Sony HT-1700D / HT-5500D / HT-DDW740 / HT-DDW840 / STR-K740P / STR-K840P Service Manual ▷ View online
25
STR-K740P/K840P
3-16. IC PIN FUNCTION DESCRIPTIONS
• IC1601 MB90478PF-G-120-BND (SYSTEM CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
I
I
O
O
I
O
O
O
O
O
—
O
O
O
O
O
O
I
O
O
O
O
—
I
I
O
O
I/O
O
O
O
O
O
I/O
—
I
—
I
I
I
I
—
I
I
I
O
I
I
I
I
Pin Name
DATAO
GP9
BST
HCS
HACN
XRST
PM
PD
SMUTE
CDT1
VSS
SCL
CS
DATA
CLK
LATCH
SPK B RELAY
HDOUT
HDIN
HCLK
F.MUTE
AC MUTE
VCC5
ANA/DIG
HP DETECT
DCS LED
FLASH2
SP SWITCH/FLASH1
BLUE LED
MODE
2CH
AFD
SCL
SDA
AVCC
AVRH
AVSS
A/D0
A/D1
A/D2
A/D3
VSS
RDS SIGNAL
MODEL
VERSION
NC
NC
STOP
MD0
MD1
Description
Audio data signal input from DIR
GP9 signal input from DSP
BST signal output to DSP
HCS signal output to DSP
HACN signal input from DSP
Reset signal output to DSP
PM signal output to DSP
Power down signal output to AUDIO CODEC
Muting signal output to AUDIO CODEC
Control data signal output to AUDIO CODEC
Ground
Clock signal output to AUDIO CODEC
Chip select signal output to AUDIO CODEC
Control data signal output to the sound processor
Clock signal output to the sound processor
Latch signal output to the sound processor
Not used
HDOUT signal input from DSP
HDIN signal output to DSP
Clock signal output to DSP
Muting signal output
Muting signal output to the power amplifier
Power supply
Muting and error signal input
Headphone switch detect signal input
DCS LED control signal output
Terminal for FLASH programming
Speaker ON/OFF switch signal input / Terminal for FLASH programming
MULTI CH LED control signal output
MODE LED control signal output
2CH LED control signal output
AFD LED control signal output
Serial clock output
Serial data input or output
Analog power supply
Analog reference voltage input
Analog ground
Function key push signal input
Function key push signal input
Function key push signal input
Function key push signal input
Ground
RDS signal detect input
Version setting input (MODEL)
Version setting input (DESTINATION)
Not used
Not used
AC off detect signal input
Operation mode setting input
Operation mode setting input
26
STR-K740P/K840P
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
I
O
O
I
I
I
I
I
I
I
O
O
O
O
I
O
I
O
O
O
O
O
O
O
O
I
I
O
—
—
—
—
—
—
I
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
Pin Name
MD2
RDS CLOCK
RDS DATA
SIRCS
FUSE DETECT
POWER KEY
JOG (B)
JOG (A)
VOL (B)
VOL (A)
DIN
CLK
FL STB
CONTROL A1 OUT
CONTROL A1 IN
POWER RELAY
PROTECTOR
HEADPHONE RELAY
WOOFER RELAY
REAR RELAY
CENTRE RELAY
PREOUT/FRONT RELAY
TUNED
STEREO
MUTING
DO
RSTX
SLATCH
X1A
X0A
VSS
X0
X1
VCC3
NC
NC
SW4
SW3
SW2
SW1
SECTION1
SECTION2
XMODE
CKSEL 1
CLK
CE
DI
DO
ERROR
XSTATE
Description
Operation mode setting input
RDS clock signal output (Not used)
RDS data signal output (Not used)
Data signal input from the remote control sensor
Fuse detect signal input
Power switch key detect signal input
Jog dial signal input from the rotary encoder
Jog dial signal input from the rotary encoder
Jog dial signal input from the rotary encoder
Jog dial signal input from the rotary encoder
Data signal output to the FL tube driver
Clock signal output to the FL tube driver
Strobe signal output to the FL tube driver
Control A1 signal output
Control A1 signal input
Power relay control signal output
Protector status detect signal input
Headphone relay control signal output
Woofer relay control signal output
Rear speaker relay control signal output
Centre speaker relay control signal output
Front speaker relay control signal output
Tuning a frequency signal input from the tuner
Stereo tuning signal input from the tuner
Muting signal output to the tuner
Frequency data signal input from the tuner
System reset
Latch signal output to the tuner
Not used
Not used
Ground
Connection for a crystal resonator
Connection for a crystal resonator
Power supply
Not used
Not used
Video select control signal output
Video select control signal output
Video select control signal output
Video muting control signal output
Optical in selector control signal output
Optical in selector control signal output
Reset signal output to DIR
CKSEL control signal to DIR
Clock signal output to DIR
Chip enable signal output to DIR
Data signal output to DIR
Data signal input from DIR
PLL error muting signal input from DIR
XSTATE data signal input from DIR
SECTION 4
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.
