Panasonic SC-TM900DVD, Service Manual

Page: 136 / 204

Pin No. Mark I/O Function
1 ST_SW I Stock Switch of Changer
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 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 VSS (GND)
9 CNVSS/EFP_CNVSS - FLASH MODE TERMINAL
(Connected to Ground) via
10 k
Ω
10 XCIN - SUB CLOCK INPUT
(32.768 kHz)
11 XCOUT - SUB CLOCK OUTPUT
(32.768 kHz)
12 RESET/ERP_RESET I SYSTEM RESET INPUT
(ACTIVE L)
13 XOUT - MAIN CLOCK OUTPUT
(10 MHz)
14 VSS - GND (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 UP/DOWN F O Changer Motor 2 Forward
Control
24 S.Surr IC_CLK O Clock signal for super
surround IC
25 S.Surr IC_DAT O Data signal for super
surround IC
26 PLL_CE O PLL Chip Select
27 TU-SD I SIGNAL DET Input from
Tuner
28 TU_ST/DO I Tuner IF Data/Stereo Input
29 PLL_DA O PLL DATA - DI INPUT of
Tuner
30 PLL_CK O Clock Signal for the PLL
Tuner
31 EFP_TxD1 O Transmit signal for flash
micro-p
32 EFP_RxD1 O Receive signal for flash
micro-p
33 EFP_SCLK O Clock signal for flash micro-
p
34 EFP_BUSY O Busy signal for flash micro-p
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 EDA O/I DATA Signal for the
EEPROM
Pin No. Mark I/O Function
39 ECLK O CLOCK Signal for the
EEPROM
40 ECS O CHIP SELECT Signal for
the EEPROM
41 EFP_EPM O For Flash
42 FLD_RST O Reset Signal for the FL
DRIVER
43 FLD_CS O Latch Signal for the FL
DRIVER
44 FLD_DA O Data input for the FL
DRIVER
45 FLD_CK O Clock Signal for the FL
DRIVER
46 EFP_CE O For Flash
47 Wide1 O S-Video output control
48 ASP_DA O DATA signal for 6ch VOL
ASP
49 ASP_CK O CLOCK signal for 6ch VOL
ASP
50 DVD_MUTE I Signal from DVD module
control mute circuit
51 DivX_EN I DivX_EN
52 KA_LAT O Karaoke Latch
53 KA_DAT O Karaoke Data
54 KA_CLK O Karaoke Clock
55 MUTE_L O Mute control of Line Out
56 MUTE_H O HIC MUTE
57 HP_MUTE O Head Phone Mute signal
58 MUTE_C O Port for Mute control of
Center
59 MUTE_SR O Port for Mute Control of
SL/SR
60 SUB_MUTE O Subwoofer Mute Signal
61 MUTE_A O Mute Control for FL/FR
62 VCC - Power Supply 5.0V
63 N.C. - No Connection
64 VSS - Ground (0V)
65 SP_A O Control Speana IC’s port A
66 SP_B O Control Speana IC’s port B
67 SP_C O Control Speana IC’s port C
68 DVD_PCT O Control Signal for the Power
for the DVD MODULE
69 DC_DET I Signal from the DC
Detection circuit
70 PCONT O Control Signal for the Power
Control Relay
71 REC O Deck Recording Control
(Recording = L)
72 Half1 I Half switch signal from
DECK1
73 Mode1 I Mode switch signal from
DECK1
(L=OFF; H=ON)
74 MOTOR O Deck Motor Control
(L=OFF; H=ON)
75 JOG_B I Signal B from Volume JOG
76 JOG_A I Signal A from Volume JOG
77 DMT O Deck Mute at mecha
Transition
(L=Mute Off; H=MUTE On)
78 DECK1_H I Stock Switch of Changer
79 PLUNGER 1 O Deck 1 Plunger Control
(L=OFF; H=ON)
80 PLUNGER 2 O Deck 2 Plunger Control
(L=OFF; H=ON)
25 Terminal Function of IC
25.1. IC2818 (C2CBJG000653) System Microprocessor
136