Sony CX-JTD8 / JAX-TD8 Service Manual ▷ View online
89
CX-JTD8
•
MICON-KEY BOARD IC101 uPD780232GC-082-8BT (FRONT PANEL CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VDD
—
Power supply terminal (+5V)
2
VSS
—
Ground terminal
3
X1
I
System clock input terminal (5MHz)
4
X2
O
System clock output terminal (5MHz)
5
IC
—
Not used
6
RESET
I
System reset signal input from the system controller
7
S-CLK
I
Serial data transfer clock signal input from the system controller
8
S-IN
O
Serial data output to the system controller
9
S-OUT
I
Serial data input from the system controller
10
BASS-A
I
Jog dial pulse input from the rotary encoder (BASS) (A phase input)
11
BASS-B
I
Jog dial pulse input from the rotary encoder (BASS) (B phase input)
12
TRE/MID-A
I
Jog dial pulse input from the rotary encoder (TREBLE/MIDDLE) (A phase input)
13
TRE/MID-B
I
Jog dial pulse input from the rotary encoder (TREBLE/MIDDLE) (B phase input)
14
MULTI-A
I
Jog dial pulse input from the rotary encoder (MULTI JOG) (A phase input)
15
MULTI-B
I
Jog dial pulse input from the rotary encoder (MULTI JOG) (B phase input)
16
VOL-A
I
Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)
17
VOL-B
I
Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)
18
AVSS
—
Ground terminal
19
NC
—
Not used
20 to 22
KEY2 to KEY0
I
Key input terminal (A/D input)
23
VSS
—
Ground terminal
24
AVDD
—
Power supply terminal (+5V)
25
VDD
—
Power supply terminal (+5V)
26
DVD-LED
O
LED (DVD indicator) drive signal output terminal “L”: LED on
27
TUNER-LED
O
LED (TUNER indicator) drive signal output terminal “L”: LED on
28
TAPE-LED
O
LED (TAPE indicator) drive signal output terminal “L”: LED on
29
MD-LED
O
LED (MD (VIDEO) indicator) drive signal output terminal “L”: LED on
30
I-BASS-LED
O
LED (I-BASS indicator) drive signal output terminal “L”: LED on
31
HEAVY-LED
O
LED (HEAVY indicator) drive signal output terminal “L”: LED on
32
VOCAL-LED
O
LED (VOCAL indicator) drive signal output terminal “L”: LED on
33
SALSA-LED
O
LED (SALSA indicator) drive signal output terminal “L”: LED on
34
MANUAL-LED
O
LED (MANUAL indicator) drive signal output terminal “L”: LED on
35
HIP_HOP-LED
O
LED (HIP HOP indicator) drive signal output terminal “L”: LED on
36
TECHNO-LED
O
LED (TECHNO indicator) drive signal output terminal “L”: LED on
37
MULTI-LED
O
LED drive signal output terminal “L”: LED on Not used
38
DISC1-LED
O
LED drive signal output terminal “L”: LED on Not used
39
DISC2-LED
O
LED drive signal output terminal “L”: LED on Not used
40
DISC3-LED
O
LED drive signal output terminal “L”: LED on Not used
41
E-CLK
—
Not used
42
E-LAT
—
Not used
43
E-DAT
—
Not used
44 to 58
S1 to S14
O
Segment drive signal output to the fluorescent indicator tube
59
VDD
—
Power supply terminal (+5V)
60
V.LOAD
—
Power supply terminal (–25V) (for fluorescent indicator tube drive)
61 to 68
S15 to S22
O
Segment drive signal output to the fluorescent indicator tube
69 to 80
G12 to G1
O
Grid drive signal output to the fluorescent indicator tube
90
CX-JTD8
SECTION 7
EXPLODED VIEWS
• 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.
• Accessories are given in the last of the elec-
trical 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
7-1. CASE SECTION
• Abbreviation
EA
: Saudi Arabia model
MY : Malaysia model
SP
SP
: Singapore model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-225-252-01 CUSHION (FOOT)
2
4-246-682-01 EMBLEM (30), MP3
3
4-245-158-01 EMBLEM
4
4-245-113-01 PANEL, TRAY
5
3-363-099-01 SCREW (CASE 3 TP2)
6
3-363-099-31 SCREW (CASE 3 TP2)
7
4-248-760-01 CASE, STEEL CABINET
8
A-4749-164-A VIDEO BOARD, COMPLETE
9
A-4748-935-A MB03 BOARD, COMPLETE
10
4-240-168-01 CUSHION (B)
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
#2
7-685-871-01 SCREW +BVTT 3X6 (S)
#3
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
1
2
3
4
#1
#2
#2
#3
#2
#3
#1
#1
CDM74-DVBU23
front panel section-1
chassis section-1
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not
supplied
supplied
not supplied
#2
#2
#3
#2
#2
#3
1
8
9
5
10
5
6
7
6
not supplied
not
supplied
supplied
not supplied
not supplied
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Ver. 1.3
91
CX-JTD8
7-2. FRONT PANEL SECTION-1
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-245-125-01 KNOB (VOLUME), ROTARY
52
4-245-126-01 KNOB (JOG), ROTARY
53
4-246-528-01 RING (BASS)
54
4-245-131-01 PANEL (BASS)
55
4-245-128-01 KNOB (BASS), ROTARY
56
4-245-127-01 KNOB (TREBLE), ROTARY
57
4-248-761-01 WINDOW, DISPLAY
51
52
53
54
55
66
56
57
60
59
61
62
67
front panel section-2
#1
#1
not supplied
not supplied
59
4-245-135-01 GUIDE (GEQ L), LED
60
4-245-134-01 GUIDE (POWER), LED
61
4-245-141-01 GUIDE (GEQ R), LED
62
A-4749-170-A MICON-KEY BOARD, COMPLETE
66
4-245-119-01 KNOB (MICROPHONE), ROTARY
67
4-245-144-01 GUIDE (BASS), LED
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
Ver. 1.3
92
CX-JTD8
101
102
102
107
110
109
108
106
104
105
not
supplied
supplied
#1
#1
not supplied
front panel section-3
not supplied
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
1-689-683-11 HEADPHONE JACK BOARD
102
3-229-336-01 SCREW, +BVWH TAPPING
104
4-248-942-01 KEY (VCD), CD
(DISC CHANGE/DISC SKIP. 1. 2. 3. Z)
105
1-689-685-11 CD KEY BOARD
106
1-796-487-31 DECK, MECHANICAL (CWM43RR23)
107
1-689-684-11 MICROPHONE JACK BOARD
108
4-243-608-01 BELT (BR)
109
4-243-609-01 BELT (AF)
110
4-243-610-01 BELT (AL)
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
7-3. FRONT PANEL SECTION-2
Ver. 1.3
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