Sony HCD-GNZ77D / HCD-GNZ88D / MHC-GNZ77D / MHC-GNZ88D Service Manual ▷ View online
5
TABLE OF CONTENTS
HCD-GNZ77D/GNZ88D
1. GENERAL
Main Unit ................................................................................ 6
Remote Control ....................................................................... 8
Remote Control ....................................................................... 8
2. DISASSEMBLY
2-1. Cabinet Steel Case ............................................................. 10
2-2. Loading Panel .................................................................... 10
2-3. Front Panel Section ........................................................... 11
2-4. DVD Block Section ........................................................... 11
2-5. Back Panel Section ............................................................ 12
2-6. Main Board, ADC Board .................................................. 12
2-7. Speaker Board, S-Master Board ........................................ 13
2-8. Power Board ...................................................................... 13
2-9. Tape Mechanism Deck ...................................................... 14
2-10. Holder TC-R Assy, Holder TC-L Assy ............................. 14
2-11. Mic Board ......................................................................... 15
2-12. Karaoke Board, Video Board ............................................ 15
2-13. DMB15 Board ................................................................... 16
2-14. Sensor Board ..................................................................... 16
2-15. Motor (TB) Board ............................................................. 17
2-16. Motor (LD) Board ............................................................. 17
2-17. Pick-Up Unit ..................................................................... 18
2-18. SW Board, Driver Board ................................................... 18
2-2. Loading Panel .................................................................... 10
2-3. Front Panel Section ........................................................... 11
2-4. DVD Block Section ........................................................... 11
2-5. Back Panel Section ............................................................ 12
2-6. Main Board, ADC Board .................................................. 12
2-7. Speaker Board, S-Master Board ........................................ 13
2-8. Power Board ...................................................................... 13
2-9. Tape Mechanism Deck ...................................................... 14
2-10. Holder TC-R Assy, Holder TC-L Assy ............................. 14
2-11. Mic Board ......................................................................... 15
2-12. Karaoke Board, Video Board ............................................ 15
2-13. DMB15 Board ................................................................... 16
2-14. Sensor Board ..................................................................... 16
2-15. Motor (TB) Board ............................................................. 17
2-16. Motor (LD) Board ............................................................. 17
2-17. Pick-Up Unit ..................................................................... 18
2-18. SW Board, Driver Board ................................................... 18
3. TEST MODE
..................................................................... 19
4. MECHANICAL ADJUSTMENTS
............................... 23
5. ELECTRICAL ADJUSTMENTS
................................. 24
6. DIAGRAMS
6-1. Block Diagram — RF/Servo Section — ........................... 27
6-2. Block Diagram — Video Section — ................................. 28
6-3. Block Diagram — Main Section — .................................. 29
6-4. Block Diagram — Audio Section — ................................ 30
6-5. Block Diagram — Function/Power Section — ................. 31
6-6. Circuit Boards Location .................................................... 32
6-7. Printed Wiring Boards — Driver Section — ..................... 34
6-8. Schematic Diagram — Driver Section — ......................... 35
