Read Sony HCD-WZ8D / MHC-WZ8D Service Manual online
3
HCD-WZ8D
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE WITH
MARK
0
ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
MODEL IDENTIFICATION
— BACK PANEL —
• Abbreviation
AUS : Australian model
E2
E2
: 120V AC area in E model
E3
: 240V AC area in E model
E15 : 220-240V AC area in E model
EA
EA
: Saudi Arabia model
KR : Korean model
PARTS No.
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
the lead free mark due to their particular size.)
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
• 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.
Soldering irons using a temperature regulator should be set to
about 350
Ordinary soldering irons can be used but the iron tip has to be
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 the
heated tip is applied for too long, so be careful!
heated tip is applied for too long, so be careful!
• Strong viscosity
Unleaded solder is more viscous (sticky, less prone to flow) than
ordinary solder so use caution not to let solder bridges occur such
as on IC pins, etc.
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.
JIG ON REPAIRING
Please use the following extension cables at the time of repair of
this set.
this set.
• Part No. J-2501-198-A (17P)
DMB03 board CN105 — VIDEO board CN801
• Part No. J-2501-212-A (5P)
MAIN board CN103 — MS-128 board CN001
• Part No. J-2501-244-A (21P)
DMB03 board CN107 — 4CH-VOL board CN303
NOTES ON DMB03 BOARD EXCHANGE
If a DMB03 board is exchanged, “DRIVE AUTO ADJUSTMENT”
may be unable to be performed. In this case, initialize a memory in
the following procedure.
may be unable to be performed. In this case, initialize a memory in
the following procedure.
1. Starting Test Mode (see page 15).
2. Press the 2 button of remote commander to set the Drive
2. Press the 2 button of remote commander to set the Drive
Manual Operation (see page 18).
3. Press the 6 button of remote commander to set the Memory
Check (see page 20).
4. Press the [CLEAR] button of remote commander to initialize
a memory.
[When bringing in the equipment for service]
In case of repairing, please bring the entire system set([HCD-WZ5,
DXA-WZ5],except for the speaker) to the service station.
DXA-WZ5],except for the speaker) to the service station.
MODEL
AEP, UK models
EA model
E3, E15 models
E2 model
AUS models
TH model
KR model
MY, SP models
RU models
PH model
PARTS No.
4-244-897-0s
4-244-897-1s
4-244-897-2s
4-244-897-3s
4-244-897-4s
4-244-897-6s
4-244-897-7s
4-244-897-8s
4-244-897-9s
4-247-928-0s
SERVICING NOTES
Ver 1.2
RFMON signal waveform
• Standard value
Test Disc
RFMON level
Standard Value
DVD
TDV-520CSO
1.09
± 0.2Vp-p
(J-2501-236-A)
CD
LUV-P01
1.05
± 0.2Vp-p
(4-999-032-01)
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
TIME/DIV: 500 ns
RFMON level
AUTO SERVO ADJUSTMENT
After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC509), motor driver (IC501), EEPROM (IC903) so on) are
replaced, re-adjusting the servo circuit is necessary. Select “ALL”
at “1. DRIVE AUTO ADJUSTMENT” (Refer to page 16 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
(IC509), motor driver (IC501), EEPROM (IC903) so on) are
replaced, re-adjusting the servo circuit is necessary. Select “ALL”
at “1. DRIVE AUTO ADJUSTMENT” (Refer to page 16 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
RFMON Level Check
Perform a RFMON level check before exchanging optical pick-up.
Measurement Point: DMB03 board CN501
13pin (RFMON) — 29pin (AGND)
MY
: Malaysia model
PH
: Philippines model
RU
: Russian model
SP
: Singapore model
TH
: Thai model
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