Sony BVM-D14H1E Maintenance Manual page 133

CXA1211M (IC400, 401)
Vcc IN 2 CONT 2 OUT 2
8 7 6 5
VCA 2
VCA 1
2
1 3 4
IN 1 CONT 1 OUT 1 GND
CXA1521M (IC306, 307, 308)
IN 1 REGULATOR 8 Vcc
GND 2 7 DC CONT
GCA
GAIN
3 6 GND
CONT
GAIN-CONT
4 5 OUT
V EE
DC-CONT
CXA1739S (IC1401)
R-Y 1 48 HUE
HUE & COLOR
b-Y 2 CLAMP 47 COLOR
PROCESS
Y 3 46 PIC
GND 1 4 45 GAMMA
SH OUT 5 44 R DRIVE
SHP MATRIX
AMP AXIS SW
SH CONT 6 43 V CC
BRIGHT 7 42 R V
CC
SH IN 8 41 R OUT
AXIS 9 40 R GND
R IN 10 39 R S/H
G IN 11 CLAMP 38 R C/O
VIDEO
12
B IN SW 37 G V CC
OSD R 13 36 G OUT
OSD G 14 35 G GND
OSD B 15 34 G S/H
YS 16 33 G C/O
PIC
SHP
AMP
AUTOMATIC
YM 17 32 G DRIVE
CUTOFF
CONTROL
VP 18 31 B V
CC
PROCESS
GND 2 19 30 B OUT
PULSE
GENERATOR
HP 20 29 B GND
GAMMA
CONTROL
MUTE 21 28 B S/H
V BLK 22 27 B C/O
CLP 2 23 26 B DRIVE
CLP 1 24 25 IK
BVM-D14H1U/D14H5U/D14H1E/D14H5E/D14H1A/D14H5A
A B
M24C02-MN6T (IC3404)
VCC
8
3
E0 1
E1
2 7 SDA
E2 3
2 k BIT
SCL 6 EEPROM
WC 5
4
VSS
M62399FP-TE2 (IC4351, 4352)
CS0 CS1 CS2 VDD VCC A04 A03 A02
19 18
20 17 16 15 14 13
CHIP SELECT
8BIT 8BIT 8BIT
UPPER DIGITS UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R SEGMENT R-2R
8BIT LATCH 8BIT LATCH 8BIT LATCH
8BIT LATCH 8BIT LATCH 8BIT LATCH
8BIT 8BIT 8BIT
UPPER DIGITS UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R SEGMENT R-2R
1 2 3 8 4 5 6
R SCL SDA VREFL A05 A06 A07
MC74HC4538AFEL (IC1400)
VDD 2-C 2-CR 2-RD 2-CK 2-CR 2-Q 2-Q
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
1-C 1-CR 1-RD 1-CK 1-CK 1-Q 1-Q GND
TC7W74FU (IC2383)
8 7 6 5
S R Q
C D Q
1 2 3 4
11-11
C D
B B
B BOARD WAVEFORMS
1
0.90Vp-p (H)
5
0.55Vp-p (H)
9
A01 VREFU2
12 11
0.82Vp-p (H)
!£
8BIT
UPPER DIGITS
SEGMENT R-2R
1.5Vp-p (H)
8BIT LATCH
!¶
8BIT LATCH
8BIT
UPPER DIGITS
SEGMENT R-2R
4.2Vp-p (V)
@¡
7 10 9
A08 GND VREFU1
4.0Vp-p (H)
@∞
0.90Vp-p (H)
@ª
1.1Vp-p (H)
#£
0.65Vp-p (H)
#¶
2.1Vp-p (H)
11-11
E
2 3
0.60Vp-p (H) 0.60Vp-p (H)
6 7
0.55Vp-p (H) 0.55Vp-p (H)
0 !¡
0.85Vp-p (H) 1.3Vp-p (H)
!¢ !∞
5.0Vp-p (H) 1.6Vp-p (H)
!• !ª
4.0Vp-p (H) 1.8Vp-p (H)
@™ @£
4.2Vp-p (V) 0.80Vp-p (H)
@§ @¶
0.50Vp-p (H) 0.80Vp-p (H)
#º #¡
0.5Vp-p (H) 0.5Vp-p (H)
#¢ #∞
0.70Vp-p (H) 2.4Vp-p (H)
#• #ª
4Vp-p (H) 3.4Vp-p (H)
F G
1
4
0.90Vp-p (H)
8
0.90Vp-p (H)
!™
2
1.5Vp-p (H)
!§
1.4Vp-p (H)
@º
3
4.0Vp-p (V)
@¢
0.80Vp-p (H)
@•
0.50Vp-p (H)
#™
4
1.4Vp-p (H)
#§
2.2Vp-p (H)
$º
5
3.0Vp-p (H)
H