Sony HCD-G101 / MHC-G101 Service Manual ▷ View online
— 55 —
— 54 —
57
58
59
60
61
62
63
64
65
66
67
68
69 to 80
VDD
X1
X2
XLAT
FM ST IN
DI 2
DI 1
DO
CLK
CE
STB
RESET
S00 to S11
—
—
—
O
I
I
I
O
O
O
O
I
O
I/O
Pin Name
Function
Pin No.
+5V power supply
System clock (4.19 MHz)
Latch signal output to CXD2508
FM stereo detection signal input
Optical pick-up up detection signal input
Serial data input
Serial data output
Serial clock output
Chip enable output
STB signal output
Reset input “L” : reset
Segment output to LCD
5-10. IC PIN FUNCTION
• IC601 System Controller, LCD driver (µPD753017AGC)
1 to 12
13
14
15
16
17
18
19
20
21 to 24
25
26 to 28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
Segment output to LCD.
Key control signal output A “H” : active
Key control signal output B “H” : active
Key control signal output C “H” : active
Turned detection signal from tuner
Latch output to LED driver “H” : active (Not used)
REC/PB select signal output to tape selector
Tuner mute control signal output
Not used
LCD drive signal output
Not used
Key input 0 “ H” : active
Key input 1 “ H” : active
Key input 2 “ H” : active
Key input 3 “ H” : active
Ground
Key input 4 “ H”: active
Key input 5 “ H” : active (Not used)
CD SYNCHRO REC signal input “L” : active
FOK signal input from CXD2508
COUNT signal input from CXD2508
SQCK/CLOK/MODE SW signal input/output
Serial data output
Serial data input from CXD2508
Remote control signal input “L” : active
SCOR signal input from CXD2508
SENS signal input from CXD2508
Optical pick-up down detection signal input “L” : down
Detection signal input of turn table position
Detection signal input of turn table operation
Disc tray open detection signal input
Disc tray close detection signal input
Volume encoder signal input and volume motor control signal output (Not used)
System mute control signal output “H” : ON
Power ON/OFF control signal output “H” : OFF, “L” : ON
+5V power supply
Power down detect input “L” : active
Not used
I/O
Function
Pin No.
Pin Name
S12 to S23
KO A
KO B
KO C
TUNED
LATCH OUT
TAPE REC OUT
TU MUTE OUT
—
COM 1 to COM 3
BIAS
VLC 0 to VLC 2
KI 0
KI 1
KI 2
KI 3
VSS
KI 4
KI 5
SYC. REC IN
FOK
COUNT
SQCK/MODE SW IN
DATA
SQSO
REM. IN
SCOR
SENS
GFS
DISC COUNT SW
TURN TABLE SW
TRAY OPEN SW
TRAY CLOSE SW
VR UP
VR DOWN
SYSTEM MUTE OUT
POWER OUT
VDD
POWER DOWN IN
OPEN
O
O
O
O
I
O
O
O
—
O
O
O
I
I
I
I
—
I
I
I
I
I
I/O
O
I
I
I
I
I
I
I
I
I
I/O
I/O
O
O
—
I
—
• Abbreviation
LCD: Liquid Crystal Display
— 56 —
SECTION 6
EXPLODED VIEWS
NOTE:
• 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.
6-1. TOP AND BOTTOM CABINET SECTION
1
2
3
4
5
8
9
7
6
not supplied
#14
#11
#2
#4
#11
#4
#4
#14
#1
PT302
#1
#1
#1
#1
#1
#4
CD mechanism deck
#11
#11
#1
#1
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-992-791-01 DOOR, CD
2
4-992-802-01 RUBBER, FOOT
3
4-992-798-01 CABINET, TOP
* 4
1-666-622-11 POWER TRANSFORMER BOARD
* 5
4-992-800-01 WASHER, AC CORD
* 6
4-992-799-01 CABINET, BOTTOM
7
4-992-801-01 FOOT (B)
* 8
A-4403-093-A MAIN BOARD, COMPLETE
! 9
1-559-583-11 CORD, POWER
! PT302
1-431-463-11 TRANSFORMER, POWER
not supplied
#3
The components identified by mark
! or dotted line with mark ! are
critical for safety.