6-9. Printed Wiring Board — DMB15 Section — ................... 36
6-10. Schematic Diagram — DMB15 Section (1/5) — ............. 38
6-11. Schematic Diagram — DMB15 Section (2/5) — ............. 39
6-12. Schematic Diagram — DMB15 Section (3/5) — ............. 40
6-13. Schematic Diagram — DMB15 Section (4/5) — ............. 41
6-14. Schematic Diagram — DMB15 Section (5/5) — ............. 42
6-2. Block Diagram — Video Section — ................................. 28
6-3. Block Diagram — Main Section — .................................. 29
6-4. Block Diagram — Audio Section — ................................ 30
6-5. Block Diagram — Function/Power Section — ................. 31
6-6. Circuit Boards Location .................................................... 32
6-7. Printed Wiring Boards — Driver Section — ..................... 34
6-8. Schematic Diagram — Driver Section — ......................... 35
6-9. Printed Wiring Board — DMB15 Section — ................... 36
6-10. Schematic Diagram — DMB15 Section (1/5) — ............. 38
6-11. Schematic Diagram — DMB15 Section (2/5) — ............. 39
6-12. Schematic Diagram — DMB15 Section (3/5) — ............. 40
6-13. Schematic Diagram — DMB15 Section (4/5) — ............. 41
6-14. Schematic Diagram — DMB15 Section (5/5) — ............. 42
6-15. Printed Wiring Board — Main Section — ........................ 43
6-16. Schematic Diagram — Main Section (1/4) — .................. 44
6-17. Schematic Diagram — Main Section (2/4) — .................. 45
6-18. Schematic Diagram — Main Section (3/4) — .................. 46
6-19. Schematic Diagram — Main Section (4/4) — .................. 47
6-20. Printed Wiring Board — S-Master Section — .................. 48
6-21. Schematic Diagram — S-Master Section (1/4) — ............ 50
6-22. Schematic Diagram — S-Master Section (2/4) — ............ 51
6-23. Schematic Diagram — S-Master Section (3/4) — ............ 52
6-24. Schematic Diagram — S-Master Section (4/4) — ............ 53
6-25. Printed Wiring Board — ADC Section — ........................ 54
6-26. Schematic Diagram — ADC Section — ........................... 55
6-27. Printed Wiring Boards — Panel Section — ...................... 56
6-28. Printed Wiring Board — Volume Section — .................... 57
6-29. Schematic Diagram — Panel Section — .......................... 58
6-30. Printed Wiring Board — Mic Section — .......................... 59
6-31. Schematic Diagram — Mic Section — ............................. 60
6-32. Printed Wiring Board — Karaoke Section — ................... 61
6-33. Schematic Diagram — Karaoke Section — ...................... 62
6-34. Printed Wiring Board — Video Section — ....................... 63
6-35. Schematic Diagram — Video Section — .......................... 64
6-36. Printed Wiring Board — Speaker Section — ................... 65
6-37. Schematic Diagram — Speaker Section — ...................... 66
6-38. Printed Wiring Board — Power Section — ...................... 67
6-39. Schematic Diagram — Power Section — ......................... 68
6-16. Schematic Diagram — Main Section (1/4) — .................. 44
6-17. Schematic Diagram — Main Section (2/4) — .................. 45
6-18. Schematic Diagram — Main Section (3/4) — .................. 46
6-19. Schematic Diagram — Main Section (4/4) — .................. 47
6-20. Printed Wiring Board — S-Master Section — .................. 48
6-21. Schematic Diagram — S-Master Section (1/4) — ............ 50
6-22. Schematic Diagram — S-Master Section (2/4) — ............ 51
6-23. Schematic Diagram — S-Master Section (3/4) — ............ 52
6-24. Schematic Diagram — S-Master Section (4/4) — ............ 53
6-25. Printed Wiring Board — ADC Section — ........................ 54
6-26. Schematic Diagram — ADC Section — ........................... 55
6-27. Printed Wiring Boards — Panel Section — ...................... 56
6-28. Printed Wiring Board — Volume Section — .................... 57
6-29. Schematic Diagram — Panel Section — .......................... 58
6-30. Printed Wiring Board — Mic Section — .......................... 59
6-31. Schematic Diagram — Mic Section — ............................. 60
6-32. Printed Wiring Board — Karaoke Section — ................... 61
