Panasonic SA-PM91DEE, Service Manual

Page: 126 / 148

25.1. IC2801(C2CBJG000573)
Microprocessor
Pin No. Mark I/O Function
1 ST_SW I Stock Switch Change
2 OP/CL_REV O Reverse control signal for
OPEN/ CLOSE motor
3 OP/CL_FWD O Forward control signal for
OPEN/ CLOSE Motor
4 OPEN_SW I Signal from Rotary tray OPEN
Switch
5 POSITION I Signal from of Position Detection
sensor
6 N.C. - No Connection
7 N.C. - No Connection
8 BYTE I External Data Bus Width Select
input
9 CNVSS - VSS (GND) [Pull to Gnd via
Resistor]
10 XCIN - SUB CLOCK INPUT
(32.768 kHz)
11 XCOUT - SUB CLOCK OUTPUT
(32.768 kHz)
12 RESET I SYSTEM RESET INPUT
13 XOUT - MAIN CLOCK OUTPUT (10
MHZ)
14 Vss - GNS (0V)
15 XIN - MAIN CLOCK INPUT (10 MHZ)
16 VCC - POWER SUPPLY (5V)
17 NMI I CONNECT TO VCC,
EXTERNAL INTERRUPT I/P
18 RMT I REMOCON INPUT
19 SYNC I AC FAILURE DETECT INPUT
20 Up/ Down R O Changer Motor 2 Reverse
Control
21 Change SW I Changer Change Switch
22 BOTTOM SW I CHANGER BOTTOM SWITCH
23 EDA I/O DATA signal for the EEPROM
24 ECLK O CLOCK signal for the EEPROM
25 ECS O LAT signal for the EEPROM
26 UP/ DOWN F O Changer Motor 2 Forward
Control
27 TU-TUNED I SIGNAL DET Input from Tuner
28 TU_ST/ DO I Stereo Indicator from Tuner/
DO-OUTPUT of Tuner IC
29 TU_SCL O Clock Signal for Tuner
30 TU_SDA I/O Data Signal for Tuner
31 N.C. - No Connection
32 N.C. - No Connection
33 N.C. - No Connection
34 N.C. - No Connection
35 DVD_CMD O CMD signal for the DVD Module
36 DVD_STA I STATUS signal from the DVD
module
37 DVD_CK I CLK signal for the DVD Module
38 HB_LVL O Harmonic Bass LEVEL Control
39 Progressive O Video Output Control for
Progressive
40 HB_MUTE O Harmonic Bass MUTE
41 EPM I For Flash
42 SUB MUTE O Subwoofer Mute Signal
43 MUTE_A O Mute Audio signal
44 DVD_MUTE I Signal fromDVD module control
mute circuit
45 RGBH O RGB video output control signal
46 VMIX_CTL O Control signal for the video
signal Mix
47 Wide1 O S-video output control
Pin No. Mark I/O Function
48 ASP_DA O DATA signal for 6ch VOL ASP
49 ASP_CK O CLOCK signal for 6ch VOL ASP
50 N.C. - No Connection
51 N.C. - No Connection
52 KA_LAT O Karaoke Latch
53 KA_DAT O Karaoke Data
54 KA_CLK O Karaoke Clock
55 Demo I DEMO detect Key
(H= Default On, L= Default Off)
56 N.C. - No Connection
57 N.C. - No Connection
58 N.C. - No Connection
59 N.C. - No Connection
60 N.C. - No Connection
61 N.C. - No Connection
62 VCC - POWER SUPPLY 5.0V
63 N.C. - No Connection
64 VSS - GND (0V)
65 HB_LED O Harmonic Bass LED Control
66 N.C. - No Connection
67 N.C. - No Connection
68 DVD_PCONT O Control Signal for the Power for
the DVD MODULE
69 N.C. - No Connection
70 PCONT O Control Signal for the Power
Control Relay
71 MUTE_H O HIC MUTE
72 DC DET I Signal from the DC Detection
circuit
73 RDS_CK I Clock signal for the RDS
decoder
74 RDS_DO I Data signal for the RDS decoder
75 JOG_B I Signal B from Volume JOG
76 JOG_A I Signal A from Volume JOG
77 MIC_SW I MIC Switch detection
78 REC O Deck Recording Control
(Recording= H)
79 PHOTO I Deck Photo Detection
80 DMT O Deck Mute at Mecha Transition
(L= Mute Off, H= Mute On)
81 BP O AM Beat proof 1
(L= BP1, H= BP2)
82 MOTOR O Deck Motor Control
(L= OFF, H=ON)
83 PLUNGER O Deck Plunger Control
(L=OFF, H=ON)
84 FLD_CK O Clock Signal for the FL Driver
85 FLD_DA O Data input for the FL Driver
86 LED O LED Control For dimmer
87 FLD_RST O Reset Signal for the FL Driver
88 FLD_CS O Latch Signal for the FL Driver
89 DECK_AD1 I Deck AD Input 1
90 DECK_AD2 I Deck AD Input 2
91 Key 3 I Key 3 line input
92 Key 2 I Key 2 line input
93 DES3 I REGION Setting for DVD
94 DES2 I REGION Setting for SYSTEM
95 DES1 I REGION Setting for TUNER
96 AVSS - ANALOG POWER SUPPLY
INPUT
97 KEY 1 I Key 1 line input
98 VREF - REFERENCE VOLTAGE INPUT
99 AVCC - ANALOG POWER SUPPLY
INPUT
100 PLAY_SW I Play Switch
25 Terminal Function of IC’s
126
SA-PM91DEE