Panasonic SA-HT640WP, Service Manual

Page: 103 / 120

22.1. IC2001 (MN101C49GHG):
Micro-processor IC
Pin
No.
Terminal
Name
I/O Function
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
(WM_DET)
I RF module detection - wireless ready
20 RF_LINK /
WM_LINK
I RF link control - wireless ready
21 RF_PCNT
(WM_
UNMUTE)
O RF power control
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/VPP - GND (0V)
- 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
(PLL_CK)
O Tuner clock
37 TU_SDA
(PLL_DA)
O Tuner data
38 TU_SD I Tuner signal detect
39 ST/DO
(TU_ST)
I Stereo indicator / data (Tuner to 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
(ROLE_CH)
O Wireless module change direction
(Tx/Rx)
47 RMPORT_
DET
I Rear M.Port detect
48 ASP_DA O ASP data (R2S15203FP)
Pin
No.
Terminal
Name
I/O Function
49 ASP_CK O ASP clock (R2S15203FP)
50 MUTE_HP O Headphone mute
51 MP_SEL
(SELECT_ A)
O Select front MPort or rear MPort
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 AGC_SW - Connection GND via resistor
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_
LED
O Disc LED 1
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 (For HT1040)
94 LOAD_
REV
O Loading motor control (Open / close-
RC1)
95 VSS - -ve Power supply for D/A converter
96 LOAD_
FWD
O Loading motor control (Open / close-
RC1)
97 TURN_
FWD
O Tray motor control (Turn-RC1)
98 TURN_
REW
O Tray motor control (Turn-RC1)
99 N.C - No connection
100 VDD - +ve Power supply for D/A converter
22 Terminal Function of ICs
103
SA-HT640WP / SA-HT640WPC