Sony CMT-G2BNIP / CMT-G2NIP / HCD-G2BNIP / HCD-G2NIP Service Manual ▷ View online
HCD-G2BNiP/G2NiP
3
SECTION 1
SERVICING NOTES
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40 °C higher
• Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
• Strong
viscosity
Unleaded solder is more viscous (sticky, less prone to fl ow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
• Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
also be added to ordinary solder.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electro-
static break-down because of the potential difference generated by
the charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The fl exible board is easily damaged and should be handled with
care.
static break-down because of the potential difference generated by
the charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The fl exible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused
on the disc refl ective surface by the objective lens in the optical
pickup block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
The laser beam on this model is concentrated so as to be focused
on the disc refl ective surface by the objective lens in the optical
pickup block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
RELEASING THE DISC TRAY LOCK
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Releasing Procedure:
1. Press the [
1. Press the [
?/1
] button to turn the power on.
2. Press two buttons of [
x
] and [
Z
] for 5 seconds.
3. The message “UNLOCKED” is displayed on the fl uorescent
indicator tube and the disc tray is unlocked.
Note: When “LOCKED”is displayed, the disc tray lock is not released by
turning power on/off with the [?/1] button.
NOTE OF REPLACING THE MOTOR BOARD
When the MOTOR board is damaged, exchange the LOADING
(BK) ASSY.
When the MOTOR board is damaged, exchange the LOADING
(BK) ASSY.
NOTE OF REPLACING THE IC107, Q1101, Q1102,
Q2101 AND Q2102 ON THE AMP BOARD
IC107, Q1101, Q1102, Q2101 and Q2102 on the AMP board can-
not exchange with single. When these parts are damaged, exchange
the complete mounted board.
Q2101 AND Q2102 ON THE AMP BOARD
IC107, Q1101, Q1102, Q2101 and Q2102 on the AMP board can-
not exchange with single. When these parts are damaged, exchange
the complete mounted board.
NOTE OF REPLACING THE CN5003 ON THE NET
BOARD
CN5003 on the NET board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
BOARD
CN5003 on the NET board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
MODEL IDENTIFICATION
– Rear Panel –
PART No.
Model
Part No.
HCD-G2NiP: AEP model
4-275-277-0[]
HCD-G2BNiP: AEP and UK models
4-275-277-1[]
HCD-G2BNiP: Australian model
4-275-277-2[]
PRECAUTIONS FOR DISASSEMBLY AND ASSEMBLY
Many of the internal parts in this unit use iron plates. Be careful not
to injure your hands while carrying out disassembly or assembly
procedures.
Many of the internal parts in this unit use iron plates. Be careful not
to injure your hands while carrying out disassembly or assembly
procedures.
PRECAUTIONS FOR OPERATION CHECKS
If checking operations with the power on, be sure to connect the
GND wires (earth terminals) connected to the AMP board and
MAIN board to ground.
The units may fail to operate and parts may become damaged if
the GND wires are not connected properly. Be sure to connect the
GND wires before checking either board.
If the GND wire (earth terminal) is not long enough to reach when
the circuit board is removed, use alligator clips or a similar part to
extend the length to enable connection to ground.
If checking operations with the power on, be sure to connect the
GND wires (earth terminals) connected to the AMP board and
MAIN board to ground.
The units may fail to operate and parts may become damaged if
the GND wires are not connected properly. Be sure to connect the
GND wires before checking either board.
If the GND wire (earth terminal) is not long enough to reach when
the circuit board is removed, use alligator clips or a similar part to
extend the length to enable connection to ground.
AMP board
MAIN board
alligator clips
GND wire
Note: Connect the alligator clips surely with this position.
Ver. 1.1
HCD-G2BNiP/G2NiP
4
NOTE OF REPLACING THE WIRELESS LAN MODULE
(MOD1)
When replacing the wireless LAN module (MOD1), MAC address
is changed. Print the following explanation, cut it, and hand over
it to the customer with the unit, when returning the unit that the
repair is completed to the customer.
