Sony SCD-C222ES - Es Series 5 Disc, Service Manual

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77
SCD-C222ES
•
MAIN BOARD IC902 CXD1095BR (I/O EXPANDER)
Pin No. Pin Name I/O Description
1 MUT CD O Muting on/off control signal output to the CXD3068Q (IC509) “L”: muting on
2 MUT 2D O Muting control signal output to the BA5983FP (IC502)
3 MUT LOAD O Muting control signal output to the BA5912AFP (IC512)
4 SP ON O Muting control signal output to the BA5912AFP (IC512)
5 PB5 — Not used (open)
6 TBLL O Table motor drive signal (counterclockwise direction) output to the BA6780 (IC11)
7 TBLR O Table motor drive signal (clockwise direction) output to the BA6780 (IC11)
8 VSS — Ground terminal (digital system)
9 PC0 — Not used (open)
10 D SENS I Disc status detection signal input from the disc sensor (D11)
11, 12 S1, S2 I Disc tray position detection signal input from the table address detect (S200)
13 LOAD OUT O Loading motor drive signal (loading out direction) output to the BA6780 (IC11)
14 PC5 — Not used (open)
15 LOAD IN O Loading motor drive signal (loading in direction) output to the BA6780 (IC11)
16 A1OUT O Sircs remote control signal output of the CONTROL A1II (J381)
17 NC — Not used (open)
18 RST DSD O Reset signal output to the DSD decoder (IC801) and CXD9647R (IC803) “L”: reset
19
RST DP
O
Reset signal output to the MSM9202 (IC801) “L”: reset
20
RST DVD
O
Reset signal output to the CXD1882R (IC701) “L”: reset
21
RST CD
O
Reset signal output to the CXD3068Q (IC509) “L”: reset
22 VMOD O
Power on/off control signal output for modulation circuit on optical pick-up block
“L”: power off, “H”: power on
23 VSS — Ground terminal (digital system)
24 VDD — Power supply terminal (+3.3V) (digital system)
25 MULTI O Multi/2ch selection signal output “L”: 2ch, “H”: multi
26 SDEN O Serial data enable signal output to CXD1881R (IC001)
27 ISBTEST O Output terminal for disc inspection mode to DSD decoder (IC801)
28 to 30 D0 to D2 I/O Two-way data bus with the CXD1882R (IC701) and the CPU (IC901)
31, 32 NC — Not used (open)
33 to 37 D3 to D7 I/O Two-way data bus with the CXD1882R (IC701) and the CPU (IC901)
38 XCLR I Clear signal input terminal Not used (fixed at “H”)
39 XDIS I Reset signal input from the CPU (IC901) “L”: reset
40 VSS — Ground terminal (digital system)
41 XWR I Write strobe signal input from the CPU (IC901)
42 XRD I Read strobe signal input from the CPU (IC901)
43 XCS I Chip select signal input from the CPU (IC901)
44 to 46 A0 to A2 I Address signal input from the CPU (IC901)
47, 48
PE0, PE1
—
Not used (open)
49
NC
—
Not used (open)
50
PE2
—
Not used (open)
51
CDMODESEL
O
CD mode selection signal output to the CXD9647R (IC803)
52
HDMODESEL
O
HD mode selection signal output to the CXD9647R (IC803)
53
XZLAT
O
Serial data latch pulse signal output to the CXD9647R (IC803)
54
CD SACD
O
SACD/CD mode selection signal output terminal Not used
55
VSS
—
Ground terminal (digital system)