JVC XM-R700SL Service Manual page 31

HD6433048SV67X (IC501) : CPU
1. Pin layout
2. Pin function
Pin
Symbol I/O Pin function
No.
1 VCC - Power supply terminal
2 XRST2 O RF reset
3 SWDT2 O Data output for RF
4 SCLK2 O Clock output for RF
5 XLAT2 O Latch output for RF
6 RECP O Rec power
7 TX O Permission of recorded data output
8 XRST O LSI reset output
9 XLAT O Latch output
10 RESO - Non use
11 VSS - Ground
12 RMTX O Status output to remote control
13 SWDT O CXA2652 data output
14 RMRX I Command input from remote control
15 SRDT I CXA2652 data input
16 RFOFF O RF power ON/OFF control
17 SCLK O CDXA2652 serial clock
18 RFVCTL O RF ON sub signal output
19 LDON O Laser output
20 MHON O Magnetic head driver ON/OFF
21 SLOFF O Sled control power supply
22 GND - Ground
23 PS O 4CH, CLV driver power save
24 - - Non use
25 MM+ O Magnetic head UP signal output
26 MM- O Magnetic head DOWN signal output
27 SSTOP I Sled rest position detection input
28 MREF I Reflex ratio select switch input
29 MPROT I Write prohibition switch input
30 MHUP I Magnetic head position detection input
31 MHDN I Magnetic head position detection input
32 OPEN I OPEN/CLOSE detection
33 AC_XDC I AC/BATTERY select input
34 MWUP O LSI, Magnetic head driver power supply control
35 VCC - Power supply
36 FFCLR O FF clear of start circuit
37 ACB O Active bass control
38 L3LCK O Clock output for AD/DA
39 L3MODE O Mode setting for AD/DA
40 L3DATA I/O Data output for AD/DA
41 MUTE O Driver mute signal output
42 MICIN I Mic connect detection
43 OPTIN I Optical cable connect detection
44 GND - Ground
45 - - Non use
46 ADPWR/DIR O Power save control output of A/D section
47 PSW O Driver power supply control signal output
48 LCDDATA O Data output for LCD
49 LCDCLK O clock output for LCD
50 LCDLAT O Latch output for LCD
100 ~ 76
26 ~ 50
Pin
Symbol I/O Pin function
No.
51 DATA O Data output for Debag/Test mode
52 CLK O Clock output for Debag/Test mode
53 LAT O Latch output for Debag/Test mode
54 JOG+ I JOG pulse input
55 JOG- I JOG pulse input
56 - - Non use
57 GND - Ground
58 SYSCNY O 5V power supply control
59 CHRGE O Charge control signal
60 REMOFF O Power supply control for remote control
61 - Non use
62 STBY - Standby signal input terminal
63 RES - Reset signal input terminal
64 NMI - Power supply
65 VSS - Ground
66 EXTAL - X'tal osc. connect terminal
67 XTAL - X'tal osc. connect terminal
68 VCC - Power supply
69 CS2 O EEPROM2 chip select terminal
70 SCL O Clock for EEPROM
71 DI O Data output for EEPROM
72 CS O Chip select terminal for EEPROM1
73 MD0 - Power supply
74 MD1 - Power supply
75 MD2 - Power supply
76 AVCC - Power supply
77 VREF - Reference voltage
78 KEY1 I KEY 1 A/D
79 KEY2 I KEY 2 A/D
80 EXTBATT I A/D external battery voltage detect
81 BATTERY Battery leavings level detect
82 BATSTATUS I Supply voltage detect
83 TEMP I Temp. detect thermistor connect terminal
84 RPLY I Remote controller PLAY key input
85 HOLD I HOLD detection input
86 AVSS - Ground
87 XINT Squeeze request
88 DQSY I CXA2652 DQSY
89 SQSY I Sub code Q/Adip sync.
90 DOM/EXP I DO/EXP select setting input
91 MNT2 I LSI monitor signal input
92 GND - Ground
93 MNT0 I LSI monitor signal input
94 MNT1 I LSI monitor signal input
95 BEEP I/O BEED output
96 MNT3 I LSI monitor signal output
97 SENS I Connect to CXA2652 SENS terminal
98 DO I Data input for EEPROM
99 AC/DC O Chargeable battery select SW control
100 - - Non use
XM-R700SL
1-31