PDP-427CMX
16
1234
1234
C
D
F
A
B
E
2. BLOCK DIAGRAM
2.1 OVERALL CONNECTION DIAGRAM (1/2)
PM
D+3.3
D+3.3
D+3.3
D.GND
D.GND
D.GND
COMM SLOT
ASSY
LED2 ASSY
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
PV
1
2
3
4
TM
SCL5
GND
VDD+3.3V
SDA5
AU-L
GND
AU-R
GND
SP_ALM
GND
MUTE
SCL7
SDA7
AU:SHIELD-WIRE
(1,3pin:shield)
1
2
3
4
5
6
7
8
9
FA
FB
FAN(1) FAN(2)
AU
AWW1221
CN9004
AKM1274
CN9003
AKM1274
FAN-CTL
GND
F-ALM
1
2
3
1
2
3
D+2.7
D+2.7
D+2.7
NC
D.GND
D.GND
D.GND
PN1 PN2
AXM1054
FAN(1&2)
"FAN" may be connected
to either "FA" or "FB"
MAIN ASSY
AWW1235
PDP-42MXE20
AWW1234
PDP-427CMX
CN9001
AKM1280
CN9008
AKM1279
CN9006
AKM1278
CN9007
AKM1277
CN9012
AKM1278
CN9501
AKM1275
FAN-CTL
GND
F-ALM
1.GND
3.P_ST_B
5.NC
7.NC
9.NC
11.NC
13.NC
15.NC
17.NC
19.GND
2.GND
4.MR_ST_B
6.MR_RXD
8.AC_DET_B
10.REQ
12.MR_TXD
14.STB_MUTE
16.VIS
18.FIELD
20.GND
CN8502 AD2
CN2101
AKM1294
1
2
3
4
5
6
7
1
2
3
4
5
6
1
2
3
4
5
6
7
REMIN
GND
RLS
GND
VDDM5V
VDDM3.3V
VDDM5V
VDDM3.3V
M+7V
D.GND
NC
NC
NC
NC
NC
COMM SLOT I/F ASSY
CN2301
KM200NA8L
AWW1224
AWW1222
CN9010,CN2302
CN9010
AKM1342
1
2
3
4
5
6
7
8
REMIN
LEDCTL1LEDCTL1
LEDCTL2 LEDCTL2
GND
RLS
GND
1
2
3
.
.
.
48
49
50
A+12
A.GND
A+6
A+6
A.GND
A.GND
NC
NC
101
102
103
.
.
.
123
124
125
1
2
3
.
.
.
23
24
25
101
102
103
.
.
.
123
124
125
1
2
3
.
.
.
23
24
25
2
4
6
.
.
.
36
38
40
1
3
5
.
.
.
35
37
39
2
4
6
.
.
.
16
18
20
1
3
5
.
.
.
15
17
19
2
4
6
.
.
.
16
18
20
1
3
5
.
.
.
15
17
19
1
2
3
.
.
.
47
48
49
52
53
54
.
.
.
60
61
62
65
66
67
.
.
.
94
95
96
1
2
3
.
.
.
48
49
50
1
2
3
.
.
.
48
49
50
1
2
3
.
.
.
48
49
50
1
2
3
.
.
.
48
49
50
1
2
3
.
.
.
48
49
50
101
102
103
.
.
.
147
148
149
152
153
154
.
.
.
160
161
162
165
166
167
.
.
.
194
195
196
CN4006
Card edge
connector
CN4006
AKP1251
CN4004 AKM1345 CN4003 AKM1345 CN4002 AKM1345
CN4005 AKM1343
CN5010
AKM1343
CN6301 AKM1345
CN5301 AKM1345 CN6302 AKM1345
CN4002
→
CN6301
1.→50.VD
2.→49.HD
3.→48.DE
4.→47.CLK
5.→46.GND
6.→45.RB0
7.→44.GND
8.→43.BA7
9.→42.GND
10.→41.RB1
11.→40.GND
12.→39.BA6
13.→38.GND
14.→37.RB2
15.→39.GND
16.→35.BA5
17.→34.GND
18.→33.RB3
19.→32.GND
20.→31.BA4
21.→30.GND
22.→29.RB4
23.→28.GND
24.→27.BA3
25.→26.GND
26.→25.RB5
27.→24.GND
28.→23.BA2
29.→22.GND
30.→21.RB6
31.→10.GND
32.→19.BA1
33.→18.GND
34.→17.RB7
35.→16.GND
36.→15.BA0
37.→14.GND
38.→13.GB0
39.→12.GND
40.→11.GB1
41.→10.GND
42.→ 9.GB1
43.→ 8.GND
44.→ 7.GA6
45.→ 6.GND
46.→ 5.GB2.
