Sony STR-DE1075 Service Manual ▷ View online
11
STR-DE1075
SECTION 5
ELECTRICAL ADJUSTMENT
OSD Adjustment
Connection
Procedure:
1. Short the CN306 pin 4 on the VIDEO board to the GND.
2. Connect a frequency counter to the CN306 pin 2 on the
1. Short the CN306 pin 4 on the VIDEO board to the GND.
2. Connect a frequency counter to the CN306 pin 2 on the
VIDEO board.
3. Press the
I
/1
button to turn on the main power.
4. Press the
[SET UP]
button.
5. Press the
[<]
or
[>]
button to display “OSD H.POSITION”.
8. Adjust the CT302 so that the frequency counter reading is
3.57954 MHz.
9. Press the
I
/1
button to turn off the main power.
10. Connect a frequency counter to the CN306 pin 1 on the
VIDEO board.
11. Press the
I
/1
button to turn on the main power.
12. Press the
[SET UP]
button.
13. Press the
[>]
button to display “OSD V.POSITION”.
14. Adjust the CT303 so that the frequency counter reading is 7.20
MHz.
Adjustment and Connection Loacation:
VIDEO board
CN306 pin
1
or pin
2
+
–
–
frequency counter
IC304
IC310
CT303
CT302
CN306
1
4
Ver 1.2
– VIDEO BOARD (Component Side) –
12
STR-DBE1075
MEMO
STR-DE1075
13
13
7
9
3
5
13
V3
V2. IN
TV
LD
V1. IN
10
4
14
6
2
15
1
SW2
SW3
SW1
SW4
SW5
V1.
OUT
M.
OUT
7
9
3
5
13
V3
V2. IN
TV
LD
V1. IN
10
4
14
6
2
15
1
SW2
SW3
SW1
SW4
SW5
V1.
OUT
M.
OUT
15
13
9
11
3
5
7
1
2
14
10
4
6
ANALOG
SWITCH
SERIAL
INPUT
CONTROL
BUFFER
Q304,
Q305
D304
D303
D751
D750
X302
14MHz
B
(Page 17)
DATA, CLK
FM
AM
10
L CH
12
R CH
1
CE
13
MUTING
2
DATA
3
CLOCK
14
TUNED
4
DO
15
STEREO
S LAT
MUTING
DATA
CLK
TUNED
DO
STEREO
FM/AM
TUNER UNIT
8
YOUT
6
COUT
7
VOUT
4
CIN
2
YIN
3
VIN
VIDEO BUFFER
IC305
27
YOUT
26
COUT
25
VOUT
15 EXD
16 XD
2
CIN
1
YIN
22
SCLK
23
SIN
24
CS
3
VIN
8
EXS
OSD DRIVER
IC307
CLOCK
IC304
8
9
11
10
CLK
DATA
LAT
105
106
107
29 VIDEO SW1
30 VIDEO SW2
31 VIDEO SW3
32 VIDEO SW4
SYSTEM
CONTROLLER
IC1703
(1/6)
J298 (1/2)
VIDEO 3
INPUT
VIDEO
VIDEO
TV/SAT IN VIDEO
DVD/LD IN VIDEO
IN VIDEO
OUT VIDEO
VIDEO 2
J305
J304
VIDEO 1
IN VIDEO
OUT VIDEO
J752 (2/2)
J750 (1/2)
J750 (2/2)
J752 (1/2)
C
Y
C
Y
C
Y
C
Y
C
Y
J751
J302
VIDEO SELECT
IC308
Y SWITCH
IC752
C SWITCH
IC750
A
(Page 14)
TU L OUT
FM 75
Ω
COAXIAL
AM
R-CH
• SIGNAL PATH
: TUNER
TV/SAT
S-VIDEO IN
DVD/LD
S-VIDEO IN
VIDEO 1
S-VIDEO IN
MONITOR
S-VIDEO OUT
MONITOR
OUT VIDEO
V1. OUT
V1. IN
V2. IN
V2. OUT
TV
LD
V3
M. OUT
SW5
SW1
SW2
SW3
SW4
BUFFER
: VIDEO IN
LEVEL SHIFT
IC310
VIDEO 1
S-VIDEO OUT
L. P. F.
FL302
LEVEL
SHIFT
IC312
IC312
20 TUNER MUTE
25 TUNER STEREO
19 TUNER AUTO STOP
23 TUNER DATA IN
40 TUNER LAT
MUTING
STEREO
TUNED
DO
SLAT
CT302
OSD
CT303
OSD
• R-ch is omitted due to same as L-ch.
6-1.
