DOWNLOAD Sony HCD-EC709IP / HCD-EC909IP Service Manual ↓ Size: 2.63 MB | Pages: 53 in PDF or view online for FREE

Model
HCD-EC709IP HCD-EC909IP
Pages
53
Size
2.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-ec709ip-hcd-ec909ip.pdf
Date

Sony HCD-EC709IP / HCD-EC909IP Service Manual ▷ View online

HCD-EC709iP/EC909iP
HCD-EC709iP/EC909iP
13
13
[iPod & iPhone]:
Tracking servo setting changes whenever the button is pressed 
(This function is executable only while CD is playing).
“ON”: Tracking servo ON.
“OFF”: Tracking servo OFF.
[FUNCTION]:
S character mode setting changes whenever the button is pressed.
“  ”: S character mode OFF.
“S”: S character mode ON.
5.  To release from this mode, press three buttons of [
u], [iPod 
& iPhone] and [
?/1
] simultaneously.
SECTION  4
ELECTRICAL  CHECK
Note:
1.  CD Block is basically constructed to operate without adjustment.
2.  Use YEDS-18 disc (Part No. 3-702-101-01) unless otherwise indicat-
ed.
3.  Use an oscilloscope with more than 10 M
Ω impedance.
4.  Clean the object lens by an applicator with neutral detergent when the 
signal level is low than specifi ed value with the following checks.
5.  Check the focus bias check when optical pick-up block is replaced.
FOCUS  BIAS  CHECK
+
BD73 board
oscilloscope 
(DC range) 
CL102 (RFOUT)
CL117 (VREF)
Procedure:
1.  Connect the oscilloscope to CL102 (RFOUT) and CL117 
(VREF) on the CD board.
2. Press the [
?/1
] button to turn the power on, and press the 
[FUNCTION] button to select CD function.
3.  Set disc (YEDS-18) and press the [
u] button to playback.
4. Confi rm that oscilloscope waveform is as shown in the fi gure 
below (eye pattern).
 
