Audio/Video Circuit Block Diagram - Hitachi DV-DS163E Service Manual

1 2
B-4 AUDIO/VIDEO Circuit Block Diagram
F
SW_FD(+)
SW_5.3VA
SW
BLOCK
E SW_12VG
D
-29VA
5.3VA
33VT
SMPS
BLOCK
C
1.8V
5.0VD
1.25V
DV IN
B
A
1 2
3
POWER_CTL_H
TIMER_H
STANBY_H
IC703
IC703
CV.IN2
MM1510
AMP
6dB Buffer
TU_V_OUT
TUNER
TUNER
PAL
PAL SECAM_A M
A_SEL
SIF
IC_OUT_L/R
FD(+)
FD(-)
AV4 IN
F_A_L/R_IN
12V
F_CVBS_IN
S-VIDEO IN
F_Y_IN
5.2V
AV DECODER
F_C_IN
AV3 IN
R_CVBS_IN
5VT
R_A_L/R_ IN
3.3V
2.5V
TPA+
TPA-
TPB+
BIO_LREQ
TPB-
BIO_PHY_CTL0
BIO_PHY_CTL1
BIO_LI NK_ON
BIO_PHY_CLK
IC1401
BIO_LPS
BIO_PHY_D[7:0]
/RST_PHY
1394_PD
3
4 5
IC701
IC705
IC705
I2C I/O
SYSTEM MICOM
24LC16B
EEPROM
EEPROM
A_MUTE_ L
Z_MUTE_L/R
IC801
DAC_A
IC707
L/R_OUT
IC707
SDA5650
VPS
VPS
TU_V_OUT
IC904
IC903 TU_L/R_OUT
Option
SW_A_OUT_L/R
IC901
SW_V_OUT
IC808
AUDIO DEC
CVBSout
R_OUT
G_OUT
B_OUT
IC1101
CVBS_OUT
ENC/DEC
Y_OUT
C_OUT
SPDIF_OUT
MAIN I/O
4 5
B - 4
6 7
RGB_SEL
I2C I/O
AUDIO MUTE AUDIO Mute
BLOCK
Block
MUTE_L/R
A_OUT_L/R
RCA_V_OUT
R_SCART_IN
G_SCART_IN
B_SCART_ IN
EU2_V_IN
EU2_A_IN_L/R
EU2_V_OUT
IC803 EU2_A_OUT_L/R
AV SWITCH
EU1_A_IN_L/R
EU1_V_IN
EU1_A_OUT_L/R
EU1_V_OUT
R_SCART_OUT
G_SCART_OUT
B_SCART_OUT
SW801
R(Pr)_OUT
Pr_RCA_OUT
IC802
G(Py)_OUT
IC802
BH7868FS Y_RCA_OUT
B(Pb)_OUT
VIDEO
VIDEO
Pb_RCA_OUT
BUFFER
Buffer
C_SEPA_OUT
Y_SEPA_OUT S-VIDEO OUT
OPTICAL
COAXIAL
6 7
8
F
E
D
C
B
A
8