6-33. Schematic Diagram — Karaoke Section — ...................... 62
6-34. Printed Wiring Board — Video Section — ....................... 63
6-35. Schematic Diagram — Video Section — .......................... 64
6-36. Printed Wiring Board — Speaker Section — ................... 65
6-37. Schematic Diagram — Speaker Section — ...................... 66
6-38. Printed Wiring Board — Power Section — ...................... 67
6-39. Schematic Diagram — Power Section — ......................... 68
7. EXPLODED VIEWS
7-1. Main Section ..................................................................... 79
7-2. Front Panel Section (1) ...................................................... 80
7-3. Front Panel Section (2) ...................................................... 81
7-4. Front Panel Section (3) ...................................................... 82
7-5. Chassis Section (HCD-GNZ88D) ..................................... 83
7-6. Chassis Section (HCD-GNZ77D) ..................................... 84
7-7. DVD Block Section ........................................................... 85
7-8. DVD Mechanism Deck Section (1) .................................. 86
7-9. DVD Mechanism Deck Section (2) .................................. 87
7-2. Front Panel Section (1) ...................................................... 80
7-3. Front Panel Section (2) ...................................................... 81
7-4. Front Panel Section (3) ...................................................... 82
7-5. Chassis Section (HCD-GNZ88D) ..................................... 83
7-6. Chassis Section (HCD-GNZ77D) ..................................... 84
7-7. DVD Block Section ........................................................... 85
7-8. DVD Mechanism Deck Section (1) .................................. 86
7-9. DVD Mechanism Deck Section (2) .................................. 87
8. ELECTRICAL PARTS LIST
........................................ 88
6
HCD-GNZ77D/GNZ88D
SECTION 1
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
104
GB
Unit
CD SYNC 8 (61)
Deck A wk (60)
Deck B qj (60–62, 75)
DIRECTION ea (60–62, 73, 75)
DISC 1 ~ 3 q; (25, 28, 29)
DISC SKIP/EX-CHANGE qa
Deck A wk (60)
Deck B qj (60–62, 75)
DIRECTION ea (60–62, 73, 75)
DISC 1 ~ 3 q; (25, 28, 29)
DISC SKIP/EX-CHANGE qa
(18, 23, 25)
Disc tray 7 (18, 19, 23, 26–29,
33–36, 38, 69–71, 86, 87, 91)
DISPLAY r; (21, 76, 77)
Display 4 (77)
DVD eh (18, 19, 21, 24, 25, 61,
Display 4 (77)
DVD eh (18, 19, 21, 24, 25, 61,
62, 67, 72, 76, 88)
ECHO LEVEL
1)
ws (67)
EQ BAND/MEMORY 3 (64)
GROOVE qk (63)
ILLUMINATION el (58, 77, 90)
IR Receptor 2 (17, 85)
MASTER VOLUME ql (24, 56,
GROOVE qk (63)
ILLUMINATION el (58, 77, 90)
IR Receptor 2 (17, 85)
MASTER VOLUME ql (24, 56,
74, 77, 85)
MIC
2)
(jack) wh (67, 72, 85, 94)
MIC 1
1)
(jack) wh (67, 72, 85, 94)
MIC 2
1)
(jack) wg (67, 72, 85, 94)
MIC LEVEL
2)
wf (67, 72, 85)
MIC 1 LEVEL
1)
wf (67, 72, 85)
MIC 2 LEVEL
1)
wd (67, 72, 85)
PHONES (jack) w; (85, 94)
Power illuminator wj (77)
PRESET EQ wl (63, 64)
REC PAUSE/START 6 (61, 62,
Power illuminator wj (77)
PRESET EQ wl (63, 64)
REC PAUSE/START 6 (61, 62,
72)
SOUND FIELD 5 (65, 83)
SUB WOOFER ON/OFF
SUB WOOFER ON/OFF
3)
ej
(67)
TAPE A/B ef
(
60–62, 72, 75, 76
)
Tape lid qj wk (60)
TUNER/BAND eg (57–59, 76)
TUNING +/– qh (57–59)
TV/SAT
TUNER/BAND eg (57–59, 76)
TUNING +/– qh (57–59)
TV/SAT
1)
ed (62, 76, 84, 86)
VIDEO
1)
es (62, 76, 84)
VIDEO INPUT
1)
(jacks) wa (83,
94)
?/1 (on/standby) ek (16, 18, 58,
84, 90)
Z OPEN/CLOSE 9 (18, 19, 23,
25, 86)
nN (play) qs (24–27, 31, 33,
35, 36, 38, 48, 51, 60–62, 73,
75, 85, 87)
75, 85, 87)
. OPERATION DIAL >
(go backward/forward) 1
(24, 32, 34, 39, 59, 62, 64, 65)
(24, 32, 34, 39, 59, 62, 64, 65)
mM (rewind/fast forward)
qh (24, 60, 88)
qh (25)
X (pause) qd (16)
x (stop) qf (61–62, 73, 86, 87,
x (stop) qf (61–62, 73, 86, 87,
90)
Z PUSH (Eject A) e; (60)
Z PUSH (Eject B) qg (60)
Z PUSH (Eject B) qg (60)
1)
Except for MHC-GNZ55D.
2)
MHC-GNZ55D only.
3)
MHC-GN999D/
MHC-GN999DS only.
MHC-GN999DS only.
List of button locations and reference pages
How to use page 104 to 106
Use this page to find the location of buttons and other
parts of the unit and remote that are mentioned in the
text.
parts of the unit and remote that are mentioned in the
text.
