Sony HCD-F250AV / MHC-F250AV Service Manual ▷ View online
— 83 —
Pin No.
1 to 6
7
8
9
10
11,12
13
14 to 18
19,20
21,22
23
24
25
26 to 29
30
31
32
33
34 to 37
38
39
40
41 to 53
54 to 77
78
79,80
Pin Name
LED3 to LED8
VSS
XOUT
XIN
RESET
LED9,LED10
TEST
LED11 to LED15
VOLA,VOLB
JOGA,JOGB
SCL(IIC)
SDA(IIC)
LED SELECT
KEY0 to KEY3
MODEL
LED16
L+R
SIRCS
SPEANA0 to SPEANA3
AVSS
VAREF
VDD
GRID1 to GRID13
SEG1 to SEG24
VKK
LED1,LED2
I/O
O
—
O
I
I
O
—
O
I
I
I
I
O
I
I
O
I
I
I
—
—
—
O
O
—
O
Function
LED driver output
Ground
X’tal(5MHz)
X’tal(5MHz)
Reset signal input
LED driver output
Not used
LED driver output
Rotaly encoder pulse input for Volume
Rotaly encoder pulse input for Jog
Serial data clock input
Serial data input
LED select signal output
Key input
Model No. input
LED driver output
Spectrum analyzer(high frequency)input
Remote commander signal input
Spectrum analyzer signal input
Ground
Analog reference voltage input
Power supply(+5V)
Fluorescent disply tube gride signal output
Fluorescent disply tube segment signal output
—
LED driver output
MAIN BOARD IC601 TMP87CM74AF-6660
— 84 —
6-27. IC BLOCK DIAGRAMS
IC101 (MAIN BOARD) M62442FP
IC603 (PANEL BOARD) BA3833F-E2
IC701 (MAIN BOARD) UPC1237HA
2
3
14
1
f04
13 f
12 VCC
11 NC
10 NC
15 f03
5
GND
6
BIAS
C
7
NC
8
NC
9
NC
4
16 f02
17 f01
18 RESET
RESET
C
PREF
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF
DET
BPF
DET
BPF
DET
DET
RESET
Bias
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
VIN2
FIN2
RIN2
CT2
VEE
FBIN-
FBIN+
OUT2+
OUT2-
VIN1
FIN1
REVERSIBLE DRIVER
FWD/REV CONTROLLER
COVERNER DRIVER
FWD/REV CONTROLLER
COVERNER
LOAD CURRENT
DETECTION
AMPLIFIER
COVERNER
OUTPUT
REFERENCE
VOLTAGE OUTPUT
LOW VOLTAGE
OUTPUT
RIN1
IOUT
VEE
VEE
VCC
VREF
VREG
VCC
OUT1+
+-
OUT1-
18
17
16
15
1
2
3
4
5
6
7
8
9
14
13
12
11
10
— 85 —
IC201 (SURR BOARD) LV1041M
12
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
19
17
18
20
21
32
31
30
29
28
27
26
25
24
23
22
33
44
43
42
41
40
39
38
37
36
35
34
73
74
75
76
77
78
79
80
72
65
66
67
68
69
70
71
52
51
50
49
48
47
46
45
53
54
55
56
57
58
59
60
61
62
63
64
STRIM
OSC
VOL
VOL
VCA
VCA
P
B
P
B
VCA
VCA
VCA
VCA
VCA
VCA
IEV
NOISE
GEN
NOISE
FILTER
BPF
CONTROL
CH
CONTROL
BPF
V REF
STRIM
S
MODE
RECT
RECT
DC
CUT
B NR
OUT
FILTER
DATA
DECODER
VOL/
MUTE
BPF
RECT
LOGIC
FF
LOGIC
FF
RECT
C MODE
LOGIC
LOGIC
MASTER
VOL
NF
SW
S
S
S
P
P
B
B
B
B
P
B
C
D
R
L
C
S
L
R
P
P
P
B
P
B
P
B
P
B
P
B
S
MASTER VOL
VDD
PCM
PCM
CONTROL
SRAM
IN
FILTER
R
L
C
S
R
P
B
P
B
P
B
P
B
L
L
R
L
R
R BPF2
R BPF1
S DC OUT
C DC OUT
R DC OUT
L DC OUT
V REF
VCC
C OUT
S OUT
R OUT
L OUT
GND
L IN
R IN
S IN
DELAY OUT
C VOL IN
DET
IREF
R OUT
R NF
L NF
L OUT
L BPF2
L BPF1
RT IN
LT IN
DC CUT
C MODE
GND
NS BPF1
NS BPF1
OSC
NS BPF2
ENABLE
DATA
CLK
DATA
CLK
ENABLE2
VSS
OSC
OSC
VDD
A/D
NS
D/A
DC CUT
VCC
C VOL OUT
C OP IN
GND
C OP NF
C OP OUT
VOL REF
S OP OUT
S OP NF
S OP IN
S VOL OUT
L RECT
DC CUT4
R RECT
DC CUT3
L BPF3
VLR TH
VLR 1
VLR 2
VCS 2
VCS 1
VCS TH
L+R RECT
DC CUT2
L-R RECT
DC CUT1
R DET3
OP VREF
S VOL IN
S OUT
DC CUT
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences 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.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
Abbreviation
CND: Canadian
CND: Canadian
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
SECTION 7
EXPLODED VIEWS
— 86 —
When indicating parts by reference number,
please include the board name.
please include the board name.
The components identified by mark
!
or
dotted line with mark
!
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
!
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
le numéro spécifié.
1
2
#1
1
not supplied
not supplied
#2
not
supplied
supplied
#1
#1
8
9
7
5
6
FAN101
3
4
#1
#1
#1
#1
#1
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
7-1.
CASE SECTION
1
3-363-099-11 SCREW (CASE 3 TP2)
* 2
4-999-792-01 CASE
* 3
4-999-791-01 PANEL, BACK (US)
* 3
4-999-791-11 PANEL, BACK (CND)
* 4
4-990-365-11 COVER
5
1-233-544-11 ENCAPSULATED COMPONENT
6
1-769-972-11 WIRE (FLAT TYPE) (13 CORE)
* 7
A-4405-537-A MAIN BOARD, COMPLETE (CND)
* 7
A-4407-784-A MAIN BOARD, COMPLETE (US)
8
1-765-332-11 WIRE (FLAT TYPE) (15 CORE)
9
1-773-055-11 WIRE (FLAT TYPE) (17 CORE)
FAN101 1-698-792-11 FAN, DC
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