47. 4.GND
48.→ 3.GA5
49.→ 2.GND
50.→ 1.GB3
CN4003
→
CN6302
1.→50.GA4
2.→49.GND
3.→48.GB4
4.→47.GND
5.→46.GA3
6.→45.GND
7.→44.GB5
8.→43.GND
9.→42.GA2
10.→41.GND
11.→40.GB6
12.→39.GND
13.→38.GA1
14.→37.GND
15.→39.GB7
16.→35.GND
17.→34.GA0
18.→33.GND
19.→32.BB0
20.→31.GND
21.→30.RA7
22.→29.GND
23.→28.BB1
24.→27.GND
25.→26.RA6
26.→25.GND
27.→24.BB2
28.→23.GND
29.→22.RA5
30.→21.GND
31.→10.BB3
32.→19.GND
33.→18.RA4
34.→17.GND
35.→16.BB4
36.→15.GND
37.→14.RA3
38.→13.GND
39.→12.BB5
40.→11.GND
41.→10.RA2
42.→ 9.GND
43. →8.BB6
44. →7.GND
45. →6.RA1
46. →5.GND
47. →4.BB7
48. →3.GND
49. →2.RA0
50. →1.GND
CN4004
→
CN5301
1.←50.VDDM3.3V
2.→49.NC
3.→48.NC
4.→47.KEY
5.→46.GND
6.→45.GET_UART
7.→44.TXD_CARD
8.→43.FIRST_RXD
9.→42.RXD_CARD
10.→41.INT_EXT
11.→40.GND
12.→39.RESETX1
13.→38.SLOT_ST3
14.→37.SD_SEL
15.→39.SOUND2
16.→35.FNC3
17.→34.FNC2
18.→33.SOUND1
19.→32.GND
20.→31.IN5_VD
21.→30.IN5_HD
22.→29.GND
23.→28.HYOUJI_X
24.→27.GPC3
25.→26.GPC1
26.→25.GPC4
27.→24.GPC2
28.→23.GPC5
29.→22.GND
30.→21.VYOBI1
31.→10.VYOBI2
32.→19.GND
33.→18.DSUBSW_DET
34.→17.G4G
35.→16.FNC0
36.→15.IR
37.→14.SLOT_ST2
38.→13.FNC1
39.→12.S_DIN_SEL
40.→11.SLOT_ST1
41.→10.IN4_DET
42. →9.GND
43. →8.SDA_VS
44. →7.SCL_VS
45. →6.SDA5
46. →5.SCL5
47. →4.GND
48. →3.VCC_DOWN1
49. →2.PNP_WR
50. →1.NC
1.GND
3.Y(G)ON_SYNC
5.GND
7.B(B-Y)
9.GND
11.R(R-Y)
13.GND
15.HD_SA
17.GND
19.VD_SA
2.NC
4.GND
6.MC
8.GND
10.NC
12.GND
14.AUDIO_R
16.GND
18.AUDIO_L
20.GND
CN5001, CN4005
CN2303,Card edge connector
1.NC
2.IRSW
3.IR_COMM_OUT
4.IR_COMM_IN
5.GND
6.GND
7.GND
8.CYOBI3
9.CYOBI2
10.CSL_ST2
11.CSL_ST1
14.GND
15.GND
16.FIRST_RXD
17.GET_UART
18.INT_EXT
19.RXD_CARD
20.TXD_CARD
21.GPC5
22.GPC4
23.GPC3
24.GPC2
25.GPC1
1.GND
3.G
5.B
7.R
9.HD_SA
11.VD_SA
13.AUDIO_L
15.AUDIO_R
17.SLOT_ST1
19.FNC1
21.V+3.3V
23.NC
25.HD_DET
27.VD
29.HD
31.GND
33.RB1
35.RB3
37.RB5
39.RB7
41.GND
43.GB1
45.GB3
47.GB5
49.GB7
53.GND
55.BB1
57.BB3
59.BB5
61.BB7
65.GND
67.KEY
69.TXD_CARD
71.INT_EXT
73.EMGREQ1_V
75.IC1V_OE
77.NC
79.FNC2
81.SOUND1
83.DSUBR
85.DSUBG
87.SDUBB
89.IN5_HD
91.GPC1
93.GPC5
95.VYOBI2
2.GND
4.GND
6.GND
8.GND
10.GND
12.GND
14.GND
16.GND
18.S_DIN_SEL
20.FNC0
