Sony TRINITRON BVM-14G1A Operation And Maintenance Manual page 197

BC Board Waveforms
1 2 3
6.5Vp-p (20MHz) 6.4Vp-p (4.9152MHz) 7.3Vp-p (14.1875MHz)
4 5 6
11.6Vp-p (14.32MHz) 7.5Vp-p (14.53MHz) 5.1Vp-p (H)
7 8 9
5Vp-p (H) 5Vp-p (V) 5Vp-p (V)
!º
7.4Vp-p (10MHz)
BC
BC Board IC Block Diagrams
CAT28F020P-15 (IC3)
V PP 1 32 VCC
A16 2 31 WE
DELETE
A15 3 30 A17
VOLTAGE SWITCH
4 29
A12 VOLTAGE A14
SW
A7 5 28 A13
262, 144BIT
A6 6 27 A8
X-DECODER
MEMORY ARRAY
ADDRESS
A5 7 26 A9
LATCH
Y-DECODER Y GATE
A4 8 25 A11
A3 9 24 OE
COMMAND PROGRAM VOLTAGE CE, OE DATA SENSE
A2 10 23 A10
REGISTER SWITCH LOGIC LATCH AMP
A1 11 22 CE
A0 D7
12 21
D0 13 20 D6
D1 14 19 D5
D2 15 18 D4
IN/OUT BUFFER
16 17
GND D3
CXD1030M (IC120)
FSCI 24 1/4
26 SC
FSCO 25
1/5 1/227 PHASE
20 COMP
COMPARATOR
18 PSEL
CLKI 10 1/4
SUB-CARRIER 15 SCOF
CONTROL
CLKO 11
1/526
1/7
1/65
or 6 or 625
H V TEST
DECODER DECODER GENERATOR 27 TEST
21
AIN
V
AOUT 22
CONTROL
RESET
OUTPUT CONTROL
GENERATOR
13 12 5 4 3 2 1 16 17 8 7 6 9
CXD1095BQ (IC5, 6)
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
CONTROL
PX2 52 32 D2
8
8 8
PX3 53 LATCH 31 D1
8
PA0 54 30 D0
8 8
PA1 55 LATCH 29 PD7
8
PA2 56 28 PD6
8 8
GND 57 LATCH 27 PD5
8
V 58 26 V
DD DD
8 8
PA3 59 LATCH 25 GND
8
PA4 60 24 PD4
8 8
PA5 61 LATCH 23 PD3
8
PA6 62 22 PD2
PA7 63 21 PD1
DATA
20 PD0
PB0 64
SELECT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
11-35
BC
CXD1171M (IC109)
D0 1 24 DV
DD
D1 2 23 DV
DD
D2 3 DECODER 22 AV
DD
LATCHS
D3 4 21 IO
D4 5 20 IO
D5 6 DECODER 19 AV
DD
6MSB'S 2LSB'S
D6 AV
7 CURRENT CURRENT 18 DD
CELLS CELLS
D7 8 17 VG
BLK 9 16 VREF
D GND 10 15 IREF
CURRENT
VB 11 14 A GND
CELLS
CLOCK
CK 12 (FOR FULL SCALE) 13 B GND
GENERATOR
CXD2343S (IC105)
ENT 1 28 V DD
ENT
EMP 2
EMP 27 C0
3 Q0' Q0
D0 D0 26
D1 4 D1 Q1' 25 Q1
5 24
D2 D2 Q2' Q2
6 23
D3 D3 Q3' Q3
7 22
D4 D4 Q4' Q4
8 21
D5 D5 Q5' Q5
D6 9 D6 Q6' 20 Q6
D7 10 D7 Q7' 19 Q7
D8 11 D8 Q8' 18 Q8
D9 12 D9 Q9' 17 Q9
LD 13 LD 16 OE
GND 14 15
CK
HD6475368CP (IC1)
10 9 8 7 6 5 4 3 15 14 13 12 11 37 31 30 29 28 27 26 25
PORT PORT PORT
EXTAL 84
CLOCK
OSCILLATOR
XTAL 1 40 A7
A6
39
38 A5
RES 21 37 A4
STBY 20 WAIT 36 A3
RAM PROM/MASK ROM
STATE
17 35 A2
MD0 2k BYTE 62k BYTE (H 8/536)
CONTROLLER
18 34 A1
MD1
A0
MD2 19 33
WEDGE IN
CONTROLLER
CPU
DATA
TRANSFER
50 A15
CONTROLLER
49 A14
NMI 22 48 A13
47 A12
SERIAL BIT TIMER
46 A11
COMMUNICATION
V 16 45 A10
CC INTERFACE
V 55 (X 2-CH) 44 A9
CC
V SS 2 43 A8
V 24 16 BIT FREE-RUN
SS
TIMER
V 41 PWM TIMER
SS
(X 3-CH)
V 42 (X 3-CH)
SS
V 64
SS
V 83
SS
54 PW3/IRQ5/A19
10-BIT
WATCH DOG TIMER 53 PW2/IRQ4/A18
A/D CONVERTER
AV 74
CC (X 8-CH)
52 PW1/IRQ3/A17
AV 65
SS
51 IRQ2/A16
PORT PORT PORT
82 81 80 79 78 77 76 75 73 72 71 70 69 68 67 66 63 62 61 60 59 58 57 56
11-35
LTC485CS8 (IC25, 26)
RO 1 R 8 V CC
RE 2 7 B
DE 3 6 A
DI 4 D 5 GND
MAX202CSE (IC27, 28, 36)
C1+ 1 16 Vcc
V+ 2 15 GND
C1- 3 14 T1OUT
C2+ 4 13 R1IN
C2- 5 12 R1OUT
V- 6 11 T1IN
T2OUT 7 10 T2IN
R2IN 8 9 R2OUT
MC74HC4053F (IC63, 111, 116, 119)
X1 1 16 VDD
X0 2 15 XC
OPEN
Y1 3 14 ZC
YC 4 13 Z1
Y0 5 12 Z0
OPEN
6 11
EN AZ
VEE 7 10 AX
GND 8 9 AY
OPEN
MM1026BFB (IC2)
GND 1 8 V
CC
3.3V VOLTAGE
RESET DETECT CIRCUIT
2 7 NC
CS 3 4.2V VOLTAGE 6 V
DETECT CIRCUIT
V 4 5 CS
BATT
TC74HC151AF (IC19-21)
D3 1 16 V
CC
D2 2 D2 D3 D4 15 D4
D1 3 D1 D5 14 D5
D0 4 D0 D6 13 D6
Y 5 Y D7 12 D7
XY 6 W A 11 A
OE 7 S C B 10 B
GND 8 9 C
TC74VHC138F (IC10, 13)
Vcc Y0 Y1 Y2 Y3 Y4 Y5 T6
16 15 14 13 12 11 10 9
Y0 Y1 Y2 Y3 Y4 Y5
A Y6
B G2A G1
C G2B Y7
1 2 3 4 5 6 7 8
A B C G2A G2B G1 Y7 GND