Sony CDX-H905IP / CDX-HR905IP Service Manual ▷ View online
CDX-H905IP/HR905IP
33
• IC Pin Function Description
MAIN BOARD (4/4) IC501 MB90F045PF-G-9062-SPE1 (SYSTEM CONTROL)
MAIN BOARD (4/4) IC501 MB90F045PF-G-9062-SPE1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
AREASEL0
I
Destination setting pin
2
AREASEL1
I
Destination setting pin (Fixed at L)
3
AREASEL2
I
Destination setting pin (H: FM (200k)/AM (10k), L: FM (50k)/AM (9k) (CDX-H905IP only))
4
AREASEL3
I
Destination setting pin
5
BEEP
O
Beep signal output to power amp IC.
6
AMPSTB
O
Standby signal output to power amp IC.
7
DIAG
I
Status signal input from power amp IC.
8
NCO
—
Not used. (Open)
9
SA_DATA
O
Data output for electronic volume IC.
10
SA_CKO
O
Spectrum analyzer clock signal output
11
VSS
—
Ground
12
TUATT
O
Tuner mute control signal output
13
NSMASK
O
Noise mask signal output (CDX-HR905IP only)
14
VOLATT
O
Mute control signal output to electronic volume IC.
15
ILLUMI_SEL
I
Not used. (Fixed at L)
16 to 20
NCO
—
Not used. (Open)
21
B-OUT_SEL
I
Black out select signal input. (Not used in this set)
22
NCO
—
Not used. (Open)
23
VCC5
—
Power supply (+3.3 V)
24
EEP_SIO
I/O
Serial data signal input/output for EEPROM.
25
EEP_CKO
O
Serial clock signal output for EEPROM.
26
RDS_ON
O
RDS ON signal output (CDX-HR905IP only)
27
LCD_CE
O
Chip enable signal output to LCD drive IC.
28
LCD_SO
O
Serial data signal output to LCD drive IC.
29
LCD_SCK
O
Serial clock signal output to LCD drive IC.
30
DOOR_IND
O
DISC SLOT indicator LED control signal output
31
RE_IN0
I
Rotary encoder signal input 0
32
RE_IN1
I
Rotary encoder signal input 1
33
I2C_SCK
O
I2C bus serial clock signal output
34
I2C_SIO
I/O
I2C bus serial data signal input/output
35
DAVDD
—
A/D converter power supply (+3.3 V)
36
AVRH
—
A/D converter external reference power supply (+3.3 V)
37
DAVSS
—
Ground
38
QUALITY
I
Noise detection signal input
39
VSM
I
S meter voltage detection signal input
40
KEYIN1
I
Key signal input 1
41
KEYIN0
I
Key signal input 0
42
VSS
—
Ground
43
RC_IN0
I
Rotary commander key signal input
44
INI_COL
I
Initial color setting signal input (Not used in this set)
45
COL_SEL
I
Key illumination 2 colors select signal input (Not used in this set)
46
SA_IN
I
Spectrum analyzer signal input
47
NCO
—
Not used. (Open)
48
AD_ON
O
A/D converter power supply control signal output
49, 50
MD0, MD1
I
Operation mode designation input. (Fixed at H)
51
MD2
I
Operation mode designation input. (Fixed at L)
52
KEYACK
I
Key acknowledge signal input
53
TU_ATTIN
I
Tuner mute zero cross detection signal input (CDX-HR905IP only)
54
BUIN
I
Backup power supply detection signal input
55
FUNC_SEL
O
AUX audio input/iPod audio input select control signal output
56
DAVN
I
RDS data block synchronized detection signal input from RDS receiver IC.
(CDX-HR905IP only)
(CDX-HR905IP only)
57
BUSON_A
O
Bus ON signal output
58
UNISI
I
SONY-BUS data signal input
CDX-H905IP/HR905IP
34
Pin No.
