Friday, October 30, 2015

SONY HCD-GZR7D – SONY HCD GZR8D - SONY HCD GZR9D - Adjustments

E Model HCD-GZR7D/GZR8D/GZR9D
Australian Model HCD-GZR9D
DVD Section
DVD Mechanism Type: CDM74HF-DVBU101//C -  Optical Pick-up Name: KHM-313CAB/C2RP
Tape Deck Section: Model Name Using Similar Mechanism: HCD-GNZ777D/GNZ888D
Amplifier Section

The following measured at AC 120, 220, 240 V, 50/60 Hz

MHC-GZR9D

Power output (rated): 100 W + 100 W (6 Ω at 1 kHz, 1% THD) RMS output power (reference)

Front speaker: 180 W + 180 W (per channel at 6 Ω, 1 kHz, 10% THD)

Center speaker: 60 W (6 Ω at 1 kHz, 10% THD)

Surround speaker: 60 W + 60 W (per channel at 6 Ω, 1 kHz, 10% THD)
Subwoofer: 180 W (6 Ω at 80 Hz, 10% THD)

MHC-GZR8D

Power output (rated): 100 W + 100 W (6 Ω at 1 kHz, 1% THD) RMS output power (reference)

Front speaker: 180 W + 180 W (per channel at 6 Ω, 1 kHz, 10% THD)

Center speaker: 60 W (6 Ω at 1 kHz, 10% THD)

Surround speaker: 60 W + 60 W (per channel at 6 Ω, 1 kHz, 10% THD)
MHC-GZR7D

Power output (rated): 100 W + 100 W (6 Ω at 1 kHz, 1% THD) RMS output power (reference):

