Sony HTC-V5550 / MHC-V5550 / MHC-V7770AV Service Manual ▷ View online
— 65 —
Pin No.
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95 TO 97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
I/O
I
O
—
O
—
I
I
I
—
I
—
—
—
—
I
—
—
—
—
—
—
O
—
—
—
—
—
—
—
—
—
—
I
—
O
O
O
O
O
O
O
—
—
I
—
I
Description
Fix the video signal output level control
Reference voltage (+1.235V) output terminal
Power supply terminal (+3.3V) (for D/A converter)
Chrominance video signal output terminal
Ground terminal (for D/A converter)
GCK (pin ) selection terminal “L”: external clock, “H”: internal clock (fixed at “H”)
DA-XCLK (pin
*§) selection (1) terminal Fixed at “H” in this set
DA-XCLK (pin
*§) selection (2) terminal Fixed at “H” in this set
Ground terminal
Selection the operation clock 42.336 MHz (fixed at “L”)
Power supply terminal (+3.3V)
Not used (open)
Not used (open)
Ground terminal (for PLL system)
Main reference clock signal (16.9344 MHz=384fs) from the D/A converter (IC509)
Power supply terminal (+3.3V) (for PLL system)
Not used (open)
Vertical synchronized signal output to the CD mechanism controller (IC502)
Power supply terminal (+3.3V) (for PLL system)
Not used (open)
Ground terminal (for PLL system)
Ground terminal
Not used (open)
Not used (open)
Power supply terminal (+3.3V)
Not used (open)
Ground terminal
Not used (open)
Main clock for video signal processor input from the D/A converter (IC509)
Not used (open)
Digital audio L/R sampling clock signal (44.1 kHz) output to the D/A converter (IC509)
Fix the maximum output voltage (+5V) certain output terminal
Digital audio data output to the D/A converter (IC509)
Digital audio bit clock signal (2.8224 MHz) output to the D/A converter (IC509)
Serial data output to the CD mechanism controller (IC502)
Ready signal output to the CD mechanism controller (IC502)
Interrupt request signal output to the CD mechanism controller (IC502)
Not used (open)
Ground terminal
Serial data transfer clock signal input from the CD mechanism controller (IC502)
Power supply terminal (+3.3V)
Serial data input from the CD mechanism controller (IC502)
Pin Name
RREF
VREF
AVDD-DAC
C-OUT
AGND-DAC
CLK-SEL0
CLK-SEL1
CLK-SEL2
VSS
RESERVED
VDD3
DA-EMP
RESERVED
AGND-PLL
DA-XCLK
AVDD-PLL
PGIO4
PGIO5
PGIO6
PGIO0
PGIO8
PGIO2/VSYNC/
CSYNC
AVDD-PLL
NC
AGND-PLL
VSS
NC
PGIO3/HSYNC
VDD3
PGIO1/VCK-OUT
VSS
GCKI
VCK-IN
GCKOUT/DA-EMP
DA-LRCK
VDDMAX-OUT
DA-DATA
DA-BCK
HD-OUT
HRDY
HINT
CDG-SCK
VSS
HCK
VDD3
HD-IN
105
— 66 —
Pin No.
120
121
122
123
124
125 to 128
I/O
—
I
—
—
—
—
Description
Power supply terminal (+3.3V)
Command selection signal input from the CD mechanism controller (IC502)
Not used (fixed at “L”)
Not used (fixed at “L”)
Not used (fixed at “L”)
Not used (open)
Pin Name
VDD3
HSEL
CDG-SDATA
CDG-VFSY
CDG-S0S1
NC
The components identified by mark
!
or
dotted line with mark
!
are critical for safety.
Replace only with part number specified.
SECTION 7
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.
— 67 —
1
17
2
3
4
5
6
7
16
13
8
9
10
11
14
15
11
12
#2
#2
#2
#2
#2
#2
#2
#1
#1
#1
#1
#1
#1
#1
#1
#1
not supplied
not supplied
not supplied
not supplied
not
supplied
supplied
CDM38-5BD24AL
FRONT PANEL
7-1. CASE AND BACK PANEL SECTION
1
4-900-871-11 LOADING PANEL
2
1-782-152-11 CORD (WITH CONNECTOR)
3
1-773-012-11 WIRE (FLAT TYPE) (15 CORE)
4
1-775-173-11 WIRE (FLAT TYPE) (17 CORE)
5
1-783-864-11 WIRE (FLAT TYPE) (13 CORE)
* 6
A-4414-710-A MAIN BOARD, COMPLETE
7
4-970-381-11 FOOT (REAR)
* 8
1-669-418-11 REGULATOR BOARD
9
4-995-189-01 COVER (SC)
* 10
4-991-349-31 PANEL, BACK
11
3-363-099-01 SCREW (CASE 3 TP2)
* 12
4-900-858-21 CASE
13
1-773-052-11 WIRE (FLAT TYPE) (17 CORE)
* 14
A-4414-827-A VIDEO BOARD, COMPLETE (IA)
* 14
A-4414-828-A VIDEO BOARD, COMPLETE (HK, MY, SP)
* 14
A-4414-829-A VIDEO BOARD, COMPLETE (TH)
* 14
A-4417-067-A VIDEO BOARD, COMPLETE (CH)
15
1-775-215-11 WIRE (FLAT TYPE) (23 CORE)
* 16
1-666-010-11 VIDEO IN/OUT BOARD
17
4-991-781-01 EMBLEM (VCD)
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
•
Abbreviation
HK
HK
: Hong Kong
SP
: Singapore
MY
: Malaysia
CH
: Chinese
TH
: Thai
IA
: Indonesia
— 68 —
51
4-900-890-01 SPRING (L)
52
X-4950-014-1 CASSETTE HOLDER (A) ASSY
53
4-900-891-01 SPRING (R)
54
X-4950-015-1 CASSETTE HOLDER (B) ASSY
55
X-4950-222-1 FRONT PANEL ASSY
56
X-4950-013-1 ESCUTCHEON (TC) ASSY
57
X-4950-223-1 ESCUTCHEON (CD) ASSY
58
4-962-708-11 EMBLEM (4-A), SONY
59
4-900-881-01 BUTTON (EJECT A)
60
4-900-882-01 BUTTON (EJECT B)
61
4-951-620-01 SCREW (2.6
×
8), +BVTP
51
53
52
54
55
56
67
57
58
59
60
61
62
63
64
65
65
66
61
61
61
61
61
61
68
68
71
69
70
TCM-230AWR2/230PWR2
7-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
* 62
1-669-421-11 TC (P) BOARD
* 63
1-669-423-11 TC (B) BOARD
* 64
1-669-419-11 TC LED BOARD
* 65
1-669-422-11 TC (A) BOARD
66
4-210-045-01 DAMPER
67
4-977-358-11 CUSHION
68
3-019-456-01 SCREW, STEP
69
4-900-888-01 EJECT (LEVER-L)
70
4-900-889-01 EJECT (LEVER-R)
* 71
1-669-420-11 CD (P) BOARD
Click on the first or last page to see other HTC-V5550 / MHC-V5550 / MHC-V7770AV service manuals if exist.