Sony HCD-CP505 Service Manual page 79

• IC701 M30624MGN-A03FP Master Control (DIGITAL Board)
Pin No. Pin Name
1 (FLDT)
2 (FLCK)
3 (LEVEL – L)
4 (LEVEL – R)
5 —
6 —
7 —
8 BYTE
9 CNVSS
10 XIN–T
11 XOUT–T
12 S – RST
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 DQSY
19 P–DOWN
20 SQSY
21 (KB–CLK)
22 (KB–DATA)
23 I2C–BUSY
24 (A1–OUT)
25 XINT
26 (BEEP)
27 (XELT)
28 (I2C–POWER)
29 I2C–CLK
30 I2C–DAT
31 SWDT
32 SRDT
33 SCLK
34 (KB–CLK–CTL)
35 (CLIP-TX0)
36 (CLIP-RX0)
37 (CLIP-CLK0)
38 (MUTE)
39 (ADA–RESET)
40 (ADA–LATCH)
41 EPM
42 (CLIP–SEL)
43 —
44 PROTECT
45 EEP–CLK
46 CE
47 EEP–WP
48 XBUSY (MNT2)
49 OUT–SW
50 XLATCH
I/O
O Display tube S I/O output data (Not used)
O Display tube S I/O output clock (Not used)
O Level meter (L-ch) output (Not used)
O Level meter (R-ch) output (Not used)
— Not used
— Not used
— Not used
I Not used (Connected ground)
I Processor modes switching
I Sub clock input (32.768 kHz) (Not used)
O Sub clock output (32.768 kHz) (Not used)
I System reset input
O Main clock output (10 MHz)
— Ground terminal
I Main clock input (10 MHz)
I Power supply (3.3 V)
I Not used (Connected ground via resistor)
I DIGITAL-IN SYNC (DSP)*(REC) system
I Power-down detection input
I SUBQ (pit)/ADIP (MO) SYNC * PLAY system
I Keyboard clock input (Not used)
I Keyboard data input (Not used)
I IIC BUSY input (Not used)
O Control A1 output (Not used)
I XINT (DSP) input
O BEEP output (Not used)
O XELT (DSP) (Not used)
O IIC POWER (Not used)
I/O IIC communication clock
I/O IIC communication data
O DSP/(AD/DA) serial output
I DSP serial input
O DSP/(DA/AD) serial clock
O Keyboard clock ON/OFF (Not used)
O Not used
I Not used
O Not used
O Not used
O ADA RESET (Not used)
O ADA LATCH (Not used)
I Serial write (Connected ground via resistor)
O AD/clock for clip selection (Not used)
— Not used
I Protect input
O EEP CLI
I Serial write (Connected ground via resistor)
O EEP-ROM write prot4ct
I Monitor2 input (DSP)
I Loading position detection input
O DSP latch output
Description
HCD-CP505
79