MCE-SV7, MHC-SV7AV - Sony Audio Service Manual (repair manual). Page 25

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MCE-SV7
25
25
C261
C260
C522
C521
IC502
D514
D513
D512
C532
C531
C523
C524
C255
C251
C500
CN101
CN102
R134
R133
CN103
R132
VCD101
C501
R460
R452
R453
R500
R456
R457
R450
R449
R448
R447
R446
R445
R444
R443
R442
R441
R440
R438
TP439
C425
C427
R427
R425
R429
R430
TP427
TP425
TP423
TP422
TP421
TP420
TP418
R417
R413
C416
R411
R409
C411
TP407
TP406
TP405
TP404
TP403
TP402
TP401
TP456
TP457
TP458
TP460
TP461
TP463
R451
C462
C463
Q502
Q501
D123
D511
C124
R123
C513
R480
R484
R485
R486
R487
R489
R490
R491
R482
R483
R492
R494
R495
R497
R496
C498
C499
TP500
TP493
C401
CN401
R481
R477
R473
R469
R465
D105
TP107
R412
IC102
IC401
TP411
R459
C102
C101
C125
NO202
CLP102
C107
IC501
C526
C525
VCD411
CN301
C303
C304
C312
C311
VCD403
VCD401
VCD402
R493
C512
CN502
NO501
R501
C103
C117
D502
D501
D504
D503
C306
C359
R359
C357
R357
VCD412
VCD413
FB305
FB410
FB304
FB314
FB312
FB310
C122
FB416
C310
X401
IC503
JW313
JW311
JW315
C399
C400
IC504
R122
R541
R542
C541
C540
R121
0.022
0.022
470
10V
0.1
TA78057S
11ES2
11ES2
11ES2
470
10V
0.1
220
10V
220
10V
0.022
0.022
0.1
9P
8P
1k
75k
15P
75k
4700
16V
10k
100
100
10k
10k
10k
100
100
100
100
100
100
100
100
100
10k
100
100
100p
100p
4.7k
4.7k
100
100
10k
330
10
50V
100
10k
1
50V
100
0.022
10
50V
BA1A4M
RT1P137S
MTZA-2.2A
11ES2
0.1
100
470
10V
100k
100
100
100
100
100
100
100
10k
10k
4.7k
100
100
100
10k
0.022
0.022
0.022
9P
150
150
150
150
150
1SS133
10k
TOTX140
M30620MAA-B31FP
100
0.1
0.1
220
10V
12P
J W
BA05ST
100
10V
100
10V
13P
0.01
0.022
0.022
0.01
330
470
10V
5P
5P
100
0.022
0.022
21DQ04
21DQ04
21DQ04
21DQ04
0.022
10 50V
100
10 50V 100
0
µ
H
0.022
0 H
0.022
16MHz
BA07T
100 10V
0.1
100
10k
10k
0.1
100 10V
100
84
85
86
87
40
42
43
44
45
46
47
48
49
1
2
2
9
3
0
5
1
5
3
50
51
53
95
94
97
97
95
5
9
59
84
85
86
87
94
5
2
91
90
89
91
90
89
52
47
46
48
45
44
3
0
38
6
5
6
9
7
3
7
7
81
65
69
73
77
81
49
50
2
9
3
8
1
2
12
30
29
MRESET
I2C-CLK
I2C-DATA
VCD L-IN
VCD R-IN
V-MUTE
DGND(TC)
AGND(CD)
AC
AC
HESO-GND
HESO-GND
EVER+5V
UNREG(TC)
MGND(TC)
MGND(TC)
GN
D
S
IG
+3.3
V
SHASSIS GND
R
ES
ET
X-OU
T
VSS
X
-IN
VC
C
N
M
I
SC
O
R
IIC
-CL
K
SQ-CLK
CD-DATA
CD-CLK
HOLD
XLT
XRST
R
/PB/P
A
S
MODEL-IN
LOAD-OUT
LOAD-IN
OPEN
CLOSE
B-TR
IG
BU
 P
W
M
 3
BU
 P
W
M
 2
BU
 PW
M
 1
S
O
FT-T
EST
VCC
V
SS
AVSS
VREF
AVCC
BY
TE
C
N
VSS
KEY3
T-SENS3
T-SENS2
T-SENS1
SENS
RTS1
KEY2(TC)
KEY1(CD)
KEY0(CD)
D
ISC
-SE
N
S
LED_PAUSE
LE
D
_P
LAY
LED
_D
IS
C3
LED
_D
IS
C2
L
ED
_D
IS
C1
ECO
 C
HE
CK
D
ATA
IIC
-
CLK
LAT
ASHUT
BSHUT
BHALF
DATA-OUT
DATA-IN
BTRIG
ATRIG
REC/PB/PAS
MGND
DGND
KEY2
SGND
UNREG
XRST
DISC-SENS
IN-SW
OUT-SW
TRAYSENS3
TRAYSENS2
TRAYSENS1
DGND
D+5V
LOD-POS
LOD-NEG
MGND
M+7V
(CHASSIS)
OPTICAL
TRANSCEIVER
+5.6V REGULATOR
G
I
O
G
I
O
+7V REGULATOR
Q501,502
B+ SWITCH
OPTICAL OUT
SYSTEM CONTROL 3
SYSTEM CONTROL 5
TO TC-S3
SYSTEM CONTROLLER
CD POWER
LE
D
_P
LAY
LED_PAUSE
LED_PAUSE
LED_
PLAY
LED
_
PLAY
LED
_D
IS
C
3
LED
_D
IS
C3
LED
_D
IS
C3
LED
_D
IS
C2
LED
_D
ISC
2
LED
_D
ISC2
L
ED
_D
ISC1
LE
D
_D
IS
C1
LED
_D
IS
C1
A-TR
IG
DATA-IN
SQ-
B-HALF
B-SHUT
A-SHUT
LED_PAUSE
EXP-CLK
EXP-LAT
EXP-OUT DATA
EXP-IN DATA
IN
G
N
D
O
U
T
SW
NC
I2C.DATA
I2C.CLK
D+5V(UNSW)
D+5V(SW)
D.OUT
D.GND
LCH
A.GND
RCH
A+5V(SW)
MG(+7)
M+7V
TO ST-SV7
+5V REGULATOR
TO ST-SV7
VCC
LY
SY
NC
NC
LX
SX
GND
0
µ
H
0
µ
H
0
µ
H
0
µ
H
0
µ
H
L125
220
µ
H
BA8274K
BUFFER
6-14. SCHEMATIC  DIAGRAM  – MAIN Section –
 See page 28 for Waveform.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
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