Sony DHC-MD313 / HCD-MD313 Service Manual ▷ View online
– 80 –
•
MAIN BOARD (1/3) IC601
µPD78078GF-062-3BA (MASTER CONTROL)
Pin No.
Pin Name
I/O
Function
1 to 3
VER
I
Destination setting terminal
4
VER
I
Destination setting terminal
Not used (open)
5 to 7
(NC)
—
Not used
8
(NC)
—
Not used (open)
9
IC
—
Connecting to ground
10
X2
O
Main system clock output terminal (5 MHz)
11
X1
I
Main system clock input terminal (5 MHz)
12
VDD
—
Power supply terminal (+5V)
13
XT2
O
Sub system clock output terminal (32 kHz)
14
XT1
I
Sub system clock input terminal (32 kHz)
15
RESET
I
System reset signal input from the reset signal generator (IC602)
16
AU-BUS IN
I
AU-BUS signal input terminal
17
AU-BUS OUT
O
AU-BUS signal output terminal
18
ENC/A
I
Encorder volume signal A input from the master volume (S901)
19
ENC/B
I
Encoder volume signal B input from the master volume (S901)
20
RDS/CLK
I
RDS clock signal input from the RDS demodulator (IC1500)
21
RDS/DATA
I
RDS data signal input from the RDS demodulator (IC1500)
22
SCOR (BD)
I
Sub-code sync S0, S1 detect signal input from the digital signal processor (IC103)
23
AVDD
—
Power supply terminal (+5V) (for A/D converter)
24
AVREF0
—
Reference voltage input terminal (+5V) (for A/D converter)
25
KEY0
I
Key input terminal (A/D input) POWER key (S902) input
26
KEY1
I
Key input terminal (A/D input)
p (CD), ^ (CD), § (CD), p (MD), ^ (MD), § (MD) keys
(S903 to S908) input
27
KEY2
I
Key input terminal (A/D input) FUNCTION,
) + +, TUNER/BAND, = 0 –, r REC,
CD-MD SYNC, REPEAT STEREO/MONO, PLAY MODE TUNING MODE (S909 to S916) input
28 to 30
(NC)
—
Not used
31
O
Master-busy signal output to the MD system control (IC316)
32
MD-POWER
O
MD power on/off signal output to the MD power regulator (IC570)
33
AVSS
—
Ground terminal (for A/D converter)
34
POWER ON
I
System power on signal input terminal
35
MD OEM/REST
O
MD reset signal output terminal
36
AVREF1
I
Reference voltage input terminal (+5V) (for A/D converter)
37
I
MD control data signal input from the MD system control (IC316)
38
O
MD control data signal output to the MD system control (IC316)
39
MD-CLK
O
MD control data clock signal output to the MD system control (IC316)
40
VSS
—
Ground terminal
41
I
Mecha-busy signal input from the MD system control (IC316)
42
FL/DRIV DATA
O
Display data signal output to the fluorescent indicator drive (IC901)
43
FL/DRIV CLOCK
O
Display data clock signal output to the fluorescent indicator drive (IC901)
44
FL/DRIV CS
O
Display clear signal output to the fluorescent indicator drive (IC901) “L”: data output
45
FL/DRIVE RESET
O
Display reset signal output to the fluorescent indicator drive (IC901) “L”: reset
46
BD SUBQ
I
Sub-code Q data signal input from the CXD2507AQ (IC103)
47
(NC)
—
Not used (open)
48
BD SQCLK
O
Sub-code Q data reading clock signal output to the CXD2507AQ (IC103)
49
BD CLOCK
O
Serial data clock signal output to the CXD2507AQ (IC103)
RTS (TO MD. CTS)
MASTER BUSY
RXD (TO MD. TXD)
RXD
TXD (TO MD. RXD)
TXD
CTS (TO MD. RTS)
MECHA BUSY
– 81 –
Pin No.
