Sony CDX-F7710 / CDX-F7710S / CDX-F7715X / CDX-F7750 / CDX-F7750S Service Manual ▷ View online
37
CDX-F7710/F7710S/F7715X/F7750/F7750S
Pin No.
Pin Name
I/O
Pin Description
65
XUART
I
Sony-Bus/MC-Bus change signal input H: Sony-Bus, L: MC-Bus
66
ZMUTE
O
Zero detection mute signal output
67
MECON CHK
I
MECON rising detection signal input
68
CDON CHK
I
CDON rising detection signal input
69 to 74
NC
—
Not used. (Open)
75
RSTX
I
System reset signal input
76
NC
—
Not used. (Open)
77
X1A
—
Sub-clock connect pin Not used in this set. (Open)
78
X0A
—
Sub-clock connect pin Not used in this set. (Connect to Vss.)
79
VSS
—
Ground pin
80
X0
I
Main-clock connect pin (12 MHz)
81
X1
O
Main-clock connect pin (12 MHz)
82
VCC
—
Power supply pin (+3.3 V)
83
XTS
I
Not used in this set. (Open)
84
XINIT3
I
Not used in this set. (Open)
85
NC
—
Not used. (Open)
86
XSJIG
I
Not used in this set. (Open)
87 to 89
XINIT0 to 2
I
Not used in this set. (Open)
90 to 97
NC
—
Not used. (Open)
98
XLINE
I
Not used in this set. (Open)
99, 100
NC
—
Not used. (Open)
38
CDX-F7710/F7710S/F7715X/F7750/F7750S
• IC303 MB90487APFV-G-127-BNDE1 (SYSTEM CONTROL) (MAIN BOARD (3/4))
Pin No.
Pin Name
I/O
Pin Description
1
DIAG
I
Power amplifier self diagnostic test functions signal input
2
STB
O
Power amplifier standby signal output
3
NC
—
Not used. (Open)
4
ATT
O
LINE mute control signal output
5
BEEP
O
Power amplifier beep signal output
6
NC
—
Not used. (Open)
7
FSW IN
I
FL switch signal input
8
NC
—
Not used. (Open)
9
VSS
—
Ground pin
10
DST SEL0
I
Distination select signal input 0
11
DST SEL1
I
Distination select signal input 1
12
611 SEL
I
611 CD mechanism type select signal input
13 to 18
NC
—
Not used. (Open)
19
EE SIO
I/O
EEPROM serial data signal input/output
20
EE SCK
O
EEPROM serial clock signal output
21
VCC
—
Power supply pin (+3.3 V)
22
Z DET
I
611TA/TS CD mechanism type zero mute detect signal input
23
CDM ON IN
I
611TA/TS CD mechanism on/off signal input
24
CD ON IN
I
611TA/TS CD mechanism type CD on/off signal input
25
DP RX
I
Display microcomputer interface signal input
26
DP TR
O
Display microcomputer interface signal output
27
NC
—
Not used. (Open)
28
BUS ON
O
Bus on/off signal output
29
SYS RST
O
Bus system reset signal output
30
NC
—
Not used. (Open)
31
I2C SCK
O
I2C bus serial clock signal output
32
I2C SIO
I/O
I2C bus serial data signal input/output
33
AVDD
—
Power supply pin for A/D converter (+3.3 V)
34
AVRH
—
External reference power supply pin for A/D converter
35
AVSS
—
Ground pin for A/D converter
36
SA IN
I
Spectrum analyzer data signal input
37
NC
—
Not used. (Open)
38
VSM
I
S meter signal input
39
QUALITY
I
Tuner noise detect signal input (RDS model only)
40
VSS
—
Ground pin
41, 42
KEY IN0, 1
I
Key signal input
43
NC
—
Not used. (Open)
44
RC IN0
I
Rotary commander signal input
45
XKEY ON
O
Key power supply control signal output Pin t; (KEY ACK) active: “L” output
46
NC
—
Not used. (Open)
47, 48
MD0, 1
I
Input for operation mode designation Fixed at “H”.
49
MD2
I
Input for operation mode designation Fixed at “L”.
