Line 36:
Line 36:
* TP8 - U13 pin4
* TP8 - U13 pin4
* TP9 - Fake Power Button (active low/pullup, pressed=0.0v, not pressed=3.3v), connected to SMC Pin33 and RTC. Eject button will also pulse this low.
* TP9 - Fake Power Button (active low/pullup, pressed=0.0v, not pressed=3.3v), connected to SMC Pin33 and RTC. Eject button will also pulse this low.
−
* TP10 - To video chip (and elsewhere?)
+
* TP10 - HDMI HPD
* TP11 - Direct to SoC, no other connections. (impedance: 0.6ohm)
* TP11 - Direct to SoC, no other connections. (impedance: 0.6ohm)
* TP12 - Direct to SoC, no other connections. (impedance: 20ohm, measures: 1V?)
* TP12 - Direct to SoC, no other connections. (impedance: 20ohm, measures: 1V?)
* TP13 - Direct to SoC, no other connections. (impedance: high)
* TP13 - Direct to SoC, no other connections. (impedance: high)
* TP14 - Direct to SoC, no other connections. (impedance: high)
* TP14 - Direct to SoC, no other connections. (impedance: high)
−
* TP15 - Connects to SMC Pin18, regulator-related?
+
* TP15 - Connects to SMC Pin18, 1v adjust
−
* TP16 - Connects to SMC Pin29, regulator-related?
+
* TP16 - Connects to SMC Pin29, 1v adjust
* TP20 - Direct to SoC, no other connections. (impedance: 1Megohm)
* TP20 - Direct to SoC, no other connections. (impedance: 1Megohm)
* TP21 - SDCard CLK (Pin5)
* TP21 - SDCard CLK (Pin5)
Line 54:
Line 54:
* TP29 - SDCard VDD
* TP29 - SDCard VDD
* TP30 - SDCard GND
* TP30 - SDCard GND
−
* TP31 - Composite related?
+
* TP31 - Sensor Bar GND PWM
−
* TP32 - Composite related?
+
* TP32 - Sensor Bar 12v
−
* TP33 - Composite related?
+
* TP33 - Sensor Bar related
−
* TP34 - Connects to RAM module?
+
* TP34 - DRAM (U2) VREFDQ (0v7)
−
* TP35 - Connects to RAM module?
+
* TP35 - DRAM (U2) "ZQ"
−
* TP36 - Connects to RAM module?
+
* TP36 - DRAM (U3) VREFDQ (0v7)
−
* TP37 - Connects to SMC Pin27, regulator-related?
+
* TP37 - Connects to SMC Pin27, 1v adjust
−
* TP38 - Connects to SMC Pin17, regulator-related?
+
* TP38 - Connects to SMC Pin17, 1v adjust
* TP39 - Connects to SMC Pin20, front USB enable
* TP39 - Connects to SMC Pin20, front USB enable
* TP56 - Direct to SoC, no other connections. (impedance: high)
* TP56 - Direct to SoC, no other connections. (impedance: high)
* TP57 - Direct to SoC, no other connections. (impedance: high)
* TP57 - Direct to SoC, no other connections. (impedance: high)
−
* TP58 - Connects to RAM module?
+
* TP58 - DRAM (U3) "ZQ"
−
* TP59 - Connects to RAM module?
+
* TP59 - DRAM (U4) "ZQ"
−
* TP60 - Connects to RAM module?
+
* TP60 - DRAM (U4) VREFDQ (0v7)
−
* TP61 - Connects to RAM module?
+
* TP61 - DRAM (U5) "ZQ"
−
* TP62 - Connects to RAM module?
+
* TP62 - DRAM (U5) VREFDQ (0v7)
* TP64 - To U1014 (comparator?) pin12
* TP64 - To U1014 (comparator?) pin12
* TP65 - TP2003
* TP65 - TP2003
Line 81:
Line 81:
* TP80 - SMC Pin15, rear USB enable
* TP80 - SMC Pin15, rear USB enable
* TP83 - Direct to video chip.
* TP83 - Direct to video chip.
−
* TP84 - To HDMI connector?
+
* TP84 - DDC I2C SDA
* TP86 - Direct to SoC, no other connections. Lots of capacitors? Reference voltage? 1.036v
* TP86 - Direct to SoC, no other connections. Lots of capacitors? Reference voltage? 1.036v
* TP87 - Direct to SoC, no other connections. Lots of capacitors? Reference voltage? 0.753v
* TP87 - Direct to SoC, no other connections. Lots of capacitors? Reference voltage? 0.753v
Line 88:
Line 88:
* TP99 - Direct to DRH, no other connections.
