Sony MEX-DV1600U / MEX-DV1606U / MEX-DV160UE Service Manual ▷ View online
MEX-DV160UE/DV1600U/DV1606U
13
SECTION 4
ELECTRICAL CHECK
If any of the following parts was replaced, perform the “IOP
Check” as mentioned below.
Check” as mentioned below.
• Optical pick-up block (chassis (OP, ZA) complete assy)
• Complete SERVO board
• Complete SERVO board
Precaution
Use the following tools and measuring devices.
• DVD test disc TDV-540C (Part No. J-2501-235-A)
• CD test disc PATD-012 (Part No. 4-225-203-01)
• Digital
Use the following tools and measuring devices.
• DVD test disc TDV-540C (Part No. J-2501-235-A)
• CD test disc PATD-012 (Part No. 4-225-203-01)
• Digital
voltmeter
• Accessory remote commander RM-X168
IOP CHECK
Connection:
Connection:
SERVO board
TP51 (IOPDVD), TP47 (IOPCD)
TP63 (D3.3V)
+
–
–
digital voltmeter
Procedure:
1. Check the IOP value of DVD and CD by label on the optical
1. Check the IOP value of DVD and CD by label on the optical
pick-up.
DVD IOP value
CD IOP value
Optical Pick-up Label:
"
2. Connect a digital voltmeter to TP51 (IOPDVD) and TP63
(D3.3V) on the SERVO board.
3. Playback the DVD test disc (TDV-540C), and make a note of
the value of digital voltmeter.
4. Divide the measured voltage value by 1, and convert it into
current value.
5. Check that the calculated value is within ±6 mA to the IOP
value given on the label.
6. Connect a digital voltmeter to TP47 (IOPCD) and TP63
(D3.3V) on the SERVO board.
7. Playback the CD test disc (PATD-012), and make a note of the
value of digital voltmeter.
8. Divide the measured voltage value by 1, and convert it into
current value.
9. Check that the calculated value is within ±6 mA to the IOP
value given on the label.
SERVO SECTION
Check Location:
TP63
(D3.3V)
TP51
(IOPDVD)
TP47
(IOPCD)
– SERVO Board (Side B) –
MEX-DV160UE/DV1600U/DV1606U
14
MEMO
MEX-DV160UE/DV1600U/DV1606U
MEX-DV160UE/DV1600U/DV1606U
15
15
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM - SERVO Section -
DVD PROCESSOR
IC4
SD-RAM
IC10
OPTICAL PICK-UP BLOCK
(KHS-360A)
RF+
DQ0 – DQ15
BA0
20
D/A CONVERTER
IC6
VO1R
5
VO1F
6
VO2R
9
VO2F
8
VO4R
33
VO4F
32
VO5R
36
VO5F
35
U
26
V
27
W
30
HUP
17
HUN
18
HVP
19
HVN
20
HWP
21
HWN
22
HB
D+
D–
VBUS-USB
23
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC1
A0 – A11
X1
27MHz
RF–
A
B
C
D
D
E
F
VR (DVD)
VR (CD)
LIMIT SW
GSW
LD (DVD)
AUTOMATIC POWER
CONTROL (FOR DVD)
Q6
LD (CD)
VC
MSW
FCS+
FCS–
FCS–
TRK+
TRK–
TRK–
SLED A+
SLED A–
SLED A–
SLED B+
SLED B–
SLED B–
COIL U
COIL V
COIL W
HALL U+
HALL U–
HALL U–
HALL V+
HALL V–
HALL V–
HALL W+
HALL W–
HALL W–
HALL_BAIS–
AUTOMATIC POWER
CONTROL (FOR CD)
Q4
USB_VBUS
43
IN1
182 FOCUS_PWM
44
IN2
184 TRACK_PWM
46
IN4
188 STA
47
IN5
187 STB
48
INSP
186 SPDL_PWM
4
37
96
94
38
STBY
DRVSB
1
FG
195
DUPRD2 for MASTER
131 FG_IN
157 RFP
158 RFN
USBDP
USBDN
160 A
161 B
163 C
164 D
166 E
168 F
161 B
163 C
164 D
166 E
168 F
181 DVD_LD
