Pioneer PDP-42MXE20, Service Manual

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PDP-427CMX
16
1 2 3 4
1 2 3 4
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 LEDCTL1
LEDCTL1 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.