Illustration number
r
TAPE A/B ef (60–62, 72, 75, 76)
R
R
Name of button/part
Reference page
ALPHABETICAL ORDER
A — D
E — O
P — Z
SYMBOLS
7
HCD-GNZ77D/GNZ88D
Ad
ditional Inf
ditional Inf
ormation
105
GB
Top view
Front view
1
2
34 5 6
9
8
7
q;
qa
qs
qd
qf
qg
qh
qj
qk
wa
ql
ws
wf
e;
wl
wk
wj
ea
es
ed
ef
eg
eh
ej
ek
el
r;
w;
wd
whwg
continued
8
HCD-GNZ77D/GNZ88D
106
GB
Remote control
ADVANCE
wf (25)
ALBUM +/– qa (20, 24)
ANGLE q; (44)
AUDIO 8 (34, 43, 67, 70, 83)
CLEAR wk (20, 27–30, 35, 41, 53)
DISC SKIP 3 (25, 28, 29)
DISPLAY ed (21, 76, 77)
ENTER wh(18–20, 27–31, 34, 36–39, 40, 42, 45–50,
ANGLE q; (44)
AUDIO 8 (34, 43, 67, 70, 83)
CLEAR wk (20, 27–30, 35, 41, 53)
DISC SKIP 3 (25, 28, 29)
DISPLAY ed (21, 76, 77)
ENTER wh(18–20, 27–31, 34, 36–39, 40, 42, 45–50,
53, 56–59, 68–71, 74–76, 90)
FM MODE 7 (59, 89)
FUNCTION +/– 4 (19, 24, 57–60, 67, 75, 84, 88)
KARAOKE MODE ea (68, 88)
KARAOKE PON e; (68)
KEY CONTROL #/2 es (69)
FUNCTION +/– 4 (19, 24, 57–60, 67, 75, 84, 88)
KARAOKE MODE ea (68, 88)
KARAOKE PON e; (68)
KEY CONTROL #/2 es (69)
MENU qs (30, 32, 34–36, 39, 57, 58)
Numeric Buttons
Numeric Buttons
1)2)
wl (17, 20, 21, 24, 30, 31, 41,
46–50, 59)
PICTURE NAVI 6 (35, 36, 41)
PRESET + qh (57–59)
PRESET – wd (57–59)
REPEAT 7 (30)
REPLAY
PRESET + qh (57–59)
PRESET – wd (57–59)
REPEAT 7 (30)
REPLAY
wf (25)
SCORE
3)
5 (72)
SLEEP eg (20, 74)
SLOW
SLOW
qj (25)
SLOW
ws (25)
SOUND FIELD 5
4)
qd
3)
(65, 83)
STEP C wf (25)
SUBTITLE 9 (44)
SUBTITLE 9 (44)
THEATRE SYNC 1 (21)
TIMER MENU eh (18, 74–76)
TIME/TEXT ef (77–79)
TOP MENU wj (30)
TUNING + qj (57–59)
TUNING – ws (57–59)
TV
TIMER MENU eh (18, 74–76)
TIME/TEXT ef (77–79)
TOP MENU wj (30)
TUNING + qj (57–59)
TUNING – ws (57–59)
TV
2)
w; (17)
TV CH +
2)
qh (17)
TV CH –
2)
wd (17)
TV/VIDEO
2)
eg (17)
TV VOL +/–
1)2)
qf (17)
TV &/1
(on/standby)
2)
2 (17)
VOLUME +/–
1)
qf (24, 56, 74, 77, 85)
?/1 (on/standby) 2 (16, 18, 74, 75, 85)
x (stop) qk (24, 26, 32, 34–36, 39, 45, 58, 60, 75, 86,
x (stop) qk (24, 26, 32, 34–36, 39, 45, 58, 60, 75, 86,
87)
X (pause) ql (24, 60)
H
H
1)
(play) wa(24–27, 31, 33, 35, 36, 38, 48, 51,
60, 75, 85, 87)
> (go forward) qh(21, 24, 32, 34, 39)
. (go backward) wd(24, 32, 34, 39)
M (fast forward) qj (24, 60, 88)
m (rewind) ws (24, 60, 88)
. (go backward) wd(24, 32, 34, 39)
M (fast forward) qj (24, 60, 88)
m (rewind) ws (24, 60, 88)
V
/
v
/
B
/
b
wh (18, 19, 27–31, 33–42, 45–50, 56, 65,
68–72, 74–76, 90)
10/0
2)
wl
-/--
2)
wk (17)
O RETURN wg (31, 34, 39, 42)
DISPLAY qg (9, 20, 26–31, 36, 37, 40–42, 45, 47,
49, 56, 68–72, 80, 90)
c STEP wf (25)
1)
The numeric button 5, TV VOL +, VOLUME + and
H buttons have a tactile dot. Use the tactile dot as
a reference when operating the system.
H buttons have a tactile dot. Use the tactile dot as
a reference when operating the system.
2)
This button is used to operate a Sony TV. For
details, see “Operating a Sony TV with the remote”
on page 17.
details, see “Operating a Sony TV with the remote”
on page 17.
3)
MHC-GN999D/MHC-GN999DS/
MHC-GNZ88D/MHC-GNZ77D only.
MHC-GNZ88D/MHC-GNZ77D only.
4)
MHC-GNZ55D only.
ALPHABETICAL ORDER
A — L
M — S
T — Z
NUMBERS AND SYMBOLS
7
5
q;
qh
qj
qk
ql
wa
wd
wf
wh
wj
wk
wl
ea
es
ed
ef
eg
eh
e;
qg
qf
qs
qa
9
8
6
4
3
1
2
w;
ws
wg
qd
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