50
KEY ACK
I
Key acknowledge detect signal input
51
BU IN
I
Backup power supply detect signal input
52
DOOR SW
I
Door switch signal input
53
TU ATT IN
I
Tuner attenuate zero detect signal input
54
DAVN
I
RDS block data detect signal input
55
NC
—
Not used. (Open)
56
UNISI
I
Bus serial data signal input
57
UNISO
O
Bus serial data signal output
58
UNICLK
O
Bus serial clock signal output
59
FL ON
O
DC/DC converter power on signal output
39
CDX-F7710/F7710S/F7715X/F7750/F7750S
Pin No.
Pin Name
I/O
Pin Description
60
FSW SFT
O
DC/DC converter frequency change signal output
61
NC
—
Not used. (Open)
62
FL DP POW
O
Power supply control signal output of FL driver IC and display microcomputer
63
SIRCS
I
Remote control signal (infrared rays) input
64
RAM BU
I
RAM backup signal input
65
NOSE SW
I
Nose switch signal input
66
DOOR IND
O
Door indicator signal output
67
MA FLS W
I
Memory mode changeover signal input
Normally “H” input (Single chip mode), “L” after reset: Flash wright mode
68
MAS IF
O
Master microcomputer interface signal output
69
DISP IF
I
Display microcomputer interface signal input
70
DISP FLS W
I
Display flash wright mode signal input
71
DISP RESET
O
Display microcomputer reset signal output
72
NC
—
Not used. (Open)
73, 74
RE IN0, 1
I
Rotary encoder signal input
75
RESET
I
Reset signal input
76
NC
—
Not used. (Open)
77
X1A
—
32 kHz oscillator connect pin (32.768 kHz)
78
X0A
—
32 kHz oscillator connect pin (32.768 kHz)
79
VSS
—
Ground pin
80
X0
—
18 MHz oscillator connect pin (18.432 MHz)
81
X1
—
18 MHz oscillator connect pin (18.432 MHz)
82
VCC
—
Power supply pin (+3.3 V)
83 to 90
NC
—
Not used. (Open)
91
TU ATT
O
Tuner mute control signal output
92
NS MASK
O
Noise mask signal output
93
VOL ATT
O
Electronic volume attenuate control signal output
94
SA CLK
O
Spectrum analyzer clock signal output
95
ILL IN
I
Illumination on/off signal input
96
TEST IN
I
Test mode detect signal input
97
TEL ATT
I
Telephone attenuate signal input
98
RC IN1
I
Rotary commander shift key signal input
99
ACC IN
I
Accessory power supply detect signal input
100
BUS/AUX
O
BUS/AUX input select signal output “H”: BUS in, “L”: AUX in
40
CDX-F7710/F7710S/F7715X/F7750/F7750S
SECTION 4
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
4-1. MAIN SECTION
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
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 piéce
portant le numéro spécifié.
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories are given in the last of this
parts list.
R
R
1
X-3384-273-1 LOCK ASSY
2
1-828-511-11 CABLE, FLAT (FFC) 22P
3
3-246-030-01 BUTTON (EJECT)
4
3-261-903-01 SCREW (+BTT M2X5)
5
X-3384-490-2 PANEL ASSY (CD), SUB
6
X-3384-271-2 GEAR ASSY
7
3-713-786-51 SCREW +P 2X3
* 8
3-246-006-31 COVER
9
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
10
1-790-375-12 CORD (WITH CONNECTOR) (SUB OUT (MONO))
11
A-1087-268-A MAIN BOARD, COMPLETE (F7715X)
11
A-1087-269-A MAIN BOARD, COMPLETE (EXCEPT F7715X)
12
1-776-207-72 CORD (WITH CONNECTOR) (POWER)
(F7710/F7710S/F7715X)
12
1-776-527-71 CORD (WITH CONNECTOR) (ISO) (POWER)
(F7750/F7750S)
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TUX501 A-3220-961-A TUNER UNIT (TUX-032)
#1
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-793-09 SCREW +PTT 2.6X8 (S)
F901
not supplied
not supplied
not supplied
(RELAY board)
(RELAY board)
TUX501
not supplied
#1
#1
#1
#1
#2
#2
#1
MG-611MA-186//K
A
A
B
B
1
2
4
5
6
7
4
3
8
9
12
10
11
not supplied
Click on the first or last page to see other CDX-F7710 / CDX-F7710S / CDX-F7715X / CDX-F7750 / CDX-F7750S service manuals if exist.