Sony MHC-NX300AV / STR-NX300 Service Manual ▷ View online
9
9
STR-NX300
3-6.
SCHEMATIC DIAGRAM – PANEL Board – (Page 21)
!
: Difference portion.
IC702
M65850FP
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
^
%
!
$
!
10
10
STR-NX300
(MY, SP, HK)
(TH, CH)
3-7.
PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM – TRANS Board –
!
: Difference portion.
Page
STR-NX1/NX3
STR-NX300
4.
EXPLODED VIEWS
• Abbreviation
CH
: Chinese model
HK
: Hong Kong model
MY
: Malaysia model
SP
: Singapore model
TH
: Thai model
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Page
STR-NX1/NX3
STR-NX300
Ref. No.
Part No.
Description
Remark
3
X-4952-296-1 PANEL ASSY, BACK (MY, SP, HK)
3
X-4952-356-1 PANEL ASSY, BACK (CH, TH)
4
1-751-688-11 WIRE (FLAT TYPE) (13CORE) (TH)
4
1-733-011-11 WIRE (FLAT TYPE) (15CORE)
(MY, SP, HK)
6
1-233-545-11 TUNER PACK (FM/MW/SW) (TH)
6
1-233-546-11 TUNER PACK (FM/MW/SW) (MY, SP, HK)
6
1-693-381-11 TUNER PACK (FM/MW/SW) (CH)
53
X-4952-015-2 PANEL ASSY, FRONT
65
A-4426-655-A PANEL BOARD, COMPLETE
67
1-769-885-11 WIRE (FLAT TYPE) (7CORE)
Ref. No.
Part No.
Description
Remark
26
3
X-4952-296-1 PANEL ASSY, BACK (NX3: MY, SP)
4
1-733-011-11 WIRE (FLAT TYPE) (15CORE)
(AEP, UK, MY, SP, JE)
6
1-233-546-11 TUNER PACK (FM/MW/SW) (MY, SP)
53
X-4951-816-1 PANEL ASSY, FRONT (NX3: E, AUS)
65
A-4426-275-A PANEL BOARD, COMPLETE (NX3: E, AUS)
67
1-769-886-11 WIRE (FLAT TYPE) (7CORE)
65
68
62
68
64
66
67
63
not
supplied
supplied
65
68
62
68
64
66
67
63
not
supplied
supplied
27
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 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.
• Abbreviation
CH
: Chinese model
HK : Hong Kong model
MY : Malaysia model
SP
MY : Malaysia model
SP
: Singapore model
TH
: Thai model
(MY, S
(
JW953
22
Location A – D, 5 – 7
(
MY, SP, HK)
(
TH, CH)
@
23
@
#
$
^
#
11
Page
STR-NX1/NX3
STR-NX300
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
29
102
A-4426-281-A PA BOARD, COMPLETE (NX3: E, AUS)
0 104
1-575-651-11 CORD, POWER (NX: MY, SP)
* 105
3-703-244-00 BUSHING (2104), CORD
106
A-4426-277-A MAIN BORD, COMPLETE (NX3: MY, SP)
(US, CND, AEP, UK, KR, MY, SP, AUS)
109
4-221-364-01 CHASSIS
0 T951
1-433-996-11 TRANSFORMER, POWER (NX3: E, AUS)
102
A-4428-730-A PA BOARD, COMPLETE
0 104
1-777-071-51 CORD, POWER (HK, MY, SP)
0 104
1-783-205-11 CORD, POWER (CH)
0 104
1-791-901-11 CORD, POWER (TH)
* 105
3-703-244-21 BUSHING (2104), CORD (MY, SP, HK, CH)
* 105
3-703-571-11 BUSHING (S) (4516), CORD (TH)
106
A-4426-657-A MAIN BORD, COMPLETE (MY, SP, HK)
106
A-4428-007-A MAIN BORD, COMPLETE (CH)
106
A-4428-364-A MAIN BORD, COMPLETE (TH)
0 107
1-770-019-11 ADAPTOR, CONVERSION 2P (HK)
109
X-4952-635-1 CHASSIS ASSY
0 T951
1-435-279-11 TRANSFORMER, POWER
105
102
#2
#5
supplied
A
105
102
#2
#5
#5
not
supplied
supplied
A
The components identified by
mark 0 or dotted line with
mark 0 are critical for safety.
Replace only with part num-
ber specified.
mark 0 or dotted line with
mark 0 are critical for safety.
Replace only with part num-
ber specified.
12
5.
ELECTRICAL PARTS LIST
• Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when order-
ing these items.
Some delay should be anticipated when order-
ing these items.
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
When indicating parts by reference
number, please include the board.
number, please include the board.
• Abbreviation
CH
: Chinese model
HK : Hong Kong model
MY : Malaysia model
SP
MY : Malaysia model
SP
: Singapore model
TH
: Thai model
Page
STR-NX1/NX3
STR-NX300
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
30
32
35
36
A-4426-277-A MAIN BOARD, COMPLETE (NX3: MY, SP)
*********************
CN121 1-784-776-11 CONNECTOR, FFC 15P
(AEP, UK, MY, SP, JE)
IC501 8-759-597-56 IC M30622MA-A12FP
R582
1-249-407-11 CARBON
150
5%
1/4W
(NX3)
R584
1-249-417-11 CARBON
1K
5%
1/4W
(MY, SP, JE)
A-4426-281-A PA BOARD, COMPLETE (NX3: E, AUS)
*******************
C883
1-127-813-11 ELECT
3300uF 20%
71V
(E, AUS, JE)
C884
1-127-813-11 ELECT
3300uF 20%
71V
(E, AUS, JE)
A-4426-657-A MAIN BOARD, COMPLETE (MY, SP, HK)
A-4428-007-A MAIN BOARD, COMPLETE (CH)
A-4428-364-A MAIN BOARD, COMPLETE (TH)
A-4428-007-A MAIN BOARD, COMPLETE (CH)
A-4428-364-A MAIN BOARD, COMPLETE (TH)
*********************
CN121 1-784-774-11 CONNECTOR, FFC 13P (TH)
CN121 1-784-776-11 CONNECTOR, FFC 15P (MY, SP, HK, CH)
IC501 8-759-656-80 IC M30622MA-A29FP
R582
1-249-415-11 CARBON
680
5%
1/4W
R583
1-249-425-11 CARBON
4.7K
5%
1/4W
(TH, CH)
R584
1-249-411-11 CARBON
330
5%
1/4W
(TH)
R584
1-249-415-11 CARBON
680
5%
1/4W
(CH)
R584
1-249-417-11 CARBON
1K
5%
1/4W
(MY, SP, HK)
A-4428-730-A PA BOARD, COMPLETE
*******************
C883
1-127-812-11 ELECT
3300uF 20%
63V
C884
1-127-812-11 ELECT
3300uF 20%
63V
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