
R836 2.2K
Q805
KRC102M
R837
R855 1K
VDAT
R875 10K
10K
10K
R830 2.2K
R869 1K
R868 1K
R853 1K
R829 1K
R828 1K
R857 1K
R856 1K
R846 1K
SDI
VCE
VCK
SUBQ
SQCK
AC / DC
+
C822
16V47
C813 0.01
R831 47K
*
FCD
FTU
PCNT
*R852 FOR RD-T70 ONLY
C814 50V1
D811
Q803
KRC107M
R840 1K
R858 1K
R852 10K
R839 2.2K
REM
SMUTE
AHB
R841 10K
R821
8.2K
+
D815
D816
1SS133
D817
BLKCK
1SS133
1SS133
1SS133
R845 1K
RDDI
R843 2.2K
R842 1K
RDCK
R844 2.2K
When replacing those parts make
2-2
BU5V
D804 1SS133
D808 1SS133
sure to use the specified one.
HAB C DE FG
Tuner section
RD-T70RBU/RD-T50RLB
Q15 KTC3195Y
PIN
FM AM
E
1.40 1.55
C
4.10 4.51
B
2.10 2.26
Q14 KRA107M
PIN
FM AM
E
5.21 5.86
C
5.14 0
B
0.02 5.80
1
2
3
4
5
6
7
8
9
FM AM
2.60
2.40
2.72
2.68
5.04
0
0
2.70
0.4
0
0
5.04
IC6 BU1923
0
0
0
0
0
0
0
0
0
0
0
0
FM AMPIN PIN
13
2.17
14
0
15
0
16
2.53
IC5 LA1823
FM AM
1
2
3
5
4
5
6
7
8
9
10
11
12
1.26
1.27
1.26
1.27
4.68
4.36
4.68
4.36
2.08
2.54
0
0
0.01
1.12
4.32
4.68
4.36
4.67
1.27
1.26
1.27
1.26
0.10
0.45
FM AMPIN PIN
13
14
15
16
17
18
19
20
21
22
23
24
4.05
3.57
3.02
3.64
0.74
3.64
1.27
1.23
1.27
1.23
1.27
1.27
1.0
0.32
4.25
4.64
4.24
4.64
4.25
4.66
0
0
0.95
0
1
2
3
4
5
6
7
8
9
10
11
12
FM AM
2.5
0.02
0
5.09
5.08
5.08
3.64
3.64
0
0.2
0
0
IC4 LC72136
2.71
5.84
0
5.38
5.26
5.35
3.02
0.02
0
0
0
0
FM AMPIN PIN
0
13
14
15
16
17
18
19
20
21
22
0
0
0
2.71
2.51
0
2.51
5.38
5.05
0.89
0.93
0
0.93
1.17
1.82
0
0
2.36
2.53
10
11
12
Q7 2SC1923(O)
PIN
FM AM
0
0
0
0
0.03 0.03
E
3.55 3.82
C
0.73 0.74
B
Q16 2SC2458GR
PIN
FM AM
E
1.30 0
C
3.66 0
B
2.0 0
Q13 KRA107M
PIN
FM AM
MONOFMSTEREO
E
4.34 4.68
4.34
C
00
B
4.10
4.32 4.66
0.8
4
C5 0.022
100uH
L3
C120
NOMT
16
L_OUT
C106
15
AM/FM_SW
T2
AM IFT
R4 22
2700P
14
ST/MON_SW
C125
13
FM_DET
12
0.0082(M)
IC5 LA1823
C124
0.0082(M)
C107
50V2.2
+
+
C108
50V2.2 CF6
R103 100
+
C103 50V22
R81 5.6K
R82 5.6K
CDF107F-AO-029
R73 3.3K
C4
560P
C102
C127 50V3.3
R90 100K
Q13
KRA107M
D5 1SS133
10K
47K
C7 0.022
50V0.47
C116 0.001
R91 27K
R92 27K
C115 0.001
+
C126
+
50V0.22
+
0.022
R29 1K
IFCNT
47K
10V100
C72
0.01
0.001
C48
C94
10V100
R45 330
12
L1
220uH
IFIN
11
100P
C49
0.01
+
C40
+
C80 16V47
C32
R5 100K
12P CH
X3
75Khz
C35 12P CH
C41 100P
C119 100P
C117 100P
C118 100P
C8
C45 1u(M)
C46
0.0039
R72 3.3K
R71 4.7K
22
21
XT
GND
XTI1FM2CE3DI4CLOCK5DO6VCOSTOP7AM/FM8LW9MW10SDIN
IC4 LC72136
MPX
R48 1.8K
R49
4.7K
17
20
19PD18
LPFI
VCC
LPFO
R28 1K
R27 1K
1SS133
TUCE
SDO
1SS133
D6
D10
