DOWNLOAD Sony CMT-DV2D / HCD-DV2D Service Manual ↓ Size: 7.16 MB | Pages: 71 in PDF or view online for FREE

Model
CMT-DV2D HCD-DV2D
Pages
71
Size
7.16 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-dv2d-hcd-dv2d.pdf
Date
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Sony CMT-DV2D / HCD-DV2D Service Manual ▷ View online

37
37
HCD-DV2D
HCD-DV2D
7-13. SCHEMATIC DIAGRAM — AMP SECTION —
•
 See page 44 for IC Block Diagram.
0
0
2.6
0
0
0
31.6
0
0
0
0
32.9
-32.8
-31.3
-1.0
0
0
-1.0
0
0
0.7
0
0
0
0
0.7
0
1.0
4.9
0
4.9
0
0
0
-5.2
4.9
-5.2
17.2
16.8
0
0
4.9
12.9
13.0
0
0
4.5
12.3
16.7
12.9
12.3
17.2
4.9
0
12.3
0
12.3
1.0
0
0.7
0.6
12.3
6.0
1.0
NO MARK : FM
MAIN
BOARD
CN107
(Page 28)
MAIN
BOARD
CN103
(Page 28)
HP BOARD
CW101
(Page 33)
(TO FAN)
IC103
H
I
K
MAIN
BOARD
CN105
(Page 28)
E
AMP BOARD
POWER AMP
070
MUTE CONT
OVER LOAD
DETECT
DC PROTECT
FAN CURRENT
DETECT
FAN CURRENT
DETECT
Q350-Q352
FAN CONT
DC PROTECT
PROTECT SWITCH
SWITCH
SWITCH
+12V REG
+12V REG
DC PROTECT
Q103, Q104
OVER LOAD
DETECT
MUTE
MUTE
IC B/D
US, CND
EXCEPT
US, CND
38
38
HCD-DV2D
HCD-DV2D
7-14. SCHEMATIC DIAGRAM — POWER SECTION (E2, E3, E51, SP, TW MODEL) —
MAIN
BOARD
CN301
(Page 28)
FW901
D
*
*
Not replaceable : Built in transformer
POWER TRANS FORMER (MAIN)
POWER TRANS FORMER (SUB)
JW909
JW
JW908
JW
VOLTAGE SELECTOR
AC IN
POWER BOARD
(E2, E3, E51, SP, TW MODELS)
TW
TW
E2, E3, E51, SP
JW906
JW905
JW913
F901
T1AL/250V
Ver. 1.2
39
39
HCD-DV2D
HCD-DV2D
7-15. SCHEMATIC DIAGRAM — POWER SECTION (US, CND MODEL) —
MAIN
BOARD
CN301
(Page 28)
D
FW901
*
*
Not replaceable : Built in transformer
POWER TRANS FORMER (MAIN)
POWER TRANS FORMER (SUB)
JW903
R902
3.3M
POWER BOARD
(US,CND MODELS)
AC IN
F901 
1.6A / 250V
JW905
JW904
JW906
JW907
25V
Ver. 1.2
40
40
HCD-DV2D
HCD-DV2D
• Waveforms
– MAIN Board –
– MPEG Board –
1
  IC501 
ej
 (XT2)
30.5 
µ
s
5.3 Vp-p
1 V/DIV, 10 
µ
s/DIV
2
  IC501 
r;
 (X2)
120 ns
5.0 Vp-p
1 V/DIV, 50 ns/DIV
3
  Q212 (collector)(TAPE REC)
10.7 
µ
s
91.2 Vp-p
20 V/DIV, 5 
µ
s/DIV
4
  U707 
<zcv
  (XIN)
58.9 ns
3.9 Vp-p
1 V/DIV, 25 ns/DIV
5
  UD705 
<zn/
  (XO)
37 ns
3.5 Vp-p
1 V/DIV, 10 ns/DIV
7
  UD705 
<zm/
  (CVBS/C)
H
950 mVp-p
500 mV/DIV, 10 
µ
s/DIV
6
  UD705 
<zn.
  (CVBS/G/Y)
        (AEP,UK,RU)
H
640 mVp-p
500 mV/DIV, 20 
µ
s/DIV
9
  UD705 
<zmc
  (C/B/U)
        (AEP,UK,RU)
H
592 mVp-p
500 mV/DIV, 20 
µ
s/DIV
8
  UD705 
<zmx
  (Y/R/V)
        (AEP,UK,RU)
H
530 mVp-p
500 mV/DIV, 20 
µ
s/DIV
IC651  uPD16315GB-3BS
•
IC Block Diagrams
– KEY Board –
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
LED1
LED2
LED3
LED4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG20/GRID9
SEG21/GRID8
SEG22/GRID7
SEG23/GRID6
SEG24/GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11/KS11
SEG12/KS12
SEG13/KS13
SEG14/KS14
SEG15/KS15
SEG16/KS16
VEE
SEG17/GRID12
SEG18/GRID11
SEG19/GRID10
Ver. 1.2
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