•
Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts of Color Cabinet’s Color
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Accessories and packing materials are given in
the last of this parts list.
the last of this parts list.
•
Abbreviation
CND : Canadian model
MY : Malaysia model
SP
CND : Canadian model
MY : Malaysia model
SP
: Singapore model
MX : Mexican model
AR
AR
: Argentine model
27
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
le numéro spécifié.
STR-K740P/K840P
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
4-1. Front Panel Section
2
4
1
5
5
6
6
6
5
5
9
10
11
3
8
#1
#1
7
FL101
chassis section
not supplied
1
X-4954-429-1 FRONT PANEL ASSY (SILVER) (K740P:US)
1
X-4954-430-1 FRONT PANEL ASSY (SILVER) (K740P:CND)
1
X-4954-431-1 FRONT PANEL ASSY (SILVER) (K740P:E,MY,SP)
1
X-4954-432-1 FRONT PANEL ASSY (SILVER) (K740P:AEP,UK)
1
X-4954-433-1 FRONT PANEL ASSY (SILVER) (K840P:US)
1
X-4954-434-1 FRONT PANEL ASSY (SILVER) (K840P:CND)
1
X-4954-435-1 FRONT PANEL ASSY (SILVER)
(K840P:E,MY,SP,AR,MX)
1
X-4954-436-1 FRONT PANEL ASSY (SILVER) (K840P:AEP,UK)
1
X-4954-605-1 FRONT PANEL ASSY (BLACK) (K740P:US)
1
X-4954-606-1 FRONT PANEL ASSY (BLACK) (K840P:US)
2
4-232-113-01 KNOB (VOL) (BLACK)
2
4-232-113-12 KNOB (VOL) (SILVER)
3
4-232-118-01 CASE (BLACK)
3
4-232-118-21 CASE (SILVER)
4
1-683-763-11 HEADPHONE BOARD
5
4-951-620-01 SCREW (2.6X8), +BVTP
6
4-210-291-01 SCREW (CASE 3 TP2) (BLACK)
6
4-210-291-11 SCREW (CASE 3 TP2) (SILVER)
7
1-773-250-11 WIRE (FLAT TYPE) (27 CORE)
* 8
4-921-941-01 CUSHION (FL)
9
3-386-245-13 HOLDER (FL)
10
A-4727-966-A DISPLAY BOARD, COMPLETE (K840P)
10
A-4728-362-A DISPLAY BOARD, COMPLETE (K740P)
11
1-683-759-11 POWER SW BOARD
FL101
1-518-718-11 INDICATOR TUBE, FLUORESCENT
#1
7-685-646-79 SCREW +BVTP
3X8
TYPE2 IT-3
Ver 1.1 2003.07
28
STR-K740P/K840P
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
4-2. Chassis Section-1
56
51
51
52
52
53
54
57
58
60
66
63
62
#1
#1
#1
#1
#1
#1
#1
#1
#3
#3
#2
#2
#2
#1
#1
#1
not supplied
not supplied
not supplied
not supplied
not supplied
T901
59
56
61
65
67
