Sony XR-C8200, Руководство по обслуживанию

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• IC Block Diagrams – MAIN BOARD –
IC61 HA12181FP-EL
IC91 BU2624FV-E2 IC201 LB1638M
IF
AMP
LPF
IF AGC
DETECTOR
PULSE
DETECTOR
HPF1 LPF
AF
AMP
AF
AGC
OR
HPF
NOISE
AGC
PULSE
DETECT
1
PULSE
DETECT
2
GATE PULSE
GENERATOR
REFERENCE
CURRENT
CIRCUIT
SW2
SW1
REFERENCE
VOLTAGE
CIRCUIT
PHASE
CURRENT
LEVEL
DIFFERENCE
DETECTION
SW3
HIGH PASS AMP
(WAVEFORM COMP.)
SW4
REFERENCE
CURRENT CIRCUIT
(WAVEFORM COMP.)
SW5
BUFFER
AMP
11 10 9 12 14 13 15 16
1 2 4 5 3 6 7 8
GATE PULSE 2
GATE PULSE 1
VCC
GND
IFAGC BIAS1
AF-IN
BIAS2
PHASE
HOLD
GND
HP
IF-IN AFAGC IFDET VCC VTH GATE WF AFOUT
PHASE
DET
PRESCALER
MAIN
COUNT
IF COUNT
CTL
20BIT COUNT
SHIFT REGISTER LATCH
REFERENCE
DIVIDER
I/O
CTL
1
2
4
5
6
7
9
10
20
18
17
16
15
14
13
12
11
19
XIN
CE
CK
DA
CD
P0
P1
P3
XOUT
VSS
PD
VDD
FMIN
AMIN
P2
IFIN
SD
P4
1
2
3
4
5 6
7
8
9
10
GND
IN1
VCC
IN2
GND
N.C.
OUT2
VS
OUT1
N.C.
CONTROL LOGIC