Sony MHC-VX3 (serv.man2) Service Manual ▷ View online
57
Pin Name
I/O
Function
Pin No.
46
MA8
O
Address data from CL680 to Microcode ROM/DRAM
47
VSS
–
Ground
48
MA7
O
Address data from CL680 to Microcode ROM/DRAM
49
VDD3
–
+3.3V Power supply
50
MA6
O
Address data from CL680 to Microcode ROM/DRAM
51
MA5
O
Address data from CL680 to Microcode ROM/DRAM
52
MA4
O
Address data from CL680 to Microcode ROM/DRAM
53
VSS
–
Ground
54
MA3
O
Address data from CL680 to Microcode ROM/DRAM
55
VDD3
–
+3.3V Power supply
56
MA2
O
Address data from CL680 to Microcode ROM/DRAM
57
MA1
O
Address data from CL680 to Microcode ROM/DRAM
58
MA0
O
Address data from CL680 to Microcode ROM/DRAM
59
PGIO7
I/O
Not used
60
RESET
I
Reset signal input from the host MPU
61
VDDMAX-IN
I
Fix the maxium input voltage each input pin and I/O pin
62
NC
–
Not used
63
NC
–
Not used
64
NC
–
Not used
65
AGND DAC
–
Ground
66
AVDD DAC
–
+3.3V Power supply
67
COMPOS OUT
O
Not used
68
AGND DAC
–
Ground
69
Y-OUT
O
Luminance signal out
70
AVDD DAC
–
+3.3V Power supply
71
AGND DAC
–
Ground
72
RREF
I
Fix the video signal output level
73
(1.235V)VREF
O
Reference voltage (+1.235V)
74
AVDD DAC
–
+3.3V Power supply
75
C-OUT
O
Chrominance signal out
76
AGND DAC
–
Ground
77
(GCK INT)CLK SEL
I
GCK selection “H”; Internal, “L”; External
78
CLK SEL
I
DA-XCK selection (1)
79
CLK SEL
I
DA-XCK selection (2)
80
VSS
–
Ground
81
RESERVED
I
Selection the operation clock 42.336MHz
82
VDD3
–
+3.3V Power supply
83
DA-EMP
–
Not used
84
RESERVED
–
Not used
85
AGND PLL
–
Ground
86
DA-XCLK
I
Main reference clock input (16.9344MHz=384fs)
87
AVDD PLL
–
+3.3V
88
PGIO4
I/O
Not used
89
PGIO5
I/O
Not used
90
PGIO6
I/O
Not used
58
Pin Name
I/O
Function
Pin No.
91
PGIO0
I/O
Not used
92
PGIO8
I/O
Not used
93
PGIO2/VSYNC/
CSYNC
O
Vertical synchronized signal of video signal
94
AVDD PLL
–
+3.3V Power supply
95
NC
–
Not used
96
NC
–
Not used
97
NC
–
Not used
98
AGND PLL
–
Ground
99
VSS
–
Ground
100
NC
–
Not used
101
PGIO3/HSYNC
I/O
Not used
102
VDD3
–
+3.3V Power supply
103
PGIO1/VCK-OUT
I/O
Not used
104
VSS
–
Ground
105
GCK
I
Not used
106
VCK-IN
I
Main clock for video signal processer
107
GCKOUT/DA-EMP
O
Not used
108
DA-LRCK
O
Digital Audio Left or Right channel selection clock
109
VDDMAX-OUT
O
Fix the maxium output voltage certain output pins (Connected to +5V)
110
DA-DATA
O
Digital Audio data
111
DA-BCK
O
Digital Audio bit clock
112
HD-OUT
O
Serial Data output from CL680 to the host MPU
113
HRDY
O
Ready signal CL680 is ready for communication to the host MPU
114
HINT
O
Request signal for interrupting the host MPU
115
CDG-SCK
I/O
Not used
116
VSS
–
Ground
117
HCK
I
Host clock : referance signal for the host bus interface
118
VDD3
–
+3.3V Power supply
119
HD-IN
I
Serial Data output ftom the host MPU to CL680
120
VDD3
–
+3.3V Power supply
121
HSEL
I
Select data or address of the host MPU
122
CDG-SDATA
I
Ground (Not used)
123
CDG-VFSY
I
Ground (Not used)
124
CDG-SOS1
I
Ground (Not used)
125
NC
–
Not used
126
NC
–
Not used
127
NC
–
Not used
128
NC
–
Not used
59
SECTION 8
EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
•
Abbreviation
EA : Saudi Arabia model
MY : Malaysia model
SP : Singapore model
IA : Indonesia model
TH : Thai model
TW : Taiwan model
JE
EA : Saudi Arabia model
MY : Malaysia model
SP : Singapore model
IA : Indonesia model
TH : Thai model
TW : Taiwan model
JE
: Tourist model
The components identified by mark
!
or
dotted line with mark
!
are critical for safety.
