Panasonic SA-HT740GCP Service Manual page 93

24 Terminal Function of ICs
24.1. IC2001 (MN101C49GHF1):
Micro-processor IC
Pin Terminal I/O
No. Name
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_ O DVD module power control
PCONT
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)
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
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 indicator_data (Tuner to Opecon)
(TU_ST)
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 I Rear M.Port detect
_DET
48 ASP_DA O ASP data (R2S15203FP)
49 ASP_CK O ASP clock (R2S15203FP)
Function
module change direction
Pin Terminal I/O
No. Name
50 MUTE_HP O
51 MP_SEL O
(SELECT
_A)
52 SUB_ O
LIMITER
53 VMUTE O
54 N.C -
55 WIDE_ O
SURR
56 CEC_OUT I
57 WS_EN I
58 AGC_SW -
59 REG1 I
60 MODEL I
_SEL1
61 MODEL I
_SEL2
62 HB_EN I
63 N.C -
64 MOD_DA O
65 HOP_DA O
(FHOP)
66 MUTE_ O
FSUB
67 N.C -
68 MUTE_SC O
69 LOAD I
(CAM_SW)
70 OPEN_SW I
71 PCONT O
72 N.C -
73 N.C -
74 N.C -
75 N.C -
76 N.C -
77 N.C -
78 N.C -
79 N.C -
80 N.C -
81 DC_DET I
82 DISC1_ O
LED
83 WS_LED O
84 N.C -
85 N.C -
86 N.C -
87 FLD_STB -
88 N.C -
89 FL_CK O
90 FL_DAT O
91 JOG_A I
92 JOG_B I
93 JOG_LED O
94 LOAD_ O
REV
95 VSS -
96 LOAD_ O
FWD
97 TURN_ O
FWD
98 TURN_ O
REW
99 N.C -
100 VDD -
93
Function
Headphone mute
Select front MPort or rear MPort
Subwoofer frequency Limiter
Video mute control
No connection
Surround Enhancer
Output port for HDMI
Surround Enhancer Enable
Connection GND via resistor
Speaker protection (For Latin America)
Model selector
Model selector
H.Bass enable (H=Enable, L=Disable)
No connection
Digital amplifier standby control
Digital Amp frequency hop control
Front_subwoofer mute
No connection
Surround_centre mute
UP_DOWN switch (RC1)
OPEN switch (RC1)
Relay power control (System)
No connection
No connection
No connection
No connection
No connection
No connection
No connection
No connection
No connection
DC detection (System)
Disc LED 1
Wide surround LED
No connection
No connection
No connection
FL driver strobe
No connection
FL driver clock
FL driver data
Volume jog signal A
Volume jog signal B
VOlume jog LED (For HT1040)
Loading motor control (Open_close-RC1)
-ve Power supply for D_A converter
Loading motor control (Open_close-RC1)
Tray motor control (Turn-RC1)
Tray motor control (Turn-RC1)
No connection
+ve Power supply for D_A converter
SA-HT740GCP