Sony KP-FX43M31 Service Manual page 91

• B4(1/6) BOARD IC503 : NJM2391DL1-33(TE1)
1 IN
REFERENCE
VOLTAGE 3 OUT
THEMAL
SHORT CIRCUIT
OVERLOAD
CURRENT LIMIT
PROTECTION
2 GND
• B4(1/6) BOARD IC504 : TLC2933IPWR
LOGIC V DD 1 14 VCO V DD
TEST 2 13 RBIAS
RING BIAS
VCO OUT 3 12 CONT VOL
OSC CONTROL
FIN-A 4 11 VCO GND
CHARGE
PFD
FIN-B 5 10 VCO INH
PUMP
PFD OUT 6 9 PFD INH
LOGIC GND 7 8 NC
• B4(2/6) BOARD IC605 : PQ070XZ01ZP
V 1 3 V
IN O
SPECIFIC IC
V 2 4 V
C ADJ
5
GND
• B4(3/6) BOARD IC803, 903 : PST9143NL
5 V
CC
+ 4 OUT
_ _
+
3 GND
• B4(4/6) BOARD IC901 : CXD2309
1
(LSB) R0
4LSB'S
CURRENT
2
R1
CELLS
R2 3
R3 4
5
R4
6LSB'S
LATCHES
CURRENT
R5 6 DECODER
CELLS
7
R6
8
R7
9 DECODER
R8
CLOCK
GENERATOR
(MSB) R9 10
RCK 31
(LSB) G0 11
4LSB'S
12 CURRENT
G1
CELLS
G2 13
G3 14
G4 15
6LSB'S
LATCHES
CURRENT
G5 16 DECODER
CELLS
G6 17
G7 18
G8 19 DECODER
CLOCK
GENERATOR
(MSB) G9 20
GCK 32
21
(LSB) B0
4LSB'S
22 CURRENT
B1
CELLS
23
B2
24
B3
25
B4
6LSB'S
LATCHES
CURRENT
26
B5 DECODER
CELLS
B6 27
28
B7
B8 29 DECODER
CLOCK
GENERATOR
(MSB) B9 30
33
BCK
DV 48
DD BIAS VOLTAGE CURRENT CELLS
GENERATOR (FOR FULL SCALE)
35
VB
DV 34
SS
• B4(4/6) BOARD IC903 : MC24C32-WMN6T(A)
VCC
8
3
E0
1
SDA
E1 7
|
E2 3
32 k BIT
6 EEPROM
SCL
5
WC
4
VSS
– 121 –
•B4(1/6)BOARD WAVEFORMS
43 AV
SS
42 RO
1 2 3
NTSC
3.3V (H) 3.3V (V) 0.5V
P-P P-P
5 6 6
NTSC SECAM
PAL 0.6VP-P(H)
1.0V (H) 1.0V
NTSC/SECAM 0.4VP-P(H) P-P
45
AV SS 9 0
44 GO
4.5V (H) 5.0V (H)
P-P P-P
•B4(3/6)BOARD WAVEFORM
1
2.5V
P-P
47 AV
SS
(18.543956MHz)
46
BO
41 AV
DD •B4(4/6)BOARD WAVEFORMS
40
AV DD
1 2 2
39 AV NTSC
DD
PAL 0.7VP-P(H)
NTSC/SECAM 0.5VP-P(H) 0.9V (H)
P-P
38
VG
37
VREF
36 IREF
•B4(5/6)BOARD WAVEFORMS
1
1 1
NTSC SECAM
0.9V (H) 0.9V (H) 1.1V
P-P P-P
5
4.5V (H)
P-P
– 122 –
KP-FX43M31/M61/M91, FX53M31/M61/M91
3 3 4
SECAM PAL
PAL 0.6VP-P(H)
(H) 0.5V (H) 0.7V (H)
P-P P-P P-P NTSC/SECAM 0.4VP-P(H)
6 7 8
PAL
PAL 1.2VP-P(H)
PAL 1.2VP-P(H)
(H) 1.3V (H)
P-P P-P NTSC/SECAM 0.9VP-P(H)
NTSC/SECAM 0.9VP-P(H)
2 3 4
SECAM PAL
PAL 0.7VP-P(H)
1.4V
0.9V (H) 1.1V (H) NTSC/SECAM 0.5VP-P(H)
P-P P-P
2 3 4
PAL
PAL 0.7VP-P(H) PAL 0.7VP-P(H)
(H)
P-P NTSC/SECAM 0.5VP-P(H) NTSC/SECAM 0.5VP-P(H)
RM-998
(20MHz)
P-P
5.1V (v)
P-P