Panasonic SA-PM21PC, Service Manual

Page: 73 / 92

22.1. IC702 (MN6627953HB) Servo
processor/ Digital signal
processor/ Digital filter/ D/A
converter
Pin No. Mark I/O Function
1 EXT0 I/O Extend input/output port 0
2 EXT1 I/O Extend input/output port 1
3 EXT2 I/O Extend input/output port 2
4 PWMSEL I PWM output selection input
(L: Direct; H: Tri-State
5 SPOUT O Spindle driver output signal
6 SPPOL O Spindle driver output signal
7 TRVP O Spindle driver output signal
8 TRVM O Spindle driver output signal
9 TRVP2 O Traverse driver output signal
2 (+)
10 TRVM2 O Traverse driver output signal
2 (-)
11 TRP O Traverse driver output signal
(+)
12 TRM O Traverse driver output signal
(-)
13 FOP O Traverse driver output signal
(+)
14 FOM O Traverse driver output signal
(-)
15 IOVDD3 - I/O power supply 3
16 DVDD1 - Power supply 1 for digital
circuit
17 DVSS1 - Digital circuit GND 1
18 ADPVCC I Power voltage monitor.
Power voltage input
19 TEIN I DSP traverse error signal
input
20 FEIN I DSP focus error signal input
21 CEA I/O HPF-Amp capacitance
connection terminal
22 RFENV O RF envelope signal monitor
23 FEOUT O FE Amp output
24 FEN I FE Amp reversal input
25 TEN I TE Amp reversal input
26 TEOUT O TE Amp output
27 VREF O VREF output
28 PD I APC Amp input
29 LD O APC Amp output
30 E I Tracking input signal 1
31 F I Tracking input signal 2
32 D I Tracking input signal 4
33 B I Tracking input signal 2
34 C I Tracking input signal 3
35 A I Focus input signal 1
36 DCDET I Detection HPF capacitance
terminal
37 RFVDD - RF Amp power supply
38 RESERVE - AVSS2
Pin No. Mark I/O Function
39 RFOUT O RF Amp output
40 RFIN I AGC input
41 CAGC I/O AGC control terminal
42 ARFOUT O AGC output (Audio RF)
43 AVSS2 - Analog circuit GND 2
44 ARFIN I RF signal input
45 DSLF O DSL loop filter
46 IREF I I (current), Reference input
47 PLLF O PLL loop filter
48 PLLF0 O PLL loop filter
49 AVDD2 - Analog circuit power supply 2
50 OUTL O LCH output signal
51 AVSS1 - Audio output circuit GND 1
52 N.C. - No Connection
53 AVDD1 - Power supply 1 for analog
circuit
54 OUTR O RCH output signal
55 DVSS2 - Digital circuit GND 2
56 IOVDD1 - I/O power supply 1
57 DVDD2 - Power supply 2 for Digital
circuit
58 REGON I Laser diode control (H: ON)
59 IOMODE I I/O switching setting input
60 NTEST I Test mode setting input (H:
ON)
61 TX O Digital audio interface output
62 FLAG O Flag signal output
63 MCLK I Micro-P serial command CLK
64 MDATA I Micro-P serial command
DATA
65 MLD I Micro-P serial command
LOAD
66 STAT O Status signal output
67 BLKCK O Subcode block clock
68 NRST I LSI reset input (L: RESET)
69 DVSS3 - Digital circuit GND 3
70 X2 O Crystal oscillator circuit
output
71 X1 I Crystal oscillator circuit input
72 IOVDD2 I I/O power supply 2
73 DQSY O Pack signal output for CD-
Text data
74 TXTD O CD Text signal output
75 TXTCK I External clock signal input for
CD-Text register
76 GIO0 I/O General purpose input/output
Terminal 0
77 GIO1 I/O General purpose input/output
Terminal 1
78 GIO2 I/O General purpose input/output
Terminal 2
79 GOUT0 O General purpose output
Terminal 0
80 GOUT1 O General purpose output
Terminal 1
22 Terminal Function of IC´s
73
SA-PM21PC