Replace only with part number specified.
8-1. CASE SECTION
TCM-230AWR2/
230PWR2
230PWR2
not supplied
9
8
8
7
10
11
7
5
3
4
12
14
1
2
1
6
#3
#5
#13
#15
#15
#13
#14
#3
#3
Front panel
15
13
12
15
16
16
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
1
4-219-087-01 SPRING, TENSION
2
X-4950-698-1 HOLDER (R) ASSY, CASSETTE (IA)
2
X-4950-832-1 HOLDER (R) ASSY, CASSETTE (TH)
2
X-4950-971-1 HOLDER (R) ASSY, CASSETTE (EA/E/JE)
2
X-4951-068-1 HOLDER (R) ASSY, CASSETTE (MY/SP/TW)
3
4-991-781-01 EMBLEM (VCD)
4
X-4950-697-1 HOLDER (L) ASSY, CASSETTE (IA)
4
X-4950-828-1 HOLDER (L) ASSY, CASSETTE (TH)
4
X-4950-970-1 HOLDER (L) ASSY, CASSETTE (EA/E/JE)
4
X-4951-067-1 HOLDER (L) ASSY, CASSETTE (MY/SP/TW)
5
X-4951-437-1 LOADING PANEL ASSY (SP/TW)
5
X-4951-530-1 LOADING PANEL ASSY (EA/E/JE)
5
X-4951-804-1 LOADING PANEL ASSY (TH)
5
X-4951-805-1 LOADING PANEL ASSY (IA)
6
1-773-120-11 WIRE(FLAT TYPE) (19 CORE)(MY/SP/TW)
7
3-363-099-01 SCREW(CASE 3 TP2)(EA/E/JE)
7
3-363-099-11 SCREW(CASE 3 TP2)(MY/SP/TW/TH/IA)
8
3-363-099-31 SCREW(CASE 3 TP2)(EA/E/JE)
8
3-363-099-71 SCREW(CASE 3 TP2)(MY/SP/TW/TH/IA)
9
4-221-585-41 CASE(S)(MY/SP/TW)
9
4-221-585-61 CASE(S)(EA/E/JE)
9
4-221-295-41 CASE(IA)
9
4-221-295-61 CASE(TH)
10
1-773-043-11 WIRE(FLAT TYPE)(17 CORE)
11
1-773-024-11 WIRE(FLAT TYPE)(15 CORE)
12
4-214-775-01 SPRING, PUSH CATCHER RETURN
(EA/E/JE/MY/SP/TW/TH)
12
4-214-775-02 SPRING, PUSH CATCHER RETURN (IA)
13
4-214-761-11 CATCHER (B), PUSH
14
4-214-760-11 CATCHER (A), PUSH
15
4-215-062-01 DAMPER
16
4-951-620-01 SCREW (2.6
×
8), +BVTP
60
8-2. FRONT PANEL SECTION
58
56
55
51
58
58
58
60
59
58
57
58
61
57
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
51
X-4951-436-1 FRONT PANEL ASSY (TH/IA)
51
X-4951-436-2 FRONT PANEL ASSY (MY/SP/TW)
51
X-4951-529-1 FRONT PANEL ASSY (JE)
51
X-4951-529-2 FRONT PANEL ASSY (EA/E)
55
4-214-384-11 KNOB(VOL)(MY/SP/TW/TH/IA)
55
4-214-384-51 KNOB(VOL)(EA/E/JE)
56
4-214-383-11 KNOB(JOG)(MY/SP/TW/TH/IA)
56
4-214-383-51 KNOB(JOG)(EA/E/JE)
57
4-996-716-01 HOLDER (CDM)
58
4-951-620-01 SCREW (2.6
×
8), +BVTP
59
4-214-385-11 KNOB(MIC)(MY/SP/TW/TH/IA)
59
4-214-385-51 KNOB(MIC)(EA/E/JE)
60
1-672-968-11 CD SW BOARD
61
A-4419-652-A PANEL BOARD (EA/E/JE/MY/SP/TW)
61
A-4426-187-A PANEL BOARD (IA)
61
A-4426-195-A PANEL BOARD (TH)
Click on the first or last page to see other MHC-VX3 (serv.man2) service manuals if exist.