Sony BDV-NF620 / BDV-NF720 / HBD-NF620 / HBD-NF720 Service Manual ▷ View online
HBD-NF620/NF720
HBD-NF620/NF720
37
37
5-3. BLOCK DIAGRAM - MAIN Section -
: AUDIO
: TUNER
5 Y1
Y0
10
A
AUDIO SELECT
IC5903
3
Y
R-CH
L
R
AUDIO
AUDIO IN
J5901
R-CH
ASEL0
69
CEC (TX/RX)
Q5901
(1/2)
SYSTEM CONTROLLER
IC6301 (1/2)
ST_SCL
46
ST_SDA
ST_RDS_INT
73
R-ch is omitted due to same as L-ch.
BD_RESET
CPU_XRST
BD_TEMP
1
TU1
TUNER2FMP-NS (Mexican, Taiwan)
TUNER2FMPR-NS (AEP, UK)
L-CH
R-CH
I2C_DATA
I2C_CLK
RDS
9
B
ASEL1
70
Q5901
(2/2)
R-CH
13 VinL
VinR
BCK
LRCK
SCKI
14
8
7
6
A/D CONVERTER
IC5904
BD DECODER
IC101 (3/3)
DOUT 9
D24 MCIN
A24 AOMCLK
B27 AOLRCK
A25 AOBCK
B27 AOLRCK
A25 AOBCK
45
89
81
SIGNAL PATH
OPTICAL
RECEIVER
IC5901
TV
OPTICAL
DIGITAL IN
AMP_D3
AMP_D1
AMP_MCKO
AMP_BCKO
AMP_LRCKO
ARC_SPDIF
CEC
B23 OPTICAL
C24 ARC
15
AOSDATA0 B24
AOSDATA2 A26
BUFFER
IC5905
RESET_
AF26
TH6301
LCDRD
AG28
VDATA
AG27
VCLK
AG26
GPIO17
D3
GPIO1
D1
GPIO15
C1
GPIO5
H2
OPWRSB
AH25
GPIO6
E3
GPIO7 F3
USB_VBUS_PCONT1
GPIO13 C3
USB_VBUS_PCONT2
PCONT_FL 25
PCONT_FL
PCONT2 37
PCONT2
PCONT3 38
PCONT3
PVDD_CONT
PVDD_CONT 47
PCONT1
PCONT1 36
FAN_CONT 2
FAN_CONT
FAN_ON 42
FAN_ON
IF_SDO 75
JIG_MODE1 82
IF_SDI 76
IF_SCK 77
XIF_CS
XIF_CS
UPG_STATUS
OPWRSB
BD_IF_START 19
BD_IF_REQ 23
78
85
83
83
PCONT3
8
CLK
9
STB
7
DIN
ND901
FLUORESCENT
INDICATOR
TUBE
GR1 - GR8
SG1 - SG16,
GR12
GR12
42 - 35
14 - 29, 31
3 FL_DOUT
5 FL_CLK
5 FL_CLK
68 FL_CS
FLUORESCENT INDICATOR
TUBE DRIVER
IC904
SIRCS2_IN
REMOTE
CONTROL
RECEIVER
IC951
4
SIRCS_IN
REMOTE
CONTROL
RECEIVER
IC903
1
T901
DC/DC CONVERTER
TRANSFORMER
D903, 904
RECT
VEE
OSC
Q902, 903
17
8
AC_CUT 18
RESET 10
RESET
SWITCH
Q6301
+5V
REGULATOR
IC905
UNSW +12V
VOLTAGE
DETECT
IC6303
DCDC +5V
OVER
VOLTAGE
DETECT
Q5301
\/1
S300
S901
(INITIALIZE SKIP)
KEY0
95
KEY_INT
PANEL +6V
17
TS_SDA
54
TS_SCL
55
LED_PWM3
20
TS_INT
16
TS_RST
21
LED_PWM1
26
LED_PWM2
24
PCONT_TS
22
TOUCH
BOARD
BOARD
X6301
8MHz
XOUT
XIN
11
13
LED DRIVE
Q6303
D330
(POWER INDICATOR)
>004B
ANTENNA
FM
COAXIAL
75
:
>002B
>001B
>005B
>003B
(NF720)
(Page 35)
(Page 39)
(Page 36)
(Page 35)
(Page 38)
Ver. 1.2
HBD-NF620/NF720
HBD-NF620/NF720
38
38
5-4. BLOCK DIAGRAM - AMP Section -
SYSTEM CONTROLLER
IC6301 (2/2)
: AUDIO
24 SDIN1
OVER LOAD
DETECT
Q3202
DC DETECT
Q3553
STREAM PROCESSOR
IC3001
11 MCLK
23 SCLK
22 LRCK
23 SCLK
22 LRCK
35
DC_DET
PROTECT
DETECT
Q3555
PROTECT
DETECT
Q3552
B+ SWITCH
Q3512, 3554
+32.5V
EN_POWER
SUBWOOFER
SPEAKERS
FRONT R
TB3452
+
FRONT L
D6308
AMP +3.3V
D +3.3V
POWER AMP
IC3102
39
40
PWM_M_2
PWM_P_1
IN1A
IN1B
29
30
48
65
40
DRIVER_SD/PVDD_DET
ST
A516_POWER
DRIVER_RST
(EN)
AMP_D1
AMP_MCKO
AMP_BCKO
AMP_LRCKO
AMP_MCKO
AMP_BCKO
AMP_LRCKO
SIGNAL PATH
27 SDIN4
OVER LOAD
DETECT
Q3101
+
+
27 xFAULT
AMP_D3
>004B
>006B
DAMP_SDA
33
DAMP_SCL
34
DAMP_XMUTE
52
DAMP_XPDN
50
DAMP_XRST
51
SDA
20
SCL
21
XMUTE
19
xPWRDN
25
XPDN
18
XRESET
16
ST
A516_TH_W
ARN
67
xTH_WARN
28
xTRISTATE
26
OUT2A 8, 9
OUT2B 2, 3
OUT1A 16, 17
OUT1B 10, 11
37
VALID
48
49
PWM_P_8
PWM_M_8
31 IN2A
32 IN2B
(Page 39)
(Page 37)
HBD-NF620/NF720
HBD-NF620/NF720
39
39
5-5. BLOCK DIAGRAM - POWER SUPPLY Section -
EN_POWER
SWR1
SWITCHING
REGULATOR
IC904 +3.3V
EN_POWER
