Harman Kardon DVD 31, Preliminary Service Manual

Page: 52 / 67

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
DVD31 EU BLOCK DIAGRAM
IN/OUT IR
SCART
YUV
CVSB
S-VIDEO
DOMNMIX
5.1CH OUT
OPTICAL
COAX
Digital
Digital
MPEG
AML3370
NJM4558
OPA2134
OPA2134
LM833
LM833
OPA2134
BH7862SF
LC75710NE CF745-04/P
MCU VFD_DRIVER
VFD
DISPLAY
IR KEYBOARD
AMP
AMP
AMP
AMP
AMP
AMP
FILTERS
BUFFERS
+ SDRAM
4*16Mbit
FLASH
16Mbit LOADER
DV34
DSP(PV1)
MN103S47
DRIVER
AN8785SB
FLASH
2Mbit
POWER SUPPLY
STANDBY POWER <2.0W
STANDBY
ON
OFF
ON
OFF
I2C
ATAPI
REMOTE OUT
G
B
R
CVBS
Y
U
V
CVBS
Y
C
WM8740
WM8740
AUDIO_ADC
AUDIO_ADC
WM8740
I2S
74HC14
SPDIF
FRONT-R1
SUB-AUDI0
SURL-AUDIO
FRONT/R
FRONT/L
HDCD_GAIN
FRONT/R_SCART
PY
PB
PR
Y
C
AUDIO_ADC
STANDBY
KEY
REMOTE
LED LED
FRONT-L1
CEN-AUDIO
SURR-AUDIO
EEPROM
24C64
I2C
FRONT/L_SCART
J702
J703
2J1
2J2
J502
J601
J501
J503
U404
U602
U604
U504
U505
U503
U502
U703
U601
U606
U501
U401
U301
U302
U403
U201
U202
U101
6dB control
MIX_OUT CVBS
STANDBY IS LOW
AT27C020
Mcu_Ctr
l
Mt_ctr
l
3U1 3U4
3U2 3U5
back_LED
REMOTE IN
External IR IN
External IR OUT
REMOTE
CTRL_LED
PT28C020
AMD29LV160DB
MBM29LV160BE
1197
3.1.4A
DVD31 EU BLOCK DIAGRAM
Custom
1 14 Monday, October 25, 2004
Title
Size Document Number Rev
Date: Sheet of
Harman Kardon, Northridge, California 91329, USA
DVD31 harman/kardon
52