Marantz SR7005 Service Manual page 54

Check the voltage (Red)
No.
1 1.2V
2 3.3V
3 1.8V
4 3.3V
5 +5V
6 3.3V
7 3.3V
8 1.0V
9 1.0V
10 3.3V
11 1.8V
12 3.3V
13 1.8V
14 1.8V
15 1.8V
16 +5V
Check the wave form (Blue)
No.
1 VOUTDE
2 VOUTHS
3 VOUTVS
4 VOUTCLK0
5 HRPCK
6 INPUTVCLK
7 INPUTHSN
8 HRDE
9 HRVSYNC
10 HRHSYNC
11 INPUTDE
12 INPUTVSN
13 RESETN.
14 D2+/D2-
15 D1+/D1-
16 D0+/D0-
17 CK+/CK-
18 HPD
19 DDC_SDA
20 DDC_SCL
21 RXD_2+
22 RXD_2-
No.
23 RXD_1+
24 RXD_1-
25 RXD_0+
26 RXD_0-
27 RXD_C+
28 RXD_C-
29 DDC CLK
30 DDC DATA
31 HPD
32 I2C CLK
33 I2C DATA
1TXPCK/1TXDE/
34
1TXHSYNC/1TXVSYNC
35 TXC-
36 TXC+
37 TX0-
38 TX0+
39 TX1-
40 TX1+
41 TX2-
42 TX2+
43 DDCSCL
44 DDCSDA
54