Panasonic SA-HT935EE, Service Manual

Page: 70 / 105

26.1. IC2018 (MN101C49GHB):
Operation CPU
Pin
No.
Terminal
Name
I/O Function
1 AVSS - Power supply for A/D converter
2 KEY1 I Key 1 line input
3 DES1 I Tuner region setting signal input
4 DES2 I Model select signal input
5 DES3 I DVD region setting signal input
6 KEY2 I Key 2 line input
7 DISC SENSE I Disc sensor signal input
8 N.C - No connecting (GND)
9 N.C - No connecting (GND)
10 AVCC - + Power supply for A/D converter
11 VCC - Power supply terminal (5V)
12 XOUT - Main clock output (8.0MHz)
13 XIN - Main clock input (8.0MHz)
14 VSS - GND
15 XI - GND
16 XO - Not used, open
17 MMOD - GND
18 DVD CMD O DVD command signal output
19 DVD STA I DVD status signal input
20 DVD CK I DVD clock signal input
21 FLD RST O FL Driver Reset signal output
22 SBI2 - No connection (OPEN)
23 EDA I/O EEPROM data in/output
24 ECK O EEPROM clock output
25 ECS O EEPROM latch output
26 RMT I Remote control input
27 LOAD I UP/DOWN switch signal input
28 OPEN SW I Rotary tray OPEN switch signal input
29 POS SW I Position detection sensor signal input
30 PULSE I Speed detection sensor signal input
31 SYNC I AC failure detection input
32 VPP - Power supply for Flash
33 RESET I System reset signal input
34 PWM O Pulse width modulation output for the
changer
35 WIDE1 - Not used
36 N.C - Not used
37 MUTE_S O Mute signal output for surround Audio
signal
38 MUTE_
DVD
I Signal output from DVD module control
mute circuit
39 ASP_DA O ASP data output
40 ASP_CK O ASP clock output
41 VPP - Power supply for Flash
42 SS_DATA O Surround data output
43 MUTE_C O Mute signal output for Center speaker
44 SS_CLK O Surround clock output
45 N.C - Not used, open
46 DSP_CS - Not used, open
47 N.C - Not used, open
48 N.C - Not used
49 SURR FC2 - Surround Frequency Limiter
50 N.C - Not used, open
51 MUTE F O Mute signal output for Front speaker
52 MUTE SW O Mute signal output for Subwoofer
53 N.C - Not used, open
54 N.C - Not used, open
55 MUTE L O Mute signal output for the line output
56 N.C - Not used, open
57 N.C - Not used, open
58 N.C - Not used, open
Pin
No.
Terminal
Name
I/O Function
59 MUTE_HP O Mute signal output for Headphone
60 N.C - Not used
61 TU_SD I Tuner signal detect input
62 TU_ST/DO I Stereo indicator from Tuner/ DO output
of Tuner IC
63 TU_SCL (PLL
CK)
O Clock output for Tuner
64 TU_SDA
(PLL DA)
O Data output for Tuner
65 FM_DET I Tuner FM detect signal input
66 RF_DET I RF detect input (Wireless ready)
67 RF_ LINK I RF power control input (Wireless ready)
68 DVD_
PCNT
O Control signal output for the power for the
DVD module
69 N.C - Not used, open
70 PCONT O Control signal output for the power
control relay
71 MUTE_H O Mute signal output for HIC amplifier
72 DC_DET I DC detection signal input
73 HB_MUTE O Mute signal output for Harmonic bass
74 N.C - Not used, open
75 JOG_B I Volume jog B signal input
76 JOG_A I Volume jog A signal input
77 JOG_LED O Volume Jog LED control signal output
78 RF_
PCONT
O Control signal output for the RF power
79 N.C - Not used, open
80 N.C - Not used, open
81 N.C - Not used, open
82 DISC5_
LED
O Disc 5 LED control signal output
83 DISC4_
LED
O Disc 4 LED control signal output
84 DISC3_
LED
O Disc 3 LED control signal output
85 DISC2_
LED
O Disc 2 LED control signal output
86 DISC1_
LED
O Disc 1 LED control signal output
87 N.C - Not used
88 N.C - Not used, open
89 N.C - Not used, open
90 N.C - Not used, open
91 FL_CS O FL driver latch output
92 FL_CK O FL driver clock output
93 FL_DAT O Data input for the FL driver
94 LOAD_
REV
O Reverse control signal output for
OPEN/CLOSE motor
95 VSS - Power supply for D/A converter (GND)
96 LOAD_
FWD
O Forward control signal output for
OPEN/CLOSE motor
97 TURN_
FWD
O Forward control signal output for turn
motor
98 TURN_
REW
O Reverse control signal output for turn
motor
99 NC - Not used, open
100 VDD - + Power supply for D/A converter
26 Terminal Function of ICs
70
SA-HT935EE