Terminal Function Of Ics - Panasonic SA-HT855E Service Manual

23 Terminal Function of ICs

23.1. IC2018 (C2CBYY000196):
Operation CPU
Pin Terminal Name I_O
No.
1 AVSS - Power supply for A/D converter
2 KEY1 I Key 1 line input
3 KEY2 I Key 2 line input
4 DES1 I Tuner region setting
5 DES2 I Model code Digit 1
6 DES3 I DVD region setting
7 DISC SENSE I Disc sensor (RC1)
8 DES4 I Model code Digit 2
9 DES5 I Model code Digit 3
10 VREF+ - + Power supply for A/D converter
11 VCC - Power supply (5V)
12 XOUT - Main clock output (8MHz)
13 XIN - Main clock input (8MHz)
14 VSS - GND (0V)
15 VSS - GND (0V)
16 N.C - No connection
17 VSS - GND (0V)
18 DVD_PCONT O DVD module power control
19 RF_DET I RF module detection - wireless ready
(WM_DET)
20 RF_LINK I RF link control - wireless ready
WM_LINK
21 RF_PCNT O RF power control
(WM_UNMUTE)
PX_DA I PX-FW2 data
22 N.C - No connection
23 EDA I/O EEPROM data
24 ECK O EEPROM clock
25 ECS O EEPROM latch
26 RMT I REMOCON input
27 HOTPLUG I HDMI interrupt 1
28 CEC_IN I HDMI interrupt 2
29 POS_SW I Position sensor (RC1)
30 PULSE I Pulse sensor speed detection
(RC1)
31 SYNC I AC failure detect input
32 VSS - GND (0V)
VPP - Power supply (Flash Micom only)
33 RESET I System reset / PX-FW2 reset
34 PWM O Pulse width modulation (RC1)
35 AM_BP O AM beat proof
36 TU_SCL O Tuner clock
(PLL_CK)
37 TU_SDA O Tuner data
(PLL_DA)
38 TU_SD I Tuner signal detect
39 ST/DO I Stereo
(TU_ST)
Opecon)
40 FM_DET I Tuner FM detect (Tuner to Opecon)
41 VPP - Power supply (Flash Micom only)
42 DVD_CMD O DVD Command (Opecon to syscon)
43 DVD_STA I DVD status (Syscon to Opecon)
44 DVD_CK I DVD clock (Syscon to Opecon)
45 MUTE_DVD I DVD mute (Syscon to Opecon)
46 CHG_DIR O Wireless
(ROLE_CH) (Tx_Rx)
47 RMPORT_DET I Rear M.Port detect
Function
indicator_data (Tuner to
module change direction
101
Pin Terminal Name I_O
No.
48 ASP_DA O ASP data (R2S15203FP)
49 ASP_CK O ASP clock (R2S15203FP)
50 MUTE_HP O Headphone mute
51 MP_SEL O Select front MPort or rear MPort
(SELECT_A)
52 SUB_LIMITER O Subwoofer frequency Limiter
53 VMUTE O Video mute control
54 N.C - No connection
55 WIDE_SURR O Surround Enhancer
56 CEC_OUT I Output port for HDMI
57 WS_EN I Surround Enhancer Enable
58 N.C - No connection
59 REG1 I Speaker protection (For Latin America)
60 MODEL_SEL1 I Model selector 1
61 MODEL_SEL2 I Model selector 2
62 HB_EN I H.Bass enable (H=Enable, L=Disable)
63 N.C - No connection
64 MOD_DA O Digital amplifier standby control
65 HOP_DA (FHOP) O Digital Amp frequency hop control
66 MUTE_FSUB O Front / subwoofer mute
67 N.C - No connection
68 MUTE_SC O Surround / centre mute
69 LOAD (CAM_SW) I UP / DOWN switch (RC1)
70 OPEN_SW I OPEN switch (RC1)
71 PCONT O Relay power control (System)
72 N.C - No connection
73 N.C - No connection
74 N.C - No connection
75 N.C - No connection
76 N.C - No connection
77 N.C - No connection
78 N.C - No connection
79 N.C - No connection
80 N.C - No connection
81 DC_DET I DC detection (System)
82 DISC1_ O Disc LED 1
LED
83 WS_LED O Wide surround LED
84 N.C - No connection
85 N.C - No connection
86 N.C - No connection
87 FLD_STB - FL driver strobe
88 N.C - No connection
89 FL_CK O FL driver clock
90 FL_DAT O FL driver data
91 JOG_A I Volume jog signal A
92 JOG_B I Volume jog signal B
93 JOG_LED O VOlume jog LED
94 LOAD_ O Loading motor control (Open_close-
REV RC1)
95 VSS - -ve Power supply for D/A converter
96 LOAD_ O Loading motor control (Open_close-
FWD RC1)
97 TURN_ O Tray motor control (Turn-RC1)
FWD
98 TURN_ O Tray motor control (Turn-RC1)
REW
99 N.C - No connection
100 VDD - +ve Power supply for D_A converter
SA-HT855E / SA-HT855EB / SA-HT855EG
Function