Sony TRINITRON BVM-D9H1U Maintenance Manual page 139

M62399FP-TE2 (IC4351, 4352)
CS0 CS1 CS2 VDD VCC A04 A03 A02
20 19 18 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
BVM-D9H1U/D9H5U/D9H1E/D9H5E/D9H1A/D9H5A
A B
A01 VREFU2
12 11
8BIT
UPPER DIGITS
SEGMENT R-2R
8BIT LATCH
8BIT LATCH
8BIT
UPPER DIGITS
SEGMENT R-2R
7 10 9
A08 GND VREFU1
TDA6111Q (IC2345, 2355, 2365)
200V VOF
6 9
7V
MIRROR MIRROR
FOLLOWERS
V 7 VF
FOLLOWERS
8 VO
–
VI 3
DIFFERENTIAL
STAGE
+
VB 1
5 IK
CURRENT
MIRROR MIRROR
SOURCE
4 2
GND Vcc
Z8622812PSC (IC3403)
14 15
VDD VDD
(DIGITAL) (ANALOG)
DATA MOD NRESET
DATA SLICER SLICED DATA DATA RECOVERY 2
XFR BUF
DCLK
11 CLAMP
DATA CLK
RECOVERY
SLICE LEVEL DISPLAY
12 SYNC SLICER
RAM
COMMAND
TIMING LOGIC
PROCESSOR
COMP SYNC
CHAR
AND
ROW
LOCK VERTICAL CTR
AND CONTROL DECODER
CONTROL
R
5
G
HORIZONTAL 6
COUNTER OUTPUT B
7
LOGIC
LUM
4
DOT CLK
BOX
3
PHOSE/
LOOP
FREQ VCO
FILTER
DET
LOOP VSS VSS
16 1 17 18
PFD
FIL (DIGITAL) (ANALOG)
8 13 9 10
C D
B B
B BOARD WAVEFORMS
1 2
1.1Vp-p (H) 0.6Vp-p (H)
6 7
0.50Vp-p (H) 0.52Vp-p (H)
!¡ !™
1.5Vp-p (H) 1.5Vp-p (H)
!§ !¶
4.6Vp-p (H) 4.2Vp-p (V)
@¡ @™
0.55Vp-p (V) 0.90Vp-p (H)
@§ @¶
0.38Vp-p (H) 0.96Vp-p (V)
#¡ #™
0.65Vp-p (H) 0.63Vp-p (H)
#§ #¶
1.9Vp-p (H) 1.9Vp-p (H)
$¡ $™
2.4Vp-p (H) 1.8Vp-p (H)
$§ $¶
32Vp-p (H) 2.5Vp-p (H)
11-11 11-11
E
3 4 5
0.6Vp-p (H) 4.8Vp-p (H) 0.98Vp-p (H)
8 9 0
0.90Vp-p (H) 0.80Vp-p (H) 0.80Vp-p (H)
!£ !¢ !∞
1.6Vp-p (H) 4.8Vp-p (H) 4.6Vp-p (H)
!• !ª @º
4.2Vp-p (H) 4.2Vp-p (H) 4.2Vp-p (H)
@£ @¢ @∞
0.80Vp-p (H) 0.38Vp-p (V) 0.79Vp-p (H)
@• @ª #º
0.51Vp-p (H) 0.51Vp-p (H) 1.2Vp-p (H)
#£ #¢ #∞
4.8Vp-p (H) 3.4Vp-p (V) 2.6Vp-p (H)
#• #ª $º
2.4Vp-p (H) 1.7Vp-p (H)
1.8Vp-p (H)
$£ $¢ $∞
1.7Vp-p (H) 50Vp-p (H) 33Vp-p (H)
$• $ª
1.8Vp-p (H) 1.9Vp-p (H)
F G
1
2
3
4
5
H