Sony STR-DH500 Service Manual ▷ View online
STR-DH500
45
DIGITAL AB BOARD (3/3) IC1101 MB90F046PF-G-118E1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
DIR_DATA0
I
Serial data input from DIR IC
2
V_MUTE
O
Video mute signal output for COMPONENT VIDEO SELECT IC
3, 4
COMP_S2, COMP_S1
O
Component video select signal output for COMPONENT VIDEO SELECT IC
5, 6
V_SW1, V_SW2
O
Video select signal output for COMPOSITE VIDEO SELECT IC
7
V_SW4
O
Video select signal output for COMPOSITE VIDEO SELECT IC
8
XRST
O
System reset signal output for DSP EX3 IC
9
V_SW5
O
Video select signal output for COMPOSITE VIDEO SELECT IC
10
NC
—
Not used (Open)
11
VSS
—
Ground terminal
12
DAC ML
O
Serial latch signal output for 6CH DAC IC
13
DAC MC
O
Clock signal output for 6CH DAC IC
14
DAC MDI
O
Serial data output for 6CH DAC IC
15
DAC MUTE
O
Mute signal output for 6CH DAC IC
16
NC
—
Not used (Open)
17
NC
—
Not used (Open)
18
MISO (Serial In)
I
Serial data input from DSP EX3 IC
19
MOSI (Serial Out)
O
Serial data output for DSP EX3 IC
20
DSP SPI CLK
O
Serial data transfer clock signal output for DSP EX3 IC
21
DSP SPIDS (LAT)
I
Serial data latch pulse signal input for DSP EX3 IC
22
MODEL
I
Model select signal input (Fixed at L)
23
Vcc5
—
Power Supply Pin (+3.3V)
24
VOL_IC_DATA
O
Serial data output for VOLUME IC BD3471KS2
25
VOL_IC_CLK
O
Clock signal output for VOLUME IC BD3471KS2
26
DMPORT_DET
I
DMPORT detection signal input
27
FLASH2/DMPORT_MI-
COM RX
I
Flash programming signal input/ DMPORT receiver signal output
28
FLASH1/DMPORT_MI-
COM TX
O
Flash programming signal output/ DMPORT receiver signal input
29
SDA
I
Serial data input from EEPROM IC
30
SCL
O
Clock signal output for EEPROM IC
31
ENC_A
I
Input selector Encoder (A) signal input
32
ENC_B
I
Input selector Encoder (B) signal input
33
P_HDMI_S2
O
Switching signal output for HDMI IC
34
P_HDMI_S1
O
Switching signal output for HDMI IC
35
AVCC
—
Power supply pin (+3.3V)
36
AVRH
—
Power supply pin (+3.3V)
37
AVSS
—
Ground
38
DCAC IN
I
AUTO CAL MIC analog signal input (except US Canadian model)
39
A/D 1
I
Key signal input (A/D port)
40
A/D 2
I
Key signal input (A/D port)
41
VERSION
I
DESTINATION detection signal input (L: US, Canadian model, H: Except US, Canadian
model)
42
VSS
—
Ground terminal
43
LIMITER
I
Limiter level detection circuit signal input
44
TEMP SENSOR 2
I
Temperature Sensor 2 signal input
45
VACS CTRL
—
NC
46
TEMP SENSOR 1
I
Temperature Sensor 1 signal input
47
DSP INT
I
Interrupt status input from DSP EX3 IC
48
STOP
I
AC off detection signal input
49
MD0
—
Selection of micon operation mode
50
MD1
—
Not used (Connect to AVCC)
51
MD2
—
Selection of micon operation mode
52
RDS_CLK
I
RDS data clock signal input (AEP, UK only)
53
RDS_DATA
I
RDS data input (AEP, UK only)
54
SIRCS
I
SIRCS signal input
Ver. 1.1
STR-DH500
46
Pin No.