SCK
SDI
R30 1K
C110 470P
R1 15K
R101 100
R50 4.7K
0.01
C47
16
15NC14
13
FMIN
AMIN
R33 1K
R38 47K
R43
R44 47K
1SS133
R32 1K
R34 1K
D1
L16
MW OSC
SS
D13
KV1520NT
R87 100K
C6 0.047
6.8P
C123
430P (PP)
C122
10P
C21
3
R31 1K
R75 1K
CT1
(20PF)
C81
27P
WHITE
BLACK
L17
FERRITE BAR ANT
RED
GREEN
2
FM ANT
FM PIG TAIL
C67 0.01
R41 47K
C74 0.001
R88
100K
D11
R89 100K
KV1370NT
2
1
IN
OUT
GND
LC2 BPF
+
C113 0.022
C99 50V10
CF4 SK107M2-AO-20
FM-RF
L14
C111
12P
C69
0.01
3
C1
0.001 C3
2SC1923(O)
C65 0.01
R46 330
R40 47K
D12 KV1370NT
C44 27P
C73 0.001
R100
100
10
R99
Q7
R83
470K
R97 22
0.01
100uH
L15
24
FM_RFIN
AM_RFIN1REG.2AM_OSC3VCC_14FM_MIXOUT5GND_16IF_BUFFER7ST_IND8AM_MIXOUT9FM_IFIN10AM_IFIN11AGC
R47 330
R85 56
R35 1K
C66
L11
C70
23
GND_2
0.01
FM-OSC
22
C68 0.01
C76
R86
R102 100
21
VCC _2
FM_RFOUT
C96
10V100
+
CF5
SK107M2-AO-20
C114
0.022
R104 1.2K
Q15
KTC3195Y
0.001
220K
C105
3P
C121 50V4.7
19
20
FM_OSC
DET_OUT
+
18
MPX_IN
C2
15p
R74 150K
17
R_OUT
RDS-SECTION RD-T70R/RD-T50R only
C130
33p-CH
C71 0.01
+
R95
2.2K
C134 220P
2SC2458GR
L10
100uH
Q14
10K
47K
R3
82
R2
39
L9 100uH
R84
470K
Q16
KRA107M
R93 2.2K
T.P.
C133 220P
R94 2.2K
C129
X4
33p-CH
4.332MHz
16
RCLK
QUAL1RDATA2VREF3MUX4VDD15VSS16VSS37CMP
1
+
C97 10V100
12X113X014NC15
VDD2
+
C109 50V2.2
C132 0.022
+
C131 0.022
10
11
VSS2
(FOR RDS ONLY)
C78 0.001
C98 10V100
R37
RDCK
1K
T19T2
IC6 BU1923
8
R36
RDDI
1K
C128 560P
C79 0.001
RDCK
RDDI
SDI
SCK
SDO
TUCE
MPX
R O/P
1
GND
2
L O/P
3
D_GND
4
B+ 5.8V
5
(To B-3 and B-4 on page 2-5)
RDS
PLL
OK
OK
SDI
VCK
VCE
VDAT
OK
7
6
5
4
3
2
1
(To G-3 on page 2-2)
AM RADIO SIGNAL
FM RADIO SIGNAL
RADIO SIGNAL
1
AB CD E F G
2-3
CD servo control section
RD-T70RBU/RD-T50RLB
RD-T70RBU/RD-T50RLB
C708
0.022
C709
0.022
5
0.0022
C717
C712
OPTIMA-7
OPT701
1
2
3
4
5
HDU-110
4
3
VR702
Focus Tracking
CD MECHANISM
FEED
10
9
8
7
6
REST-SW
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
6
FM+
5
/REST
4
SM+
3
SM-
2
1
FM-
REST.G
SPINDLE
CN701
E
A+C
F
B+D
R74710
+
R704 39K
C726 16V47
12
R712
10
C711
R709
C752
10V470
15P 1.0mm RA
A
1
F2
B
2
SR
E
3
T1
C
4
NC
5
D
F1
6
K
K
7
F
T2
8
MD
9
LD
10
VR
11
G
12
F+
13
T+
14
T-
15
F-
CN705
6P ST 2MM
6
5
4
3
2
1
2
C753
100P
0.0022
R772 33K
R773 33K
R748 6.8K
R749 6.8K
31A32
C
PD1LD2VCC3RFN4RFOUT5RFIN6ARF8CAGC
C714
0.022
+
C727
10V220
R758 120
R771 2.2
D705
+
1SS133
50V10
R713
3.1V
27
OUT4+
3.1V
26
OUT4-
C754
100P
2.4V
25
IN4/R
22K
2.4V
24
IN4
Q701
KTA1267Y
+