BLOCK DIAGRAM – TUNER/VIDEO INPUT Section –
SECTION 6
DIAGRAMS
Ver 1.2
STR-DE1075
14
14
CONTROL
CONTROL
CONTROL
108, 107, 105 – 102,
99, 98, 80 – 77,
75 – 72
96, 97, 109, 110, 112,
64 – 66, 82 – 85,
92 – 95
7 – 10, 13 – 16,
29 – 32, 35 – 38
5 – 1, 44 – 42,
27 – 24, 21 – 18
S-RAM
IC1502
IC1502
6
17
CS
WE
44
45
CSO
WEO
43, 44, 51, 32, 31,
22 – 20, 52, 53, 56,
79, 57, 58, 67, 68
105, 50, 42, 41, 34,
69, 70, 59, 77, 78, 95,
86, 122, 114, 115, 106
7 – 10, 13 – 16,
29 – 32, 35 – 38
5 – 1, 44 – 42,
27 – 24, 21 – 18
S-RAM
IC1602
IC1602
6
17
CS
WE
84
85
CSO
WEO
DATA
DEMODULATOR
LOCK
DETECT
TIMING
MICON INTERFACE
CLOCK
INPUT
IC1405
J1401
J202
AUDIO OUT
L
L
L
AUDIO IN
J298 (2/2)
L
VIDEO 2
VIDEO 1
J201
PHONO IN
L
L
CD/SACD IN
J302
IN
L
L
J303 (1/2)
L
L
DAT/MD
J201
L
L
L
J303 (2/2)
R-CH
RY301
RELAY
DRIVE
Q301
SIGNAL-END
DEFERENTIAL
CONVERTER
DIGITAL
∑
MODULATOR
SERIAL I/O
INTERFACE
CLOCK/
TIMING CONTROL RESET
/POWER CONTROL
6
DIGITAL AUDIO INTERFACE RECEIVER
IC1408
SCLK
SDAT
SLAT
SDAT
SLAT
SCLK
SDAT
SLAT
SCLK
J
(Page 17)
SCLK, SDAT, SLAT
K
(Page 15)
S MUTE
I
(Page 15)
LRCKO
H
(Page 15)
SDO4
G
(Page 15)
BCKO,
SCKOUT
F
(Page 15)
SDO1,
SDO2,
SDO2,
SDO3
D0 – D15
A0 – A15
D0 – D15
A0 – A15
D0 – D15
A0 – A15
D16 – D31
A0 – A15
L
R
2ND ROOM
OUT
AUDIO SELECT
IC105
IN
OUT
TAPE
E
(Page 15)
2NDL
A
(Page 13)
TU L OUT
26
23
25
27
22
17
15
14
16
3
4
2
8
6
11
10
15
14
16
12
AUDIO SELECT
IC102
VIDEO SELECT
IC201
25
24
22
21
26
27
19
17
15
14
16
3
4
5
6
9
14
2
7
10
11
12
Q1402
Q1401
B
A
36 37 38
35
47
CKSEK1
48
CKSEL1
DI
CE
CLK
DO
X MODE
XMODE
3
DIN0
16
DATAO
34
ERROR
13
CKOUT
14
BCK
15
LRCK
17
XSTATE
20
XMCK
22
XIN
24
AUDIO
2
6
3
5
7
1
X1401
24.576MHz
OSC
IC1410
2
5
1
CLOCK SELECT
IC1407
D1702
D1703
HCLK
HDIN
81
HACN2
47
EEROR
82
HCS2
HDOUT2
96
2EXLOCK
79
PM2
78
BST2
80
XRST2
67
DIR ERROR
ANALOG DIGITAL
121
SYSTEM MUTE
116
104
103
102
91 ADC:RST
37 OPT A
36 OPT B
75 DI
74 CE
73 CLK
76 DO
71 XMODE
72 CKSEL1
88
HACN1
89
XRST1
85
HCS1
35
HDOUT1
83
GB9
84
BST1
90
PM1
7
2ND AUDIO RY
70
DATA0
69
XSTATE
A
B
DI
CE
CLK
DO
XMODE
CKSEL1
SYSTEM
CONTROLLER
IC1703 (2/6)
A/D CONVERTER
IC1101
15
13
LRCK
16
SYCLK
1
D
OUT
LIN
6
RSTB
14
BCK
18 SDI1
15 LRCKI1
30 SDI2
17 BCKI1
29 BCKI2
PM
9
MCLK1
12
MCLK2
69
GP8
68
GP9
56
BST
36
HCS
35
HDOUT
32
HACN
2
XRST
22
KFSIO
113
AUDIO DSP1
IC1501
AUDIO DSP2
IC1601
23
SDO1
24
SDO2
25
SDO3
26
SDO4
19
LCKO
20
BCKO
34
HCLK
33
HDIN
67
GP10
75 HCLK
63 LRCKO
74 HDIN
111 GP7
132 GP0
27 SDI1
28 SDI2
35 SDI3
39 SDI4
29 LRCKI1
38 BCKI1
76
HCS
82
HDOUT
83
HACN
GP3
EXLOCK
PM
141
BST
8
XRST
131
GP1
62
KFSIO
136
120
140
X1601
13.5MHz
64
BCKO
10
SCKOUT
60
SDO1
61
SDO2
25
SDO3
MCLK1 144
MCLK2 139
26
SDO4
BCKO
SCKOUT
SDO1
SDO2
SDO3
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: TUNER
: AUDIO IN (ANALOG)
: AUDIO IN (DIGITAL)
A
B
X1501
13.5MHz
D0 – D15
A0 – A15
EQ AMP
IC104
BUFFER
IC103
Q
(Page 15)
2CHL
TV/SAT
AUDIO IN
DVD/LD
AUDIO IN
OUT
AUDIO IN
AUDIO OUT
VIDEO 3
INPUT
AUDIO
DIGITAL OPTICAL
RECEIVER
IC1401
DIGITAL OPTICAL
RECEIVER
IC1402
DIGITAL OPTICAL
RECEIVER
IC1403
DVD/LD
OPTICAL IN
TV/SAT
OPTICAL IN
MD/DAT
OPTICAL IN
DVD/LD
COAXIAL IN
MD/DAT
OPTICAL OUT
DIGITAL OPTICAL
TRANSCEIVER
IC1404
DIGITAL SELECT
IC1406
BUFFER
IC1102
28 LRCKI2
59 EXLOCK
MUTING
SWITCH
SWITCH
Q1705
COUNTER
IC1409
MUTING
SWITCH
SWITCH
Q1703
MUTING
SWITCH
SWITCH
Q1704
6-2.
BLOCK DIAGRAM – AUDIO DSP Section –
Ver 1.1
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