Sony ST-SE370 Service Manual ▷ View online
ST-SE370
13
13
R758
FL701
CNP703
CN703
CNP704
CN704
CN702
CN701
R732
R728
R727
R726
R725
R724
R723
R722
R721
R711
R712
C709
C708
R733
R734
C716
S717
S718
S721
S722
S723
S724
R776
R775
R771
R770
R777
R778
R779
R780
S701
R750
R751
S702
R752
S703
S704
S705
S706
S707
S708
R753
R754
R755
R756
R757
S709
S710
S711
S712
R760
R759
R761
R762
C711
C701
R710
R703
R704
X
701
C703
C704
C705
R701
R
702
C713
R705
R713
C710
JW793
JW794
JW792
JW791
C714
Q701
R707
R708
C717
C706
C707
TP1
TP3
TP2
D
701
D
702
R729
R731
S727
R781
S713
R763
S728
S714
R764
S715
D
703
C712
C715
R706
D704
C702
IC702
RV701
R772
R773
R
792
R
793
IC701
470
3P
3P
4P
4P
8P
9P
470
470
470
470
470
470
470
470
470
100k
100k
0.01
0.01
100k
100k
22
50V
270
220
120
100
330
470
560
820
100
120
120
150
180
220
270
330
820
560
1.2k
2.2k
10
50V
0.01
10k
10k
10k
4.2M
H
z
27p
27p
0.01
1.5k
1.5k
0.01
470k
100
0.01
0.47
50V
2SC1740S
1k
47
0.01
0.01
10
50V
1S
S133
T
1S
S
133
T
470
470
1.2k
3.9k
12k
1S
S
133T
0.22F
5.5V
0.01
22k
1SS133T
0.01
NJL64H400A-1
120
330
10k
10k
-3B9
G2
G3
G4
G5
G6
G7
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
G1
P1
G1
Z1
Z2
Z3
Z4
Z5
Z6
Z1
Z2
Z3
Z4
Z5
Z6
Z6
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Z7
Z8
Z7
Z8
G11
G10
G9
G8
P1
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
RDS DATA
VDD
PLL DATA OUT
AVDD
AVREF
GND
NC
GND
X1
X2
VDD
VFL
FL2
FL1
MUTE
POWER
AST
ST
+5V
GND
IC
IS1
IS2
IS3
IS4
AVSS(GND)
GND
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
KEY2
DC.CUT
NC
EON
KEY1
SI
NC
RDS DATA
RDS CLK
RESET
MUTE
ST
AST
RIN
R1
POWER
R2
NC
NC
NC
PLL CLK
PLL DATA IN
PLL CE
SIGNAL
CE
EON
F2
F2
F1
F1
FLUORESCENT INDICATOR TUBE
P12
P13
P14
P15
P16
P17
P18
G7
G6
G5
G4
G3
G2
G1
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
G11
G10
G9
G8
G
OUT
5V
ENCODER
(EXPECT AEP,UK)
(AEP,UK)
(AEP,UK)
TUNING
/SELECT
CHARACTER
MENU
RETURN
TUNE MODE
DISPLAY
PTY
MEMORY
FM MODE
BAND
AUTO-BETICAL
SELECT
ENTER
SHIFT
DIRECT
0
9
8
7
6
5
4
3
2
1
SYSTEM CONTROL
RESET
REMOTE SENSOR
(AEP,UK)
(AEP,UK)
(SP,AUS)
(US)
(EXCEPT US)
(EXCEPT SP,AUS)
D-IN
DATA
CLK
RDS-C
-30V
µ
PD78045FGF-130
5-5.
SCHEMATIC DIAGRAM – DISPLAY Section –
•
See page 9 for Waveform.
•
See page 14 for IC Pin Function Description.
(Page 11)
(Page 11)
ST-SE370
14
14
3
6
11
2
5
8
1
4
14
15
12
9
10
16
13
7
FM IF AMP
LIMITER
AF/NULL
METER
QUADRATURE
DET
AF AMP
IF OFF
NULL METER
SHORTING
LEVEL
DET
METER
DRIVE
MUTING
CIRCUIT
CIRCUIT
DETUNE
DET
GND
B+
1
2
3
4
REG
GND
CONTROL
REG
5
6
7
IC901 LA5667
ANALOG
DIGIT
AL
RCLK
NC
XO
XI
VSS2
T2
VDD2
T1
QUAL
RDA
T
VREF
MUX
VDD1
VSS1
VSS3
CMP
1
4
3
6
5
8
7
2
14
15
16
13
12 11 10
9
CLOCK
PLL 57kHz
RDS/ARI
COMPARATOR
8th SWITCHED
CAPACITOR
FILTER
ANTI-ALIASING
FILTER
BIPHASE
DECODER
PLL
1187.5Hz
DEFFERENTIAL
DECODER
TEST
IC801 BU1924
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC201 LA1235
5-6.
