Sony RM-VZ950T, Service Manual

Page: 27 / 35

RM-VZ950T
– 27 – – 28 –
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
61
27
63
64
65
58
44
8
9
10
40
41
42
6 39
16 5
18
5
60
31
66
70
6
76 – 80, 1 – 3
43 – 50
DB0 – DB7
19 – 25
52 – 57
36 – 39
69
30 32 37
26
11 – 17,
19 – 25, 51 – 57
C1 – C7,
C9 – C15, C17 – C23
S1 – S15,
S21 – S25, S41 – S50
1 – 8, 59 – 73,
79 – 83, 99, 100
D1
REMOTE CONTROL
SIGNAL RECEIVER
PDT
PCNT
JDT1
JDT2
JDT3
JST
REM
RS
RW
E
LRST
SDA
SCL
DB0 – DB7
FUNCTION
SW1
KDT1 – KDT7
KST1 – KST7
SYSTEM
CONTROLLER
IC1
BL1 – BL4
KEY MATRIX
S11 – 17, S21 – 23,
S25 – 27, S31 – 35,
S41 – 46, S52, S53,
S55 – 57, S62 – 65
05
Ref No.
S11
S12
S13
S14
S15
S16
S17
S21
S22
S23
S25
S26
S27
S31
S32
S33
S34
PANEL DESIGNATION
1
3
9
x (BLUE)
M B
PROGR –
a
6
2 –
OK
X
PROGR +
SET
/
2
8
x (YELLOW)
PANEL DESIGNATION
N v
t
5
0
x (GREEN)
x V
2 +
4
1 – -/--
MENU z
2
–
%
1
7
x (RED)
m b
Ref No.
S35
S41
S42
S43
S44
S45
S46
S52
S53
S55
S56
S57
S62
S63
S64
S65
LPOW
RESET
CE
VDET
X1 X2
X1
5MHz
B+ SWITCH
Q2
RESET SIGNAL
GENERATOR
IC7
DC/DC
CONVERTER
IC5
VOLTAGE
DETECT
IC6
SYSTEM CONTROLLER (IC1),
EEPROM (IC3), LED B+
LCD B+
LIQUID CRYSTAL DISPLAY
DRIVER (IC2) B+
DRY BATTERY
SIZE “AA”
(IEC DESIGNATION R6)
2PCS. 3V
D5 – 8
(LCD BACK LIGHT)
SDA
SCL
EEPROM
IC3
BUSY
FLAG
DATA
REGISTER
SEGMENT
DRIVER
BOOSTER
CIRCUIT
ADDRESS
COUNTER
RESET
CIRCUIT
IN/OUT
BUFFER
INSTRUCTION
REGISTER
& DECODER
CHARACTOR
GENERATOR
CIRCUIT
SHIFT
REGISTER
CIRCUIT
COMMON
DRIVER
PARALLEL/
SERIAL
CONVERTER
CIRCUIT
SHIFT
REGISTER
& LATCH
CIRCUIT
TIMING
GENERATOR
DISPLAY
DATA RAM
CURSOR BLINK
CONTROL CIRCUIT
RESET
E
R/W
RS
LIQUID CRYSTAL
DISPLAY DRIVER
IC2
–5V
REGULATOR
IC8
LCD B+
V5
V5OUT VCI
CMK1
LCD1
LIQUID
CRYSTAL
DISPLAY
LED DRIVE
Q1
D3, 4
REMOTE CONTROL
SIGNAL TRANSMITTER
BUFFER,
WAVEFORM
SHAPING
IC4