Dmb03 Board - Sony HCD-RV990D Service Manual

HCD-RV660D/RV990D
IC204 BR9040F-WE2 (DMB03 Board)
R/B
1
VCC 2
INSTRUCTION DECODE
CS 3
CONTROL AND CLOCK
GENERATOR
SK 4
INSTRUCTION
REGISTER
IC802 NJM2244M-TE2 (VIDEO Board)
VIN1 1
SW1 2
VIN2 3 BIAS
SW2 4
IC502 M65850P (JACK Board)
14 13 12
OSCILLATOR
1/2 VCC
CLOCK
AUTO
MAIN
RESET
RESET
CONTROL
D1 DO0
A/D
LPF1
2 3
1 4
54
DETECT
SUPPLY
VOLTAGE
HIGH
WRITE
VOLTAGE
DISABLE
GENERATOR
ADDRESS
ADDRESS
8bit
DECODER
BUFFER 8bit
R/W
DATA
16bit
AMPS
REGISTER
16bit
8 GND
MUTE1
7 VOUT
75Ω
DRIVER
6 V +
YC MIX 5
5 VIN3 (MUTE)
GND1
GND1 10
11 10 9 8
MUTE2 15
D/A LPF2
DO1
MO
20KBIT
GND2 17
SRAM
MI
5 6 7
8 WC
7
GND
4,096bit
EEPROM
6
DO
5
DI
IC801 MM1568AJBE (VIDEO Board)
VCC1
1
BIAS
4dB LPF
CIN 2
3
CLAMP
LPF
VIN 4 4dB
CLAMP
LPF
YIN 6 4dB
BIAS 7 BIAS
8
NC 9
NC 11
CYIN 12 4dB
CLP 13
CLAMP BIAS
CbIN 14 4dB
BIAS
CrIN 16 4dB
BIAS
IC252 TC7WH157FK (TE85R)

(DMB03 Board)

8
11 7
11 6
EN G
A 1 5
A Y
2
B B Y
Y 3
GND 4
75Ω
2dB
DRIVER
+ 75Ω
2dB
DRIVER
75Ω
2dB
DRIVER
LPF
75Ω
2dB
DRIVER
LPF
75Ω
2dB
DRIVER
LPF
75Ω
2dB
DRIVER
VCC
ST
SELECT
Y
VCC2
34
33 COUT
32 GND2
31 VOUT
30 VSAG
29 GND2
28 YOUT
27 YSAG
26 GND2
CYOUT
25
24 CYSAG
23
GND2
22 CbOUT
21 CbSAG
20 GND2
19 CrOUT
18 CrSAG