DTR-7.3
SCHEMATIC DIAGRAM 1-1
Sub-microprocessor and display sections
P7201A (SCH. 9) NAAR-7728
5.0
12.0
12.0
5.6
12.0
5.0
O
Q7
KT
O
P36
F2
F2
NP
NP
P35
P34
P33
P32
P31
P30
P29
P28
P27
53
54
55
56
57
58
59
60
61
62
63
64
65
66
P7203
JL7202B
JL7202A
U7201
SPS-444-1
L7201
NCH-1471
R7201
L
M182
R7202
LM182
P7481
HEADPHONES
Q7202
KRA103S
OR RN2403
X7201
CST16.00MXW0C1
Q7201
M30624FGAFP
1:P96/ANEX1/SOUT4
1
24:P76/TA3OUT
24
25:P75/TA2IN/~W
25
26:P74/TA2OUT/W
26
27:P73/~CTS2/~
RTS2/TA1IN/~V
27
28:P72/CLK2
/TA1OUT/V
28
29:P71/RXD2/SC
L/TA0IN/TB5IN
29
2:P95/ANEX0/CLK4
2
30:P70/TXD2
/SDA/TA0OUT
30
3:P94/DA1/TB4IN
3
4:P93/DA0/TB3IN
4
51:P43/A19
51
52:P42/A18
52
53:P41/A17
53
5:P92/TB2IN/SOUT3
5
6:P91/TB1IN/SIN3
6
78:P12/D10
78
79:P11/D9
79
7:P90/TB0IN/CLK3
7
80:P10/D8
80
AVCC
99
AVSS
96
BYTE
8
CNVSS
9
P00/D0
88
P01/D1
87
P02/D2
86
P03/D3
85
P04/D4
84
P05/D5
83
P06/D6
82
P07/D7
81
P100/AN0
97
P101/AN1
95
P102/AN2
94
P103/AN3
93
P104/AN4/~KI0
92
P105/AN5/~KI1
91
P106/AN6/~KI2
90
P107/AN7/~KI3
89
P13/D11
77
P14/D12
76
P15/D13/~INT3
75
P16/D14/~INT4
74
P17/D15/~INT5
73
P20/A0[/D0/_]
72
P21/A1[/D1/D0]
71
P22/A2[/D2/D1]
70
P23/A3[/D3/D2]
69
P24/A4[/D4/D3]
68
P25/A5[/D5/D4]
67
P26/A6[/D6/D5]
66
P27/A7[/D7/D6]
65
P30/A8[/_/D7]
63
P31/A9
61
P32/A10
60
P33/A11
59
P34/A12
58
P35/A13
57
P36/A14
56
P37/A15
55
P40/A16
54
P44/~CS0
50
P45/~CS1
49
P46/~CS2
48
P47/~CS3
47
P50/~WRL/~WR
46
P51/~WRH/~BHE
45
P52/~RD
44
P53/BCLK
43
P54/~HLDA
42
P55/~HOLD
41
P56/ALE
40
P57/~RDY/CLKOUT
39
P60/CTS0/RTS0
38
P61/CLK0
37
P62/RXD0
36
P63/TXD0
35
P64/~CTS1/~RTS1/~C
34
P65/CLK1
33
P66/RXD1
32
P67/TXD1
31
P77/TA3IN
23
P80/TA4OUT/U
22
P81/TA4IN/~U
21
P82/~INT0
20
P83/~INT1
19
P84/~INT2
18
P85/~NMI
17
P86/XCOUT
11
P87/XCIN
10
P97/~ADTRG/SIN4
100
VCC1
16
VCC2
62
VREF
98
VSS1
14
VSS2
64
XIN
15
XOUT
13
~RESET
12
SEG27
33
VP
32
D7501
UDZ11B
D7203
UDZ5.1B
C7203
474J
C7204
474J
C7510
33/50
C7201
100/6.3
C7202
100/6.3
C7207
100/6.3
D7502
1SS352
OR
1SS355
D7204
D7201
1SS352
OR 1SS355
D7202
1SS352 OR 1SS355
C7509
474Z
C7501
474Z
C7502
474Z
C7483
104Z
C7482
101J
C7481
101J
C7213
102K
C7208
104Z
C7214
102K
S7574
FM MODE
S7542
DIRECT
R7389*
R7390*
R7391 10K
R7392 10K
R7290*
R7501 220
R7502
220
R7258
1
0K
R7431
220
R7432
2.2K
R7340
10K
R7339
10K
R7509
330
R7205
1
K
R7309
10K
R7229
2
20
R7271
10K
R7289*
R7338
10K
R7268
10K
R7267
10K
R7266
1
0K
R7265
1
0K
R7256
10K
R7255
1
0K
R7254
1
0K
R7253
1
0K
R7252
1
0K
R7251
1
0K
R7250
4.7K
R7249
4.7K
R7260
1
0K
R7272
2
20
R7259
1
0K
R7301
220K
R7330
4.7K
R7386
10K
R7380
10K
R7379
10K
R7329
1
0K
R7237
220
R7263
1
K
R7376 10K
R7277 0
R7286
10K
R7371
10K
R7382
1K
R7279
1K
R7212
1K
R7211
1K
R7280
1K
R7275
4.7K
R7220
1
K
R7230
2
20
R7219
10K
R7218
10K
R7210
1K
R7209
1K
R7207
1
K
R7206
1
K
R7204
1
K
R7203
1
K
R7284
10K
R7282
10K
4 .7K
4 .7K
4 .7K
4 .7K
R7248
10K
R7247
10K
R7245
10K
R7243
10K
R7242
10K
R7240
10K
R7239
10K
R7238
220
R7236
220
R7235
220
R7234
100
R7233
100
R7232 100
R7231
100
VDS
T
RI
ISS
HPR
HPE
HPL
GND
SY
NC
OSDC
S
SUB
RES
+1
2V
GND
GND
+5.6
S
SUB
REQ
S
UBPOF
F
M
AINRE
Q
F
LOSDD
A
F
LOSDC
L
DI
MPWM
RE
MIN
VD
D
A
V
DCL
VS
YNC
23
2RX
23
2TX
NE
TTX
NE
TRX
SU
BSO
MA
INSO
M
AINSC
K
P36
P35
P34
P33
P32
P31
P30
P2
8
P29
+12V
P2
7
+5.6S
HPDET
-VP
RI
VDST
MAINREQ
SUBPOFF
TUDOWN
TUNUP
PRE-L
PRE-R
STBY
R
ZDVD
PU
RE
U
PSPL
RZ
N
E
T
RZ
CD
RZ
PH
RZ
AM
RZ
T1
LEDGRE
SYNC
LEDRED
RZV1
ISS
RZV5
FLRES
RZV 4
RZV 3
RZV2
LED RED
VBJ
VAJ
LED GRE
K3
SUBREQ
MAI NSCK
MAINSO
SUBSO
NETRX
NETT X
K0
FLOS
DDA
FLOS
DCL
K1
DI
M
P
W
M
M
AININ
SU
B
R
E
S
23
2RX
23
2TX
CN
VSS
OS
DCS
FL
CS1
RE
MIN
VDD
A
VDC
L
VS
YNC
AUDIO-SE L
K2
K3
R7289
R7389
R7290
R7390
UDD
0
-
10K
1 0K
UPA
10K
33K
0
-
NADIS-7746
NAETC-7749
GND
P7483
GND
U44
U46
A
1
2
3
5
B
C
D
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