Pin Name
I/O
Description
59
UNISO
O
SONY-BUS data signal output
60
UNISCK
O
SONY-BUS clock signal output
61
Z-MUTE
I
CD zero cross mute detection signal input
62
NCO
—
Not used. (Open)
63
FLASH_W
I
Memory mode select signal input
64
SIRCS
I
Remote control signal input
65 to 69
NCO
—
Not used. (Open)
70
DOOR_SW
I
Front panel open/close detection signal input
71
RC_IN1
I
Rotary commander shift key signal input
72 to 74
NCO
—
Not used. (Open)
75
NCO
—
Not used. (Open)
76
NCO
—
Not used. (Open)
77
RESET
I
Reset signal input
78
NCO
—
Not used. (Open)
79
XOUT
O
Sub-clock signal output (32.768 kHz)
80
XIN
I
Sub-clock signal input (32.768 kHz)
81
VSS1
—
Ground
82
OSCIN
I
Main-clock signal input (18.432 MHz)
83
OSCOUT
O
Main-clock signal output (18.432 MHz)
84
VCC3
—
Power supply (+3.3 V)
85
CYRIL_SEL
I
CYRIL select signal input (Fixed at L)
86
DEMOSEL
I
Demo select signal input (Fixed at H)
87
NCO
—
Not used. (Open)
88
SYSRST
O
System reset signal output
89
EJECT_OK_SW
O
Eject OK signal output
90
NCO
—
Not used. (Open)
91
CDON
I
CD mechanism servo power control request signal input
92
CDMON
I
CD mechanism deck power control request signal input
93, 94
NCO
—
Not used. (Open)
95
BUSON
O
Bus ON signal output
96
TESTIN
I
Test mode detection signal input (Fixed at H)
97
ILL_IN
I
Illumination detection signal input (H: illumination OFF)
98
TELATT
I
Telephone attenuator detection signal input
99
ACCIN
I
Accessory power supply detection signal input
100
ATT
O
Audio mute control signal output
35
CDX-H905IP/HR905IP
SECTION 6
EXPLODED VIEWS
1
2-696-212-01 KNOB
(VOLUME)
2
3-267-213-01 SPRING
(COIL/RTRY)
3
A-1368-362-A PANEL OVERALL ASSY, FRONT (H905IP)
3
A-1368-367-A PANEL OVERALL ASSY, FRONT (HR905IP)
4
2-696-242-01 COVER
(CONNECTOR)
5
2-696-244-01 COVER (FPC), PANEL
6
2-889-257-01 SCREW,
+P2
TAPPING
7
3-934-325-11 SCREW, +K (5X8) TAPPING
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
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.
• 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.
6-1. FRONT PANEL 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
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifi é.
le numéro spécifi é.
1
2
3
4
5
7
7
sub panel section
#1
main section
6
6
To identify whether the model is of Type A
or B, refer to the Note for Repairs of the
CDX-H905IP described on page 4.
or B, refer to the Note for Repairs of the
CDX-H905IP described on page 4.
Ver. 1.1
36
CDX-H905IP/HR905IP
51
2-696-239-01 PLATE (PANEL), HINGE
52
2-889-258-01 SCREW, +B M2 EG GRIP
53
X-2149-026-1 HINGE
ASSY
(L)
54
2-696-235-01 PLATE (SUB), HINGE
55
X-2149-027-1 HINGE
ASSY
(R)
56
2-889-257-01 SCREW,
+P2
TAPPING
57
2-696-243-01 COVER (FPC), SUB
58
X-2716-357-3 PANEL (SV) ASSY, SUB
59
3-081-999-01 SCREW
(B1.7),
TAPPING
60
2-696-240-01 SEAL
(BASE)
61
1-872-095-11 PRINTED WIRING BOARD, FLEXIBLE (17P)
62
3-081-999-11 SCREW
(B1.7),
TAPPING
63
2-696-237-01 HOLDER
(SWITCH)
64
2-698-288-01 SPRING
(SWITCH)
65
2-696-236-01 LEVER
(SWITCH)
66
3-040-990-21 BUTTON
(EJECT)
67
A-1224-918-A PANEL OVERALL ASSY, SUB
68
2-889-258-11 SCREW, +B M2 EG GRIP
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
6-2. SUB PANEL SECTION
52
51
53
68
68
55
54
52
not supplied
not supplied
not supplied
not supplied
not supplied
(SUB board)
(SUB board)
56
57
56
58
59
60
62
62
59
59
61
63
64
65
66
67
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