180 W+ 180 W (per channel at 6 Ω, 1 kHz, 10% THD)

COLD RESET
The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer.
Procedure:
1. Press the [Power] button to turn on the system.
2. Press [ILLUMINATION] button, [ENTER] button and [Power] button simultaneously.
3. The message “COLD RESET” appears on the fluorescent indicator tube. Then, the fluorescent indicator tube becomes blank for a while, and the system is reset.
COMMON TEST MODE
This mode is used to check operations of the respective section of Equalizer level, volume and VACS ON/OFF.
To enter Common Test Mode
1. Press [power] button to turn on the system.
2. Press [stop] button, [ILLUMINATION] button and [DISC 3] simultaneously.
3. The message “VACS0” appears on the fluorescent indicator tube.
Check of Equalizer Level
1.Press [EQ BAND/MEMORY] button repeatedly until a message “ALL EQ MIN” appears on the fluorescent indicator tube. GEQ decreases to its minimum.
2. Press [EQ BAND/MEMORY] button repeatedly until a message “ALL EQ MAX” appears on the fluorescent indicator tube. GEQ increases to its maximum.
3. Press [EQ BAND/MEMORY] button repeatedly until a message “ALL EQ FLAT” appears on the fluorescent indicator tube. GEQ is set to flat.
Check of Volume
1.When the [MASTER VOLUME] dial is turned counterclockwise even slightly, the sound volume increases to its maximum and message “VOLUME16”  => “VOLUME MAX” appears on the fluorescent indicator tube.
2. When the [MASTER VOLUME] dial is turned clockwise even slightly, the sound volume decreases to its minimum and message “VOLUME16” =>  “VOLUME MIN” appears on the fluorescent indicator tube.
Check of VACS (Variable Attenuation Control System) ON/OFF Select
Press [REC TO TAPE] button repeatedly until a message “VACS OFF” or “VACS ON” appears on the fluorescent indicator tube.
To release from Common Test Mode
1. To release from this mode, press [power] button.
2. To cold reset is enforced at the same time.
AMP TEST MODE
This mode is used to display the real time VACS level and check operations of the respective sections of Equalizer band and DBFB ON/OFF.
To enter AMP Test Mode
1. Press [power] button to turn on the system.
2. Press [stop] button, [EQ BAND/MEMORY] button and [REC TO USB] button simultaneously.
3. The message “AMP TEST IN” appears of the fluorescent indicator tube.
Check of VACS Display/AMP Adjustment Select
1. Press [REC TO TAPE] button repeatedly until a message “V0 0 0” appears on the fluorescent indicator tube. “0” represents VACS level which is triggered by signal level.
2. Press [REC TO TAPE] button repeatedly until a message “D +6 +2 +4” appears on the fluorescent indicator tube. “+6” represents Equalizer Low level, “+2” represents Equalizer Mid level and “+4” represents Equalizer High level.
Check of Equalizer Band Select
1. Press [EQ BAND/MEMORY] button repeatedly until a message “LOW +6 dB” appears on the fluorescent indicator tube. EQ Band is set to Low level.
2. Press [EQ BAND/MEMORY] button repeatedly until a message “MID +2 dB” appears on the fluorescent indicator tube. EQ Band is set to Middle level.
3. Press [EQ BAND/MEMORY] button repeatedly until a message “HIGH +4 dB” appears on the fluorescent indicator tube. EQ Band is set to High level.
Change of Equalizer Band
1. Press [EQ BAND/MEMORY] button repeatedly until a message “LOW +6 dB” appears on the fluorescent indicator tube.
2. When the [OPERATION DIAL] ring is turned clockwise or counter-clockwise even slightly, “LOW +6 dB” change to “LOW –8 dB” y “LOW +8 dB” appears on the fluorescent indicator tube.
3. Press [EQ BAND/MEMORY] button repeatedly until a message “MID +2 dB” appears on the fluorescent indicator tube.
4. When the [OPERATION DIAL] ring is turned clockwise or counter-clockwise even slightly, “MID +2 dB” change to “MID –8 dB” y “MID +8 dB” appears on the fluorescent indicator tube.
5. Press [EQ BAND/MEMORY] button repeatedly until a message “HIGH +4 dB” appears on the fluorescent indicator tube.
6. When the [OPERATION DIAL] ring is turned clockwise or counter-clockwise even slightly, “HIGH +4 dB” change to “HIGH –8 dB” y “HIGH +8 dB” appears on the fluorescent indicator tube.
Check of DBFB ON/OFF Select
Press [OPTIONS] button repeatedly until a message “DBFB OFF” or “DBFB ON” appears on the fluorescent indicator tube.
To release from AMP Test Mode
To release from this mode, press [STOP] button, [EQ BAND/ MEMORY] button and [power] button simultaneously.
TCM OFFLINE MODE
This mode prevents the system from tuning off automatically when TCM is not connected. Therefore, measurements can be done even when TCM is not connected during production.
1. Press [POWER] button to turn on the system.
2. Press [SOUND FIELD] button, [EQ BAND/MEMORY] button and [power] button simultaneously. The system will turn on automatically.
3. The message “TCM OFFLINE” appears on the fluorescent indicator tube.
To release from TCM OFFLINE Mode
To release from this model, press [power] button.
PANEL TEST MODE
This mode is used to check the fluorescent indicator tube, LEDs, button, MASTER VOLUME dial OPERATION DIAL ring, system software version, DVD ib version, model name and destination.
1. Press [power] button to turn on the system.
2. Press [x] button, [ILLUMINATION] button and [DISC 2] button simultaneously.
3. Power illumination LEDs and segment in fluorescent indicator tube are lighted up.
4. When you want to enter to the system software version display model, press [DISC 1] button. The system software version appears on the fluorescent indicator tube.  Press [DISC 1] button again, the DVD lib version appears on the fluorescent indicator tube.
5. Press [DISC 2] button the key encode test mode is activated.
6. In the key encode test mode, the fluorescent indicator tube displays “KEY 0 0 0 0”.  Each time a button pressed change the each numbers.
7. Press [DISC 3] buttons the mode name and destination on the fluorescent indicator tube.
To release from Panel Test Mode
To release from this mode, press [stop] button, [ILLUMINATION] button and [DISC 2] button simultaneously.
DVD SHIP MODE (WITHOUT MEMORY CLEAR
This mode moves the optical pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair.
1. Press [power] button to turn on the system.
2. Press [DVD] button, to set the “DVD NO DISC” mode.
3. Press [ < > ] button and [power] button simultaneously.  The system will turn off automatically.
4. After the “STANDBY” blinking display finishes, a message “LOCK” appears on the fluorescent indicator tube and the DVD ship mode is set.
To release from DVD Ship Mode
To release from this model, press [power] button.
DVD SHIP MODE (WITHOUT MEMORY CLEAR
This mode moves the optical pick-up to the position durable to vibration and clears all data including pre-set data stored in the RAM to initial conditions after the power supply is turned off. Use this mode when returning the set to the customer after repair.
1. Press [power] button to turn on the system.
2. Press [DVD] button, to set the “DVD NO DISC” mode.
3. Press [ENTER] button, [GROOVE] button and [power] button simultaneously.
4. After the “STANDBY” blinking display finishes, a message “COLD RESET” appears on the fluorescent indicator tube and the DVD ship mode is set.
To release from DVD Ship Mode
To release from this model, press [power] button.
DISC THEFT PREVENTION MODE
This mode let you lock the disc tray. When this mode is activated, the disc tray will not open.
1. Press [power] button to turn on the system.
2. Press [DVD] button.
3. Press [stop] button and [ ^  OPEN/CLOSE] button simultaneously and hold down until “LOCKED” or “UNLOCKED” appears on the fluorescent indicator tube (around 5 seconds).
To release from Disc Theft Prevention Mode
To release from this model, press [power] button.
DVD COLOUR SYSTEM MODE
This mode let you change the colour system of the video output from PAL to NTSC or vice-versa.
1. Press [power] button to turn on the system.
2. Press [DVD] button.
3. Press [power] button to turn off the system.
4. Press [Pause] button and [power] button simultaneously.  The system will turn off automatically.
5. The message “COLOUR PAL” or “COLOUR NTSC” appears on the fluorescent indicator tube.
To release from DVD Colour System Mode
To release from this model, press [power] button.
DVD FIRMWARE VERSION MODE
This mode is used to display the DVD firmware version.
1. Press [power] button to turn on the system.
2. Press [DVD] button.
3. Press [stop] button and [power] button simultaneously.
4. The version of DVD firmware appears on the on-screen display on TV.
To release from DVD Firmware Version Mode
To release from this mode, press [power] button.
DVD REBOOT AVOIDANCE MODE
This mode is used to display the DVD Reboot Avoidance.
Procedure:
1. Press [power] button to turn on the system.
2. Press [DVD] button.
3. Press [DVD] button, [stop] button and [DISC 3] button simultaneously.
4. The message “MTK DBG” appears on the fluorescent indicator tube.
To release from DVD Reboot Avoidance Mode
To release from this mode, press [power] button.
AM TUNER set:  The step interval of AM channels can be toggled between 9 kHz and 10 kHz.
1. Press [power] button to turn off the system.
2. Press [TUNER/BAND] button repeatedly to select the “AM”.
3. Press [power] button to turn on the system.
4. Press [TUNING +] button and [power] button simultaneously.  The system will turn on automatically.
5. The message “AM 9k STEP” or “AM 10k STEP” appears on the fluorescent indicator tube and thus the channel step change.
VIDEO/SAT FUNCTION CHANGE
This mode let you change from VIDEO to SAT and vice-versa.
1. Press [power] button to turn on the system.
2. Press [VIDEO/SAT] button.
3. Press [VIDEO/SAT] button and [power] button simultaneously.  The function will change to SAT. Press the same button again to change from SAT to VIDEO.
DVD SERVICE MODE
This mode let you make diagnosis and adjustment easily by using the remote commander and the TV. The instructions, diagnostic results, etc. are given on the on-screen display.
TEST DISC LIST
Be sure to use the DVD disc that matches the signal standards of your region.
CD
YEDS-18 (Part No.: 3-702-101-01)
PATD-012 (Part No.: 4-225-203-01)

