72GF-66E
30
SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version.
(YA)
(YB)
1
2
1
2
1
2
3
12
3
1
2
3
1
2
3
1
2
3
4
O
UT L
GND
GND
OUT R
GND
OUT R
OUT L
OUT R
OUT L
GND
GND
IN CHROMA
GND
IN LUMA
LED OPC
OPC
LED
GND
+5V
1
2
3
4
5
6
IN
IN
+5V
G
MUTE
21
CN1285
+16V
+16
V
+5V
-1
6V
+5V
-16V
+16
V
+5V
-16V
+5V
-16V
+3.3V
+16
V
+5V
+3.3V
+5V
+3.3V
+5V
+5V
+5V
+8V
+5V
+5V
+3
3V
+5V
+8V
+5V
+25V
+5V
+3.3V
+5V
+3.3V
+3.3V
OPC LEDOPC
LED
SC2OUTR
SC2OUTL
SELV
SC1OUTR
D3
D4
D2
SC1OUTL
A12
D5
D1
D6
D0
A0
SC4INL
A1
SC4INR
A2
VI2
OE
A3
SC4INL
C
IN
SC4INR
A4
A7
A5
A6
SC3INR
A6
A5
SC2INL
A7
A4
A12
A3
SC2INR
A17
A
15
A2
I2SIN
A18
A
16
A1
SC1INL
I2SOUT
A0
I2SWS
SC1INR
I2SCL
H
SDA
SCL
L/L'
VI3
BG/L
D6 D5
VS
D4
FB
SELV
D0
AV1
D1
AV2
D2
AV3
D3
HEADL
HEADR
MUTE
SCL
SDA
AGC
RES2
VI1
MUTE
RES2
HEADL
HEADR
PROT
SC
TLTXT
SC3INL
GND
GND
SELFI
SELFI
D7
D7
RS
A19
C351 220uF
(25V)
R350 10K
R353 150
R357 150
R358 100K
R361
10K
C350 100nF
C360 560pF
C375 560pF
7
8
9
10
11
12
1
C361 470nF
(FZ)
Q303 2SC2412
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 10K
C353
100nF
C358 100nF
C356 3,3nF
C357
1nF
C362 2.2uF
L351 3.3uH
(CF)
C363 220uF
(25V)
L315 3.3uH
(CF)
C366 100nF
C365 220uF
(25V)
C364 100nF
C368 100nF
C321 100nF
L301 10uH
(DF)
C334 5pF
C335 5pF
C330 47pF
C327
100nF
C326 10uF
(16V)
R323 100K
R318 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
R1037
4K7
R309 22K
R311 100K
R1046 1K8
C1014 100nF
R1042 8K2
C1018 100nF
R1024
8K2
R1025
8K2
R528 100K
Q505 2SC2412
R205 390
R204
L201 12uH
(DF)
C376 470nF
R1036
4K7
R359 100K
R1027 10K
R306
100
R307
100
R315 100
C328 100nF
C329 47pF
C341 220nF
R308 100
C318 330nF
C317 330nF
X301 B0203
18,432MHz
R504 39K
R505 2K2
L352 P0278
L353
P0278
R373 10K
Q304 2SA1037
R1053 100K
Q1006 2SC2412
R1043
8K2
R1054 100K
Q1007
2SC2412
R362 4K7
R363 4K7
1
2
3
4
5
6
R375 47K
Q305
2SC2412
R372
10K
C372 2.2uF
D301
DX0551
R376 4K7
R1047
10K
Q1004 2SA1037
R314 100K
R313 1K
C320 1nF
R310
1K
C340
220nF
R319 100
C305 10uF
(16V)
C343 10uF
C342 10uF
C306 10uF
(16V)
R1044
10K
C319 1nF
C339 100nF
R1049
10K
R1021
4K7
D1009 DX0551
R1032
27K
R448 220
C431
330nF
R465 10K
R445 100K
C311
330uF
(10V)
C427
R467 33K
(TQ)
C
1001
10R272L
1686BM
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
P6.6
88
P6.5
87
P6.4 SCL2
86
P6.3 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
RSTOUT
80
(SS)
GN0341
(FV)
GN0241
(CC)
GN0241
(VS)
GN0341
(SP) GN0441CE
C451 10nF
(HB)
C359 4.7nF
(HB)
C374 4.7nF
(HB)
R1005
4K7
C377 10uF
(SB)
GN0685
(ST
)
GN0341
R1056
C432 1uF
(16V)
R439
100pF
R440 100pF
R468
33
C438 100pF
Q408 2SC2412
D419
DX0551
R461 100K
C821
2,2uF
E
VEE
VSS
VDD
IC401
HEF4053
IX1602
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C352 100nF
R447 220
C430 330nF
IC305
MSP3410
D
IX
1636BM
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_O
U
T
63
XTAL_IN
62
TESTI
O
1
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
AGNDC
42
AHVSS
41
CAPL_M
40
AHVSUP
39
CAPL_A
38
SC1_OUT_L
37
SC1_OUT_R
36
VREF1
35
SC2_OUT_L
34
SC2_OUT_R
33
IC304 M5218L
+12V
8
OUTL
7
-INL
6
+INL
5
GND
4
+INR
3
-INR
2
OUTR
1
R458
1K
R208 1K
R209 3K3
IC1002
M27C801
IX1787BM
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
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
R1040 100
C381 680nF
R377 33K
R378 33K
D303
7V5
EX0549
Q306
2SC2412
R321 100K
Q302 2SC2412
R1045
8K2
C1032 2.2uF
R466 1K
C331 100nF
C316
100nF
(HD) GN0341
R322 100K
C382 680nF
C370 3,3nF
R351 27K
R470
75
C383 10nF
R317
0
C337 470pF
C336 470pF
R316 0
R1003 3K3
C312
100nF
C333 47pF
R441 100pF
R374 47K
C310
1nF
C309
1nF
IC1005 PST5
29
2
2
1
1
3
3
C1028 100nF
C380 47nF
C332 330uF
(10V)
C1026 10nF
R459
1K
C338 100nF
Q1003 2SC2412
C1031 330MF
(6,3V)
D305
7V5
EX0549
D302
7V5
EX0549
C1005 100nF
D304
7V5
EX0549
C315 3.3uF
Q1002 2SC2412
C1033 68nF
-
2
8
R472 75
Q1001 2SC2412
11
12
13
13
12
1
2
3
4
5
6
7
R
Q
P
O
N
M
L
K
J
Page 31
Pag 28
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