Sony HCD GRX8 – Aging Mode – Power Amplifier Circuit diagram - COMPACT DISC DECK RECEIVER - STK4231 – STK4221
Sony HCD-GRX8 - Sony HCDR800 - Sony HCDRX88 - Sony HCDRX99 is the tuner, deck, CD and amplifier section in MHC-GRX8-R800-RX88-RX99.
This mode can be used for checking the operations of the CD player and tape
deck.
When problems occur;
Aging stops, and the stopped state is displayed on the fluorescent display tube.
When no problems;
Aging continues.
When problems occur;
Aging stops, and the stopped state is displayed on the fluorescent display tube.
When no problems;
Aging continues.
Preparations
Set the CD on the DISC1 tray.
Insert a commercially available tape for recording (tapes which contents can be erased, etc.) in decks A and B.
Setting
the aging mode
Press the Stop button, ENTER/NEXT button, and DISC SKIP/EX-CHANGE button together.
When the aging mode is set, the CD roulette mark blinks. To exit the mode, press the Power button and turn OFF the power.
Press the Stop button, ENTER/NEXT button, and DISC SKIP/EX-CHANGE button together.
When the aging mode is set, the CD roulette mark blinks. To exit the mode, press the Power button and turn OFF the power.
Sequence
The aging mode is executed in the following sequence.
If the function is set to “CD” when the aging mode is set, aging is performed starting from the CD player. When set to “TAPE A” or “TAPE B”, aging is started from deck A.
If the function is set to others, aging will not be started until the function is switched to CD or TAPE.
The aging mode is executed in the following sequence.
If the function is set to “CD” when the aging mode is set, aging is performed starting from the CD player. When set to “TAPE A” or “TAPE B”, aging is started from deck A.
If the function is set to others, aging will not be started until the function is switched to CD or TAPE.
Aging
of CD player (12 minutes)
Aging of deck A and Aging of deck B together =>Maximum about 12 minutes.
Aging of deck A and Aging of deck B together =>Maximum about 12 minutes.
Display
of status
The aging status is displayed on the fluorescent display tube.
Normally, the CD player displays the remaining aging time. But if operations ended abnormally, it displays the cause.
During the aging of the tape deck, the operations performed will be displayed. If operations ended abnormally, this will be displayed at the fluorescent display tube.
The aging status is displayed on the fluorescent display tube.
Normally, the CD player displays the remaining aging time. But if operations ended abnormally, it displays the cause.
During the aging of the tape deck, the operations performed will be displayed. If operations ended abnormally, this will be displayed at the fluorescent display tube.
CD Player
During normal operations:
Display of fluorescent display tube [**1-@@]
**: Displays “CD” and the remaining aging time (minutes) alternately. The remaining aging time is counted down from 12.
@@: Track number being accessed.
NO
DISC ERR => DISC 1 is NO DISC from the beginning
FOCUS1 ERR => Focus is not imposed properly
FOCUS2 ERR => The focus deviated several times after the disc rotated normally
GFS ERR => GFS ERROR
FBIAS ERR => Error during focus bias adjustment
SENSOR ERR => DISC 1 was found to be NO DISC by the disc sensor
TABLE ERR => The table did not rotate normally
TRAY ERR => The tray containing the BD did not operate normally
FOCUS1 ERR => Focus is not imposed properly
FOCUS2 ERR => The focus deviated several times after the disc rotated normally
GFS ERR => GFS ERROR
FBIAS ERR => Error during focus bias adjustment
SENSOR ERR => DISC 1 was found to be NO DISC by the disc sensor
TABLE ERR => The table did not rotate normally
TRAY ERR => The tray containing the BD did not operate normally
Operations
during aging
Operations are performed in the following sequence during aging.
Operations are performed in the following sequence during aging.
CD
player
1. The
CD tray rotates and disc 1 is selected.
2. Chucking is performed.
3. TOC is read.
4. Track 1 played back for 2 seconds.
5. The last track is played back for 2 seconds.
6. 1 to 5 is repeated.
7. After 12 minutes of aging, aging is switched to the tape deck.
2. Chucking is performed.
3. TOC is read.
4. Track 1 played back for 2 seconds.
5. The last track is played back for 2 seconds.
6. 1 to 5 is repeated.
7. After 12 minutes of aging, aging is switched to the tape deck.
Tape
Deck
1. The
tape in deck A is rewound to the head.
2. The FWD side is played back for 2 minutes.
3. The tape is fast forwarded (FF) for 20 seconds. The following procedure is performed when the tape end is reached before the 20 seconds.
4. The REV side is played back for 2 minutes.
5. The tape is rewound to the head (REW).
6. The tape in deck B is rewound to the head.
7. The FWD side is played back for 2 minutes.
8. The tape is fast forwarded (FF) for 20 seconds. The following procedure is performed when the tape end is reached before the 20 seconds.
9. The REV side is played back for 2 minutes.
10. The tape is rewound to the head (REW).
11. Aging is switched to the CD player.
2. The FWD side is played back for 2 minutes.
3. The tape is fast forwarded (FF) for 20 seconds. The following procedure is performed when the tape end is reached before the 20 seconds.
4. The REV side is played back for 2 minutes.
5. The tape is rewound to the head (REW).
6. The tape in deck B is rewound to the head.
7. The FWD side is played back for 2 minutes.
8. The tape is fast forwarded (FF) for 20 seconds. The following procedure is performed when the tape end is reached before the 20 seconds.
9. The REV side is played back for 2 minutes.
10. The tape is rewound to the head (REW).
11. Aging is switched to the CD player.
HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF
Remove the Case.
Turn the cam to the direction of arrow.
Pull-out the disc tray.
Note for Installation (ROTARY ENCODER)
Power Amplifier - Schematic
Click on the pictures to zoom in
