PDP-5050SX
63
5
6
7
8
5
6
7
8
C
D
F
A
B
E
50 ADDRESS ASSY
• ADR RESONANCE BLOCK (VIDEO)
CH1: IC1601-pin 2 (ADR_B2)
CH2: IC1603-pin 4 (ADR_U1)
CH3: IC1603-pin 2 (ADR_D1)
V: 1V/div.
(Input: VIDEO, Signal: Color-bar)
CH1
H:
2msec/div.
CH2
CH3
CH1
CH2
CH3
1
H:
1
µ
sec/div.
CH1: IC1601-pin 2 (ADR_B2)
CH2: IC1602-pin 4 (ADR_U2)
CH3: IC1602-pin 2 (ADR_D2)
V: 1V/div.
(Input: VIDEO, Signal: Color-bar)
CH1
H:
2msec/div.
CH2
CH3
CH1
CH2
CH3
2
H:
1
µ
sec/div.
CH2: Q1601-pin 4 (ADR_B2)
CH3: Q1603-pin 4 (ADR_U1)
CH4: Q1603-pin 2 (ADR_D1)
V: 10V/div.
(Input: VIDEO, Signal: Color-bar)
CH2
H:
1
µ
sec/div.
CH3
CH4
CH2
CH3
CH4
3
H:
1
µ
sec/div.
CH2: Q1601-pin 4 (ADR_B2)
CH3: Q1602-pin 4 (ADR_U2)
CH4: Q1602-pin 2 (ADR_D2)
V: 10V/div.
(Input: VIDEO, Signal: Color-bar)
CH2
H:
1
µ
sec/div.
CH3
CH4
CH2
CH3
CH4
4
H:
1
µ
sec/div.
CH1: Q1601 Drain (V+ADR)
CH2: Q1603 Source
CH3: Q1602 Source
V: 10V/div.
(Input: VIDEO, Signal: Color-bar)
CH1
H:
2msec/div.
CH2
CH3
CH1
CH2
CH3
5
H:
1
µ
sec/div.
CH1: Q1601 Drain (V+ADR)
CH2: Q1603 Source
CH3: Q1602 Source
V: 10V/div.
(Input: VIDEO, Signal: B/W(1
×
8))
CH1
H:
2msec/div.
CH2
CH3
CH1
CH2
CH3
6
H:
1
µ
sec/div.
50 ADDRESS ASSY
• ADR LOGIC BLOCK
CH1: IC1553-pin 18 (CLK input)
CH2: IC1553-pin 16 (LE input)
CH3: IC1553-pin 9 (DATA input)
V: 1V/div.
(Input: VIDEO, Signal: Color-bar)
CH1
H:
2msec/div.
CH2
CH3
CH1
CH2
CH3
1
H:
200nsec/div.
CH1: IC1553-pin 23 (HBLK input)
CH2: IC1553-pin 19 (LBLK input)
CH3: IC1553-pin 25 (HZ input)
V: 1V/div.
(Input: VIDEO, Signal: Color-bar)
CH1
H:
2msec/div.
CH2
CH3
CH1
CH2
CH3
2
H:
50
µ
sec/div.