26
70GS-65S
1
2
3
4
567
R
Q
P
O
N
M
L
K
J
SCHEMA
TIC
DIAGRAM
OF
MOTHER
UNIT
(K7240NJA),
00
V
ersion.
Page 27
Page
24
(YA)
CN1285CE
A15
+5V
+3.3V
+3.3V
+3.3V
+5V
+3.3V
+16V
-16V
+5V
-16V
-16V
+16V
+16V
+5V
+5V
+5V
+5V
+3.3V
+5V
+8V
+5V
+3.3V
+5V
+5V
+8V
+5V
+5V
+25V
+3.3V
+5V
+5V
+5V
R
L
FV
NW-247 5
H.V.
27.5
KV
CRT GND
SOCKET
G2
11
12
12
13
13
GND
GND
LEDOPC
LED
SC2OUTR
SC2OUTL
SC1OUTR
SC1OUTL
D3
D4
D2
A12
D5
D1
D6
D0
D7
A0
A1
A2
OE
A3
A4
A7
A5
A6
A6
A5
SC2INL
A7
A4
A12
SC2INR
A3
A17
A15
A2
I2SIN
A18
A16
A1
SC1INL
I2SOUT
A0
I2SWS
SC1INR
I2SCL
H
SDA
SCL
A19
L/L'
BG/L
RS
D7
D6
D5
VS
D4
SC
A
L
D0
AV1
D1
AV2
D2
AV3
D3
HEADL
HE
A
D
R
MUTE
TLTX
T
SCL
SD
A
AGC
RES2
MUTE
RES2
HEADL
HEADR
PROT
VI1
SC4IN4P
SC4INL
CIN
VI2
SELV
SC4INL
SC4INA
SEL
V
FOCUS
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
IC304
M5218L
+1
2V
8
OUTL
7
-INL
6
+INL
5
GND
4
+I
N
R
3
-INR
2
OUTR
1
C351
220uF
(25V)
R208
R209
R350
10K
R353
150
R357
150
R358
100K
R361
10K
C350
100nF
C360
560pF
C375
560pF
R1039
100
D1001
PX0105
1
2
3
Q1002
2SC2412
Q1003
2SC2412
R1040
100
7
8
9
10
11
12
C361
470nF
(FZ)
Q303
2SC2412
C377
1uF
R360
10K
C369
100pF
R356
12K
C373
100nF
C367
100nF
R354
10K
R355
27K
C371
1nF
L316
3.3uH
(CF)
C378
220uF
(25V)
C379
100nF
L350
3.3uH
(CF)
C354
100pF
R352
12K
C353
100nF
C359
4.7nF
C358
100nF
C356
330nF
C357
1nF
C362
2.2uF
L351
3.3uH
(CF)
C363
220uF
(25V)
L315
3.3uH
(CF)
C366
100nF
C365
220uF
(25V)
C364
100nF
IC301
TDA7480
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC302
TDA7480
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
C368
100nF
C374
4.7nF
C310
1nF
C309
1nF
C321
100nF
C331
100nF
L301
10uH
(DF)
C332
330uF
(10V)
C333
47pF
C334
5pF
C335
5pF
C330
47pF
C327
100nF
C326
10uF
(16V)
R323
100K
R318
100K
R321
100K
R322
100K
C325
330nF
C324
330nF
C323
330nF
C322
330nF
C314
10uF
(16V)
C313
10uF
(16V)
R320
100
R303
100
R302
100K
R301
100K
R304
100
R312
22K
R1038
100
R1037
4K7
C336
10nF
R316
390
R317
390
C338
100nF
R309
22K
R311
100K
C1026
10nF
R1046
1K8
C1014
100nF
R1045
8K2
Q1001
2SC2412
R1042
8K2
C1018
100nF
R1024
8K2
R1025
8K2
L201
12uH
(DF)
C376
470nF
L317
3.3uH
(DF)
R1036
4K7
R359
100K
R1027
10K
R306
100
R307
100
R315
100
C328
100nF
C329
47pF
C341
220nF
R308
100
C337
10nF
X301
B0203
18,432MHz
L352
P0278
L353
P0278
C380
47nF
Q304
2SA1037
R1053
100K
R1003
3K3
Q1006
2SC2412
R1043
8K2
R1054
100K
Q1007
2SC2412
R362
4K7
R363
4K7
R375
47K
Q306
2SC2412
Q305
2SC2412
R372
10K
R374
47K
C370
330nF
C372
2.2uF
D301
