Sony HCD-GRX9900 / HCD-RXD9 / MHC-GRX9900 / MHC-RXD9 Service Manual ▷ View online
– 73 –
Pin No.
Pin Name
I/O
Description
68
VKK
—
Power supply terminal (–30V) (for fluorescent indicator tube drive)
69
VDD
—
Power supply terminal (+5V)
70
XIN
I
System clock input terminal (12.5 MHz)
71
VSS
—
Ground terminal
72
XOUT
O
System clock output terminal (12.5 MHz)
73
RESET
I
System reset signal input from the reset signal generator (IC502) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
74
CH
O
Not used (open)
75
BUSY
I
Not used (open)
76
TEST
I
Connected to ground
77
—
—
Not used (fixed at “L”)
78
I2C DATA
I/O
Communication data bus with the system controller (IC501)
79
I2C CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller (IC501)
controller (IC501)
80
—
—
Not used (fixed at “L”)
– 74 –
(1)
CASE SECTION
SECTION 8
EXPLODED VIEWS
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
specified.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
• Abbreviation
AED : North European model
AR
AR
: Argentine model
E2
: 120 V AC Area in E model
E3
: 240 V AC Area in E model
EA
: Saudi Arabia model
G
: German model
MX : Mexican model
MY : Malaysia model
SP
MY : Malaysia model
SP
: Singapore model
1
X-4950-698-1 HOLDER (R) ASSY, CASSETTE (SILVER)
1
X-4951-059-1 HOLDER (R) ASSY, CASSETTE (GRAY)
2
X-4950-697-1 HOLDER (L) ASSY, CASSETTE (SILVER)
2
X-4951-058-1 HOLDER (L) ASSY, CASSETTE (GRAY)
3
4-219-087-01 SPRING, TENSION
4
X-4950-712-1 PANEL ASSY, LOADING (SILVER)
(GRX9900: E2, MY, SP, MX, AR)
4
X-4950-713-1 PANEL ASSY, LOADING (SILVER) (RXD9)
4
X-4951-011-1 PANEL ASSY, LOADING (GRAY)
5
3-363-099-01 SCREW (CASE 3 TP2) (3X8) (GRAY)
5
3-363-099-11 SCREW (CASE 3 TP2) (3X8) (SILVER)
6
3-363-099-41 SCREW (CASE 3 TP2) (3X12) (GRAY)
6
3-363-099-71 SCREW (CASE 3 TP2) (3X12) (SILVER)
7
4-214-452-21 CASE (SILVER)
(EXCEPT GRX9900: E3, EA/RXD: US)
7
4-215-753-71 CASE (SILVER) (RXD9: US)
7
4-215-753-21 CASE (GRAY)
8
4-949-302-91 WASHER
9
4-951-620-01 SCREW (2.6X8), +BVTP
10
4-215-062-01 DAMPER
7
6
6
5
5
4
2
1
3
3
10
#2
#1
#4
#4
#3
not
supplied
supplied
not supplied
Chassis
section
section
#2
#3
not
supplied
supplied
Front panel
section
section
#7
9
9
8
9
10
TCM-230AWR2
– 75 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(2)
FRONT PANEL SECTION
51
X-4951-132-1 PANEL ASSY, FRONT (GRAY)
51
X-4951-133-1 PANEL ASSY, FRONT (SILVER)
(GRX9900: E2, MY, SP, MX, AR)
51
X-4951-134-1 PANEL ASSY, FRONT (SILVER)
(RXD9: AEP, UK)
51
X-4951-187-1 PANEL ASSY, FRONT (SILVER) (RXD9: US)
52
4-988-663-01 FOOT (FELT)
53
4-962-708-81 EMBLEM (4-A), SONY
54
4-214-775-02 SPRING, PUSH CATCHER RETURN
55
4-214-761-11 CATCHER (B), PUSH
56
4-214-760-11 CATCHER (A), PUSH
57
4-214-384-11 KNOB (VOL) (SILVER)
57
4-214-384-41 KNOB (VOL) (GRAY)
58
4-214-383-11 KNOB (JOG) (SILVER)
58
4-214-383-41 KNOB (JOG) (GRAY)
59
4-996-716-01 HOLDER (CDM)
60
4-951-620-01 SCREW (2.6X8), +BVTP
61
A-4417-663-A CD SW BOARD, COMPLETE
62
1-773-188-11 WIRE (FLAT TYPE) (23 CORE)
63
4-214-385-11 KNOB (MIC) (SILVER)
63
4-214-385-41 KNOB (MIC) (GRAY)
64
A-4417-608-A PANEL BOARD, COMPLETE (RXD9: AEP, UK)
64
A-4417-617-A PANEL BOARD, COMPLETE (RXD9: US)
64
A-4417-630-A PANEL BOARD, COMPLETE
(EXCEPT GRX9900: EA/RXD9)
64
A-4426-646-A PANEL BOARD, COMPLETE (GRX9900: EA)
60
60
61
60
60
64
63
53
58
57
54
56
55
54
51
52
60
59
59
62
supplied
with S601
with S601
supplied
with S602
with S602
– 76 –
(3)
CHASSIS SECTION
CDM38LH-5BD32L
not supplied
not
supplied
supplied
not
supplied
supplied
T951
#5
#12
#5
#5
#5
#5
#5
#6
T11
RXD9
RXD9: UK
RXD9
#1
#12
101
113
108
108
109
109
109
GRX9900:
EA, MY,
SP
EA, MY,
SP
GRX9900:
E3
E3
GRX9900:
E3, EA, MY, SP, AR/
RXD9: AEP, UK
E3, EA, MY, SP, AR/
RXD9: AEP, UK
GRX9900: E2, MX
RXD9: UK
RXD9: US
112
111
A
A
108
110
114
106
107
105
104
103
M501
102
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