Pioneer SVM-1000 Service Manual page 172

1
A
G
NOTE
MAIN ASSY
No. Name
1 SCRST
2 V+1R25D
RST
3
CONF_DONE
4
ARST
5
V+3R3D
6
7 VRST
8 CLK66M
9 DONE
10 FRST
V+1R4D
11
B
V+1R2D
12
CLK24M
13
14 CLK28M
15 V+1R8D
16 V+2R5D
17 VREF
18 CLK-33M
CLK-50M
19
CLK-27M
20
H
NOTE
SCPU ASSY
No. Name
V3R3
1
DCLK0
2
C
HSYNC
3
4 VSYNC
5 L/R
6 OUT DDEN
7 FPGA_RX
8 FPGA_SCK
SUB_CPU_INT
9
V3R3
10
GNDFL
11
12 PWRFL
13 GLED
14 VLED
U
NOTE
DIO2 ASSY
D
No. Name
1 SYNC_OUTPUT
2 CH3_DIGI_INPUT
V
NOTE
DIO1 ASSY
Name
No.
1 MIDI
2 V+5
3 V3R3
DIGI_4896_IN
4
5 DIGITAL_OUT
V
1/2
DIO1 ASSY
E
IC6505 (AD1895AYRS)
Pin No. Voltage (V) Pin No. Voltage (V)
1 15
2 - 16
3 17
4 IC6503 10 18
5 IC6503 11 19
6 20
7 3.33 21
8 0 22
9 0 23
10 0 24
11 0 25
12 0 26
13 3.34 27
14 0 28
F
172
1
2
V
1/2
DIO1 ASSY
IC6516 (AK4114VQ)
Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V)
3.332 1
1.259 2
3.326 3
- 4
3.3 5
3.335 6
3.302 7
- 8
2.549 9
3.311 10
1.396 11
1.189 12
- 13
- 14
1.82 15
1.822 16
1.261 17
- 18
- 19
- 20
21
22
23
24
Voltage (V)
3.29
V
1/2
DIO1 ASSY
-
IC6503 (AK4117VF)
3.3
- Pin No. Voltage (V) Pin No. Voltage (V)
1
3.28
2
-
- 3
- 4
- 5
6
3.32
7
0
- 8
9
0
10
5.09
11
12
Voltage (V)
V
2/2
DIO1 ASSY
-
1.61 IC6514 (TC74HCU04AF)
Pin No. Voltage (V) Pin No. Voltage (V)
1
2
3
4
Voltage (V)
- 5
5.11 6
7
3.31
0
-
V
2/2
DIO1 ASSY
IC6517 (AD1895AYRS)
Pin No. Voltage (V) Pin No. Voltage (V)
0 1
0 2
0 3
0 4
0 5
0 6
0 7
3.32 8
- 9
- 10
- 11
0 12
0 13
0 14
SVM-1000
2
3
1.62 25 -
0 26 -
1.62 27 -
0 28 -
1.62 29 -
0 30 -
1.62 31 5.12
0 32 -
0 33 3.33
0 34 3.33
3.33 35 3.33
0 36 0
3.31 37 0
0 38 3.33
0 39 1.2
- 40 1.2
0 41 3.33
0 42 1.62
0 43 3.33
0 44 1.61
3.3 45 3.33
0 46 1.62
3.31 47 3.33
- 48 1.62
1.2 13 0
3.3 14 -
1.62 15 0
0 16 0
1.63 17 -
3.3 18 3.33
0 19 3.33
0 20 -
3.3 21 0
- 22 3.3
- 23 3.3
0 24 0
0 8 -
5.11 9 -
0 10 -
5.11 11 -
- 12 -
- 13 -
0 14 5.12
NOTE : The following voltages were measured
at the point of the corresponding balloon number
in the schematic diagram and PCB diagram.
0 15 0
- 16 0
- 17 0
3.31 18 0
- 19 0
- 20 0
3.33 21 0
0 22 3.31
0 23 IC6516 28
0 24 IC6516 24
0 25 IC6516 26
0 26 3.33
3.3 27 3.32
0 28 0
3
4
Y
NOTE
USB1 ASSY
No. Name Voltage (V)
1 D+USB1
2 D-USB1
AA
NOTE
HAMP ASSY
No. Name Voltage (V)
1 V+5D
2 V-15A -15.24
HP_R-
3
HP_R+
4
HP_L-
5
6 HP_L+
7 V+15A
AA
HAMP ASSY
IC7404 (AK4382AVT)
Pin No. Voltage (V) Pin No. Voltage (V)
1 - 9
2 - 10
3 - 11
4 - 12
5 3.31 13
6 0 14
7 0 15
8 0 16
AA
HAMP ASSY
IC7406 (NJM5532AD)
Pin No. Voltage (V) Pin No. Voltage (V)
1 - 5
2 - 6
3 - 7
4 -15.26 8 15.06
AA
HAMP ASSY
IC7407 (NJM2068M)
Pin No. Voltage (V) Pin No. Voltage (V)
1 - 5
2 - 6
3 - 7
4 0 8 15.05
4
-
-
5.01
2.44
2.45
2.44
2.44
15
2.44
2.45
2.44
2.44
0
4.99
-
-
-
-
7.49
-
-
-