Ic Information - Pioneer HTP-072 Service Manual

1

5.3 IC INFORMATION

A (M3030RFGPFP_256k)(CPU Assy: IC2023)
MAIN UCOM
• Pin Function
No. Symbol
1 A_MUTE
2 DC/DC_ON2
3 F_RLY
4 S_RLY
5 C_RLY
B
6 AC_VOLT_DET
7 RMC
8 GND
9 CNVSS_UP
10 24C16_SDA
11 24C16_SCL
12 RESET
13 XOUT
14 GND
15 XIN
16 3V3
C
17 NMI
18 TUNER_INT
19 PDN
20 OSD/FLT_DATA
21 MUTE_B+_CTL
22 VIDEO_MUTE
23 HP_DET
24 OSD_CE
25 V5+V_DET
26 V_CTL_A
27 V_CTL_B
D
28 OSD/FLT_CLK
29 NC
30 NC
31 232_RX/U_TX
32 232TX/U_RX
33 SCLK_JTAG
34 BUSY_JTAG
35 3959_SDA
36 3959_SCL
37 PULL_DOWN
38 HDMI_3V3_ON
E
39 OSD_RESET
40 TUNER_SCLK
41 EPM_UP
42 TUNER_SDIO
43 TUNER_SEN
44 TUNER_RST
45 D+3.3V_ON
46 U_CE
47 3959_PWR
48 3959_RESET
F
49 VOL_DATA
50 VOL_CLK
24
1
2
I/O
O Audio output control pins at Mute Tr (active at L)
O Control pin DC/DC IC +5V (on: H)
O Tr driven control pins at the Front speaker output relay. (active at H)
O Tr driven control pins at the Surround speaker output relay. (active at H)
O Tr driven control pins at the Center speaker output relay.(active at H)
Not used
I Remote control signal input pin
Ground
I Switches processor mode
I/O Data signal input & output for data backup of MAIN UCOM
O Clock signal output for data backup of MAIN UCOM
I Microcomputer reset signal input pin (active at L)
O Output for 16 MHz crystal
Ground
I Input for 16 MHz crystal
+3.3 V power supply
Pull up
I Tuner Interrupt signal input pin
O Output for MAIN UCOM power down
O OSD or FLT Data pin
O Power control pin mute B+
O Output for video IC MUTE condition
I Monitoring the input pin headphone connection
O OSD IC enable signal output and UPGRADE pin
I Detection pin V+5V protection (Not used)
O IC control signal A output pin for selecting the video input
O IC control signal B output pin for selecting the video input
O OSD & FL drive IC output pin of the Clock
O Not used
O Not used
O Output for Upgrade (UART)
I Input for Upgrade (UART)
I Serial clock input and Protection pin
O Output for JTAG BUSY/TRIGER1_ON/OFF SIGNAL
I/O MFI IC DATA signal
I/O MFI IC CLK signal
PULL_DOWN
O Control pin HDMI IC +3.3V (on: H)
O OSD IC reset signal output pin
O Clock signal output for Tuner Pack
I UPGRADE
I/O Data signal input & output for Tuner Pack
O Output for Tuner Pack Serial Enable Input (active at L)
O Output to reset Tuner Pack (active at L)
O Control pin DSP IC +3.3V (on: H)
O OSD IC enable signal output and UPGRADE pin
O MFI IC Power control pin
O MFI IC reset signal
O Data signal output for R2A15219 (I2C)
O CLK signal output for R2A15219 (I2C)
HTP-072
2
3
Description
3
4
4