0V
28
GND
OUT1+1OUT1-2IN1/R3IN14TR-B5REG-OUT6MUTE
3.1V
3.1V
2.4V
2.4V
6.0V
R761
6.1V
R769 2.2K
6.8V
Q703
OR 2SB8698/EF/-T
C764
0.0082
2SA952/LK/-T
30D29
B
C713 NOMT
2.4V
6.8V
23
22
VCC
VREF
7
5.0V
3.6V
330
5.0V
R745 8.2K
TAB
TAB
R763 100
R702 220K
R701 270K
C702 100p
R703 100K
R744 8.2K
22
23
24
25
26E27F28
GCTL
FBAL
TBAL
FEOUT
CEA93TOUT10CBOO11BDO12COFTR13NRFDET15GND
7
C744 0.1(M)
C724
C725 0.047(M)
0.039(M)
TP713
C721
ARF
0.0047(M)
R714
3.3K
R717
2.2K
6.8V
21
VCC
2.4V
20
C743
IN3
R734 NOMT
33P
3.1V
3.1V
2.4V
19
18
17
IN3/R
OUT3-
GND8IN29IN2/R10OUT2-11OUT2+12GND13OP-OUT
0V
0V
2.4V
2.4V
3.1V
3.1V0V6.3V
C756
100P
+
C757
10V100
L702 10uH
R770 4.7K
R705 470K
C755 100P
0.9V
16
OUT3+
C707
10P
TEN21FEN
C722
R733 NOMT
OP-IN+
TP712 FOCUS
TP711 TRACKING
R716 150K
R706 0
C704
0.0022
R750 390K
1.42V p-p
17
18
19
20
VREF
VDET
TEBPF
TEOUT
OFTR
16
14
0.0015(M)
C723 0.047(M)
R759 56K
R760 12K
R746 8.2K
R707 22K
0.8V
15
IC703
OP-IN-
BA6897FP
BTL. DRIVER
14
R708 22K
R718 2.2K
R756 3.9K
TBAL
FBAL
C703
0.022
VDET
LDON
R725 39K
R774 62K
IC702
AN22000A
RF
& SERVO AMP.
/RFDET
BDO
RFENV
ARF
OFT
C761
NOMT
TP714
GND
KICK
TRD
TVD
TRV
ECM
ECS
FOD
FE
TE
C710
NOMT
TP720
PMCK
TRV
TVD
21
22
23
TP715
ECM
ECS
KICK
Vref
TRD
FOD
24
25
26
27
28
29
C745
C719
+
10V100
C736
0.1
0.022
FBAL
TBAL
FE
TE
RFENV
VDET
OFT
/RFDET
BDO
LDON
R730
NOMT
R719 1K
C715
0.1uF
30
31
32
33
34
35
36
37
38
39
40
XRST
TRV
TVD
C760 NOMT
C731 0.022(M)
20
PMCK
19
R722 1K
SMCK
STAT
SUBQ
BLKCK
SQCK
TP719
DMUTE
13
15
16
17
18
RST
STAT
DMUTE
SQCK14SUBQ
TP718 TLOCK
12
BLKCK
TP717 FLOCK
11
TLOCK
TP716 SENSE
FLOCK
10
SENSE
MLD
9
MLD
MCLK
MDATA
8
MDATA
7
MCLK
5TX6
DVSS1
PC
ECM
ECS
KICK
TRD
FOD
VREF
FBAL
TBAL
IC701
MN662748RPMFA
FE
TE
RFENV
VDET
OFT
TRCRS
/RFDET
BDO
LDON
PLLF241TOFS42WVEL43ARF44IREF45DRF46DSLF47PLLF48VCOF49AVDD250AVSS251EFM52PCK53VCOF254SUBC55SBCK56VSS57X158X259VDD
2
3
4
LRCK
DVDD1
SRDATA
BYTCK/TRVSTP
1
BCLK
SSEL
MSEL
PSEL
CSEL
RSEL
OUTR
AVSS1
OUTL
AVDD1
/TEST
IOSEL
RESY
DEMPH
CRC
CLVS
FLAG
IPFLAG
FCLK
CLDCK
0.1
C735
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
C742 10V220
TP723
DEMPH
+
TP722
FLAG
TP721
IPFLAG
R723 1K
R724 1K
C741 10V220
C734 0.1
SQCK-14
SUBQ-15
MLD-9
XRST-18
STAT-17
MCLK-7
MDATA -8
BLKCK-13
MOMU-7(MUTE)
C748
0.0022
C765 50V1
R743
220
+
C747 0.0022
C746 0.0022
C766 50V1
D701 1SS133
FB701 F.B
+
+
SQCK
SUBQ
MLD
XRST
STAT
MCLK
MDATA
BLKCK
MOMU
REST
D.GND
A.GND
OUT.L
OUT.R
SFTY
M.GND
