Sony HCD-WZ7AV Service Manual ▷ View online
45
HCD-WZ7AV
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
I
I
O
O
O
O
I
O
O
—
I
—
O
O
I
I
O
O
O
O
I
I
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
O
O
I
I
I
—
I
—
—
O
Pin Name
VOL-CLK
VOL-DATA
CN CHECK
AMS-IN
TC LINE-MUTE
ALC
TC REC-MUTE
IO-EXP DATA OUT
IO-EXP DATA IN
IO-EXP LAT
IO-EXP CLK
VCC
HEAD-PHONE IN
VSS
STK MUTE
TA MUTE
VOL-A
VOL-B
LED -TUNER/BAND
LED-CD
LED-AROUND PLAY
LED-TAPE A/B
DISPLAY KEY
POWER KEY
LED-MD (VIDEO)
LED-STANDBY
HP MUTE
BACK-LIGHT 3
BACK-LIGHT 2
SW-MUTE
LCD-DATA
LCD-CLK
LCD-ENB
LCD-RS
LOAD-OUT
LOAD-IN
OPEN-SW
CLOSE-SW
A SHUT
B SHUT
A TRG
B TRG
SPEC-IN
AD-KEY2
AD-KEY1
AVSS
VACS IN
VREF
AVCC
LCD RESET
Description
Clock output to the audio signal processor (IC101)
Data output to the audio signal processor (IC101)
Connection check signal input (from DXA-WZ7AV)
AMS signal input (“L” : in, “H” : off) (from DXA-WZ7AV)
TC line muting signal output (“H” : on, “L” : off)
ALC signal output (“L” : on, “H” : off)
TC REC muting signal output (“L” : on, “H” : off)
Data output to the I/O expander (IC251, DXA-WZ7AV)
Data input from the I/O expander (IC251, DXA-WZ7AV)
Latch signal output to the I/O expander (IC251, DXA-WZ7AV)
Clock output to the I/O expander (IC251, DXA-WZ7AV)
Power supply terminal
Headphone detection signal input
Ground terminal
Muting signal output to the power amplifier (to DXA-WZ7AV)
TA line muting signal output (“H” : on, “L” : off) (to DXA-WZ7AV)
Encoder signal input from the volume encoder
Encoder signal input from the volume encoder
TUNER/BAND LED control signal output
CD LED control signal output
PLAY LED control signal output
TAPE A/B LED control signal output
DISPLAY key signal input
POWER key signal input
MD (VIDEO) LED control signal output
STANDBY LED control signal output
Headphone muting signal output (“L” : on, “H” : off)
LCD back light 3 LED control signal output (amber)
LCD back light 2 LED control signal output (amber)
Sub woofer muting signal output (“L” : on, “H” : off)
Data output to the liquid crystal display
Clock output to the liquid crystal display
Chip select signal output to the liquid crystal display
RS signal output to the liquid crystal display
Loading motor control signal output
Loading motor control signal output
OPEN switch signal input
CLOSE switch signal input
Reel pulse signal input from the deck A (from DXA-WZ7AV)
Reel pulse signal input from the deck B (from DXA-WZ7AV)
Trigger control signal output to the deck A (“H” : on) (to DXA-WZ7AV)
Trigger control signal output to the deck B (“H” : on) (to DXA-WZ7AV)
Spec setting terminal
Key input 2 (A/D)
Key input 1 (A/D)
Ground terminal (A/D converter)
VACS signal input
Voltage reference terminal (A/D converter)
Power supply terminal (A/D converter)
Reset signal output to the liquid crystal display
SECTION 6
EXPLODED VIEWS
46
HCD-WZ7AV
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.
