Sony TA-FB940R Service Manual ▷ View online
13
13
TA-FB940R
3-9. PRINTED WIRING BOARD – POWER Section – • See page 5 for Circuit Boards Location.
14
14
TA-FB940R
3-11. IC PIN FUNCTION
• IC902 Input Control & LED Drive (TMP47C103N-JP47) (Panel Board)
O
I
I
I
O
O
I
I
I
I
O
O
O
—
O
O
O
O
O
I
I
I
O
O
O
O
I
—
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
26
27
28
X OUT
X IN
RESET
PMD
VOL +
VOL –
SW 0
SW 1
SW 2
EON
PHONO
TUNER
CD
GND
AUX
MD/DAT
TAPE
MON
PRY
PKY
MOI
SIRCS
MUTE
SCE
SDT
SCK
STOP
+3V
System clock (4MHz)
Reset input
Mode select input (Connected to ground)
Motor drive output (+)
Motor drive output (–)
Rotary switch input (CD)
Rotary switch input (TUNER)
Rotary switch input (PHONO)
EON signal input
PHONO LED drive output
TUNER LED drive output
CD LED drive output
Ground
AUX LED drive output
TAPE “2” LED drive output
TAPE “1” LED drive output
MONITOR output (Connected to ground)
Power relay output
Power key input (Connected to ground)
MONITOR input (Connected to ground)
SIRCS input
Muting output (Connected to ground)
Chip enable output (Connected to ground)
Serial data output (Connected to ground)
Serial clock output (Connected to ground)
STOP input
+3V Power supply
I/O
Function
Pin No.
Pin Name
3-10. IC BLOCK DIAGRAMS
• SP-TM Board
IC700 uPC1237HA
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 Board
IC901 BA6208
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
15
SECTION 4
EXPLODED VIEWS
4-1. CASE SECTION
• 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.
• Abbreviation
G
: German model
EE
: East European model
AUS : Australian model
SP
SP
: Singapore model
MY
: Malaysia model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
13
13
16
3
3
11
8
9
10
14
15
15
16
16
16
16
4
13
not supplied
not supplied
not
supplied
not
supplied
7
16
5
6
#3
#3
5
6
1
2
12
17
17
UK,SP,MY
1
X-4949-780-1 KNOB (SELECTOR) ASSY (BLACK)
1
X-4950-264-1 KNOB (SELECTOR) ASSY (SILVER)
(AEP,G,UK,EE,CIS)
2
X-4949-781-1 KNOB (VOLUME) ASSY (BLACK)
2
X-4950-265-1 KNOB (VOLUME) ASSY (SILVER)
(AEP,G,UK,EE,CIS)
3
3-703-466-00 SPRING (6600)
* 4
4-999-439-03 UPPER CASE (413235) (BLACK)
* 4
4-999-439-43 UPPER CASE (413235) (SILVER)
(AEP,G,UK,EE,CIS)
5
X-4949-760-1 FOOT ASSY
6
4-970-124-01 CUSHION (F50180S)
7
A-4428-698-A PHONO BOARD, COMPLETE (EXCEPT UK,SP,MY)
7
A-4428-705-A PHONO BOARD, COMPLETE (UK,SP,MY)
8
4-227-560-01 PANEL, BACK (EXCEPT UK,SP,MY)
8
4-227-560-11 PANEL, BACK (UK,SP,MY)
9
1-676-676-11 OUTLET BOARD (EXCEPT UK,SP,MY)
* 10
3-703-244-00 BUSHING (2104), CORD
0 11
1-777-185-11 CORD, POWER
12
3-655-653-21 BAND (TAITON), BINDING
13
4-227-843-01 SCREW (TP), FLAT HEAD (BLACK)
(AEP,G,UK,EE,CIS)
13
4-227-843-11 SCREW (TP), FLAT HEAD (SILVER)
(AEP,G,UK,EE,CIS)
13
4-227-843-21 SCREW (TP), FLAT HEAD (UK,SP,MY)
14
4-947-010-01 SCREW, FEEDER FIXED
15
3-704-515-51 SCREW (BV/RING)
16
4-974-510-01 SCREW (+BV 3X8 CU)
0 17
1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (UK,SP,MY)
NOTE:
• -XX, -X mean standardized parts, so they may have
• -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.
• Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE)
X
Parts color
16
4-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
57
58
61
59
62
59
55
51
61
56
54
71
52
65
70 64
69
68
69
66
61
67
61
63
53
52
#2
S1
#2
#1
#2
not supplied
61
60
not supplied
72
51
4-999-407-21 DOOR (BLACK)
51
4-999-407-31 DOOR (SILVER) (AEP,G,UK,EE,CIS)
52
4-221-595-01 SPRING (DOOR), LEAF
53
X-4952-839-1 BASE ASSY, PANEL (BLACK)
53
X-4952-840-1 BASE ASSY, PANEL (SILVER) (AEP,G,UK,EE,CIS)
54
4-221-598-01 ARM (DOOR/R) (BLACK)
54
4-221-598-11 ARM (DOOR/R) (SILVER) (AEP,G,UK,EE,CIS)
55
4-221-460-01 ARM (DOOR/L) (BLACK)
55
4-221-460-11 ARM (DOOR/L) (SILVER) (AEP,G,UK,EE,CIS)
* 56
4-999-492-01 CUSHION (DOOR) (BLACK)
* 56
4-999-492-11 CUSHION (DOOR) (SILVER) (AEP,G,UK,EE,CIS)
57
4-942-568-41 EMBLEM (NO.5), SONY (BLACK)
57
4-942-568-61 EMBLEM (NO.5), SONY (SILVER)
(AEP,G,UK,EE,CIS)
58
4-218-232-02 EMBLEM (MOS)
59
4-999-413-01 INDICATOR (PROTECTION)
60
4-980-776-01 WINDOW, REMOTE CONTROL
61
4-974-510-01 SCREW (+BV 3X8 CU)
62
A-4412-065-A PANEL ASSY, FRONT (BLACK)
62
A-4412-066-A PANEL ASSY, FRONT (SILVER) (AEP,G,UK,EE,CIS)
* 63
1-670-219-11 SIRCS SUB BOARD
64
4-948-469-11 SPRING, RING
65
4-999-436-01 BUTTON (DIA. 6X28.8) (BLACK)
65
4-999-436-12 BUTTON (DIA. 6X28.8) (SILVER)
(AEP,G,UK,EE,CIS)
* 66
1-669-490-11 SIRCS BOARD
67
4-917-460-01 KNOB, POWER (BLACK)
67
3-024-055-31 BUTTON (POWER) (SILVER) (AEP,G,UK,EE,CIS)
68
4-999-406-01 KNOB(D18) (BLACK)
68
4-999-406-11 KNOB(D18) (SILVER) (AEP,G,UK,EE,CIS)
69
4-980-773-01 BUTTON (DIA. 6) (BLACK)
69
4-980-773-12 BUTTON (DIA. 6) (SILVER) (AEP,G,UK,EE,CIS)
70
4-950-189-01 KNOB(A) (VOL) (BLACK)
70
4-950-189-61 KNOB(A) (VOL) (SILVER) (AEP,G,UK,EE,CIS)
71
4-900-032-01 CUSHION (DOOR-L)
72
4-221-138-01 EMBLEM (UK) (UK)
0 S1
1-554-920-11 SWITCH, PUSH (AC POWER)(1 KEY) (POWER)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
line with mark 0 are critical for safety.
Replace only with part number specified.
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