55
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
64
68
51
4-232-237-01 FOOT (DIA. 30)
52
4-977-358-01 CUSHION
53
A-4727-963-A MAIN BOARD, COMPLETE (K840P:US,CND)
53
A-4727-967-A MAIN BOARD, COMPLETE
(K840P:E,MY,SP,AR,MX)
53
A-4727-978-A MAIN BOARD, COMPLETE (K840P:AEP,UK)
53
A-4728-359-A MAIN BOARD, COMPLETE (K740P:US,CND)
53
A-4728-367-A MAIN BOARD, COMPLETE (K740P:AEP,UK)
53
A-4728-583-A MAIN BOARD, COMPLETE (K740P:E,MY,SP)
54
3-905-609-01 SCREW (TRANSISTOR)
55
4-238-189-21 BACK PANEL (DE4) (K740P:US)
55
4-238-189-31 BACK PANEL (DE4) (K740P:CND)
55
4-238-189-41 BACK PANEL (DE4) (K740P:MY,SP)
55
4-238-189-51 BACK PANEL (DE4) (K740P:E)
55
4-238-189-61 BACK PANEL (DE4) (K740P:AEP)
55
4-238-189-71 BACK PANEL (DE4) (K740P:UK)
55
4-238-193-01 BACK PANEL (HT4) (K840P:US)
55
4-238-193-11 BACK PANEL (HT4) (K840P:CND)
55
4-238-193-21 BACK PANEL (HT4) (K840P:MY,SP)
55
4-238-193-31 BACK PANEL (HT4) (K840P:E)
55
4-238-193-41 BACK PANEL (HT4) (K840P:AEP)
55
4-238-193-51 BACK PANEL (HT4) (K840P:UK)
55
4-238-193-81 BACK PANEL (HT4) (K840P:AR)
55
4-238-193-91 BACK PANEL (HT4) (K840P:MX)
56
X-4953-448-1 FOOT ASSY
57
1-575-662-31 WIRE (FLAT TYPE) (5 CORE) (K840P:AR,MX)
57
1-769-844-11 WIRE (FLAT TYPE) (5 CORE)
(EXCEPT K840P:AR,MX)
58
A-4727-964-A DIGITAL BOARD, COMPLETE (K840P:US,CND)
58
A-4727-970-A DIGITAL BOARD, COMPLETE (K840P:MY,SP,AR)
58
A-4727-974-A DIGITAL BOARD, COMPLETE (K840P:E,MX)
58
A-4727-980-A DIGITAL BOARD, COMPLETE (K840P:AEP,UK)
58
A-4728-360-A DIGITAL BOARD, COMPLETE (K740P:US,CND)
58
A-4728-363-A DIGITAL BOARD, COMPLETE (K740P:MY,SP)
58
A-4728-365-A DIGITAL BOARD, COMPLETE (K740P:E)
58
A-4728-368-A DIGITAL BOARD, COMPLETE (K740P:AEP,UK)
59
1-693-577-21 TUNER PACK
(K740P:US,CND,E/K840P:US,CND,E,MX)
59
1-693-578-21 TUNER PACK (K740P:AEP,UK/K840P:AEP,UK)
59
1-693-580-21 TUNER PACK (K740P:MY,SP/K840P:MY,SP,AR)
60
1-769-940-11 WIRE (FLAT TYPE) (11 CORE)
(EXCEPT K740P:AEP,UK/K840P:AEP,UK)
60
1-773-004-11 WIRE (FLAT TYPE) (15 CORE)
(K740P:AEP,UK/K840P:AEP,UK)
– Continued on page 29 –
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