180 CD_LD
179 DVD_MD
178 CD_MD
111 HOMESW
173 VC
CD_DVD#
106 OP_GAIN
RAMDAT0 – RAMDAT15
RAMADD0 – RAMADD11
61
RAMBA
BA1
21
60
RAMCS0#
CLK
38
70
PCLK
CS
19
62
RAMCS1
RAS
18
63
RAMRAS#
CAS
17
64
RAMCAS#
WE
16
67
RAMWE#
DQMH
39
68
RAMDQM
DQML
15
FLASH MEMORY
IC11
DQ0 – DQ15
WE
11
A0 – A19
MEMDAT0 – MEMDAT15
MEMADD0 – MEMADD19
22
MEMWR#
OE
28
MEMRD#
10
13
MEMCS1
A20
12
142
203
RESET#
RST
45 MSTR_TX
56 M_RESET
67 EJECT
68 LOAD
69 DR_ON
55 DSW
194
DUPTD2 for MASTER
46 MSTR_RX
192
SEN
57 M_CTS
193
REQ
48 M_RTS
LOADING
MOTOR DRIVE
IC102
REGULATOR
IC101
52 Z_MUTE
B/U B+
M1
(LOADING)
SW1
(CHUCKING END)
SW2
(SELF)
SW3
(DISC IN)
M
53 SELFSW
54 INSW
146
145
XI
XO
X2
12MHz
USBXI
USBXO
SYSTEM CONTROLLER
IC502 (1/3)
116
AOUT0
5 SCK
6 DATA1
114
AOUT1
11 DATA2
112
AOUT2
12 DATA3
7 BCK
8 LRCK
8 LRCK
118
AMCLK
ABCLK
ALRCLK
103
MD
4 MD
102
MC
3 MC
101
ML
2 MS
19 VMUTE_F
18 V_SEL
18 V_SEL
100
AMUTE
151
DAC3
EEPROM
IC13
108
CP_DATA_OUT
12
41
40
SI
107
CP_DATA_IN
13 SO
109
CP_CLK
4 RESET
27
VO1 FL
28
ZERO2
26
VO2 FR
R-CH
22
VO3 LS
19
VO6 SW
21
VO4 RS
R-CH
A/D CONVERTER
IC7
R-CH
VIDEO AMP
IC702
J703
4
1
VIN
2
VOUT
MUTE
VIDEO SELECTOR
IC701
5
4
VIN_3
1 VIN_1
7
VOUT
SW2
3
VSAG
A
FL
FL, SL, SW
SL
SW
B
AIN_L
C
A_MUTE
D
AUX_VIDEO
VIDEO
OUT
: AUDIO
: VIDEO
SIGNAL PATH
R-ch is omitted due to same as L-ch.
1
CN902
3
2
: USB
16
20
16
12
104
AIN
14
VINR
13
VINL
6 SCK
9 DOUT
8 BCK
7 LRCK
7 LRCK
99
98
98
(Page 16)
(Page 16)
(Page 16)
(Page 16)
MEX-DV160UE/DV1600U/DV1606U
MEX-DV160UE/DV1600U/DV1606U
16
16
R-CH
SDA
A/V_SEL
SCL
SDA
28
VSM
I2CSIO
SCL
27
I2CCLK
A/V_SEL
23
A/V_SEL
VSM
83
VSM
ZAPPIN
24
ZAPPIN
VOL_A
TT
21
VOL_A
TT
49
AT
T
R-CH
R-CH
5 CP1
1 A1
3 B1
4 B2
4 B2
SDA
11 EP1
30 INS
POWER AMP
IC801 (1/2)
12 IN_FL
FL+
J901
AUX
A
FL, SL, SW
D
AUX_VIDEO
B
AIN_L
FL–
31 INR1
33 INL1
SW
SL
FL
INPUT SELECTOR,
AUDIO PROCESSOR
IC301
OUTR1 38
OUTF1 36
IG1 28
OUTC 40
FL+ 5
FL– 3
23
SDA
SCL
22
SCL
ZAPPIN
SDA
SCL
MUTEB
21
VOL_A
TT
BEEP
16
DIAG
25
STB
22
SDA
2
SCL
4
MUTING
Q301
MUTING
Q303
MUTING
CONTROL
SWITCH
Q804, 805
AUDIO
VIDEO
VIDEO
SELECT
SWITCH
SWITCH
Q704, 705
MUTING
Q701
VIDEO SWITCH
Q706
R-CH
MUTING
Q305
R-CH
R-CH
R-CH, AUX_GND
D825
B/U B+
51
EXT
ATT_XEN
25
STB
35
DIAG
26
BEEP
D505
R-CH
5
7
CN801 (1/2)
1
9
FR+
FR–
4
12
R-CH
RL+
RL–
RL+ 9
RL– 7
2
10
RR+
RR–
3
11
R-CH
SYSTEM CONTROLLER
IC502 (2/3)
: AUDIO
: FM
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: AM
: AUX IN
C
A_MUTE
11 IN_RL
CN803 (2/2)
R-CH
10
8
1
3
CN803 (1/2)
R
AUX
AUDIO IN
L
15
16
X1
4MHz
XTAL2
XTAL1
8
LOUT
9
ROUT
SDA 19
SCL 18
RSSI 14
FM/AM PLL
IC1
L6
FMIN1
4
FMIN2
3
AMRFIN
1
AMSELIN2
29
AMSELIN1
28
AMSELOUT1
31
AMSELOUT2
32
MPXIN
12
MPXOUT
13
J1
(ANTENNA IN)
: VIDEO
MUTING
CONTROL
SWITCH
Q502
FRONT
AUDIO OUT
L
REAR/SUB
AUDIO OUT
R
L
R
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5-2. BLOCK DIAGRAM - AUDIO Section -
(Page 15)
(Page 15)
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