Sony HCD-EX66 / HCD-EX88 / HCD-EX99 / MHC-EX66 / MHC-EX88 / MHC-EX99 Service Manual ▷ View online
HCD-EX66/EX88/EX99
5
SERVICE POSITION OF CDM76
SERVICE POSITION OF BOARDS
top panel section
BD76 board
stand
AMP SMPS board
PANEL board
tuner unit
(TUNER board)
(TUNER board)
HCD-EX66/EX88/EX99
6
HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF
pin
bracket
Pull the tray by the hand.
CAPACITOR DISCHARGE FOR ELECTRIC SHOCK PREVENTION
AMP SMPS board
In checking the AMP SMPS board, make a capacitor
discharge of C624 (EX66) or C625 (EX88) or C631
(EX99) and C914 for electrical shock prevention.
discharge of C624 (EX66) or C625 (EX88) or C631
(EX99) and C914 for electrical shock prevention.
(Right side view)
AMP SMPS board
C914
C624 (EX66)
C625 (EX88)
C631 (EX99)
C625 (EX88)
C631 (EX99)
800
:/2 W
800
:/2 W
HCD-EX66/EX88/EX99
7
PRECAUTION WHEN INSTALLING A NEW OP UNIT/
PRECAUTION BEFORE UNSOLDERING THE STATIC
ELECTRICITY PREVENTION SOLDER BRIDGE
PRECAUTION BEFORE UNSOLDERING THE STATIC
ELECTRICITY PREVENTION SOLDER BRIDGE
When installing a new OP unit, be sure to connect the fl exible
printed circuit board fi rst of all before removing the static electric-
ity prevention solder bridge by unsoldering.
Remove the static electricity prevention solder bridge by unsolder-
ing after the fl exible printed circuit board has already been con-
nected.
(Do not remove nor unsolder the solder bridge as long as the OP
unit is kept standalone.)
printed circuit board fi rst of all before removing the static electric-
ity prevention solder bridge by unsoldering.
Remove the static electricity prevention solder bridge by unsolder-
ing after the fl exible printed circuit board has already been con-
nected.
(Do not remove nor unsolder the solder bridge as long as the OP
unit is kept standalone.)
HCD-EX66/EX88/EX99
8
SECTION 2
DISASSEMBLY
• This set can be disassembled in the order shown below.
2-1. SIDE CASE (L),
SIDE CASE (R)
(Page 9)
2-2. TOP PANEL SECTION
(Page 9)
SET
2-3. SHIELD (POWER-PWB)
(Page 10)
2-7. KNOB (VOL)
(Page 13)
2-4. FRONT PANEL SECTION
(Page 10)
2-6. AMP SMPS BOARD
(Page 12)
2-5. BACK PANEL SECTION
(Page 11)
2-8. CD MECHANISM DECK
(Page 13)
2-9. BASE UNIT
(Page 14)
2-10. OPTICAL PICK-UP
(Page 14)
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