* TP99 - Direct to DRH, no other connections.
* TP109 - SMC Pin16, rear USB fault
* TP109 - SMC Pin16, rear USB fault
−
* TP110 - Wire goes past video chip away from SoC.
+
* TP110 - DDC I2C SCL
−
* TP111 - To HDMI connector?
+
* TP111 - HDMI 5v supply
* TP115 - 15V DC plug positive
* TP115 - 15V DC plug positive
* TP116 - 15V DC plug positive
* TP116 - 15V DC plug positive
Line 101:
Line 101:
* TP127 - ARM/IOP power rail? 1.0v
* TP127 - ARM/IOP power rail? 1.0v
* TP128 - ARM/IOP GND
* TP128 - ARM/IOP GND
−
* TP129 - ??? power rail, 1.15v
+
* TP129 - PPC power rail, 1.15v
−
* TP130 - ??? GND
+
* TP130 - PPC power rail GND
−
* TP132 - to comparators?
+
* TP132 - 3v3/12v PGOOD
* TP135 - 5v power rail A
* TP135 - 5v power rail A
* TP136 - 12v power rail
* TP136 - 12v power rail
Line 109:
Line 109:
* TP138 - 3v3 power rail B
* TP138 - 3v3 power rail B
* TP139 - WiFi module 3v3
* TP139 - WiFi module 3v3
−
* TP141 - Connected to RTC. Pulled up by Q1080?
+
* TP141 - Connected to RTC. WiFi module 3v3 enable.
* TP142 - 3v3 power rail for HDMI Encoder
* TP142 - 3v3 power rail for HDMI Encoder
* TP144 - Reset? Or functions like one when pulled down by a 3.3Kohm resistor.
* TP144 - Reset? Or functions like one when pulled down by a 3.3Kohm resistor.
* TP145 - Connection between RTC and SMC, SMC nRST, sensitive to measurement (power LED reverts to red, but SoC continues running)
* TP145 - Connection between RTC and SMC, SMC nRST, sensitive to measurement (power LED reverts to red, but SoC continues running)
−
* TP146 - SMC Pin1, to RTC, Bluetooth, and 5GHz module
+
* TP146 - SMC Pin1, to RTC, Bluetooth, and 5GHz module. Front LED blinks red when pulled low.
−
* TP147 - Connected to RTC and pin4 of U1041 (Comparator in?)
+
* TP147 - Connected to RTC and pin4 of U1041 (ABLIC). 15v PFET enable.
−
* TP148 - Connected to RTC and Q1093 gate. Makes its way to U1041 Pin13 (Comparator ?). When pulled low by 3.3kohm resistor, front LED blinks red until 15V unplug+replug.
+
* TP148 - Connected to RTC and Q1093 gate. Makes its way to U1041 Pin13 (ABLIC). When pulled low by 3.3kohm resistor, front LED blinks red until 15V unplug+replug. Must be pulled up to 3v3 by 10kOhm resistor, front LED blinks red upon pressing power.
−
* TP149 - Connected to LV5066 pin2 (EN) and RTC. Regulators enable? Pulldown resistor?
+
* TP149 - Connected to LV5066 pin2 (EN) and RTC. 1.5v enable.
* TP151 - Connected to transistor output, goes to SoC
* TP151 - Connected to transistor output, goes to SoC
* TP152 - SMC Pin35, connected to TP88. Optical power enable
* TP152 - SMC Pin35, connected to TP88. Optical power enable
* TP153 - SMC I2C SCL
* TP153 - SMC I2C SCL
* TP154 - SMC I2C SDA
* TP154 - SMC I2C SDA
−
* TP155 - SMC Pin14, WiFi module pin 14
+
* TP155 - SMC Pin14, WiFi module pin 14. When pulled low in vWii, system powers off(???)
−
* TP156 - SMC Pin23, BT module pin 12
+
* TP156 - SMC Pin23, BT module PON signal
−
* TP157 - SMC Pin19, 5GHz module pin 20
+
* TP157 - SMC Pin19, 5GHz module PON signal
* TP158 - 1.5v power rail A
* TP158 - 1.5v power rail A
* TP160 - GND
* TP160 - GND