Sony CDX-F5000C Service Manual page 16

CDX-F5000C/F5005X
• IC501 MN101E01KDF (SYSTEM CONTROL) (MAIN BOARD (2/2))
Pin No. Pin Name
1 DAVDD
2 NCO
3 DAVSS
4 UNISO
5 UNISI
6 UNICKO
7 RETRA
8, 9 NCO
10 VDD1
11 MMOD
12 OSCOUT
13 OSCIN
14 VSS1
15 XIN
16 XOUT
17 VDD2
18 MOD1
19 RESET
20 RCIN1
21 ACCIN
22 TESTIN
23 TELATT
24 ATT
25 XKEYON
26 NCO
27 KEYACK
28 TU_ATTIN
29, 30 NCO
31 BUIN
32 CD_INTQ
33 CD_SO
34 CD_SI
35 CD_SCK
36 BUSON
37 SYSRST
38 CD_RFOK
39 CD_RST
40 CD_A0
41 CD_STB
42 CD_MUTE-R
43 CD_MUTE-L
44 CD_INSW
45 CD_SELFSW
46 CD_LM_LO
47 CD_LM_EJ
48 CD_DSW
49 CD_LIMIT
50 AMPATT
51 AREASEL2
52 AREASEL1
53 AREASEL0
16
I/O
— D/A converter power supply (+) pin (+3.3 V)
O Not used. (Open)
— D/A converter power supply (–) pin
O SONY BUS data signal output
I SONY BUS data signal input
O SONY BUS clock signal output
I Not used. (Open)
O Not used. (Open)
— Power supply pin (+3.3 V)
I Not used. (Fixed at L in this set)
O Main clock output (27 MHz)
I Main clock input (27 MHz)
— Ground
I Sub clock input (32.768 kHz)
O Sub clock output (32.768 kHz)
— Power supply pin (+3.3 V)
— Not used. (Fixed at H in this set)
I Microcomputer reset input
I Rotary commander SHIFT key input
I Accessory power supply detection input
I Test mode detection input
I Telephone attenuator detection input
O Audio mute control output
O Key power supply control output
O Not used. (Open)
I Key acknowledge detection input
I Mute zero cross detection input from tuner unit. (CDX-F5000C)
O Not used. (Open)
I Backup power supply detection input
I CD text pack synchronization signal input from CD servo IC.
O Serial data output to CD servo IC.
I Serial data input from CD servo IC.
O Serial clock output to CD servo IC.
O BUS ON control signal output
O System reset signal output
I RFOK signal input from CD servo IC.
O Reset signal output to CD servo IC.
O Command/parameter discrimination signal output to CD servo IC.
O Data strobe signal output to CD servo IC.
I Mute zero cross detection input (R-ch) from CD mechanism deck.
I Mute zero cross detection input (L-ch) from CD mechanism deck.
I Disc in switch detection input from CD mechanism deck.
I Self switch detection input from CD mechanism deck.
O Loading motor control output to CD mechanism deck. (Loading direction)
O Loading motor control output to CD mechanism deck. (Eject direction)
I Down switch detection input from CD mechanism deck.
I Limit switch detection input from CD mechanism deck.
O Not used. (Fixed at L in this set)
I Not used. (Open)
I Destination area initial setting input (Fixed at L in this set)
I Destination area initial setting input (L: CDX-F5000C, H: CDX-F5005X)
Pin Description