IC PIN FUNCTION DESCRIPTION
•
DISPLAY BOARD IC701 µPD78045FGF-130-3B9 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1 to 7
G7 to G1
O
Grid drive signal output to the fluorescent indicator tube (FL701)
8
VDD
—
Power supply terminal (+5V)
9
PLL CLK
O
Serial data transfer clock signal output to the PLL IC on tuner pack (TB101)
10
PLL DATA OUT
O
Serial data output to the PLL IC on tuner pack (TB101)
11
PLL DATA IN
I
Serial data input from the PLL IC on tuner pack (TB101)
12
PLL CE
O
Serial chip enable signal output to the PLL IC on tuner pack (TB101)
13
AST
I
Tuned display detection signal input from the tuner pack “L”: tuned
14
ST
I
Stereo detection signal input from the tuner pack “L”: stereo
15, 16
NC
—
Not used (fixed at “L”)
17
RESET
I
System reset signal input terminal “L”: reset
18
DC. CUT
—
Not used (open)
19
NC
—
Not used (fixed at “L”)
20
AVSS (GND)
—
Ground terminal
21
MUTE
O
Muting on/off control signal output terminal
22 to 24
NC
—
Not used (fixed at “L”)
25
EON
—
EON output control terminal Not used (open)
26
KEY1
I
Key input terminal (A/D input)
27
KEY2
I
Key input terminal (A/D input)
28
SI
I
Signal input terminal
29
AVDD
—
Analog power supply terminal (+5V)
30
AVREF
—
Reference voltage input terminal (+5V)
31
GND
—
Ground terminal
32
NC
—
Not used (open)
33
GND
—
Ground terminal
34
X1
I
Main system clock input terminal (4.19MHz)
35
X2
O
Main system clock output terminal (4.19MHz)
36 to 42
NC
—
Not used (fixed at “L”)
43
RDS DATA
I
RDS data input from the RDS decorder (IC801) (Used for the AEP and UK models only)
44
RDS CLK
I
RDS serial clock signal input from the RDS decoder (IC801) (Used for the AEP and UK models
only)
only)
45
R1
I
Rotary encoder number of rotation detection
46
RIN
I
Remote control signal input from the remote sensor (IC702)
47
POWER
I
Power supply ON/OFF monitor
48
IC
I
Signal chip mode detection Not used (fixed at “L”)
49
NC
—
Not used (fixed at “L”)
50
R2
O
Rotary encoder phase detection
51
NC
—
Not used (fixed at “L”)
52
VDD
—
Power supply terminal (+5V)
53 to 56
IS1 to IS4
I
Setting terminal for the model
57
GND
—
Ground terminal
58 to 70
P18 to P6
O
Segment drive signal output to the fluorescent indicator tube (FL701)
71
VFL
—
Negative power supply terminal for the fluorescent indicator tube drive (–30V)
72 to 76
P5 to P1
O
Segment drive signal output to the fluorescent indicator tube (FL701)
77 to 80
G11 to G8
O
Grid drive signal output to the fluorescent indicator tube (FL701)
15
ST-SE370
6-1. CASE SECTION
SECTION 6
EXPLODED VIEWS
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Accessories and packing materials are given
in the last of the electrical parts list.
• Accessories and packing materials are given
in the last of the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
2
2-668-667-11 CASE (SILVER: for Hair-line Finish) (AEP)
2
4-232-149-11 CASE (407026) (BLACK)
2
4-232-580-11 CASE (407026) (SILVER) (AEP)
3
3-363-099-02 SCREW (CASE 3 TP2) (BLACK)
3
3-363-099-11 SCREW (CASE 3 TP2) (SILVER) (AEP)
4
X-4953-448-1 FOOT ASSY
5
4-232-237-01 FOOT (DIA. 30)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
2
3
3
3
4
5
front panel section
chassis section
#1
• Abbreviation
AUS : Australian model
SP
SP
: Singapore model
Ver. 1.1
16
ST-SE370
6-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-997-882-42 KNOB (T) (SILVER) (AEP)
51
4-997-882-52 KNOB (T) (BLACK)
51 4-997-882-61 KNOB (T) (SILVER:
for Hair-line Finish) (AEP)
52
X-2108-508-1 PANEL ASSY, FRONT (SILVER: Hair-line Finish)
(AEP)
52
X-4953-632-1 PANEL ASSY, FRONT (BLACK) (AEP, UK)
52
X-4953-633-1 PANEL ASSY, FRONT (SILVER) (AEP)
52
X-4953-634-1 PANEL ASSY, FRONT (BLACK) (US)
52
X-4953-635-1 PANEL ASSY, FRONT (BLACK) (SP, AUS)
53
4-231-973-01 BUTTON (POWER) (BLACK)
53
4-231-973-11 BUTTON (POWER) (SILVER) (AEP)
53
4-231-973-51 BUTTON (POWER)
(SILVER:
for Hair-line Finish) (AEP)
54
1-681-067-11 AC SW BOARD
55
4-951-620-01 SCREW (2.6X8), +BVTP
56
A-4476-428-A DISPLAY BOARD, COMPLETE (AEP, UK)
56
A-4476-434-A DISPLAY BOARD, COMPLETE (US)
56
A-4476-437-A DISPLAY BOARD, COMPLETE (SP, AUS)
57
1-681-065-11 ENCORDER BOARD
58
1-681-066-11 SW BOARD
51
52
53
supplied with RV701
54
55
55
56
57
58
55
55
Ver. 1.1
Click on the first or last page to see other ST-SE370 service manuals if exist.