Sony HCD-EC55 / HCD-EC77 / HCD-GX99 / MHC-EC55 / MHC-EC77 / MHC-GX99 Service Manual ▷ View online
17
HCD-EC55/EC77/GX99
3-13. OPTICAL PICK-UP (KSM-213DCP), BD90 BOARD
8
Remove the solderings from
the four points.
7
wire (flat type) (16 core)
(CN301)
(CN301)
q;
BD90 board
9
optical pick-up
(KSM-213DCP)
4
two screws (+PTPWHM 2.6)
1
two screws (+PTPWHM 2.6)
2
two coil springs (insulator)
3
two insulators
5
two coil springs (insulator)
6
two insulators
18
HCD-EC55/EC77/GX99
3-14. BELT (DLM3A)
2
two screws
3
cover
4
belt (DLM3A)
5
belt (DLM3A)
1
two screws
3-15. CHASSIS
2
two screws
(+BVTP3
×
10)
3
six screws
(+BVTP3
×
10)
8
back panel
1
clamp
0
four screws
(+BVTP4
×
12)
9
Remove the
solderings.
qa
chassis
qd
HOLD board
qs
screw
(+BVTP3
×
10)
4
two screws
(+BVTP3
×
10)
qf
POWER cord
PT board
power cord
groove
Route the harnesses as shown below.
6
two screws
(+BVTP3
×
10)
5
heatsink support
7
heatsink support
(EC77/GX99)
19
HCD-EC55/EC77/GX99
3-16. PT BOARD (EXCEPT EC55:US, CND), PT (U) BOARD (EC55:US, CND), POWER TRANSFORMER
1
four screws
(+BV4
×
8)
2
PT board,
power transformer
2
PT (U) board,
power transformer
(EXCEPT EC55:US,CND)
(EC55:US,CND)
3-17. LOW-AMP BOARD, HI-AMP BOARD (EC77/GX99)
6
LOW-AMP board
3
HI-AMP board
1
screw
(+BVTP3
×
10)
4
screw
(+BVTP3
×
10)
5
two transisitor
screws
2
two transisitor
screws
Ver. 1.2
20
HCD-EC55/EC77/GX99
3-18. HI-AMP BOARD (EC55)
3
HI-AMP board
1
screw
(+BV3
×
10)
2
two transisitor
screws
3-19. DC FAN
2
DC fan
1
four screws
(+BVTP3
×
10)
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