Pin Name
I/O
Description
55
HP DETECT
I
Headphone detection signal input
56
POWER KEY
I
Power key detection signal input
57
DCAC INT
I
DCAC data input from DSP EX3 IC
58
POWER RY
O
Power relay driver control signal output
59
MULTI_ST
—
Not used
60
NIGHT_MODE
—
Not used
61
PROTECTOR
I
Protector detection signal input
62
HP_RY
O
Headphone relay driver control signal output
63
FUSE_DETECT
I
Fuse open detection signal input
64
VOL ENCODER (B)
I
MASTER VOLUME encoder (B) signal input
65
VOL ENCODER (A)
I
MASTER VOLUME encoder (A) signal input
66
C/ SW/ REAR/ SB RY
O
Center / surround speaker relay driver control signal output
67
NC
—
Not used
68
Bridgeable RY
O
Bridgeable relay control signal output
69
PRE-OUT SW RY
O
Sub woofer relay driver control signal output
70
FRONT A (Active SW)
O
Front speaker relay driver control signal output
71
HDMI_SELECT
I
HDMI IC Solution Select (HIGH = TMDS341A, LOW: TDA9996)
72
NC
—
Not used
73
FL_RESET
—
Not used
74
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
75
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
76
FL_LAT
O
Latch signal output for FL DISPLAY DRIVER IC
77
RSTX
I
Reset signal input
78
Tuner SD
I
Tuner detection signal input
79
X1A
—
Not used (Open)
80
X0A
—
Not used (connect to VSS)
81
Vss
—
Ground
82
X0
I
Clock signal input (24 MHz)
83
X1
I
Clock signal input (24 MHz)
84
Vcc3
—
Power Supply pin (+3.3v)
85
NC
—
Not used
86
P5_SEL A
O
Switching signal output for IC3504 SN74LV052APWR
87
P5_SEL B
O
Switching signal output for IC3504 SN74LV052APWR
88
HDMI_DET
I
HDMI detection signal input
89
DO/ SD/ ST
I
Tuner serial data input
90
TUNER_CLK
O
Serial clock signal output for tuner pack
91
TUNER_DATA
O
Serial data output for tuner pack
92
SLATCH
O
Tuner latch signal output
93
DIR_XMODE
O
Xmode signal output for DIR IC
94
DIR_CKSEL 1
O
Clock select signal output for DIR IC
95
DIR_CLK
O
Data clock signal output for DIR IC
96
DIR_CE
O
Latch signal output for DIR IC
97
DIR_DI
O
Data output for DIR IC
98
DIR_DO
I
Data input from DIR IC
99
DIR_ERROR
I
Error detection signal input from DIR IC
100
P_HDMI_S3
O
Switching signal output for HDMI IC
Ver. 1.1
47
STR-DH500
SECTION 5
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice.
vice.
Some delay should be anticipated when
ordering these items.
• Abbreviation
CND :
CND :
Canadian
model
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
R
R
Parts Color Cabinet’s Color
• Accessories are given in the last of the
electrical parts list.
5-1. CASE SECTION
The components identifi ed by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifi é.
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifi é.
#1
#1
#1
#1
#1
#1
#1
1
2
2
front panel section
back panel section
chassis section
1
2-661-145-52 CASE
2
2-580-630-01 SCREW +BVST 4X8
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
Ver. 1.1
48
STR-DH500
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
5-2. FRONT PANEL SECTION
FL101
57
53
54
56
55
55
55
supplied with
RV101
RV101
supplied with
RV102
RV102
52
51
not supplied
(HEADPHONE board)
(HEADPHONE board)
not supplied
not supplied
(POWER KEY board)
(POWER KEY board)
51
X-2342-228-1 FRONT PANEL ASSY (BLACK)...(BLACK) (US)
51
X-2342-229-1 FRONT PANEL ASSY (BLACK)...(BLACK)
(CND,AUS)
51
X-2342-230-1 FRONT PANEL ASSY (BLACK)...(BLACK)
(AEP,UK,RU)
52
4-977-358-01 CUSHION
53
4-124-321-01 KNOB, VOLUME (G53)
54
4-124-322-01 KNOB,
INPUT
(G53)
55
3-087-053-01 SCREW +BVTP 2.6 (3CR)
56
A-1602-264-A DISPLAY BOARD, COMPLETE (US,CND)
56
A-1602-292-A DISPLAY BOARD, COMPLETE (AEP,UK,RU,AUS)
57
1-828-002-51 WIRE (FLAT TYPE) (17 CORE)
FL101
1-483-065-11 VACUUM FLUORESCENT DISPLAY
Ver. 1.1
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