To System control section
8.4V
(To G-3 and G-4 on page 2-2)
To Main amplifier section
(To A-1 and A-3 on page 2-5)
60
TP724
C716 NOMT
R736
NOMT
EFM
R741 5.6K
C730 0.33u(M)
C718 NOMT
270
R742
X701
16.9344MHz
C73712P
12P
C738
C749
R757 2.7K
0.33(M)
C750 NOMT
+
C739 50V10
L701
10uH
C732 0.1
ARF
R710 4.7
D703 1SS133
C728
C740 10V220
470P
R739 68K
R737 68K
R738 120K
C706 0.022
R731 NOMT
C729
0.15u(M)
R740 330
+
R735 NOMT
C733 0.1
C705 0.022
NOTES 1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITH PLAY MODE.
2. UNLESS OTHERWISE SPECIFIED. RESISTER ARE 1/16W +5% CARBON RESISTER.
ALL RESISTANCE VALUES ARE IN OHM.
ALL CAPACITANCE VALUE ARE IN UF(P=PF).
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE (UF)/RATED VOLTAGE (V).
3. RESISTER END NO. R770 .
1
2-4
CD PLAY SIGNAL
HAB C DE FG
Main amplifier, volume and AHB section
RD-T70RBU/RD-T50RLB
VOLUME EQ PCB
C303
+
C309
+
28
VREF
50V10
29CL30
VDD
R311 10K
50V1
( JP FOR T50 )
2.7K ( NO MTG FOR T50 )
DI1CE2VSS3TEST4LOUT5LBASS2
R310 10K
R312 10K
R348
3K9
C100
+
50V1
R352
1K
R351
R353 1K
3K9
+
C345
50V1
C344 50V1
C101
50V1
17NC16
15
+
+
5
R350 3K9
C348
+
0.1
C301
20
R319R4
R218R1
L3
L213L114NC
12
0.1
C302
50V1
21
10L411
C342
50V1
22
RSELO
+
R347
3K9
0.0027(M)
C354
C320 0.047(M)
C355
0.047(M)
26NC27
23
25
RIN
LIN9LSELO
C351
RTRE
LTRE
8
0.0027(M)
C352
RBASS124RBASS2
LBASS1
6
7
0.047(M)
C353
ROUT
0.047(M)
4
CN310
HEADER_11P
To Tuner section
B+ 5.8V
D.GND
OUT.R
A.GND
OUT.L
M.GND
8.4V
VCE(CE)
VCK(CL)
CN708
CONN-2P
1SS133
TA8409S
1
2
D_GND
L O/P
GND
R O/P
IC704
IN21VCC2OUT23NC4GND5VS6OUT17VR8IN1
D708
4.7K
1SS133
C720
+
10V100
Q705
KRC110M
+
C758
10V220
R765 390
R764
150
R775
0
9
+
C759 50V10
R776 8.2
R768 10K
R767 8.2
Q704
KRC110M
4.7K
C319
(To G-3 on page 2-3)
To CD servo control section
(To H-3 and H-4 on page 2-4)
To System control section
3
(To G-3 on page 2-2)
M702
DOOR MOTOR
CCTL
OCTL
LOAD
VCE
VDAT
VCK
AHB
BUZ
CN708
WIRE KIT
1
2
VDAT(DI)
M+
M-
2
Q706
KTC3199
SCTL
FCD
To System control section
(To G-2 and G-3 on page 2-2)
SFTY
GND
B+(9V)
FTU
PCNT
R/C Ctrl
SMUTE
4.5V
1
AC/DC
D308
10
11
TU R
R O/P
VDD
D709
1SS133
R715 1.5K
R766 10K
+
50V10
R729 10K
CD B+
Q305
KTA1273Y
5V
Q313
KRC102M
GND
CD R
CD SWITCH
CD L
TU L
L O/P
VCE(CE)
R309 2.2K
123456789
VCK(CL)
VDAT(DI)
9V
J.WIRE
C455
0.001
C454
0.01
R307
5.6K
TU SWITCH
Q311
KRC102M
+
C317
50V10
D303 1SS133
0.7V
R302
R303
IC301
LC75342
( NO MTG FOR T50)
R305
