Sony HCD-MD555, Service Manual

Page: 84 / 124

— 110 —
— PANEL Section —
IC701, 702 M66004M8FP
INDICATION
CODE
RESISTOR
(8BIT x 16)
DECODER
(35BIT x 16)
DECODER
(35BIT x 16)
CODE/COMMAND
CONTROL
CIRCUIT
INDICATION
CONTROL
RESISTOR
INDICATION
CONTROLLER
DIGITAL
OUTPUT
CIRCUIT
CODE
WRITE
SERIAL
RECEIVE
CIRCUIT
OUTPUT
PORT
(2BIT)
CLOCK
GENERATOR
CIRCUIT
RAM WRITE
CODE SELECT
DIG12
|
DIG15
V
CC
2
SEG0
|
SEG26
V
SS
XIN
XOUT
V
CC
1
RES
DIG11
|
DIG0
CS
CLK
DATA
SEG35
|
SEG27
P1
P0
14
15
16
17
18
19
20
21
22
23
|
31
13
1
|
12
SEGMENT OUTPUT CIRCUIT
59
|
33
60
32
VP
64
|
61
— RDS Section —
IC601 M34225M1-294FP
D8 NC F0/SRDY F1/CLK F2/SOUT F3/SIN NC NC XOUT XIN CNTR VDD
RESET
INT
A
VSS
VREF
K0 K1
A
VDD
NC
S0 S1 S2 S3
NC NC
D0 D1
CNVSS
VSS
D6 D7 D4 D5 D3 D2
36
35 34 33
32 31 30 29 28 27 26 25 24 23 22 21 20 19
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CLOCK
GEN
CONTROL
SIGNAL
CARRY
CARRY
ALU
REGISTER C(2)
REGISTER HA(4)
REGISTER LA(4)
ADF (1)
A-D CONV.
MPX
INTE (1)
EXF (1)
4
9
4 2
PORT S (4)
4 4 4
4
4 4 4
3 4 7
10 6 10 9
9
7
3 2 8 8 4
8
4
PORT D (9)
MULTIPLEXER
PORT F (4)
REGISTER H (4)
REGISTER L (4)
REGISTER J (4)
SERIAL I/O
SIOF (1)
REGISTER V (4)
REGISTER W (2)
REGISTER Q (4)
TIMER 1 (9)
REGISTER R (8)
TIMER 2 (8)
REGISTER N (8)
TIMER 3 (8)
REGISTER U (8)
TIMER 4 (8)
1 F (1)
2 F (1)
3 F (1)
REGISTER D (3)
REGISTER E (8)
REGISTER A (4)
REGISTER B (4)
PROGRAM COUNTER PC
PCH (3) PCL (7)
STACK REGISTER SK0 (10)
STACK REGISTER SK1 (10)
STACK REGISTER SK2 (10)
STACK REGISTER SK3 (10)
ADDR DATA
ROM
1024WORD x 9BIT
ADDR DATA
RAM
64WORD x 4BIT
CONTROL DATA POINTER DP
Z (1) X (2) Y (4) CARRY CY (1)
STACK REGISTER
SDP (8)