Sony ST-SP55 Service-Handbuch - Seite 3
Blättern Sie online oder laden Sie pdf Service-Handbuch für Stereo System Sony ST-SP55 herunter. Sony ST-SP55 16 Seiten. Micro hi-fi component system
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- 1. 1 Service Note
- 2. 2 General
- 3. 3 Diagrams
- 3. Circuit Boards Location
- 3. Block Diagram
- 3. Schematic Diagram - Main Section
- 3. Printed Wiring Board - Main Section
- 3. Schematic Diagram - Panel Section
- 3. Printed Wiring Board - Panel Section
- 3. IC Pin Functions
- 3. IC Block Diagram
- 3. Table of Contents
- 3. Case and Front Panel
- 4. 4 Exploded View
- 5. 5 Electrical Parts List
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3-2. BLOCK DIAGRAM
ST MUTE
FM 75Ω
RDS INT
TUNER
RDS DATA
UNIT
STEREO
TUNED
G
ST CE
ST DOUT
AM
ST DIN
ST CLK
CN203(1/2)
REC L
6
8
REC R
R-CH
MD-L
4
MD-R
2
R-CH
SYSTEM
CONTROL
5
TC-L
3
TO TC-SP55/
TC-R
1
R-CH
MDS-SP55
PDOWN
PDOWN
11
PCPON
PCPON
10
DATA
IIC-DATA
14
CLK
IIC-CLK
12
J210(1/2)
AUXH-L
L
AUXL-L
TC-L
AUX IN
R
R-CH
CN205
CD L
1
CD R
3
R-CH
CD-KEY
CDKEY
5
LED0
PLAY LED
6
LED1
PAUSE LED
7
CD-DATA
DATA
8
CD-XLAT
XLAT
9
CD-CLK
CLOK
10
SYSTEM
HOLD
HOLD
11
CONTROL
SQSO
2
SQSO
12
SENS
SENS
13
(TO CDP-SP55)
SQCK
SQCK
14
SCOR
SCOR
15
CDM-SW
CD-PWR
CD MSW
16
LOAD-IN
LOAD-IN
17
LOAD-OUT
LOAD-OUT
18
UNREG(L)
19
+ UBREG(L)
+5V
4
09
IC401
INPUT SELECT/EVR
10
9
LSELO
LIN
ST-L
L1
14
MD-L
L2
13
CD-L
L3
12
SEL-L
L4
11
CONTROL
1 30 2
21
18
20
23
24
25
26
27
28
75
74 73
85
P-DOWN OUT
67
PCPON
30
IIC-DAT
29
IIC-CLK
IC202
INPUT SELECTOR
X
X0
12
13
X1
14
X2
15
X3
11
A
10
61 FUNC1
CONTROL
B
9
60 FUNC2
58
6
FUNC INHIBIT
INH
44 43 42 41 40 39 38 37
D950-957
LCD
DISPLAY
+5V
UNIT
+5V
SWITCH
Q281,282
05/28/2012
IC231
BUFFER
LOUT
5
3
1
S923
TUNING
MODE
S922
TUNER/
IC901
S910
BAND
REMOTE
DISPLAY
S921
COMMANDER
RECEIVER
TUNING
–
S920
TUNING
+
90
89
IC701
MASTER
CONTROL
83
35 34 33 32 19 95
92
84 4
1 2 3
Q701,702
Q705,706
ILL(-7V)
LED
BACK
LIGHT
DRIVE
–7V
DPDATA
DATA
6
DPCLK
SCK
5
DPCS
STB
4
+5V
B+
VDD
+5V
1
SWITCH
Q704
VREF
3
5
5
J210(2/2)
Q221
R-CH
MUTE
CN201
R-CH
Q201
OUT
1
88
51
DSG-OFF
DSG-OFF
72
XPRE-MUTE
76
PRE-MUTE
HP-MUTE
HP-MUTE
77
ON/STBY
TA-STANDBY
78
P-RELAY
PWR-RELAY
79
S-RELAY
80
SP-RELAY
ENC0
86
VOL-ENC-A
ENC1
VOL-ENC-B
87
TA-KEY
KEY2
91
+5V
Q291
+10V
+10V REG
IC282
-7V
3
2
-7V REG.
IC281
+7V
3
1
+7V REG.
CN203(2/2)
IC283
Q301
+5V
3
1
+5V REG.
+11V REG.
+UNREG(L)
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ST-SP55
L
AUX OUT
R
8
L
6
R
SYSTEM
CONTROL
1
(FROM TA-SP55)
17
DSG-OFF
11
XPRE-MUTE
10
HP-MUTE
13
ON/STBY/AMP-MUTE
P-RELAY
9
12
XS-RELAY
15
ENC0
16
ENC1
14
TA-KEY/HPSW
4
+5.6V(UNSW)
• R-ch is omitted due to same as L-ch.
5
+13.5V(REG)
• Signal Path
: FM
1
-UNREG
: CD
: MD
3
+UNREG(L)
: TAPE
: REC (TAPE/MD)
+UNREG(L)
17
16
-UNREG(L)
SYSTEM
CONTROL
3
19
+UNREG(H)
TO TC-SP55/
MDS-SP55
15
D+5.6V(UNSW)