22.V+3.3V
24.GND
26.GND
28.GND
30.GND
32.RB0
34.RB2
36.RB4
38.RB6
40.GND
42.GB0
44.GB2
46.GB4
48.GB6
52.GND
54.BB0
56.BB2
58.BB4
60.BB6
62.GND
66.GND
68.NC
70.RXD_CARD
72.NC
74.EMGREQ2_V
76.RESETX1
78.SD_SEL
80.FNC3
82.GND
84.GND
86.GND
88.GND
90.SOUSA_X
92.GPC2
94.VYOBI1
96.DSUNSW_DET
101.GND
103.GND
105.GND
107.GND
109.GND
111.GND
113.GND
115.V+13.5
117.IN4_DET
119.SLOT_ST2
121.NC
123.GND
125.3G4G
127.GND
129.GND
131.GND
133.BA6
135.BA4
137.BA2
139.BA0
141.GND
143.GA6
145.GA4
147.GA2
149.GA0
153.GND
155.RA6
157.RA4
159.RA2
161.RA0
165.GND
167.VSEPSCL
169.NC
171.FIRST_RXD
173.EMGREQ1_S
175.IC1S_OE
177.NC
179.SLOT_ST3
181.SOUND2
183.GND
185.GND
187.GND
189.IN5_VD
191.GPC3
193.NC
195.VYOBI5
102.GND
104.SCL_VS
106.SDA_VS
108.GND
110.V+12V
112.V+12V
114.V+3.3STB
116.V+13.5
118.IN3_DET
120.IR
122.NC
124.GND
126.IN5_DET
128.DE
130.CLK
132.BA7
134.BA5
136.BA3
138.BA1
140.GND
142.GA7
144.GA5
146.GA3
148.GA1
152.GND
154.RA7
156.RA5
158.RA3
160.RA1
162.GND
166.GND
168.VSEPSDA
170.GET_UART
172.NC
174.EMGREQ2_S
176.NC
178.NC
180.M_CHOICE
182.GND
184.DSUBH
186.DSUBV
188.GND
190.HYOUJI_X
192.GPC4
194.VYOBI4
196.VYOBI6
2
4
6
.
.
.
36
38
40
1
3
5
.
.
.
35
37
39
1.VCC_DOWN2
3.NC
5.NC
7.LEDCTL1
9.LEDCTL2
11.RLS
13.VDDM3.3V
15.VDDM5V
17.4G/5G
19.TXD2
21.PLE_CTL2
23.RXD2
25.PLE_CTL
27.STL_LINK
29.CB_MUTE
31.KEY
33.RXD
35.TXD
37.GND
39.GPC1
2.V+6.5V
4.CSL_ST1
6.REMIN
8.GND
10.CYOBI3
12.CYOBI2
14.CSL_ST2
16.VDDM3.3V
18.GND
20.VDDM5V
22.GND
24.FIRST_RXD
26.GET_UART
28.INT_EXT
30.RXD_GU
32.TXD_GU
34.GPC5
36.GPC4
38.GPC3
40.GPC2
101.NC
102.GND
103.GND
104.GND
105.TXD_PDP
106.RXD_PDP
107.KEY_COMM_IN
108.CB_MUTE
109.STL_LINK
110.GND
111.GND
114.V+6.5V
115.V+6.5V
116.GND
117.GND
118.VDDM3.3V
119.VDDM3.3V
120.VDDM5
121.APL_CTL1
122.APL_RXD
123.APL_CTL2
124.APL_TXD
125.SLT_Vrer
CN2303
AKP1252
CN2302
AKM1347
Card edge connector
ADX3262
ADX3268
ADX3283
ADX3274
ADD1342 ADD1342- ADD1342
÷
The > mark found on some component parts indicates the importance of the safety
factor of the part. Therefore, when replacing, be sure to use parts of identical
designation.
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