2.7K
( NO MTG FOR T50 )
R304
1K2
( 3K FOR T50 )
C307
R349 150
D306
1SS133
R308 820
D307
1SS133
C316
1000P
R301
1K
( 2K2 FOR T50 )
1K2 ( 3K FOR T50 )
C304
0.01(M)
( NO MT FOR T50 )
0.01(M)
C306
1K
R306
+
50V1
( JP FOR T50 )
+
C349
10V100
TUN. REG
Q308
KTA1273Y
5.8V
+
C321
10V470
( 2K2 FOR T50 )
Q310
2SC2458YGR
C310
R339 4.7K
R336
100
+
16V47
ZD302
R313 1.5K
MTZJ5.1B
C318 0.01
+
10V100
R333 1K
C326
Q302
2SC2785
R337 1K
+
C405
50V4.7
D402
1SS133
C407 50V1
Q309
2SC2458YGR
R341
3.3K
R413 100K
R417 5.6K
D401
+
T50 ONLY
POWER SW
Q307
KTA1267YGR
R338 1K
+
C305
50V22
1SS133
CN402
HEADER_8P
AHB PCB [T70R] ONLY
Q401
2SC3330/ST/-T
C412
0.068(M)
R411 10K
C362 50V1
R412 10K
+
C361 50V1
9V
R342
56K
8
+
C315
0.068(M)
Q402
2SC3330/ST/-T
GND
AHB
L O/P
L I/P
1000P
C411
R I/P
R O/P
1234567
VCC
AGC
R402 1.8K
R404 1.8K
C327
50V10
+
NOMT
R420
R418 15K
C402
50V22
R407 1.8K
R403 6.8K
IC401
BA15218
C401
50V22
R406 1.8K
R405 6.8K
NOMT
R419 15K
R421
R401
560
2SD1781KQ ( SMD )
R317
10K
R465
4.7K
Q304
R320 4K7
C456
NOMT
C458
NOMT
R321
4K7
R316
10K
Q303
2SD1781KQ ( SMD )
+
R408
2.2K
+
+
+
+
C404
10V100
8
123
0.068(M)
0.01
C408
C409
R410 120K
0.068(M)
6
7
-
VCC
+
+
-
GND
45
C410
R409 120K
+
C403
10V100
ZD401
UZ4.3B
D302
1SS133
+
C322
16V47
C329
C360 0.001
50V1
R451
NOMT
R452
NOMT
C330
50V1
+
+
5
6
IN1
NF1
IN27NF28RIPPLE
R323
+
C359
0.001
C323
C313 0.01
R322
4
PRE GND
9
+
220
16V47
C332
220
C340
16V47
+
16V100
MAIN SIGNAL
RADIO SIGNAL
CD PLAY SIGNAL
C325
PW GND
C324
R415
R416
+
10V100
2
3
B.S.1
B.S.210OUT211VCC1
+
10V100
C357
4R7
R344
L
OUT1
0.1(M)
15K
15K
C312
+
10V1000
1
VCC2
12
C311
10V1000
+
C328 16V100
IC302
+
D310
1N4001
R329 22
TA8227P
C331
L302 100uH
+
16V100
CN301
CONN-4P
1
2
3
CN302
CONN-3P
1
2
3
1.6A 250V
1
2
3
4
CN303
CONN-4P
L303
4
2.2uH
CN302
CONN-3P
BATT 9V+
B+
GND
ACCHK
C358
0.1(M)
L301
100uH
C356
R343 4R7
R324 68
R325 68
F301
+
16V2200
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
1
GND
2
R-CH
3
GND
4
L-CH
CONN-4P
HP301
HEADPHONE
FW901
3
1
2
2
1
3
To Power supply board
(To G-5 on page 2-6)
+- +-
4 ohm 4 ohm
BU 4.5V
DC 9V
TERMINAL
AB CD E F G
2-5
RD-T70RBU/RD-T50RLB
RD-T70RBU/RD-T50RLB
FL display section
LCD81 DISPLAY
AL1 AL2 RDS SLEEP BASS
RD-T70R ONLY
MHz
KHz
Power supply section
To Main board (Main amplifier section)
(To G-2 on page 2-5)
5
STEREO MONO ALL RANDOM PBC
COM037COM136COM235COM3
34333231302928272625242322212019181716151413121110
4
12345678910111213
