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K
L
(X33-1260-00) (A/2)
3.3V
SL/SP MOTOR DRIVER
IC4
FOC./TRA.DRIVER
2.4V
15
VO4(+)
VO1(+)
14
2.3V
2.2V
16
VO4(-)
VO1(-)
13
2.2V
2.1V
17
VO3(+)
VO2(-)
12
2.6V
2.5V
18
VO3(-)
VO2(+)
11
1.9V
19
GND
VOL(+)
10
0V
R116
1.8V
1
20
BIAS
VOL(-)
9
VCC
8
5.0V
3.3V
21
MUTE
MUTE
1.5V
22
OPOUT3
OPOUT2
7
1.9V
1.5V
23
OPIN3(-)
OPIN2 (-)
6
1.4V
1.8V
24
OPIN3(+)
OPIN2 (+)
1.4V
5
LOADING
25
OPOUT4
DRIVER
OPOUT1
4
1.8V
1.5V
26
OPIN4(-)
1.5V
27
OPIN4(+)
OPIN1 (-)
3
1.5V
OPIN1 (+)
2
1.5V
3.3V
28
1
REV
FWD
R24 100
0.8V
9
SDTO
SDTI
1.7V
10
DEM1
27
LRCK
1.6V
11
29
MCLK
DEMO
1.6V
12
28
SCLK
VDD
3.3V
13
PWAD
VSS
14
PWDA
AINL
1.6V
15
AOUTL
1.6V
16
ANALOG
AOUTR
AINR
OUT (Lch)
VCOM
IC10
+3.3V
+5V
M
N
5.0V
+
+5V
Q7
3.3V
+B
31
+3.5V
14
R62
PLAY
S3
47K
REC
S2
13
S1
3.5V
W6
SLT
12
11
51
IOP2
52
IOP1
53
10
+3.5V
VREF
54
+B
AVCC
55
3.3V
+B
MODE0
9
56
+B
MODE1
+5V
57
58
+B
C87
59
390P
C46
0.1
Q10
3.3V
R122
100K
59
86
RESET
RESET
R123
60
100K
+B
NMI
85
61
3.3V
+B
STBY
62
X2
+B
VCC
10MHz
1.3V
63
XTAL
64
R128
VSS
100K
1.6V
65
89
EXTAL
R127
88
R53 470K
3.3V
66
100K
3.3V
FWE
R52 470K
3.3V
67
MODE2
68
69
70
71
72
38
73
IC10
74
A/D,D/A
C48 0.1
3.5V
75
CE
CONVERTER
8
0.9V
7
6
3.3V
R35
5
1
+B
59
4
C32
2200P
3
1.5V
C37
1.6V
2200P
2
23
C39
1
1.6V
10u16
5.0V
+
C38
+3.5V
0.1
ANALOG
REC IN (Rch)
+3.3V
+5V
O
P
1
2
3
4
5
6
7
8
+B
+3.5V
31
25
24
23
22
21
20
19
18
17
16
15
C45
100u6.3
14
VSS
+
13
12
3.3V
VCC
+B
IC3
11
10
MD MECHA.
u-COM
9
8
E2PROM
7
6
5
4
R59
2
0V
10K
SDA
R60
1
0V
10K
SCL
3
OUT
+3.5V
C31
4.9V
100u6.3
+
3.5V
R31
2
360
ADJ
3.5V AVR
1
IN
+5V
IC6
5.0V
+3.5V
DIGITAL IN
+3.5V
+5V
RXD-M33MD-S/M33MD-L/M33MD-N
Q
R
CAUTION: For continued safety, replace safety
(X33- ) (B/2)
critical components only with manufacturer's rec-
ommended parts (refer to parts list).
R64
47K
1
WH1
safety critical components. For continued protec-
tion against risk of fire, replace only with same
2
WH2
3
WH3
type and rating fuse(s). To reduce the risk of
electric shock, leakage-current or resistance
S4
measurements shall be carried out (exposed
parts are acceptably insulated from the supply
PROTECT
REFRECT
circuit) before the appliance is returned to the
customer.
+3.5V
The DC voltage is an actual reading measured
with a high impedance type voltmeter. The mea-
surement value may vary depending on the mea-
suring instruments used or on the product. Refer
to the voltage during RECORDABLE MD PLAY
unless otherwise specified; The value shown in (
) is the voltage measured at the moment of
STOP. The voltage followed by (REC) refers to
the value during MD RECORDING.
2SA1286-T11
2SA1175
2SA1534A
2SC2785
2SC2878
2SC3940A
BUCK-UP
SWITCH
R46
Q9
4.7
+B
3.5V
IC7
BACK
2SD1664
2SD1963
UP
Q8
3.5V
+3.5V
CN1
1
MGND
2
DOUT
UN4212
3
MGND
+5V
4
M+5V
UN4216
5
DIN2
UN4219
+5V
6
M+5V
7
DIN1
S5
R41 220
8
DISC IN SW
R37 100
9
AOUTL
+5V
10
+5V
S5
X29-A/6
11
AOUTR
DISC
-CN64
IN
13
AGND
SW
3/4
12
DGND
R36
A
AP-1
100
14
NC (MUTE)
2SB798-DL
15
AINL
16
DGND
17
AINR
59
18
MECHARST
75
19
CE
20
BACKON
R65 100
77
21
CRXD
DTA124EUA
R66 100
76
22
CTXD
DTC124EUA
R50 100
23
23
BACKUPV
3.5V
+3.5V
24
+3.5V(OUT PUT)
25
HGND
5.0V
+5V
26 H+5V
(1/4)
RXD-M33/M33MD
Y39-3862-70
S
T
indicates
DTC124ESA
DTC143TSA
KRC103M
DTA144EUA
DTC114YUA
UN5219
2SA1576A
2SB1218A
2SD1819A
KTC3205
2SC4081
UMW1N
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