A 2. Block Diagram; Overall Connection Diagram (1/2) - Pioneer PDP-427CMX Service Manual

1
2. BLOCK DIAGRAM

2.1 OVERALL CONNECTION DIAGRAM (1/2)

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