Read Sony KP-FX43M31 / KP-FX43M61 / KP-FX43M91 / KP-FX53M31 / KP-FX53M61 / KP-FX53M91 Service Manual online
KP-FX43M31/M61/M91, FX53M31/M61/M91
RM-998
– 165 –
– 166 –
• J(4/5) BOARD IC8870 : M52055FP
16
L
H
15
14
13
12
11
10
9
H
L
8
7
6
5
4
3
2
1
L
H
INPUT 1A GND1 INPUT 2B
VCC
CONTROL
INPUT 2 INPUT 2A
INPUT 3B
GND3
INPUT 1B
CONTROL
INPUT1
OUTPUT1 GND2 OUTPUT2 OUTPUT3
CONTROL
INPUT3
INPUT3A
• J(5/5) BOARD IC2005 : PQ3DZ53
V
3
O
SPECIFIC IC
C
2 V
1
5
GND
IN
V
• J(5/5) BOARD IC2001 : UPC2925T-E1
ST
AR
TUP
CIRCUIT
REFERENCE VOL
T
AGE
CIRCUIT
THERMAL
SHUT
DOWN
ERROR
AMP.
DRIVE CIRCUIT
OVERCURRENT
PROTECTION
SAFE OPERATION
AREA PROTECTION
SA
TURA
TION PROTECTION
INPUT
1
3 OUTPUT
2 GND
• J(4/5) BOARD IC8871 : SN74LV4053ANSR
1
2
3
4
5
6
7
1Y0
1Y1
1Y2
1Y3
1G
1A
1B
SELECT
INPUTS
INPUTS
SELECT
2B
2A
2G
2Y3
2Y2
2Y1
2Y0
9
10
11
12
13
14
15
DATA
OUTPUTS
OUTPUTS
• J(3/5) BOARD IC8801, 8802 : NJM2521M
1
2
3
4
5
8
7
6
58kHz
58kHz
58kHz
BUFFER
GND
V
OUT
V
+
V
IN3
SW2
V
IN2
SW1
V
IN1
BIAS
1
2
3
3
3
1.0V
P-P
(H)
2.0V
P-P
(H)
4
5
•J(1/5)BOARD WAVEFORMS
0.5V
P-P
(H)
NTSC
0.5V
P-P
(H)
SECAM
0.7V
P-P
(H)
PAL
PAL 1.2VP-P(H)
NTSC/SECAM 0.9VP-P(H)
PAL1.2VP-P(H)
NTSC/SECAM 0.9VP-P(H)
1
2
3
4
2.0V
P-P
(H)
5.2V
P-P
(16.2MHz)
5
5
5
6
7
8
•J(2/5) BOARD WAVEFORMS
9
0.5V
P-P
(H)
NTSC
0.5V
P-P
(H)
SECAM
0.7V
P-P
(H)
PAL
PAL 1.0VP-P(H)
NTSC/SECAM 0.8VP-P(H)
PAL1.0VP-P(H)
NTSC/SECAM 0.8VP-P(H)
1.0V
P-P
(H)
0.5V
P-P
(H)
0.9V
P-P
(H)
0.6V
P-P
(H)
1
96.5mV
P-P
(MHz)
•J(3/5)BOARD WAVEFORM
1
300mV
P-P
(16.2MHz)
•J(4/5)BOARD WAVEFORM
1
2
3
4
5
2.3V
P-P
(MHzH)
3.2V
P-P
(H)
0.3V
P-P
(H)
0.9V
P-P
(H)
0.9V
P-P
(H)
•J(5/5)BOARD WAVEFORMS
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