Sony RCD-W222ES Service Manual page 79

• IC501 HD64F3064BFBL25 CD-R REC/PB CONTROL (CD-R BOARD)
Pin No. Pin Name
1 VCL
2 XCSCDR
3 to 5 NU
6 XRSTRFP
7 XREQI
8 XRDYO
9 XRSTCDR
10 FEW
11 VSS
12 SDATAO
13 SDATAO(HOST)
14 SDATAI(PROM)
15 SDATAI(HOST)
16 SCLKO
17 SUB_SYNC
18 RSBETA
19,20 NU
21 MIRR/XRC
22 VSS
23 AGCON
24 XRW/R
25 VRDSW
26 VWDSW
27 to 34 D8 to D15
35 VCC
36 to 43 A0 to A7
44 VSS
45 to 56 A8 to A19
57 VSS
58 NU
59 CS
60 XLAT
61 ATIPSYNC
62 XSTBY
63 XREST
64 XP.DOWN
65 VSS
66 EXTAL
67 XTAL
68 VCC
69 XAS
70 XRD
71 XHWR
72 XLWR
73 MD0 (H)
74 MD1 (L)
75 MD2
76 AVCC
77 AVREF
78 KEY
79 BCENT
I/O
— Not used (Connected to ground with capacitor)
O Chip select signal output to LC89587-UK1-E
I Not used (pull up)
O Reset signal output to AK8567
I Data REQ signal input from uPD703033AYGF
O RDY signal output to uPD703033AYGF
O Reset signal output to LC89587-UK1-E
I Write enable signal input
— Ground
O Serial data output to AK8567 and EEPROM
O Serial data output to uPD703033AYGF
I Serial data input from EEPROM
I Serial data input from uPD703033AYGF
O Serial clock output to AK8567 and EEPROM
I Sub sync signal input from LC89587-UK1-E
O Reset signal output to AK8567
— Not used (pull up)
O Mirror signal output
— Ground
O AGC enable signal output to AK8567
O CD-RW/CD-R select signal output to AK8567
O Read LD control signal output to AK8567
O Write LD control signal output to AK8567
I/O System data input/output to LC89587-UK1-E
— Power supply (+5V)
O Address output to LC89587-UK1-E
— Ground
O Not used (pull up)
— Ground
I Not used (pull up)
O Chip select signal output to EEPROM
O Latch signal output to AK8567
I ATIP sync signal input from LC89587-UK1-E
I Not used (pull up)
I System reset input
I AC cut (power down) signal input
— Ground
I Crystal oscillator input (20MHz)
O Crystal oscillator output (20MHz)
— Power supply (+5V)
O Not used (pull up)
O Data read signal output to LC89587-UK1-E
O Data write signal output to LC89587-UK1-E
O Not used (pull up)
I Mode selector (high) input
I Mode selector (low) input
I Mode selector (high) input
— Power supply (+5V)
I A/D reference voltage input (+5V)
I Key scan input
I Center signal input from AK8567
RCD-W222ES
Description
79