CN801
FFC-13P
To Main board (System control section) To Main board (System control section)
(To C-5 and D-5 on page 2-2)
11421531641751861978910111213
CN802
FFC-28P
(To D-5 and E-5 on page 2-2)
987654321
202122232425262728
R904
68
IC803 SPS-445-1-E1
IR UNIT
3
C828
+
16V1000
LED82 LED
VDD1GND2OUT
+
C827
50V22
BACKLIGHT
D911 IN5391
D304 ISS133
C923 0.022
D914 IN5391
R945 330
R905 100
C922 0.022
B+
ACCHK
GND
1
234
BATT 9V+
CN303
CONN-4P
Key 1 section
Key 2 section
C924 0.022
D913
IN5391
C926 0.022
D912
IN5391
PLAY MODE
S814
3
PWB, KEY-1
R881
22K
RD-T70R ONLY
PWB, KEY-2
SNOOZE
S806
TACT-SW
TIMER2
S805
TACT-SW
2
TIMER1
S804
TACT-SW
POWER
S815 TACT-SW
CLOCK
S803
TACT-SW
SLEEP
S802
TACT-SW
R876 680 R877 680 R878 820 R879 1K R880 1.5K
LED803
1
RED
1
2
3
4
CN803
CONN-4P
To Key-2 board
(To E-2 on page 2-6)
TACT-SW
TACT-SW
R887
2.2K R888 2.7K
BASS TREBLE
TACT-SW
TACT-SW
TACT-SW
EJECT
TACT-SW
TACT-SW
R882 680 R883 680 R884 820 R885 1K R886 1.5K
FM AM
TACT-SW
STOP/PRESET
TACT-SW
AHB
S813
S812
>/>>
S811
<</<
S810
S809
CD >||
S808
S807
S807
RD-T70R ONLY
VR801
VOL JOG
ACB
123
CN803
1
To Key-1 board
2
3
(To B-1 on page 2-6)
4
CONN-4P
CN804
1
2
3
To Main board (System control section)
4
5
(To A-3 on page 2-2)
6
7
CONN-7P
F902
250V T1.6AL
TRANSFORMER
T901
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
N
BLK
J902
AC SOCKET
POWER CORD
L
RED
2-6
HAB C DE FG
Printed circuit boards
RD-T70RBU/RD-T50RLB
Main board
Note : This is a printed circuit board on a silk screen print.
This method enables the patterns of both surfaces of the printed circuit board to be shown because of the transparency of the silk screen print.
(Main board)
(Battery board)
5
(Door switch board)
4
3
2
(FL display board)
1
(Key 1 board)
(Key 2 board)
AB CD E F G
2-7
AHB, volume and power supply board
Note : This is a printed circuit board on a silk screen print.
This method enables the patterns of both surfaces of the printed circuit board to be shown because of the transparency of the silk screen print.
RD-T70RBU/RD-T50RLB
RD-T70RBU/RD-T50RLB
5
(AHB board) (Volume board) (Power supply board)
4
3
2
1
2-8
HAB C DE FG
< MEMO >
RD-T70RBU/RD-T50RLB
RD-T70RBU/RD-T50RLB
VICTOR COMPANY OF JAPAN, LIMITED
AUDIO & COMMUNICATION BUSINESS DIVISION
PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,maebashi-city,371-8543,Japan
No.21107SCH
200207
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