Pioneer PDP-5050SX Service Manual page 62

1
43 ADDRESS ASSY (1/3)
ADR RESONANCE BLOCK (VIDEO)
A
1
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
CH2
CH3
CH1
CH2
B
CH3
2
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
CH2
CH3
CH1
C
CH2
CH3
43 ADDRESS ASSY (3/3)
ADR LOGIC BLOCK (2/2)
1
CH1: IC1552-pin 18 (CLK input)
CH2: IC1552-pin 16 (LE input)
CH3: IC1552-pin 9 (DATA input)
V: 1V/div.
(Input: VIDEO, Signal: Color-bar)
D
CH1
CH2
CH3
CH1
CH2
CH3
2
CH1: IC1552-pin 23 (HBLK input)
CH2: IC1552-pin 19 (LBLK input)
CH3: IC1552-pin 25 (HZ input)
V: 1V/div.
E
(Input: VIDEO, Signal: Color-bar)
CH1
CH2
CH3
CH1
CH2
CH3
F
62
1
2
3
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:
CH3
2msec/div.
CH4
CH2
H:
CH3
500nsec/div.
CH4
4
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:
CH3
2msec/div.
CH4
CH2
H:
CH3
500nsec/div.
CH4
H:
2msec/div.
H:
200nsec/div.
H:
2msec/div.
H:
50µsec/div.
PDP-5050SX
2
3
5
CH1: Q1601 Drain (V+ADR)
CH2: Q1603 Source
CH3: Q1602 Source
V: 10V/div.
(Input: VIDEO, Signal: Color-bar)
CH1
H:
CH2
2msec/div.
CH3
CH1
H:
CH2
500nsec/div.
CH3
6
CH1: Q1601 Drain (V+ADR)
CH2: Q1603 Source
CH3: Q1602 Source
V: 10V/div.
(Input: VIDEO, Signal: B/W(1×8))
CH1
H:
CH2
2msec/div.
CH3
CH1
H:
CH2
500nsec/div.
CH3
3
4
H:
2msec/div.
H:
500nsec/div.
H:
2msec/div.
H:
500nsec/div.
4