Sony TA-F3000 / TA-F3000ES Service Manual ▷ View online
— 13 —
3-6. IC BLOCK DIAGRAMS
• Main section
IC701
µ
PC1237HA
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
• Panel section
IC902 X24C01
IC904 BA6208
8
VCC
7
TEST INPUT
6
SCL
5
SDA
1
NC
2
NC
3
NC
4
VSS
START
STOP
LOGIC
CONTROL
LOGIC
START CYCLE
H.V. GENERATION
TIMING
& CONTROL
E PROM
32 x 32
2
32
XDEC
INC
LOAD
5
R/W
PIN
2
8
D
OUT
CK
32
WORD
ADDRESS
COUNTER
COUNTER
YDEC
D
OUT
ACK
DATA REGISTER
1
2
3
4
5
6
7
8
9
NC
OUTPUT 2
Vcc
GND
NC
INPUT 2
INPUT 1
NC
MOTOR
DRIVE
MOTOR
DRIVE
REG
SWITCH
SWITCH
OUTPUT1
— 14 —
Clock
Data
Down
Up
CD input relay signal output
Mute Control signal output when switching (Mute: H)
AUX input relay signal output
Connected to ground
TAPE input relay signal output
MD input relay signal output
Relativity position detection signal of rotary switch
(One of them terminal: L, the other terminal: H)
Function LED drive signal (ON: L)
Ground
Not used
Function LED drive signal (ON: L)
Not used
Test terminal (Not used)
Oscillation signal 8MHz
Reset signal (Reset: L)
Cancellation of hold mode signal (Start: H)
TUNER input relay signal output
PHONO input relay signal output
SIRCS signal (Active: L)
Not used
Power supply (+5V)
Pin No.
Pin Name
I/O
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 to 29
30
31
32
33
34
35
36
37
38 to 41
42
RCL
RDT
VDW
VUP
CD
MUT
AUX
T3
T2
T1
0
1
2
3
4
5
PHONO
TUNER
CD
AUX
GND
T2
T1
TEST
XIN
XOUT
RESET
HOLD
TUNER
PHONO
SIRCS
+5V
O
I/O
O
O
O
O
O
I
O
O
I
I
I
I
I
I
O
O
O
O
–
–
O
O
–
I
I
O
I
I
O
O
I
–
–
3-7. IC PIN FUNCTION
• IC901 TMP47C200BN-H371 (INPUT CONTROL, LED DRIVE)
Serial data of EEPROM (X24C01)
VR motor control signal (Active: H, Stop: L-L, Brake: H-H)
— 15 —
SECTION 4
EXPLODED VIEWS
NOTE:
• -XX, -X mean standardized parts, so they may have
some difference from the original one.
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
The components identified by mark
!
or dotted line with mark
! are critical
for safety.
Replace only with part number
specified.
Replace only with part number
specified.
4-1. FRONT PANEL SECTION
Supplied
with RV304
with RV304
Supplied
with J301
with J301
16
1
#2
11
10
#2
#1
19
12
13
9
not supplied
8
#1
#4
6
1
not supplied
#1
not supplied
14
#2
15
17
#1
#1
1
18
#4
1
2
Supplied
with RV301,
RV302, RV303
with RV301,
RV302, RV303
Supplied
with S901
with S901
3
4
5
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-988-742-11 SCREW (M3X8), HEXAGON SOCKET
2
4-986-728-01 KNOB (VOL)
3
4-986-729-01 KNOB (TONE)
4
4-986-728-11 KNOB (VOL)
5
X-4947-788-1 PANEL SUB ASSY, FRONT (F3000)
5
X-4948-711-1 PANEL SUB ASSY, FRONT (F3000ES)
* 6
4-986-734-01 LENS, LED
8
X-4947-759-1 BUTTON ASSY, POWER
* 9
1-663-769-11 AC SW BOARD
* 10
4-989-314-01 TUBE (LED)
* 11
A-4392-951-A PANEL BOARD, COMPLETE
12
1-777-740-11 WIRE (FLAT TYPE) (4 CORE)
13
1-777-739-11 WIRE (FLAT TYPE) (9 CORE)
* 14
1-663-770-11 RM BOARD
* 15
1-663-766-11 TONE BOARD
* 16
4-986-716-01 CASE
* 17
1-663-767-11 VOL BOARD
* 18
1-663-768-11 HP BOARD
19
3-846-312-01 SPACER
— 16 —
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 51
4-935-964-21 WASHER
* 52
A-4392-944-A MAIN BOARD, COMPLETE
53
X-4948-228-1 SCREW ASSY
* 54
4-923-873-01 BRACKET, CORD STOPPER
* 55
3-703-244-00 BUSHING (2104), CORD
56
3-704-515-41 SCREW (BV/RING)
57
4-947-010-01 SCREW, FEEDER FIXED
58
1-506-113-00 SHORT PLUG
* 59
4-990-696-01 PANEL, BACK (F3000)
* 59
4-990-696-11 PANEL, BACK (F3000ES)
60
4-970-145-01 ESCUTCHEON (P)
61
4-970-146-01 BUTTON
* 62
A-4392-950-A PHONO BOARD, COMPLETE
* 63
4-986-722-01 PLATE, BOTTOM
64
X-4947-892-1 FOOT ASSY
* 65
4-988-215-01 INSULATOR
66
3-831-441-XX CUSHION, SPEAKER
67
3-531-576-11 RIVET
68
4-992-453-01 INSULATOR
* 69
1-666-040-11 AC OUTLET BOARD
! CNP1
1-558-568-21 CORD, POWER
! T801
1-431-369-11 TRANSFORMER, POWER
The components identified by mark
!
or dotted line with mark
! are critical
for safety.
Replace only with part number speci-
fied.
Replace only with part number speci-
fied.
4-2. CHASSIS SECTION
68
#6
69
67
not supplied
53
52
53
not
supplied
supplied
#6
not
supplied
supplied
#3
#5
#2
60
61
55
54
#4
#4
#4
#4
56
#4
#4
58
56
56
57
not supplied
51
66
#3
62
#4
#8
#7
#7
64
63
#8
64
#4
not supplied
#4
#4
not supplied
65
#9
#4
#4
#4
not supplied
#5
T801
not supplied
not supplied
not supplied
59
CNP1
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