Kenwood MR-H1 Entre Service Manual page 3

A
USB
INTERFACE
1
USB
BOARD
MNT2
MNT1
C6
1
C3
1
C5
47P
C4
68P
C1
150u
C2
1000P
2
R2 R1
560K 470K
5 4 3
3
USB SUBSYSTEM
BACK
PANEL
SL11H
USB
CONNECTORS
J26
1
VCC
2
DATA-
3
TOP
DATA+
4
GND
5
VCC
6
DATA-
7
DATA+
BOT
8
GND
EBI A(31)
4
EBI BUF OE
EBI WBE0
USB CS PAL
J34
1 +5V
2 GND
3 USB OC4
4 USB D4-
5 USB D4+
CLK 48MHz USB
HST BUS RST
USB 1MS
USB DIR
USB SEND
USB INT
5
EBI BUF D(0-7)
+5V
+3.3V
POWER &
RESET
6
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s).
To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably
insulated from the supply circuit) before the appliance is returned to the customer.
7
B
J1
VIDEO INPUT/OUTPUT
DUAL ZONE VIDEO
INPUT/OUTPUT
+3.3V
+12V
-12V
+
VESTA
2 1
CONFIG
J2
+3.3V
SPDIF INT
EBI D(0-7)
SYS RST
+3.3V
+12V
-12V
+5V
+3.3V
+5V
CLK 48MHz USB
CLK 20MHz PIC
CLK 11.2896MHz AUDIO
CLOCKS
DEBUG
HEADERS
+3.3V
+5V
MOUNTING HOLES,
FIDUCIALS,
SPARE GATES
+12V
+5V
-12V
MAIN RST
C
AV IBM ENCODER AV IBM ENCODER
COMP V COMP V
AV IBM ENCODER AV IBM ENCODER
COMP Y COMP Y
AV IBM ENCODER AV IBM ENCODER
COMP U COMP U
AV IBM AV IBM
ENCODER C ENCODER C
AV IBM AV IBM
ENCODER Y ENCODER Y
AV IBM AV IBM
ENCODER CVBS ENCODER CVBS
VDEO SWITCH VIDEO SWITCH
SEL A/B SEL A/B
VIDEO SWITCH OE VIDEO SWITCH OE
ZONEB VIDEO ZONEB VIDEO
SWITCH SEL A/B SWITCH SEL A/B
MUX3 BIT2 MUX3 BIT2
MUX3 BIT3 MUX3 BIT3
MUX3 BIT4 MUX3 BIT4
MUX3 BIT5 MUX3 BIT5
MUX3 BIT6 MUX3 BIT6
RW TDI RW TDI
RW TMS RW TMS
RW HALT RW HALT
IBM GPIO13 IBM GPIO13
RW TDO RW TDO
SP1 DTR
ST0 TXD
SP0 DTR
SP1 DSR
SERIAL
SP0 DSR
PORTS
SP1 RTS SP1 RTS
ST1 TXD ST1 TXD
SP0 RTS SP0 RTS
SP1 CTS SP1 CTS
SP1 RXD SP1 RXD
SP0 CTS SP0 CTS
SP0 RXD SP0 RXD
CLK 27MHz
CLK 27MHz SYSCLK
SYSCLK
CLK 54MHz ETHER
ETHER CS
ETHER INT
EBI D(0-15)
CLK SYS 54MHz
BFLASH CS
SYS RST
HPNA INT
EBI R/W
EBI OE
EBI READY
D
+3.3V
SDRAM
MEMORY
2 BANKS
IBM VESTA
BUFFER
EBI A(15)
EBI A(16)
EBI A(31)
CLK SYS 54MHz
BFLASH CS
EBI R/W
HPNA CS
EBI OE
EBI D(0-15)
TIDSP RST
ADC REG R
OE PAL
ADC REG L
OE PAL
V. 90 MODEM FLASH
SMARTSCM/56 MEMORY
E
EBI A(13-30)
EBI WBE0
EBI R/W
EBI OE
TIDSP RST