DOWNLOAD Sony HCD-GV6 / HCD-GV8 / LBT-GV6 / LBT-GV8 Service Manual ↓ Size: 9.39 MB | Pages: 91 in PDF or view online for FREE

Model
HCD-GV6 HCD-GV8 LBT-GV6 LBT-GV8
Pages
91
Size
9.39 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gv6-hcd-gv8-lbt-gv6-lbt-gv8.pdf
Date

Sony HCD-GV6 / HCD-GV8 / LBT-GV6 / LBT-GV8 Service Manual ▷ View online

HCD-GV6/GV8
26
26
W
7-9.
SCHEMATIC  DIAGRAM  – VIDEO Board (1/2) –
 See page 29 for Waveforms.
 See page 51 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : VIDEO CD PLAY
(Page 25)
(Page 36)
(Page 27)
(Page 35)
HCD-GV6/GV8
27
27
7-10. SCHEMATIC  DIAGRAM  – VIDEO Board (2/2) –
 See page 29 for Waveforms.
 See page 51 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark :VIDEO CD PLAY
: Impossible to measure
(Page 26)
HCD-GV6/GV8
28
28
7-11. PRINTED  WIRING  BOARD  – VIDEO Board –
 See page 23 for Circuit Boards Location.
• Semiconductor
Location
(Side A)
Ref. No.
Location
D301
B-5
D501
D-2
D502
H-1
IC101
H-5
IC401
B-2
IC504
G-5
IC505
D-4
IC507
D-6
IC509
G-6
Q301
B-5
Q304
C-2
Q306
B-5
Q307
B-4
Q308
B-4
Q310
B-3
Q502
D-2
• Semiconductor
Location
(Side B)
Ref. No.
Location
IC501
E-3
IC502
G-3
IC506
E-5
Q302
B-5
Q303
C-2
Q453
A-3
Q454
A-3
Q531
D-2
MAIN BOARD
CN701
BD
BOARD
CN101
MAIN BOARD
CN411
W
C571
V
(Page 38)
(Page 24)
(Page 38)
HCD-GV6/GV8
29
29
• Waveforms
– VIDEO  Board  –
1
IC501 
5
5 Vp-p
22.8 
µ
s
4.4 Vp-p
472 ns
4.8 Vp-p
16.7 ms
2
IC501 
qd
3
IC502 
qd
 (XOUT)
5
IC502 
rg
 (BUS)
4
IC502 
qg
 (XIN)
4.8 Vp-p
472 ns
4.8 Vp-p
22.8 
µ
s
8
IC505 
yl
 (Y-OUT)
(VIDEO CD Play mode)
1.7 Vp-p
H
7
IC505 
5
 (CD-LRCK)
5.2 Vp-p
60 ns
q;
IC505 
ih
 (DA-XCLK)
9
IC505 
ug
 (C-OUT)
(VIDEO CD Play mode)
H
0.5 Vp-p
3.1 Vp-p
16.7 ms
4.3 Vp-p
8.7 ms
6 Vp-p
22.6 
µ
s
qs
IC505 
<z/n
 (VCK-IN)
qd
IC505 
<z/,
  (DA-LRCK), IC509 
ql
 (LRCK)
4.8 Vp-p
472 ns
qf
 IC505 
<zzz
 (DA-BCK), IC509 
qj
 (BCK)
qg
Q301 (Base)
(VIDEO CD Play mode)
1.8 Vp-p
H
4.9 Vp-p
37 ns
qk
IC509 
4
 (MCKO)
H
1 Vp-p
0.9 Vp-p
H
6
IC505 
3
 (CD-BCK)
qh
Q303, 304 (Base)
(VIDEO CD Play mode)
qj
Q308 (Base)
(VIDEO CD Play mode)
4.8 Vp-p
30 ns
5.1 Vp-p
59 ns
w;
IC509 
wa
 (768FSO)
ql
IC509 
w;
 (384FSO)
wa
IC509 
wf
 (XT2)
wd
IC401 
8
 (VIN 2)
(VIDEO CD Play mode)
1.8 Vp-p
H
1 Vp-p
H
ws
IC401 
5
 (VOUT 2)
(VIDEO CD Play mode)
wf
IC401 
1
 (VIN 1)
(VIDEO CD Play mode)
1 Vp-p
H
2 Vp-p
H
wg
IC401 
4
 (VOUT 1)
(VIDEO CD Play mode)
wh
J301 
3
 (COUT)
(VIDEO CD Play mode)
wj
J301 
4
 (YOUT)
(VIDEO CD Play mode)
H
1 Vp-p
1.7 Vp-p
H
4.3 Vp-p
8.7 ms
wk
IC504 
6
(VIDEO CD Play mode)
5.2 Vp-p
60 ns
wl
IC504 
8
(VIDEO CD Play mode)
e;
IC504 
qs
(VIDEO CD Play mode)
2.8 Vp-p
60 ns
VIDEO CD Play mode:
When the track number 34 (Full Field Color Bar (75%)) of the test
disc played.
TEST DISC: HLV-401 (TGIS-3)
Part No. 4-978-510-01
(
)
4.1 Vp-p
100 ns
3.3 Vp-p
100 ns
qa
IC505 
od
 (PGIO2/VSYNK/CSYNK)
1 Vp-p
37 ns
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