PVDD_CONT
PVDD_CONT
USB_VBUS_PCONT1
USB_VBUS_PCONT2
USB_VBUS_PCONT2
PCONT_FL
PCONT3
FAN_ON
FAN_CONT
PCONT1
PCONT2
+32.5V
+32.5V
+3.3V
REGULATOR
IC902
FEUNSW12V
FE_SW +12V
B+ SWITCH
Q310, 311
MB +8V
DC/DC
CONVERTER
IC1151
AC1
(AC IN)
F5305
PANEL +6V
F1301
A+12V
UNSW12V
UNSW +12V
F5303
D +3.3V
UNSW6V
UNSW +6V
+3.3V
REGULATOR
IC5303
MB +1.5V
POWER
CONTROL
IC308
MB +1.2V
DC/DC
CONVERTER
IC301
FRONT USB +5V
DCDC +5V
DC/DC
CONVERTER
IC5301
DC/DC
CONVERTER
IC1801
M1
(FAN)
OVER
VOLTAGE
DETECT
Q305
VBUS
SWITCH
IC602
REAR USB +5V
VBUS
SWITCH
IC601
FE_SW +5V
B+ SWITCH
Q302, 312
WIRELESS LAN +5V
VBUS
SWITCH
IC603
A/D, MIC +5V
+5V
REGULATOR
IC5902
RX +3.3V
+3.3V
REGULATOR
IC700
MB +3.3V
DC/DC
CONVERTER
IC5302
SYS +3.3V
+3.3V
REGULATOR
IC6305
F5306
F5307
>005B
>006B
M
M
FAN CONROL
Q1801
(NF720)
FL_6V
(Page 38)
(Page 37)
HBD-NF620/NF720
HBD-NF620/NF720
40
40
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
• C : Panel designation.
• C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
AUDIO
J
: DISC PLAY
f :
TUNER
L :
USB
d :
LAN
G : WIRELESS LAN
E :
E :
VIDEO
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• Lead layouts
surface
CSP (Chip Size Package)
Lead layout of conventional IC
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• MB-149 board is multi-layer printed board. However, the
patterns of intermediate layers have not been included in
diagrams.
diagrams.
• Indication of transistor.
C
B
These are omitted.
E
Q
* Replacement of IC102, IC103, IC202 and IC203 on
the MB-149 board used in this set requires a special
tool.
tool.
• Abbreviation
MX
MX
: Mexican model
TW :
Taiwan
model
• The voltage and waveform of CSP (chip size package)
cannot be measured, because its lead layout is different
from that of conventional IC.
from that of conventional IC.
• Abbreviation
MX
MX
: Mexican model
TW :
Taiwan
model
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Circuit Boards Location
Note 2: When the MB-149 board is replaced, refer to “CHECK-
ING METHOD OF NETWORK OPERATION” on
servicing notes (page 9).
servicing notes (page 9).
* Replacement of IC102, IC103, IC202 and IC203 on
the MB-149 board used in this set requires a special
tool.
tool.
Note 1: When the NX_AMP board is replaced, spread the
compound referring to “NOTE OF REPLACING
THE IC3102 ON THE NX_AMP BOARD AND THE
COMPLETE NX_AMP BOARD” on servicing notes
(page 8)
THE IC3102 ON THE NX_AMP BOARD AND THE
COMPLETE NX_AMP BOARD” on servicing notes
(page 8)
Note 2: When the MB-149 board is replaced, refer to “CHECK-
ING METHOD OF NETWORK OPERATION” on
servicing notes (page 9).
servicing notes (page 9).
Note 1: When the NX_AMP board is replaced, spread the
compound referring to “NOTE OF REPLACING
THE IC3102 ON THE NX_AMP BOARD AND THE
COMPLETE NX_AMP BOARD” on servicing notes
(page 8)
THE IC3102 ON THE NX_AMP BOARD AND THE
COMPLETE NX_AMP BOARD” on servicing notes
(page 8)
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
MB-149 board
NX_AMP board
SIRCS board
wireless LAN card (WLC1)
(NF720)
(NF720)
USB board
FL board
TOUCH board
tuner (TU1)
LED board
PWR_KEY board
Ver. 1.2
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