Sony HCD-FL7D Service Manual page 177

1-6. SCHEMATIC DIAGRAM – MB Board (5/7) –
(5/7)
CN204
17P
V5V
VGND
VMUTE
R_GND
R271 C218
0 0
CR/B BB1
B_GND
R270 C216
0 0
CB/R BB2
YGND
R269 C205
0 0
Y BB3
C_GND
R268 C202
0 0
C BB4
V_GND
R267 C201
0 0
V BB5
I/P-SW BB6
WIDE BB7
VIDEO.SW(NC)
VMUTE2
(Page 8)
VMUTE2
VMUTE
JL212
VGND
V5V
AUDIO_BUS
ZIVA_BUS
RXD
(Page 7)
TXD
NC GND
D5V
CN201
4P
R239
47k R242
0
Q201
DTC114TE
-TL EEPROM
INVERTER IC203
BR9040F
R/ B WC
VCC GND
CS DO
SK DI
R226
4.7k
C203 C243 C250 C256
0.01 0.01 0.01 0.01
R245
10k
A3V-2
DGND
D5V
D201
D3V
(Page 8)
+1.8V REGULATOR
IC210
µPC2918
FL205
C212
C213 C214
100
0.01 0.01
4V
R258
4.7k
R232 0
R250 0
R238
100
R253 R252
27M
4.7k 4.7k
I2C_SCL
I2C_SIO
R233
10k
R248
4.7k
SD7
SD6
SD5
SD4
C246
0.01
SD3
SD2
SD1
SD0
XSRQ_ZIVA
C255
0.01 XSAK
SDEF
XDCK
DRVIRQ
DRVCLK
DRVTX
DRVRX
DRVRDY
R247
4.7k
ALE
RST_SPC
MEDUSA_CS
C259
0.01
R240
0
R284
TRST
1k
TDI_SACD
TMS
TCK
SYS_RST R254 0
R285
SYS_RST
1k
C215
0.01
C261 0.01
HA3 R229 33
HA2 R230 33
1SS355
JIG_MOD
R231
33
FL204
BB5 BB4 BB3
R259 R257 C228
4.7k 4.7k 0.01
R272 R273 R274
0 0 0
R283
C225 C229 C230
180
0.1 0.01 0.01
R282
1k
R206
0
R260 4.7k
DVD SYSTEM PROCESSOR
IC206
ZIVA-5M-PA
R244 4.7k
R256 4.7k
C271 0.01
9 9
BB2 BB1
R275 R276
0 0
C231 C232 C233
0.01 0.01 0.01
C235 C236 C237
0.01 0.01 0.01
U
MD31
MD30
MD29
MD28
MDQM3
MD27
MD26
MD25
MD24
MD23
MD22
MD21
MD20
MDQM2
MD19
MD18
MD17
MD16
MD15
MD14
MD13
MD12
MDQM1
MD11
MD10
MD9
MD8
MD7
MD6
MD5
MD4
MDQM0
MD3
MD2
MD1
MD0
MCLK
R212 22
MWE
R227 R228
33 33
C270 0.01 C269 0.01 C268 0.01 C267 0.01 C266 0.01 C265 0.01 C264 10
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : DVD PLAY
∗ : Impossible to measure
HCD-FL7D
D2
D3
C240
0.01
C241
0.01
C260
0.01
C262
0.01
C247
0.01
C252
0.01
C251
0.01
(Page 10)
D4
D5
D6
D7
D8