Apple imac 17 inch late 2006 User Manual

							iMac (17-inch Late 2006) Take Apart — Chassis 131
Chassis
Tools
Torx T10 screwdriver (magnetized)
• 
Preliminary Steps
Before you begin, follow steps for removing the following:
Access doo
•  r
Front beze
•  l
Lower EMI shiel
•  d
LCD displa
•  y
O
•  ptical drive
Speaker
•  s
Disconnect the AirPort card antennas
• 
Disconnect the Bluetooth antenna
• 
Memor
•  y
Logic board
• 
Hard drive fan
• 
Power supply
• 
DC-DC board
• 
DC-DC power cable
• 
CPU fan
• 
Optical fan
• 
AC power inlet
• 
•  Clutch mechanism 
						

							iMac (17-inch Late 2006) Take Apart — Chassis 13 2
Part Location
Removing the Chassis
With all the other parts removed, use a T10 torx screwdriver to remove the self-tapping 
1.  
screws circled below.  Lift the chassis from the rear housing.  
						

							iMac (17-inch Late 2006) Take Apart — Chassis 13 3
Replacing the Chassis
Position the chassis on the rear housing and install the self-tapping mounting screws.
1.  
Replace the clutch mechanism.
2.  
Replace the AC power inlet.
3. 
Replace the three fan fans.
4.  
Replace the power supply. 
5. 
Replace the hard drive.
6.  
Replace the optical drive.
7.  
Replace the logic board.
8.  
Replace the speakers.
9. 
Replace the display panel.
10.  
Replace the lower EMI shield.
11 .  
Replace the front bezel.
12.  
Replace the memory access door.
13 .   
						

							iMac (17-inch Late 2006) Take Apart — Rear Housing 134
Rear Housing
Tools
No tools are required to remove the rear housing in addition to those referenced below.)
Remove and Replace the Rear Housing
To remove the rear housing, follow steps for removing the parts below.  Reverse these steps to 
replace the rear housing.Access doo
•  r
Front beze
•  l
Lower EMI shiel
•  d
LCD displa
•  y
O
•  ptical drive
Speaker
•  s
Disconnect the AirPort card antennas
• 
Disconnect the Bluetooth antenna
• 
Memor
•  y
Logic board
• 
Hard drive fan
• 
Power supply
• 
DC-DC board
• 
DC-DC power cable
• 
CPU fa
•  n
Optical fan
• 
AC power inlet
• 
•  Clutch mechanism
•  Chassis
Ambient Light Senso
•  r
Note: The rear housing contains the AirPort and Bluetooth antennas. 
						

							iMac (17-inch Late 2006) Take Apart — DC Power Cable 13 5
DC Power Cable
Tools
No tools are required to remove the DC power cable.
Preliminary Steps
Before you begin, follow steps for removing the following:Access doo
•  r
Front beze
•  l
Lower EMI shiel
•  d
LCD displa
•  y
O
•  ptical drive
Speaker
•  s
Hard drive
• 
Disconnect the AirPort card antennas
• 
Disconnect the Bluetooth antenna
• 
Memor
•  y
Logic board
• 
Optical drive fan
•  
						

							iMac (17-inch Late 2006) Take Apart — DC Power Cable 13 6
Part Location
Removing the DC Power Cable
Remove tape that secures the DC power cable to the rear housing, and remove the DC 
1.  
power cable.  
						

							iMac (17-inch Late 2006) Take Apart — DC Power Cable 13 7
Replace the DC Power Cable
Route the DC power cable as shown above. Tape the DC power cable and the camera cable 
1.  
to the rear housing as shown below. 
Replace the hard drive.
2.  
Replace the optical drive.
3. 
Replace the optical drive fan.
4.  
Replace the logic board.
5. 
Replace the speakers.
6.  
Connect the AirPort and Bluetooth antennas.
7.  
Replace the display panel.
8.  
Replace the lower EMI shield.
9. 
Replace the front bezel.
10.  
Replace the memory.
11 .  
Replace the memory access door.
12.   
						

							 Service Source
© 2006 Apple Computer, Inc. All rights reserved.
Troubleshooting
iMac (17-inch Late 2006) 
						

							iMac (17-inch Late 2006) Troubleshooting — General Info 13 9
 
 
General Information
Serial Number
iMac (17-inch Late 2006) serial number is located on the bottom of the computer stand.
Block Diagram
This is the block diagram for the iMac (17-inch Late 2006). 
.
.
CPU
Merom
2.0/2.16/2.33 GHz
MCH
Calistoga 945GM
ICH
ICH7M
DMI
GPU
ATI M56
Frame Buffer
Voltage
Regulator IMVP
SODIMM 0
SODIMM 1
SATA
ParallelATA
Azalia Audio SigmaTel
STAC9221Line-In &  S/PDIF
Headphone & S/PDIF
USB
USB
USB
Ethernet
10/100/1G
Marvell YukonPCIE x1
FireWire 400 Mb
Agere FW323PCI 33 MHz6 pin6 pin
RJ45Speaker amp
SMC
Renesas
H8S/2116
Boot
ROM
Linda card 
Override ROM,  Port 80, 
serial port accessLPCCamera
AirPortM35b/a
mini-DVI TMDS &  VGA
Internal
Display LVDS
(dual channel)
Internal mic
PCIE x16 / SDVO
            SMC functions:
• LED control
•ALS (Ambient Light Sensor)
• V oltage & Current Sensors
• Power Switch Intercept
• Fan Control
• Flash ROM Self-Update
• Power management
PCIE x 1
Bluetooth M13d
DDR2667 MHz
FSB 667Mhz
HD Audio
USB 2.0
SPI 
						

							iMac (17-inch Late 2006) Troubleshooting — General Info 140
Power On Self Test (POST) 
Intel-based Mac computers such as the iMac (17-inch Late 2006) rely on a combination of tones 
and blinking LEDs to display Power On Self Test (POST ) error codes.If the computer detects out-of-specification or no SDRAM or the RAM installed does not 
• 
meet the appropriate specifications, the screen will remain black but the power LED on the 
front of the computer will blink once per second to signal the error. This error condition may 
be due to physically damaged RAM, installing the incorrect type of RAM, or not having RAM 
installed.
Some RAM may appear to pass the Power-On-Self-Test (POST ) but still cannot be used by the 
• 
operating system. In this case, the computer will display a gray screen, sound three tones and 
blink the power LED on the front of the computer three times, pause, and repeat the blinking 
until the computer is turned off.
The solution to both of these situations is to first re-seat the memory and test the computer 
• 
again. If the memory fails the POST test again, try memory that has been verified to work 
correctly on another system (i.e., “known-good”) or order new memory.