DTR-7.3
PRINTED CIRCUIT BOARD VIEW
FROM SOLDERING SIDE 2-1
U44
DISPLAY CIRCUIT
PC BOARD
(NADIS-7746)
P7203
RGRGRGRGRGRGRG RGRGRG
2
2
2
22222222
2
2
2
2222
22222
2
22
2
2
2
2
VOUT
VCC
GND
RG RG RGRG RG RG RG RG RG RG RG
2
2
25
30
7
17
7
7
7
12
15
12
15
15
15
7
20
15
15
17
17
7
12
12
7
12
30
17
30
7
7
7
7
7
12
7
12
12
12
12
12
12
7
7
12
12
15
7
17
12
12
12
17
20
12
22
27
7
27
17
7
7
15
15
15
17
7
20
15
15
15
20
17
7
12
12
12
12
15
7
20
7
C7201
C7202
C7203
C7204
C7207
C7503
C7506
C7510
D7521
D7522D7523D7524D7525D7526D7530 D7529
D7531
D7532
D7536
D7537
D7538
D7539
P7203
P7201A
P7559A
S7542
S7581
S7545
S7546S7547S7548S7549
S7553
S7552
S7554
S7555
S7556
S7578
S7577
S7559
S7563S7564S7565
S7566S7567
S7568S7571S7572
S7573
S7575S7574
S7576
S7558
S7557
S7579
U7201
X7201
D7541
D7542
D7544D7543
D7545
D7546 D7547 D7548 D7549 D7550
D7551
J7281
J7255
NCDIS-7746
25137746
0
DVD
VIDEO1
VIDEO2VIDEO3
VIDEO4VIDEO5
TAPE
TAPE
TUNPHONO
CD
OFF ZONE2 RECOUT
DISPLYDIMMER
SETUP
ENTER
RETURN
TUNING-UP
TUNING-DOWN
PRESET-DOWN
PRESET-UP
TAPE
DIRECT
STEREO
SURROUND
THX
DSP-DOWNDSP-UP
FM-MODE MEMORY
Q7501
Q7501
GND
VBJ
VAJ
HP
E
G
ND
HPR
H
PL
HPDET
HPR
HPE
HPL
GND
GND
GND
+5.6S
+12V
SUBREQ
MAINSCK
MAINSO
SUBSO
232TX
232RX
VSYNC
VDCL
SUBRES
VDDA
REMIN
OSDCS
OSDCL
OSDDA
ISS
SYNC
MAINREQ
SUBPOFF
RI
VDST
GND
TXD1
RTS1
VDD
CLK1
RXD1
CNVSS
RESET
S7591
S7590 S7589
S7588
S7587
S7586 S7585 S7584 S7583
S7582
S7544
DIMPWM
NETTX
NETRX
J7300
J7265
J7293
J7301
J7258
J7296
J7262
J7263
J7268
J7271
J7270
J7276
J7272
J7278
J7254
J7264
J7275
J7277
J7282
J7283
J7284
J7291
J7292
J7299
J7298
J7302
J7297
J7305
J7274
J7269
J7280
J7294
NET CD
TUNPHONO
J7225
J7295
J7289
J7290
J7286
J7245
J7246
J7247
J7251
J7252
J7243
J7288
J7287
JL7202A
J7222
J7227
J7228
J7229
J7230
J7231
J7248
J7205
JL7203A
J7208
J7214
J7213
J7223
J7224
J7203
J7206
J7210
J7209
J7221
J7235
J7234
J7233
J7226
J7211
J7207
J7218
J7217
J7266
J7219
J7259
J7256
J7239
J7238
J7237
J7285
J7250
J7253
J7220
J7241
J7304
J7279
J7273
J7215
J7240
J7216
J7212
J7303
J7242
J7244
J7260
J7257
J7249
J7236
J7267
J7261
J7204
+12V
AUDIO-SEL
GND
UPSAMPLING
PURE
STANDBY
STANBYSW
+5.6V
FLAC2
FLAC1
FLGND
-VP
J7232
COMPONENT SIDE
A
1
2
3
4
5
BCD
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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