A good eye pattern means that the diamond shape (
◊) in the 
center of the waveform can be clearly distinguished.
VOLT/DIV: 200 mV 
TIME/DIV: 500 ns
level:
1.1 ± 0.4 Vp-p
Checking Location:
– BD73 Board (Conductor Side) –
IC101
CL102
(RFOUT)
CL117
(VREF)
HCD-EC709iP/EC909iP
HCD-EC709iP/EC909iP
14
14
SECTION  5
DIAGRAMS
5-1.  BLOCK  DIAGRAM - CD SERVO, TUNER Section -
OPTICAL PICK-UP BLOCK
(DA11MMVGP)
B
C
D
E
A
F
SP+
SP-
LD
MD
VREF
AUTOMATIC
POWER
CONTROL
Q201
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC301
CD-MP3 PROCESSOR
IC101
VO1+
2
VO1-
1
IN1 3
BIAS 23
SL+
SL-
VO2-
12
VO2+
11
IN2’ 9
T+
T-
VO3+
18
VO3-
17
IN3’ 20
F+
F-
VO4+
26
VO4-
27
IN4’ 24
MUTE 7
7 BIN
6 CIN
8 DIN
13 EIN
5 AIN
14 FIN
18 LDD
LDS
11 VREF
25 SPDO
19
24 SLDO
23 TDO
22 FDO
XOUT
XIN
X101
16.934MHz
S001
(LIMIT)
72
73
LIMIT-SW (CONT3) 32
LCHO
CD-L
76
RCHO
R-CH
78
CE 43
CL 44
O-CD-CE
17
O-CD-CL
18
DO 46
DI 45
I-CD-DI
19
O-CD-DO
20
O-CD-M-MUTE
23
O-CD-RESB
24
A
B
I-CDM-OPEN_CLOSE 7
AM/FM-DET, OSC, MIX, PLL, IF AMP
IC081
30 FM ANT
1 AM ANT
48
I-TU-DO
57
O-TU-CLK
55
O-TU-CE
56
O-TU-DI
39
I-TU-ANSD
X081
32.768kHz
16
CLK IN
20
DI
19
CL
18
CE
21
DO
13
SD OUT
3
CN082
ANTENNA
FM/AM
1
BAND-PASS
FILTER
FL081
S351
(CD LID OPEN/CLOSE DETECT)
L081
3 AM Vt
9
L-OUT
10
R-OUT
R-CH
TUNER-L
‡6,*1$/3$7+
: CD PLAY
‡5FKLVRPLWWHGGXHWRVDPHDV/FK
: TUNER (FM/AM)
SYSTEM CONTROLLER
IC301 (1/3)
47
RESB
(Page 15)
(Page 15)
HCD-EC709iP/EC909iP
HCD-EC709iP/EC909iP
15
15
5-2.  BLOCK  DIAGRAM - MAIN Section -
R-CH
PC IN
J491
4 TUNER-L
26
SDA
TA
25
SCLK
8
9
AUDIO-L
SEL-L
6 CD-L
O-AUDIO-DA
TA
33
O-AUDIO-CLK
34
O-SUBWOOFER-ON/NC
12
VOL-L
ELECTRICAL VOLUME,
INPUT SELECTOR
IC601
SYSTEM CONTROLLER
IC301 (2/3)
: TUNER (FM/AM)
: CD PLAY
: iPod & iPhone
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: PC IN
A
CD-L
B
TUNER-L
C
iPod-L
CN902
(iPod/iPhone CONNECTOR)
27
28
LINE AMP
IC602
R-CH
18
19
30
LINE-OUT-L
LINE-OUT-R
RXD
TXD
DGND
13
Acc PWR
20
Acc DET
10
Acc ID
2
19
OUT-L
OVER LOAD
DETECT
Q701 - 704
POWER
AMP
IC604
POWER
AMP
IC606
OVER LOAD
DETECT
Q805, 806
SUBWOOFER
BAND-PASS FILTER
Q803, 804
STANDBY
SWITCH
Q604
RY701
SPEAKERS
ONLY FOR
SS-EC709iP
+
+
R
L
TB701
R-CH
R-CH
R-CH
R-CH
R-CH
RY801
SUBWOOFER
ONLY FOR
SS-WG909iP
+
TB801
RELAY DRIVE
Q603
PROTECT
DETECT
Q605, 606
RELAY DRIVE
Q601, 602
FAN-CONT
PROTECT
O-POWER
6
O-SP-RELAY 2
INVERTER
IC603
BUFFER
IC605 (2/2)
INVERTER
IC605 (1/2)
D601
D705
45 I-iPod-DET
30 O-iPod-CP-RESET
49 I/O-iPhone-CP-DATA
50 I/O-iPhone-CP-CLK
22 I-iPod-ACCP
21 O-iPhone-DET-CTL
29 I-iPod-TXD
31 O-iPod-RXD
BUFFER
Q901
BUFFER
Q902
WAKE UP
Q310
12
I2C-SCL
13
I2C-SDA
EEPROM
IC901
4
RESET
(EC909iP)
+
(Page 14)
(Page 14)
(Page 16)
HCD-EC709iP/EC909iP
HCD-EC709iP/EC909iP
16
16
5-3.  BLOCK  DIAGRAM - PANEL, POWER SUPPLY Section -
SYSTEM CONTROLLER
IC301 (3/3)
M001
(FAN)
I-RST 54
3
O-POWER
FAN MOTOR
DRIVE
Q052 - 054
FAN PROTECT
DETECT
Q071 - 073
4
O-CD-ON
11
O-5V-ON
40
I-5V/9V-DET
MAIN POWER
ON/OFF CONTROL
Q104
AC
DETECT
Q101, 102
+9V
REGULATOR
IC611
+9V
VM7V
DC/DC
CONVERTER
IC151,
Q151 - 155
VBUS_5V
UNREG
+3.3V
REGULATOR
Q302, 303
VOLTAGE
DETECT
Q305, 308
+4V
REGULATOR
Q304, 306
D109
+9V
+9V
CD +3.3V
RESET
SWITCH
Q309
SYSTEM +3.3V
D308
D304, 305
D311
D003
D110
D106, 107
M
M
PROTECT
DETECT
Q103
RY001
PT001 (EC709iP: US, CND/EC909iP: US, CND)
PT002 (EC709iP: AUS/EC909iP: AUS)
SUB POWER
TRANSFORMER
PT004
MAIN POWER
TRANSFORMER
V-STBY
+B
-B
(AC IN)
RECT
D001, 002
RECT
D102 - 105
RECT
D101
I-P-MONI 36
‡ AEEUHYiDWiRQ
AUS : AXVWUDOiDQ PRGHO
CND : CDQDGiDQ PRGHO
X302
6MHz
X1
X0
92
93
X301
32.768kHz
X1A
X0A
14
13
I-RMC
9
REMOTE CONTROL
RECEIVER
IC302
LED DRIVE
Q301
D303
(LCD BACKLIGHT)
D902, 906
(iPRG INDICATOR)
O-LED
28
LCD301
LIQUID
CRYSTAL
DISPLAY
ROTARY
ENCODER
S304
VOLUME
S301 (EC909iP),
S302 (EC709iP),
S310 - 314,
S315 (EC909iP),
S320 - 324
(FRONT PANEL KEYS)
I-KEY1, I-KEY2,
I-KEY-WAKE-UP/VOL
37, 38, 41
COM0, COM1,
CMO2, CMO3
59 - 62
SEG0 - SEG32
63, 64, 67 - 89, 94 - 100, 1
C
FAN-CONT
PROTECT
O-POWER
I-HOLD 42
+9V
DETECT
Q051
D111
(EC909iP)
DRFk IRU iPRG
(Page 15)
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