DX0551
R376
4K7
R1047
10K
Q1004
2SA1037
R314
100K
R313
1K
C320
1nF
R310
1K
C340
220nF
Q302
2SC2412
R319
100
C305
10uF
(16V)
C312
100nF
C343
10uF
C342
10uF
C306
10uF
(16V)
R1044
10K
C319
1nF
C339
100nF
R1049
10K
C1032
2.2uF
5
K
R1021
4K7
C352
100nF
D1009
DX0551
C1033
68nF
D302
7V5
EX0549
D303
7V5
EX0549
D304
7V5
EX0549
D305
7V5
EX0549
3
R1032
27K
C1005
100nF
C311
330uF
(10V)
C316
100nF
IC1001
ST10R272L
IX1686BM
ALE
EA
37
VDD
38
VSS
39
RPD
40
D0
41
D1
42
D2
43
D3
44
D4
45
A14
75
A13
74
A12
73
A11
72
A10
71
VSS
70
VDD
69
A9
68
A8
67
A7
66
A6
65
A5
64
A4
63
A3
62
A2
61
A1
60
A0
59
P0H.7
58
HOUT
57
RES2OUT
56
P2
.8
P6.7
89
P6.6
88
P6.5
87
P6.4
S
C
L2
86
P
6
.3
SELV
85
P6.2 SLW1
84
P6.1 SLW2
83
P6.0 SLW3
82
NMI
81
D5
46
D6
47
D7
48
VDD
49
VSS
50
SELFI
51
BG/L
52
L/L'
53
RESOUT
54
ROT OUT
55
A15
76
VSS
77
VDD
78
RSTIN
79
R
S
TOUT
80
IC305
MSP3400D
IX1837BM
AUD_CL_OUT
1
NC
2
NC
3
D_CTR_OUT1
4
D_CTR_OUT0
5
ADR_SEL
6
STBY
7
NC
8
SCL
9
SDA
10
I2SCL
11
I2SWS
12
I2SDAOUT
13
I2SDAIN
14
ADR_DA
15
ADR_WS
16
ADR_CL
17
DVSUP
18
DVSS
19
I2S_DA_IN2
20
NC
21
NC
22
NC
23
RESET
24
DAC_R
25
DAC_L
26
VREF2
27
DACM_R
28
DACM_L
29
NC
30
NC
31
NC
32
NC
64
XTAL_OUT
63
XTAL_IN
62
TESTIO1
61
60
ANA_IN-
59
58
AVSUP
57
AVSS
56
MONO_IN
55
VREFTOP
54
SC1_IN_R
53
SC1_IN_L
52
ASG1
51
SC2_IN_R
50
SC2_IN_L
49
ASG2
48
SC3_IN_R
47
SC3_IN_L
46
ASG4
45
SC4_IN_R
44
SC4_IN_L
43
AGND C
42
AHVSS
41
CAPL_M
40
AHVSU P
39
CAPL_A
38
SC1_OUT_L
37
SC1_OUT_R
36
VREF1
35
SC2_OUT_L
34
SC2_OUT_R
33
D1002
PX0105
1
2
3
R373
10K
R1005
4K7
C1028
100nF
D1003
DX0606
BAS85
C1031
10nF
C439
100pF
C440
100pF
J301
KJ0047C E
1
5
4
3
2
6
7
(SP)
GN0441CE
IC100 2
M27C801
IX1711BM
VPP
1
A16
2
A15
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
D7
21
E
22
A10
23
OE
24
A11
25
A9
26
A8
27
A13
28
A14
29
A17
30
A18
31
VCC
32
D0
13
D1
14
D2
15
VSS
16
D3
17
D4
18
D5
19
D6
20
C315
3.3uF
R351
27K
1
2
3
4
5
6
C427
JUMP-SMD
R1056
IC1005
PST529
.
2
.
1
.
3
C387
470pF
C386
470pF
R380
33.
R379
33.
R381
33.
R382
33.
C821
2,2uF
R466
1K
Q408
2SC2412
E
VEE
VSS
VDD
IC401
HEF4053
IX1602
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R468
33
R459
1K
R458
1K
R461
10K
D419
DX0551
C438
100pF
R465
10K
R467
33K
(TQ)
R445
100K
C432
1uF
(16V)
R448
220
C431
330nF
R447
220
C430
330nF
R449
75
(TQ)
C451
10nF
(HB)
L318
3.3uH
(DF)
C428
1nF
C429
1nF
J401
0015B
9
5
7
1
SCREEN
CRT
1
9
0
6
1
5
7
1
D1809
1N4004
DX0501
L1801
47uH
P0276BM
C1814
4.7nF
PB3DE472Z
(2KV)
R1839
10
R472
75
D426
FX0409