Replace only with part number
specified.
! or dotted line with mark ! are
critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque
marque
! sont critiques pour la
sécurité.
Ne les remplacer que par une
piéce portant le numéro spécifié.
Ne les remplacer que par une
piéce portant le numéro spécifié.
— 57 —
6-2. FRONT PANEL SECTION
64
65
61
79
76
80
67
66
60
62
58
53
52
51
59
57
56
54
55
57
68
69
71
72
73
74
62
63
78
81
77
70
84
75
85
83
82
not supplied
#5
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
Cassette mechanism deck
#10
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
70
4-992-149-01 KNOB, FUNCTION
* 71
4-992-818-01 LENS, LED
72
4-992-814-01 BUTTON, BASS BOOST
73
4-992-816-01 BUTTON, PRESET (EQ)
74
4-992-819-01 NUT, PC BOARD FIXED
* 75
1-666-623-11 R/P SW BOARD
* 76
1-666-626-11 DISC BOARD
* 77
A-4403-097-A PANEL BOARD, COMPLETE
78
1-773-152-11 WIRE (FLAT TYPE) (21 CORE)
* 79
4-992-820-01 BRACKET (B), HEAT SINK
* 80
4-992-824-01 BRACKET, TOP CABINET
* 81
1-666-440-11 SENSOR BOARD
* 82
4-992-826-01 PLATE, DISPLAY
* 83
4-992-827-01 HOLDER, DISPLAY
* 84
4-992-828-01 HOLDER (LED3-10), LED
* 85
4-980-832-01 COVER, LED
* 86
4-992-825-01 WASHER, FIBER
LCD601
1-801-841-11 DISPLAY PANEL, LIQUID CRYSTAL
51
4-992-794-01 WINDOW (L), CASSETTE
52
4-992-792-01 DOOR (L), CASSETTE
53
4-992-808-01 HOLDER (L), DOOR
54
4-992-795-01 WINDOW (R), CASSETTE
55
4-992-793-01 DOOR (R), CASSETTE
56
4-992-809-01 HOLDER (R), DOOR
57
4-992-821-01 SPRING, DOOR
58
4-992-815-01 KNOB, VOLUME
59
4-992-822-01 SPRING, VOLUME
60
4-992-797-01 WINDOW, TUNING
61
4-992-796-01 WINDOW, TOP
62
4-992-131-01 DAMPER (GRY), GEAR
63
4-992-807-01 PANEL, FRONT
* 64
1-666-624-11 H/P BOARD
65
4-992-813-01 BUTTON, CLOCK
66
4-992-812-01 BUTTON, POWER
67
4-992-817-01 KNOB, DISC
68
4-992-810-01 BUTTON, DISC SKIP
69
4-992-811-01 BUTTON, TAPE
86
86
LCD601
— 58 —
6-3. CASSETTE MECHANISM DECK SECTION 1
101
102
103
104
105
106
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
4-992-133-01 BUTTON, REC
102
4-992-134-01 BUTTON (A), PLAY
103
4-992-135-01 BUTTON (A), REW
104
4-992-136-01 BUTTON (A), F.F
105
4-992-137-01 BUTTON (A), STOP/EJECT
106
4-992-489-11 BUTTON (A), PAUSE
107
4-992-139-01 BUTTON (B), PLAY
108
4-992-140-01 BUTTON (B), REW
109
4-992-141-01 BUTTON (B), F.F
110
4-992-142-01 BUTTON (B), STOP/EJECT
111
4-992-138-01 BUTTON (B), PAUSE
111
107
108
109
110
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