•
Abbreviation
EA : Saudi Arabian model
SP
EA : Saudi Arabian model
SP
: Singapore model
TH : Thai E model
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
6-1. Front Panel Section
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
1
2
3
4
5
6
CD mechanism section
(CDM77C-30BD62)
(CDM77C-30BD62)
chassis section
LCD201
#1
including S601
S601
#1
5
5
5
5
7
9
8
11
10
12
13
#1
14
14
15
1
4-244-435-01 KNOB (VOLUME)
2
4-244-423-01 BUTTON (CURSOR)
3
X-4955-391-1 PANEL (CD-DVD) ASSY, FRONT
4
1-687-205-11 ENTER-SW BOARD
5
4-951-620-01 SCREW (2.6X8), +BVTP
6
1-687-207-11 CD-TC BOARD
7
A-4731-875-A PANEL BOARD, COMPLETE (EA,SP)
7
A-4732-405-A PANEL BOARD, COMPLETE (TH)
8
1-773-185-11 WIRE (FLAT TYPE)(23 CORE)
9
1-687-204-11 BACK LIGHT BOARD
10
4-244-431-02 SHEET (LCD)
11
4-244-430-01 HOLDER (LCD)
12
A-4732-447-A LCD BOARD, COMPLETE (EA,SP)
12
A-4734-602-A LCD BOARD, COMPLETE (TH)
13
4-244-434-21 PANEL, LOADING
14
3-363-099-11 SCREW (CASE 3 TP2)
15
4-244-441-11 CASE
LCD201 1-805-136-11 DISPLAY PANEL, LIQUID CRYSTAL
#1
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
47
HCD-WZ7AV
6-2. Chassis Section
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
not supplied
not supplied
not supplied
#1
#1
#1
#1
#1
#1
#1
51
52
53
54
55
60
61
62
63
64
56
59
not supplied
#1
#1
#1
#1
#1
#1
57
65
66
67
68
58
51
4-238-994-11 KNOB (MIC)
52
A-4732-180-A MIC BOARD, COMPLETE (EA,SP)
52
A-4732-393-A MIC BOARD, COMPLETE (TH)
53
1-773-120-11 WIRE (FLAT TYPE)(19 CORE)
54
1-827-004-11 WIRE, FLAT TYPE (28 CORE)
55
3-970-608-01 SUMITITE (B3), +BV
56
1-824-906-11 CORD (WITH CONNECTOR) 17P
57
A-4732-415-A VMP BOARD, COMPLETE (EA,SP)
57
A-4732-419-A VMP BOARD, COMPLETE (TH)
58
1-687-208-11 HP AMP BOARD
59
A-4732-176-A MAIN BOARD, COMPLETE (SP)
59
A-4732-188-A MAIN BOARD, COMPLETE (EA)
59
A-4732-389-A MAIN BOARD, COMPLETE (TH)
60
1-693-603-31 TUNER (FM/AM)
61
1-769-938-11 WIRE (FLAT TYPE)(11 CORE)
62
1-773-039-11 WIRE (FLAT TYPE)(17 CORE)
63
1-469-854-11 CORE, FERRITE
64
1-827-003-11 CORD (WITH CONNECTOR) 19P
65
A-4732-182-A DPL BOARD, COMPLETE (EA,SP)
65
A-4732-395-A DPL BOARD, COMPLETE (TH)
66
A-4732-184-A REGULATOR BOARD, COMPLETE (EA,SP)
66
A-4732-402-A REGULATOR BOARD, COMPLETE (TH)
67
1-794-509-21 PIN, CONNECTOR (PC BOARD)(3P)
68
1-827-178-11 WIRE (FLAT TYPE)(5 CORE)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
48
HCD-WZ7AV
6-3. CD Mechanism Section (CDM77C-30BD62)
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
401
402
not supplied
base unit section
(BU-30BD62)
not supplied
not supplied
403
404
405
406
406
406
406
407
407
407
407
408
408
408
408
M001
401
4-243-742-01 TRAY (AU)
402
3-080-478-01 BELT
403
4-243-741-21 BASE (AU), LOADING
404
X-4954-597-1 PULLEY (AT-2) ASSY
405
4-243-745-01 HOLDER (BU30)
406
4-231-451-01 INSULATOR (BU-30)
407
4-227-045-11 SPRING (INSULATOR), COIL
408
4-985-672-01 SCREW (+PTPWHM2.6), FLOATING
M001
1-763-967-11 MOTOR, DC (LOADING)
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