Pioneer PDP-434CMX Service Manual page 59
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- Operating instructions manual (95 pages) ,
- Service manual (153 pages) ,
- Quick reference parts lists (12 pages)
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5
50 (43) ADDRESS ASSY
• ADR RESONANCE BLOCK (VIDEO and PC)
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
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
CH2
CH3
50 ADDRESS ASSY
• ADR LOGIC BLOCK
1
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
CH2
CH3
CH1
CH2
CH3
2
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
CH2
CH3
CH1
CH2
CH3
5
6
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
1µsec/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
1µsec/div.
CH4
43 ADDRESS ASSY
• ADR LOGIC BLOCK
1
CH1: IC1552-pin 18 (CLK input)
CH2: IC1552-pin 16 (LE input)
CH3: IC1552-pin 9 (DATA input)
CH1
H:
CH2
2msec/div.
CH3
CH1
H:
CH2
200nsec/div.
CH3
2
CH1: IC1552-pin 23 (HBLK input)
CH2: IC1552-pin 19 (LBLK input)
CH3: IC1552-pin 25 (HZ input)
CH1
H:
CH2
2msec/div.
CH3
CH1
H:
CH2
50µsec/div.
CH3
PDP-504CMX/1
6
7
Note:
50 (43) ∗∗∗ Assy means
50 ∗∗∗ Assy or 43 ∗∗∗ Assy.
5
CH1: Q1601 Drain (V+ADR)
CH2: Q1603 Source
CH3: Q1602 Source
CH1
H:
CH2
1µsec/div.
CH3
CH1
H:
CH2
1µsec/div.
CH3
6
CH1: Q1601 Drain (V+ADR)
CH2: Q1603 Source
CH3: Q1602 Source
CH1
H:
CH2
1µsec/div.
CH3
CH1
H:
CH2
1µsec/div.
CH3
V: 1V/div.
(Input: VIDEO, Signal: Color-bar)
H:
2msec/div.
H:
200nsec/div.
V: 1V/div.
(Input: VIDEO, Signal: Color-bar)
H:
2msec/div.
H:
50µsec/div.
7
8
V: 10V/div.
(Input: VIDEO, Signal: Color-bar)
H:
2msec/div.
H:
1µsec/div.
V: 10V/div.
(Input: VIDEO, Signal: B/W(1×8))
H:
2msec/div.
H:
1µsec/div.
8
A
B
C
D
E
F
59
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