Sanyo DC-DV610KR Service Manual page 64

IC BLOCK DIAGRAM & DESCRIPTION
IC502 M51953BFP(RESET)
POWER
NC
SUPPLY
8 7
M51953BFP
1 2
NC NC
POWER
SUPPLY
7
R1
5 A
R2
1.25V
4
GND
IC642 BU9255FS(Flash Memory)
16 15 14
OSC
COUNTER
1 2 3
No. Pin Name
Description
1
GND GND TERMINAL
2
ECHO VR ECHO LEVEL DC CONTROL TERMINAL
3
BIAS ANALOG PART DC VIAS TERMINAL
4
DAINT IN DA SIDE INTEGRATOR INPUT TERMINAL
5 DAINT OUT DA SIDE INTEGRATOR OUTPUT TERMINAL
6 DALPF IN DA SIDE LPF INPUT TERMINAL
7 DALPF OUT DA SIDE LPF OUTPUT TERMINAL
8 MIX OUT ORIGINAL & ECHO SOUND MIXING OUTPUT
9 MIX IN MIXING AMP ORIGINAL SOUND INPUT TERMINAL
10 ADLPF IN AD SIDE LPF INPUT TERMINAL
11 ADLPF OUT AD SIDE LPF OUTPUT TERMINAL
12 ADINT OUT AD SIDE INTEGRATOR OUTPUT TERMINAL
13 ADINT IN AD SIDE INTEGRATOR INPUT TERMINAL
14 VCC Vcc TERMINAL
15 MUTE MUTE CONTROL TERMINAL
16 CR OSCILLATOR CR TERMINAL
OUTER
DELAY
OUT
CAPACITY
PUT
6 5
3 4
NC GND
OUTPUT
6
5
OUTER DELAY
CAPACITY
1 2 3 8 TERMINAL:NC
(CD)
13 12 11 10 9
A / D
SRAM
MIX
A / D
4 5 6 7 8
IN/OUTPUT
_
Hi I
_
Hi I
Lo O
Hi I
Lo O
Lo O
Hi I
Hi I
Lo O
Lo O
Hi I
_
Hi I
_
IC490 SI-8050JD(SWITING REGULATOR)
1
INTERNAL
POWER
OSC,
GENERATOR
5
S.S
IC492 SI-8090JD(Switing Regulator)
Vin 1
ON/OFF
ON/OFF
5 SOFT.
START
IC361,604,605 BU2090F(LED Driverr)
VOLTAGE
_
_
1/2 Vcc
2
DATA
1/2 Vcc
1/2 Vcc
3
CLOCK
1/2 Vcc
1/2 Vcc
1/2 Vcc
1/2 Vcc
1/2Vcc
1/2 Vcc
1/2 Vcc
4
1/2 Vcc
_
_
_
- 76 -
OVERCURRENT
PROTECTOR
RESET
LATCH
&
DRIVER
COMPA-
OVERHEAT
RATOR
PROTECTOR
ERROR
AMP
VOLTAGE
REFERENCE
3
GND
OVERCURRENT
PREG
PROTECTOR
LATCH
RESET
DRIVER
OSC,
GENERATOR
OVERHEAT
PROTECTOR
COMPARATOR
ERRORAMP
VOLTAGE
REFERENCE
3
GND
12 BIT SHIFT
RESISTOR
CONTROL
CURCUIT
LATCH
OUTPUT BUFFER (OPEN DLAIN)
5 6 7 8 9 11
10
2 SWOut
1 3 5
2
4
4 Vos 1. Vin
2. SWOut
3. GND
4. Vos
5. S.S
2
SW Out
&
4
Vos
VSS VDD
1
16
12 13 14 15