DVD SL (Single Layer)
NTSC : HLX-503 (Part No.: J-6090-069-A)
HLX-504 (Part No.: J-6090-088-A)
PAL : HLX-506 (Part No.: J-6090-077-A)

DVD DL (Dual Layer)
NTSC : HLX-501 (Part No.: J-6090-071-A)
HLX-505 (Part No.: J-6090-089-A)
PAL : HLX-507 (Part No.: J-6090-078-A)
Procedure to enter to DVD Service Mode
1. Press [power] button to turn on the system.
2. Press [DVD] button.
3. Press [x] button and [Z OPEN/CLOSE] button simultaneously and then turn the [MASTER VOLUME] dial clockwise.
4. The message “SERVICE IN” appears on the fluorescent indicator tube and the Top Menu of Remocon Diagnosis Menu appears on the on-screen display on the TV. The model name, main unit’s micom version information (IF-con) and DVD firmware version information (Syscon) are displayed at the bottom of the on-screen display.
5. To execute each function, press its number by using numeric button on the remote commander.
6. To release from this mode, press [power] button to turn off the system.
Execute IOP Measurement
In order to execute IOP measurement; the following standard procedures must be followed.
From the Top Menu of Remocon Diagnosis Menu, select “2.  Drive Manual Operation” by pressing the [2] button on the remote commander. The following screen appears on the on-screen display.
Select “3. Manual Adjustment” by pressing the [3] button on the remote commander. The following screen appears on the on-screen display.
3. Select “6. Iop:” by pressing [6] button on the remote commander.
4. Wait until a hexadecimal number appears in the on-screen display as below
5. Convert data from hexadecimal to decimal by using conversion table.
6. Please find the label on the rear of the BU (Base Unit).  The default IOP value is written in the label.
7. Subtract between these two values.
8. If the remainder is smaller than 93 (decimal), then it is OK.  However if the value is higher than 93, then the BU is defective and need to be change.
9. Press [RETURN] button on the remote commander to return to previous menu.
10. Press [0] button on the remote commander to return to the Top Menu of Remocon Diagnosis Menu.
11. Press [power] button to turn off the system.
Check Emergency History
From the Top Menu of Remocon Diagnosis Menu, select “3. Emergency History” by pressing the [3] button on the remote commander. The following screen appears on the on-screen display.
2. You can check the total time when the laser is turned on during playback of DVD and CD from the above menu. The maximum time, which can be displayed are 999h 59min.
3. You can check the error code of latest 10 emergency history from the above menu. To view the previous or next page of emergency history, press [|<<] or [>>|] on the remote commander. The error code consists of;
Error Code
The meaning of error codes
01: Communication error (No reply from syscon)
02: Syscon hung up
03: Power OFF request when syscon hung up
19: Thermal shut-down
24: MoveSledHome error
25: Mechanical move error (5 Changer)
26: Mechanical move stack error
30: DC motor adjustment error
31: DPD offset adjustment error
32: TE balance adjustment error
33: TE sensor adjustment error
34: TE loop gain adjustment error
35: FE loop gain adjustment error
36: Bad jitter after adjustment
40: Focus NG
42: Focus layer jump NG
52: Open kick spindle error
51: Spindle stop error
60: Focus on error
61: Seek fail error
62: Read Q data/ID error
70: Lead in data read fail
71: TOC read time out (CD)
80: Can’t buffering
81: Unknown media type