(MOD1)
When replacing the wireless LAN module (MOD1), MAC address
is changed. Print the following explanation, cut it, and hand over
it to the customer with the unit, when returning the unit that the
repair is completed to the customer.
MAC address of the main unit has been changed by this repair.
When using the MAC address fi ltering function of connection destina-
tion access point equipment, set it again..
When using the MAC address fi ltering function of connection destina-
tion access point equipment, set it again..
CHECKING METHOD OF NETWORK OPERATION
It is necessary to check the network operation, when replacing the
wireless LAN module (MOD1). Check the operation of wireless
and wired LAN, according to the following method.
It is necessary to check the network operation, when replacing the
wireless LAN module (MOD1). Check the operation of wireless
and wired LAN, according to the following method.
1. Checking Method of Wireless LAN Operation
Check that access point is recognized surely.
Check that access point is recognized surely.
Necessary Equipment:
Wireless access point with router function (AP)
Wireless access point with router function (AP)
Procedure:
1. Turn the [FUNCTION] knob to select the HOME NETWORK,
1. Turn the [FUNCTION] knob to select the HOME NETWORK,
MUSIC SERVICES or AirPlay function.
2. Press the [M]/[m] buttons to select “Network,” then press the
[ENTER] button.
3. Press the [M]/[m] buttons to select “Settings,” then press the
[ENTER] button.
4. Press the [M]/[m] buttons to select “Wireless LAN Settings,”
then press the [ENTER] button.
Note: If “Change Setting?” appears, select “OK,” then press the [ENTER]
button.
5. Press the [M]/[m] buttons to select “Access Point Scan,” then
press the [ENTER] button.
6. The system starts searching for access points, and displays a
list of up to 20 available network name (SSID).
7. Check that access point (SSID) is displayed on the searching
result.
Note: Refer to the instruction manual about details of the setting method.
2. Checking method of wired LAN operation
Check that access point is recognized surely.
Check that access point is recognized surely.
Procedure:
1. Connect the main unit to the router or the hub, etc. with the
1. Connect the main unit to the router or the hub, etc. with the
network (LAN) cable.
2. Turn the [FUNCTION] knob to select the HOME NETWORK,
MUSIC SERVICES or AirPlay function.
3. Press the [M]/[m] buttons to select “Network,” then press the
[ENTER] button.
4. Press the [M]/[m] buttons to select “Settings,” then press the
[ENTER] button.
5. Press the [M]/[m] buttons to select “Wired LAN Settings,”
then press the [ENTER] button.
6. On the IP setting, press the [M]/[m] buttons to select “Auto,”
then press the [ENTER] button.
7. On the proxy setting, press the [M]/[m] buttons to select “Do
Not Use,” then press the [ENTER] button.
8. Press the [M]/[m] buttons to select “OK,” then press the
[ENTER] button.
9. Perform the server settings.
10. Press the [OPTIONS] buttons to select “Network,” then press
10. Press the [OPTIONS] buttons to select “Network,” then press
the [ENTER] button.
11. Press the [OPTIONS] buttons to select “Information,” then
press the [ENTER] button.
12. Check that IP address can be acquired.
Note: Refer to the instruction manual about details of the setting method.
HCD-G2BNiP/G2NiP
5
HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF
MAIN BOARD SERVICE POSITION
1
Insert the hard metal fittings of L character type 6 cm
or more in the hole of the chassis.
2
Push the lever in the direction
of the arrow
A.
3
6 cm or more
– Rear bottom view –
hole
lever
– Bottom view –
A
MAIN board
AMP board
lug wire
alligator clips
Note: Connect the alligator clips surely with this position.
HCD-G2BNiP/G2NiP
6
CD MECHANISM DECK SERVICE POSITION
FL-NET, JOG1, JOG2, USB AND HP BOARD SERVICE POSITION
FL-NET board
USB board
HP board
JOG2 board
JOG1 board
insulating sheet
CD mechanism deck
(CDM77B-K6BD94DC)
(CDM77B-K6BD94DC)
BD94DC board
MAIN board
front panel block
MOTOR board