Panasonic SB-HTB550GK, Service Manual

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134
18.3. Terminal Function of IC’s
18.3.1. IC2301 (RFKWMHTB550P) MICRO PROCESSOR IC
Pin No. Mark I/O Function
1 FAN_DA - No Connection
2 AUX/BT - No Connection
3 REMOTE I Remocon Serial Input
4 VSYNC_COUNT I VSYNC Monitor for Source
5 HDMI_MUTE_D
ET - No Connection
6 BYTE (VSS) - VSS
7 CNVSS - Ground
8 XCIN - Sub clock (For standby mode)
9 XCOUT - Sub clock (For standby mode)
10 RESET I For on board programming
11 XOUT - Main clock
12 VSS - VSS
13 XIN - Main clock
14 VCC1 (VDET) - Main power supply 3.3V
15 CEC I/O I/O CEC IN/OUT
16 DSP_IRQ I ROHM PWM control
17 NC - No Connection
18 AC_SYNC I Detection of AC Power fail (Power
Fail = L)
19 IDROM/BKROM
SDA I/O EEPROM for HDMI ID & Backup
20 IDROM/BKROM
SCL I/O EEPROM for HDMI ID & Backup
21 VALID I VALID info of DAMP
22 MUTE_ALL O Audio Mute control
23 DAP_MUTE O Mute control for DAMP
24 DAP_RESET O DAMP RESET
25 HDMI_MUTE_DI
S O HDMI mute disable
26 DAP_PDN O DAMP Power down
27 BT_UART_RX O BLUETOOTH Receive
28 BT_UART_TX O BLUETOOTH Transmit
29 FLASH_TXD O For on board programming & Log
monitor, Transmit
30 FLASH_RXD I For on board programming & Log
monitor, Receive
31 Flash_SCLK I For on board programming
32 Flash_BUSY O For on board programming
33 HDMI_SDA I/O HDMI RX/TX control (Serial Data)
34 HDMI_SCL I/O HDMI RX/TX control (Serial Clock)
35 LOG_MONI_SW I Log monitor switch
36 TX_RESET - No Connection
37 RX_RESET - No Connection
38 ADC_MS-SL O ADC Master Slave Selection
Analog mode : ADC mode 3 (mas-
ter), DIR: slavedigital input, ADC
mode 0 (slave), DIR: master
39 Flash_EPM I For on board programming
40 HDMI_PCONT - No Connection
41 TX_INT - No Connection
42 RX_INT - No Connection
43 ADC_PDN O ADC power down
44 Flash_CE I For on board programming
45 DAP_SDA I/O DAMP & Jitter less IC Serial Data
46 DAP_SCL I/O DAMP & Jitter less IC Serial Clock
47 RX0_WRT_SEL O RX0 EDID ROM write enable select
(Enable = High)
48 RX0/
1_EDID_SCL O RX0/1 EDID ROM Serial Clock
49 RX0/
1_EDID_SDA O RX0/1 EDID ROM Serial Data
50 RX1_WRT_SEL O RX1 EDID ROM write enable select
(Enable = High)
51 DSP_CLIP O PWM control
52 STBY_H O Audio output enable control (Enable
= Low)
53 RX1_HPD O Hot Plug Detect out to HDMI RX1
54 RX0_HPD O Hot Plug Detect out to HDMI RX0
55 RX1_5V_DET I Detection of connect to HDMI RX1
(Detect = High)
56 RX0_5V_DET I Detection of connect to HDMI RX0
(Detect = High)
57 DSP_MODE O PWM control (Temperature Control)
58 CS_CODEC O DIR control
59 ZERO I Detection of digital signal zero
60 VCC2 - Main power supply 3.3V
61 ECO_PCONT O ECO mode control
62 VSS - VSS
63 W_SSB O Wireless control
64 W_DET I Wireless control/Detect
65 5V_DET I Diode OR from RX_HPD (Detect =
High)
66 TX_HPD I Hot Plug Detect of HDMI Sink
67 RESET_CODEC O DIR control (Reset)
68 CS_DSP O DSP control (Chip Select)
69 BUSY_DSP I DSP control (Busy Status)
70 RESET_DSP O DSP control (Reset)
71 INTREQ_DSP I DSP control (Interrupt Request)
72 NC - No Connection
73 INTREQ_CODE
C I DIR control (Interrupt Request)
74 SD_OUT O Shut down output (DC_DET or SD is
Active Low)
75 MOSI_DSP O DSP control
76 MISO_DSP /
SDOUT I MISO_DSP OR DT_OUT_CODEC
77 CLK_DSP O DIR control (Clock)
78 LED_DATA O LED control (Data)
79 LED_CLK O LED control (Clock)
80 LED_LCK (CS) O LED control (Chip Select)
81 REG1 : AREA I Area Code
82 REG2 : MODEL I Model Code
83 LED_OE O LED control (Enable: L)
84 SD I DAMP Overload or Overtemp
(Action : PCONT=Low &
SD_OUT=High)
85 OTW I DAMP Over Temperature
86 DC_DET I DAMP & SMPS abnormal detection
(Action : PCONT=Low &
SD_OUT=High)
87 WS_INT I Wireless control (Initialize)
88 PCONT O Main power control (Power On =
High)
89 KEY2 I Selector : Vref * 0.05 ~ 0.0
Vol UP : Vref * 0.16 ~ 0.06
90 KEY1 I Power : Vref * 0.05 ~ 0.0
Vol Down : Vref * 0.16 ~ 0.06
91 ECO_LEVEL I ECO LEVEL Detection
92 V_CHECK I HDMI Voltage Detection
93 S_DET I Short Circuit Detection
94 AVSS - AVSS
95 NC - No Connection
96 VREF - ADC power supply
97 AVCC - Main power supply 3.3V
98 W_SDI I Wireless control (Serial Data In)
Pin No. Mark I/O Function