Sony CDX-H910UI / CDX-HR910UI Service Manual ▷ View online
CDX-H910UI/HR910UI
29
• IC Pin Function Description
MAIN BOARD (3/3) IC501 MB90F883AHPF-G-104E1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
CYRIL_SEL
I
Cyrillic setting terminal “H”: Cyrillic ON, “L”: Cyrillic OFF
2
B-OUT_SEL
I
Black out setting terminal “H”: Block out ON, “L”: Block out OFF
3
COL_SW
I
Initial color setting terminal “H”: Blue, “L”: Red
4
ILLUMI_SEL
—
Not used. (Pull down)
5
DOOR_SW
I
Front panel open detection signal input
6
DOOR_IND
O
Front panel open indicator drive signal output
7 to 10
NCO
—
Not used. (Open)
11
RE IN0
I
Rotary encoder signal input from Front panel
12
RE IN1
I
Rotary encoder signal input from Front panel
13
X_OUT
O
Low speed operation clock signal output (32.768kHz)
14
X_IN
I
Low speed operation clock signal input (32.768kHz)
15
VCC
—
Power supply (+3.3V)
16
VSS
—
Ground
17
C
—
Capacitor connected terminal
18
UNISI
I
S-BUS serial data signal input
19
UNISO
O
S-BUS serial data signal output
20
UNISCK
O
S-BUS serial clock signal output
21
NCO
—
Not used. (Open)
22
I2C_SIO
I/O
I2C serial data signal input/output
23
I2C_SCK
O
I2C serial clock signal output
24
NCO
—
Not used. (Open)
25
ACC_IN
I
Accessory power supply detection signal input
26
TEL_ATT
I
Telephone attenuate detection signal input
27
ATT
O
Audio mute control signal output
28
BUS_ON
O
S-BUS ON signal output
29
SYS_RST
O
System reset signal output
30
CD_ON
I
CD mechanism servo power supply control request signal input
31
CDM_ON
I
CD mechanism deck power supply control request signal input
32
AVCC
—
A/D converter power supply (+3.3V)
33
AVRH
—
A/D converter external reference power supply (+3.3V)
34
RC_IN1
I
Rotary command signal input from Remote in
35
AVSS
—
Ground for A/D converter
36
NCO
—
Not used. (Open)
37
VSM
I
S meter voltage detection signal input
38
SA_IN
I
Spectrum analyzer/electronic volume DC signal input
39
KEY_IN1
I
Key signal input 1
40
KEY_IN0
I
Key signal input 0
41
RC_IN0
I
Rotary command signal input from Remote in
42, 43
NCO
—
Not used. (Open)
44
VSS
—
Ground
45
KEY_ACK0
I
Acknowledge detection signal input from Rotary commander
46
KEY_ACK1
I
Acknowledge detection signal input from Front panel button
47
NCO
—
Not used. (Open)
48
LCD_CE
O
Liquid crystal display driver chip enable signal output
49
LCD_SO
O
Liquid crystal display driver serial data signal output
50
LCD_SCK
O
Liquid crystal display driver serial clock signal output
51
MD2
I
Mode setting terminal
52
MD1
I
Mode setting terminal
53
MD0
I
Mode setting terminal
54
RESET
I
Reset signal input
55
AREA_SEL2
I
Destination setting terminal
56
AREA_SEL1
I
Destination setting terminal
57
AREA_SEL0
I
Destination setting terminal
CDX-H910UI/HR910UI
30
Pin No.
