SONY CDXM3DI Repair Manual

CDX-M3DI/M1000TF
SECTION 4
DIAGRAMS
4-1. IC PIN DESCRIPTIONS
Y IC5 CXD9684R-005 (DSP) (SERVO Board (1/2))
Pin No.Pin NameI/OPin Description
1/RESETIReset signal input (L: reset)
2M IMDIMicrocomputer interface mode selection signal input (H: I2C, L: TSB) (Fixed at H)
3, 4AD0, AD1OExternal S-RAM address signal output 0, 1
5MIDIO (I2C_SDA)I/OSerial data input/output
6MICK (I2C_SCL)ISerial clock signal input
7AD2OExternal S-RAM address signal output 2
8VDDT (3.3V)NPower supply pin (+3.3 V) for digital circuit
9SDOOData output 0
10, 11AD3, AD4OExternal S-RAM address signal output 3, 4
12SDI0IData input 0
13BCKIAIBit clock signal input A
14LRCKIAILR clock signal input A
15AD5OExternal S-RAM address signal output 5
16CEOExternal S-RAM chip enable signal output
17OEOExternal S-RAM output enable signal output
18VDD (2.5V)NPower supply pin (+2.5 V) for digital circuit
19STANDBYIStandby mode control signal input (H: STB, L: normal)
20VSS (2.5GND)NGround for digital circuit
21VSSL (2.5GND)NGround for DAC L-ch
22VRALNReference voltage pin for DAC L-ch
23LOODAC L-ch signal output (Open)
24VDAL (2.5V)NPower supply pin (+2.5 V) for DAC L-ch
25VDAR (2.5V)NPower supply pin (+2.5 V) for DAC R-ch
26ROODAC R-ch signal output (Open)
27VRARNReference voltage pin for DAC R-ch
28VSSR (2.5GND)NGround for DAC R-ch
29TESTPITest pin (H: test mode, L: normal) (Fixed at L)
30CKSIVCO selection signal input (H: VCO, L: X1 input) (Fixed at H)
31 to 34AD12 to AD9OExternal S-RAM address signal output 12 to 9
35VDDT (3.3V)NPower supply pin (+3.3 V) for digital circuit
36 to 38AD8 to AD6OExternal S-RAM address signal output 8 to 6
39REQOInterrupt request signal output for CD master control IC
40VSSNGround for digital circuit
41, 42AD13, AD14OExternal S-RAM address signal output 13, 14
43WROExternal S-RAM write signal output
44, 45AD16, AD15OExternal S-RAM address signal output 16, 15
46, 47IO0, IO1I/OExternal S-RAM data input/output 0, 1
48VSSNGround for digital circuit
49 to 51IO2 to IO4I/OExternal S-RAM data input/output 2 to 4
52VDD (2.5V)NPower supply pin (+2.5 V) for digital circuit
53 to 55IO5 to IO7I/OExternal S-RAM data input/output 5 to 7
56VSSPNGround for VCO circuit
57PDOOPLL phase error detection signal output
58VCOIIVCO control voltage input
59VDDPNPower supply pin (+2.5 V) for VCO circuit
60XRDEI/OExternal clock input/audio clock output (Open)
61VDDX (2.5V)NPower supply pin (+2.5 V) for oscillation circuit
62XIIResonator input
63XOOResonator output
64VSSXNGround for oscillation circuit
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