Pin Name
I/O
Function
50
BD DATA
O
Serial data output to the CXD2507AQ (IC103)
51
XLT
O
Serial data latch pulse signal output to the CXD2507AQ (IC103)
52
PRGL (DF. LAT)
O
Serial data latch pulse signal output to the PCM1710U (IC104)
53
SENCE
I
Internal status (SENSE) signal input from the CXD2507AQ (IC103)
54
ADJ
I
Test mode input terminal
“H’: normal (fixed at “H” in this set)
55
IN-SW
I
Disc tray close complete signal input terminal
“L”: Completed
56
OUT-SW
I
Disc tray open complete signal input terminal
“L” Completed
57
LOAD-OUT
O
Disc tray loading out signal output to the motor driver (IC801)
58
LOAD-IN
O
Disc tray loading in signal output to the motor driver (IC801)
59
FOCUS-SW
O
Focus gain selection switch signal output terminal
“L”: normal
“H”: down
60
BD-REST
O
BD block reset signal output terminal
“L”: reset
61
CD-POWER
O
CD power on/off signal output to the CD power regulator (Q561, 562)
62
ST-POWER
O
ST power on/off signal output terminal
Not used (open)
63
D. IN. SELECT
O
Optical/CD select signal output terminal
“H”: optical
“L”: CD
64, 65
(NC)
—
Not used
66
LED-CD. DISC
O
CD INDICATOR LED (D908) drive signal output terminal
67
LED-MD. DISC
O
MD INDICATOR LED (D905) drive signal output terminal
68
LED-MD. REC
O
r LED (D904) drive signal output terminal
69
LED-CD. PAUSE
O
P (CD) LED (D907) drive signal output terminal
70
LED-CD. PLAY
O
( (CD) LED (D906) drive signal output terminal
71
VSS
—
Ground terminal
72
LED-MD. PAUSE
O
P (MD) LED (D903) drive signal output terminal
73
LED-MD. PLAY
O
( (MD) LED (D902) drive signal output terminal
74
DBFB
O
DBFB on/off signal output terminal
“L”: on
75
RECOUT. MUTE
O
Rec mute (tape) signal output terminal
“L”: mute
76
MUTE
O
Mute signal output terminal
77
ATT/6DB
O
Tape input level attenuate signal output terminal
78
SOUND/IC DATA
O
Graphic equalizer data signal output to the M62428FP (IC701)
79
SOUND/IC CLOCK
O
Graphic equalizer data clock signal output to the M62428FP (IC701)
80
SOUND/IC LAT
O
Graphic equalizer data latch pulse signal output to the M62428FP (IC701)
81
(GND)
—
Ground terminal
82
ST STEREO
I
Stereo detection signal input from the tuner
83
ST TUNED
I
Tuned detection signal input from the tuner
84
ST DATA-IN
I
Data signal input from the tuner
85
ST DATA-OUT
O
Data signal output to the tuner
86
ST CLOCK
O
Data transfer clock signal output to the tuner
87
ST CE
O
Chip enable signal output to the tuner
88
ST MUTE
O
Mute signal output to the tuner
89
FM/AM SELECT
O
FM/AM select signal output
Not used (open)
90
SIRCUS
I
Remote control signal input from the remote control receiver (IC902)
91
(EWS STBY OK)
—
Not used (open)
92
(EWS NOW)
—
Connecting to ground
93
FAN SPEED
O
Fan speed control signal output terminal
Not used (open)
94
FAN STOP
O
Fan on/off signal output terminal
Not used (open)
95 to 99
(NC)
—
Connecting to ground
100
AC-CUT
I
System reset signal input from the reset signal generator (IC602)
– 82 –
SECTION 7
EXPLODED VIEWS
The components identified by mark
! or dotted line with mark ! are
! or dotted line with mark ! are
critical for safety.
Replace only with part number
specified.