Pin Name
I/O
Description
58
WAKE_UP
O
CD mechanism servo wake up signal output
59
MC_RX
I
CD servo control serial data signal input
60
MC_TX
O
CD servo control serial data signal output
61
CLK
O
CD servo control serial clock signal output Not used
62
Z_MUTE
I
Mute signal input
63
ILL_IN
I
Illumination check signal input
64
TEST
I
Test mode detection signal input Not used (Pull up)
65
VCC
—
Power supply (+3.3V)
66
VSS
—
Ground
67
NCO
—
Not used. (Open)
68
AMP_STB
O
Standby signal output to power regulator IC
69
DIAG
I
Condition signal input from power amplifi er IC
70
EJECT_OK
O
EJECT OK signal output
71
SA_OUT
O
Spectrum analyzer/electronic volume control serial data signal output
72
SA_CLK
O
Spectrum analyzer/electronic volume control serial clock signal output
73
NCO
—
Not used. (Open)
74
TU_ATT
O
Tuner mute control signal output Not used (Open)
75
CD_MUTE
O
CD/USB mute signal output
76
RDS_ON
O
RDS power supply control signal output
77
FLASH_EN0
I
Flash write enable signal input
78
FLASH_EN1
I
Flash write enable signal input
79
USB_ON
O
USB power control signal output
80
DD_ON
O
DC-DC converter on/off control signal output
81
XFLASH
I
Flash write mode setting terminal Not used (Connected to ground)
82
NCO
—
Not used. (Open)
83
BU_CHECK
I
Back up power detect check signal input
84
DAVN
I
RDS data block cycle detection signal input Not used.
85 to 87
NCO
—
Not used. (Open)
88
V-BUS_ON
I
VBUS power control signal input “H”: VBUS ON, “L”: VBUS OFF
89
USB_OVR
I
USB power over current detect signal input
90
VCC
—
Power supply (+3.3V)
91
VSS
—
Ground
92
OSC_OUT
O
High speed operation clock signal output (7.92MHz)
93
OSC_IN
I
High speed operation clock signal input (7.92MHz)
94
NCO
—
Not used. (Open)
95
SIRCS
I
Remote control signal input
96
NCO
—
Not used. (Open)
97
BEEP
O
Beep signal output
98
ZAPPIN_BEEP
O
ZAPPIN BEEP signal output
99
SYNC_OUT
O
DC-DC converter oscillator frequency control signal output
100
NCO
—
Not used. (Open)
31
CDX-H910UI/HR910UI
SECTION 5
EXPLODED VIEWS
1
2-696-212-11 KNOB
(VOLUME)
2
3-267-213-01 SPRING
(COIL/RTRY)
3
A-1609-811-A PANEL OVERALL ASSY, FRONT (H910UI)
3
A-1609-892-A PANEL OVERALL ASSY, FRONT (HR910UI)
4
2-696-242-11 COVER
(CONNECTOR)
5
2-696-244-11 COVER (FPC), PANEL
6
3-452-480-01 SCREW, +PTT 2X5 (P-TYPE)
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
5-1. FRONT PANEL SECTION
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. Some delay should be anticipated
when ordering these items.
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)
↑
↑
Parts Color Cabinet’s Color
• Accessories are given in the last of the
electrical parts list.
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
2
3
4
5
7
7
sub panel section
#1
main section
6
6
32
CDX-H910UI/HR910UI
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
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
3-452-480-01 SCREW, +PTT 2X5 (P-TYPE)
57
2-696-243-11 COVER (FPC), SUB
58
X-2342-272-1 PANEL (SV) ASSY, SUB
59
3-870-548-01 SCREW, +PTT 1.7XL (P-TYPE)
60
2-696-240-11 SEAL
(BASE)
61
1-872-095-11 PRINTING WIRING BOARD, FLEXIBLE (17P)
62
3-870-548-11 SCREW, +PTT 1.7XL (P-TYPE)
63
2-696-237-11 HOLDER
(SWITCH)
64
2-698-288-01 SPRING
(SWITCH)
65
2-696-236-11 LEVER
(SWITCH)
66
3-040-990-21 BUTTON
(EJECT)
67
A-1609-807-A PANEL OVERALL ASSY, SUB
68
2-889-258-11 SCREW, +B M2 EG GRIP
5-2. 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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