Sony HCD-GRX5 / HCD-RX66 / MHC-GRX5 / MHC-RX66 Service Manual ▷ View online
– 71 –
•
PANEL BOARD IC601 TMP87CM74AF-6671
Pin No.
Pin Name
I/O
Function
1
LED3
O
LED drive signal output terminal Not used (open)
2
LED4
O
LED drive signal output terminal Not used (open)
3
LED5
O
LED drive signal output terminal (DISC 3)
4
LED6
O
LED drive signal output terminal (DISC 2)
5
LED7
O
LED drive signal output terminal (DISC 1)
6
LED8
O
LED drive signal output terminal (ENTER, GROOVE)
7
VSS
—
Ground terminal
8
X-OUT
O
System clock output terminal (8 MHz)
9
X-IN
I
System clock input terminal (8 MHz)
10
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”
11
LED9
O
LED drive signal output terminal (JOG)
12
LED10
O
LED drive signal output terminal (NON-STOP, +
), – 0)
13
TEST
I
Connected to ground
14
LED11
O
LED drive signal output terminal Not used (open)
15
LED12
O
LED drive signal output terminal Not used (open)
16
LED13
O
LED drive signal output terminal (CD
( P)
17
LED14
O
LED drive signal output terminal (TAPE B
(/9)
18
LED15
O
LED drive signal output terminal (TAPE A
(/9)
19
VOL-A
I
Rotary encoder pulse input from the S602 (VOLUME)
20
VOL-B
I
Rotary encoder pulse input from the S602 (VOLUME)
21
JOG-A
I
Jog dial pulse input from the S601 (JOG)
22
JOG-B
I
Jog dial pulse input from the S601 (JOG)
23
SCL
I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller (IC501)
controller (IC501)
24
SDA
I/O
Communication data bus with the system controller (IC501)
25
L.SEL
O
LED selection signal output terminal
26
KEY-0
I
27
KEY-1
I
Key input terminal (A/D input) (S619 to 625)
FLASH, NON-STOP, –
FLASH, NON-STOP, –
0, ENTER, + ) , DBFB, GROOVE keys input
28
KEY-2
I
29
KEY-3
I
Key input terminal (A/D input) (S618, 656 to 659)
LOOP,
LOOP,
r REC, P PAUSE, HI-DUB, CD SYNC, keys input
30
MODEL
I
Destination setting terminal
31
SPEANA
RESET
O
Reset signal output to the spectrum analyzer band-pass filter (IC603) “H”: reset
32
L+R
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for VACS, non-stop signal)
(for VACS, non-stop signal)
33
SIRCS
I
Remote control signal input from the remote control receiver (IC602)
34
SPEANA-1
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for low frequency)
(for low frequency)
35
SPEANA-2
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for low and middle frequency)
(for low and middle frequency)
(FLUORESCENT INDICATOR TUBE DRIVE, LED DRIVE, KEY CONTROL)
Key input terminal (A/D input) (S631 to 642)
TUNER/BAND, CD
TUNER/BAND, CD
( P, TAPE B (/9, TAPE A (/9, 1 / u (POWER), DISC 1/2/3,
DISC SKIP/EX-CHANGE,
6 keys input
Key input terminal (A/D input) (S604 to 610, 614 to 617)
FILE SELECT, SURROUND, KARAOKE PON/MPX,
FILE SELECT, SURROUND, KARAOKE PON/MPX,
p, TIMER SELECT, CLOCK/
TIMER SET, DISPLAY/DEMO, FUNCTION, EDIT, PLAY MODE, REPEAT keys input
– 72 –
Pin No.
Pin Name
I/O
Function
36
SPEANA-3
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for middle and high frequency)
(for middle and high frequency)
37
SPEANA-4
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for high frequency)
(for high frequency)
38
VASS
—
Ground terminal
39
VAREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
40
VDD
—
Power supply terminal (+5V)
41 to 53
GR1 to GR13
O
Grid drive signal output to the fluorescent indicator tube (FL601)
54 to 69
SEG1 to SEG16
O
Segment drive signal output to the fluorescent indicator tube (FL601)
70 to 72
SEG19 to SEG17
O
Segment drive signal output to the fluorescent indicator tube (FL601)
73 to 77
SEG24 to SEG20
O
Segment drive signal output to the fluorescent indicator tube (FL601)
78
VKK
—
Power supply terminal (–30V) (for fluorescent indicator tube drive)
79
LED1
O
LED drive signal output terminal (
r REC, P PAUSE)
80
LED2
O
LED drive signal output terminal Not used (open)
– 73 –
SECTION 8
EXPLODED VIEWS
Les composants identifiés par une
marque
marque
! sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le neméro spécifié.
Ne les remplacer que par une pièce
portant le neméro spécifié.
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
(1) CASE SECTION
9
8
8
7
10
11
7
5
4
3
2
1
6
#2
#5
#2
#2
#3
#3
Front panel
TCM-230AWR1
TCM-230PWR1
TCM-230PWR1
1
4-996-733-01 SPRING (B DECK)
2
X-4949-350-1 LID (R) ASSY, CASSETTE
3
4-996-732-01 SPRING (A DECK)
4
X-4949-349-1 LID (L) ASSY, CASSETTE
5
4-996-703-01 PANEL, LOADING (RX66)
5
4-996-703-11 PANEL, LOADING (GRX5)
6
1-769-984-11 WIRE (FLAT TYPE) (13 CORE) (23 CM)
7
3-363-099-11 SCREW (CASE 3 TP2) (3X8)
8
3-363-099-71 SCREW (CASE 3 TP2) (3X12)
* 9
4-996-728-01 CASE (EXCEPT GRX5: IA/RX66)
* 9
4-996-728-21 CASE (GRX5: IA)
10
1-773-048-11 WIRE (FLAT TYPE) (17 CORE)
11
1-773-025-11 WIRE (FLAT TYPE) (15 CORE) (33 CM)
• Abbreviation
AUS : Australian
IA
: Indonesian
CND : Canadian
MX : Mexican
E2
: 120 V AC Area in E model
MY : Malaysia
E3
: 240 V AC Area in E model
SAF : South African
EA3 : Saudi Arabia
SP
: Singapore
EA4 : Israel
TH
: Thai
HK : Hong Kong
TW : Taiwan
– 74 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(2) FRONT PANEL SECTION
54
54
56
55
51
52
63
#7
#7
not supplied
not supplied
63
58
58
58
58
58
58
60
58
59
58
57
53
58
58
62
61
(including
r
A,
r
B)
57
not supplied
supplied with J421
#2
supplied with
J751
r
A
r
B
51
X-4949-340-1 PANEL ASSY, FRONT (GRX5/RX66: CND)
51
X-4949-621-1 PANEL ASSY, FRONT (RX66: US)
52
4-930-336-61 FOOT (FELT)
53
4-962-708-11 EMBLEM (4-A), SONY
54
4-995-081-01 LATCH, DC
55
4-996-722-01 KNOB (VOL)
56
4-996-721-01 KNOB (JOG-U4)
* 57
4-996-716-01 HOLDER (CDM)
58
4-951-620-01 SCREW (2.6X8), +BVTP
59
4-986-893-51 KNOB (MICROPHONE)
* 60
1-668-206-11 CD-SW BOARD
* 61
A-4407-079-A PANEL BOARD, COMPLETE
* 62
1-668-209-11 HP BOARD
63
3-973-975-11 DAMPER, OIL
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