JVC RD-T50RLB, RD-T70RBU Schematics
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
Loading...