Replace only with part number
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 is given in the last of
the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
•
Abbreviation
AED: North European
G
AED: North European
G
: German
HK : Hong Kong
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(1) FRONT PANEL SECTION
MY : Malaysia
SP : Singapore
SP : Singapore
1
2
3
5
4
7
6
9
8
10
8
11
14
12
13
12
not
supplied
supplied
supplied with S901
#1
1
X-4949-008-1 KNOB (VOL) ASSY
2
4-993-862-01 RING (VOL)
3
4-993-863-01 WINDOW (M3) (MY, SP, HK)
3
4-993-863-11 WINDOW (M3) (AEP, UK, G, AED)
4
X-4948-965-1 PANEL ASSY, FRONT
5
4-962-708-01 EMBLEM (4-A), SONY
* 6
4-930-336-71 FOOT (FELT)
* 7
1-666-899-11 MD-LED BOARD
8
4-951-620-01 SCREW (2.6X8), +BVTP
* 9
A-4403-402-A PANEL BOARD, COMPLETE
10
1-782-793-11 WIRE (FLAT TYPE) (23 CORE)
11
4-993-851-01 PANEL (CD), LOADING
12
3-363-099-11 SCREW (CASE 3 TP2)
* 13
4-993-842-01 CASE
14
4-993-845-01 CUSHION
– 83 –
(2) CHASSIS SECTION
51
4-993-867-01 FOOT
52
1-776-241-11 WIRE (FLAT TYPE) (19 CORE)
* 53
3-703-244-00 BUSHING (2104), CORD
* 54
1-666-904-11 TRANSFORMER BOARD
* 55
A-4403-410-A POWER AMP BOARD, COMPLETE
(AEP, UK, G, AED)
* 55
A-4403-417-A POWER AMP BOARD, COMPLETE (MY, SP, HK)
56
1-777-353-11 WIRE (FLAT TYPE) (15 CORE) (10 cm)
* 57
A-4403-414-A JACK BOARD, COMPLETE (AEP, UK, G, AED)
* 57
A-4403-421-A JACK BOARD, COMPLETE (MY, SP, HK)
58
4-985-672-01 SCREW (+PTPWHM2.6), FLOATING
* 59
4-993-849-11 PANEL, BACK (AEP, UK, G, AED)
* 59
4-993-849-21 PANEL, BACK (MY, SP, HK)
* 60
1-666-905-11 ST TRANSLATION BOARD
* 61
4-984-203-21 PLATE (ST-A), SHIELD
62
1-233-546-21 ENCAPSULATED COMPONENT (MY, SP, HK)
62
1-693-387-21 TUNER (FM/MW/LW) (AEP, UK, G, AED)
* 63
4-984-204-11 PLATE (ST-B), SHIELD
64
1-773-004-11 WIRE (FLAT TYPE) (15 CORE): BEND (10 cm)
* 65
A-4403-408-A MAIN BOARD, COMPLETE (AEP, UK, G, AED)
* 65
A-4403-415-A MAIN BOARD, COMPLETE (MY, SP, HK)
* 66
4-924-098-91 HOLDER, PC BOARD
* 67
A-4403-412-A AUDIO BOARD, COMPLETE (AEP, UK, G, AED)
* 67
A-4403-419-A AUDIO BOARD, COMPLETE (MY, SP, HK)
! 68
1-569-008-11 ADAPTOR, CONVERSION 2P (MY, SP)
! 69
1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (HK)
! CNP1601 1-751-520-11 CORD, POWER (UK)
! CNP1601 1-769-744-11 CORD, POWER (EXCEPT UK)
! CNP1601 1-769-744-11 CORD, POWER (EXCEPT UK)
FAN901 1-698-997-11 FAN, DC
! T1600
1-431-497-11 TRANSFORMER, POWER (AEP, UK, G, AED)
! T1600
1-431-498-11 TRANSFORMER, POWER (MY, SP, HK)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
The components identified by mark
! or
dotted line with mark
! are critical for safety.
Replace only with part number specified.
MD MECHANISM DECK
SECTION
SECTION
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
not supplied
CD MECHANISM
DECK SECTION
DECK SECTION
#4
#1
CNP1601
CNP1601
#2
T1600
#2
#4
EXCEPT
UK
UK
MY, SP
UK
HK
#4
#1
#1
FAN901
#1
#1
#4
#2
#2
not
supplied
supplied
not
supplied
supplied
#3
#4
not supplied
52
53
54
56
55
58
59
63
64
69
68
65
(including
r
A,
r
B)
62
61
60
57
51
66
67
B
A
B
C
A
C
r
A
r
B
Click on the first or last page to see other DHC-MD313 / HCD-MD313 service manuals if exist.