Sony MHC-S3 / MHC-SV7AV / TC-S3 Service Manual ▷ View online
TC-S3
17
17
7-5.
SCHEMATIC DIAGRAM – LEAF SW Section –
7-6.
PRINTED WIRING BOARD – LEAF SW Section –
•
See page 13 for Circuit Boards Location.
PM901
PM902
A
CN311
IC1001
IC1002
A
B
C
D
1
2
3
4
5
6
7
8
9
10
11
12
(Page 16)
D1001
B-4
D1002
B-10
IC1001
B-2
IC1002
B-9
Q1001
B-3
• Semiconductor
Location
Ref. No.
Location
C1001
33
10V
S1004
(A. 120/70)
S1008
(B. 120/70)
A
MAIN BOARD
(2/2)
CN311
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : TAPE REC
(Page 15)
TC-S3
18
18
7-7.
SCHEMATIC DIAGRAM – PANEL Section –
7-8.
PRINTED WIRING BOARDS – PANEL Section –
•
See page 13 for Circuit Boards Location.
S316
S312
S313
S314
S315
D301
D300
R398
JW384
R400
R401
R399
S309
S308
R391
R392
R393
R394
S306
S307
S305
S303
S304
S302
S301
D303
D302
R388
R387
R390
R389
S310
S311
R395
R396
R397
LP301
NO304
TC-PANEL-B DECK BOARD
TC-SUB PANEL-B BOARD
TC-PANEL-A DECK BOARD
TC-SUB PANEL-A BOARD
M >
. m
N
N
n
n
x
NO303
NO302
1
5
1-680-720-
11
(11, 12)
7
1
B
MAIN
BOARD
CN314
NO303
NO302
1
5
REC PAUSE
/START
CD SYNC
DOLBY NR
DIRECTION
HI-DUB
EDIT
5
1
1-680-722-
1-680-721-
1-680-719-
1
5
NO301
NO301
5
1
5
1
M >
. m
N
N
n
n
x
A
B
C
1
2
3
4
5
6
7
11
(11, 12)
11
(11, 12)
11
(11, 12)
(Page 16)
D300
B-6
D301
C-6
D302
B-1
D303
C-1
• Semiconductor
Location
Ref. No.
Location
S301
S302
R387
R388
R389
R390
S303
S304
S305
D302
D303
R391
R392
R393
R394
S306
S307
S308
S309
S311
S310
R396
R397
R395
D301
D300
S316
S315
S314
S313
S312
R398
R399
R400
R401
NO303
NO303
NO302
NO302
NO301
NO301
NO304
330
470
560
680
SEL5423E-T
P15
SEL5423E-T
P15
1k
1.2k
1.8k
2.7k
4.7k
6.8k
3.3k
SEL5423E-T
P15
SEL5423E-T
P15
10k
15k
27k
56k
5P
5P
5P
5P
5P
5P
7P
B FWD
B REV
A REV
A FWD
A REV
A FWD
A REV
A FWD
A REV
A FWD
A FWD
A REV
A FWD
A REV
B REV
B FWD
D+5V
DGND
KEY1
LED-A-FWD
LED-A-REV
D+5V
DGND
KEY1
LED-A-REV
LED-A-FWD
D+5V
DGND
KEY1
LED-A-FWD
LED-A-REV
D+5V
DGND
KEY1
LED-B-FWD
LED-B-REV
LED-A-REV
LED-A-FWD
D+5V
DGND
KEY1
LED-A-REV
LED-A-FWD
D+5V
DGND
KEY1
LED-A-FWD
LED-A-REV
D+5V
DGND
KEY1
LED-A-FWD
LED-A-REV
DIRECTION
DOLBY NR
S311
S310
S307
CD SYNC
S308
HI DUB
S309
EDIT
REC PAUSE/
START
S306
S301
S302
S303
S304
S305
S316
S315
S313
S314
S312
D300,301
BACK LIGHT
BACK LIGHT
D302,303
(Page 14)
19
TC-S3
7-9.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC310 PT8300-S (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
RESET_B
I
Reset signal input terminal Not used
3
CLK
I
Serial data transfer clock signal input from the CD player section (CDP-S3)
4
LATCH
I
Serial data latch pulse signal input from the CD palyer section (CDP-S3)
5 – 8
P15 – P12
I
Not used (fixed at “L”)
9
P11
I
AMS signal input terminal “L”: AMS in
10
P10
I
Detection input from the deck-A half detect switch “H”: cassette in, “L”: no cassette
11
P9
I
Detection input from the deck-B play detect switch “H”: deck-B play
12
P8
I
Detection input from the deck-A play detect switch “H”: deck-A play
13
LATCHO
O
Serial data latch pulse output to the PT8300-S (IC311)
14
CLKO
O
Serial data transfer clock signal output to the PT8300-S (IC311)
15
DO1
O
Serial data output to the PT8300-S (IC311)
16
DI2
I
Serial data input from the PT8300-S (IC311)
17
P7
O
Tape deck relay on/off control signal output to the
µ
PC1330H (IC302)
18
P6
O
ALC on/off control signal output to the HA12226F (IC301)
19
P5
O
Deck-A/B selection signal output to the HA12226F (IC301)
20
P4
O
EQ high/normal selection signal output to the HA12226F (IC301)
21
P3
O
Recording bias on/off control signal output to the HA12226F (IC301)
22
P2
O
Recording muting on/off control signal output to the HA12226F (IC301)
23
P1
O
Dolby NR on/off selection signal output to the HA12226F (IC301)
24
P0
O
Tape deck line muting on/off control output to the HA12226F (IC301)
25
DO2
O
Serial data output to the CD player section (CDP-S3)
26
DI1
I
Serial data input from the CD player section (CDP-S3)
27
PULLUP
I
P8 to P15 Control pin for pull-up resisitor (fixed at “L”)
28
VCC
—
Power supply terminal (+5V)
20
TC-S3
•
MAIN BOARD IC311 PT8300-S (LED DRIVE, MOTOR DRIVER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
RESET_B
I
Reset signal input terminal Nor used
3
CLK
I
Serial data transfer clock signal input from the PT8300-S (IC310)
4
LATCH
I
Serial data latch pulse input from the PT8300-S (IC310)
5
P15
O
Not used (connected to pin 6)
6
P14
O
LED drive signal output of the B-FWD indicator (D302) “L”: LED on
7
P13
O
Not used (connected to pin 8)
8
P12
O
LED drive signal output of the B-REV indicator (D303) “L”: LED on
9
P11
O
Not used (connected to pin q;)
10
P10
O
LED drive signal output of the A-REV indicator (D301) “L”: LED on
11
P9
O
Not used (connected to pin qs)
12
P8
O
LED drive signal output of the A-FWD indicator (D300) “L”: LED on
13
LATCHO
O
Not used (open)
14
CLKO
O
Not used (open)
15
DO1
O
Not used (open)
16
DI2
I
Not used (fixed at “L”)
17 – 21
P7 – P3
O
Not used (open)
22
P2
O
Not used (connected to pin wd)
23
P1
O
Capstan motor on/off control signal output terminal “H”: motor on
24
P0
O
High/normal speed selection signal output of the capstan motor
“H”: normal speed, “L”: high speed
“H”: normal speed, “L”: high speed
25
DO2
O
Serial data output to the PT8300-S (IC310)
26
DI1
I
Serial data input from the PT8300-S (IC310)
27
PULLUP
I
P8 to P15 Control pin for Pull-up resistor (fixed at “L”)
28
VCC
—
Power supply terminal (+5V)
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