Service manual

VRX765VD
VRX766VD
- 11 -
pin 74: Memo OE_N : O : Pattern Memory interface. Output enable.
pin 75: Memo D 15 :I/O:Pattern Memory interface. Data I/O.
pin 76: Memo D 7 :I/O:Pattern Memory interface. Data I/O.
pin 77: Memo D 14 :I/O:Pattern Memory interface. Data I/O.
pin 78: Memo D 6 :I/O:Pattern Memory interface. Data I/O.
pin 79: Memo D 13 :I/O:Pattern Memory interface. Data I/O.
pin 80: Memo D 5 :I/O:Pattern Memory interface. Data I/O.
pin 81: VSS : - : Digital ground.
pin 82: VDD : - : Digital power supply.
pin 83: Memo D 12 :I/O:Pattern Memory interface. Data I/O.
pin 84: Memo D 4 :I/O:Pattern Memory interface. Data I/O.
pin 85: Memo D 11 :I/O:Pattern Memory interface. Data I/O.
pin 86: Memo D 3 :I/O:Pattern Memory interface. Data I/O.
pin 87: Memo D 10 :I/O:Pattern Memory interface. Data I/O.
pin 88: Memo D 2 :I/O:Pattern Memory interface. Data I/O.
pin 89: Memo D 9 :I/O:Pattern Memory interface. Data I/O.
pin 90: Memo D 1 :I/O:Pattern Memory interface. Data I/O.
pin 91: VSS : - : Digital ground.
pin 92: VDD : - : Digital power supply.
pin 93: Memo D 8 :I/O:Pattern Memory interface. Data I/O.
pin 94: Memo D 0 :I/O:Pattern Memory interface. Data I/O.
pin 95: Memo RAHZ_N :IN: Pattern Memory interface. High-impedance.
pin 96: X TEST 2 :IN: For the test. Connect to VDD.
pin 97: X TEST 1 :IN: For the test. Connect to VDD.
pin 98: X TEST 0 :IN: For the test. Connect to VDD.
pin 99: Moni V S IN_N :IN: Monitor interface. Vertical Sync input.
pin100: Moni H S IN_N :IN: Monitor interface. Horizontal Sync input.
pin101: NC : - : Not in use.
pin102: A VDD : - : Analog power supply.
pin103: Moni Red : O : Monitor interface. Analog Red output.
pin104: Moni Green : O : Monitor interface. Analog Green output.
pin105: Moni Blue : O : Monitor interface. Analog Blue output.
pin106: Moni IREF : - : Monitor interface. DAC reference power
supply.
pin107: A VSS : - : Analog ground.
pin108: NC : - : Not in use.
pin109: VDD : - : Digital power supply.
pin110: VSS : - : Digital ground.
pin111: Moni D Red 0 : O : Monitor interface. Digital Red output.
pin112: Moni D Red 1 : O : Monitor interface. Digital Red output.
pin113: Moni D Red 2 : O : Monitor interface. Digital Red output.
pin114: Moni D Red 3 : O : Monitor interface. Digital Red output.
pin115: Moni D Red 4 : O : Monitor interface. Digital Red output.
pin116: Moni D Red 5 : O : Monitor interface. Digital Red output.
pin117: VSS : - : Digital ground.
pin118: VDD : - : Digital power supply.
pin119: Moni D Green 0: O : Monitor interface. Digital Green output.
pin120: Moni D Green 1: O : Monitor interface. Digital Green output.
pin121: Moni D Green 2: O : Monitor interface. Digital Green output.
pin122: Moni D Green 3: O : Monitor interface. Digital Green output.
pin123: Moni D Green 4: O : Monitor interface. Digital Green output.
pin124: Moni D Green 5: O : Monitor interface. Digital Green output.
pin125: VSS : - : Digital ground.
pin126: VDD : - : Digital power supply.
pin127: Moni D Blue 0 : O : Monitor interface. Digital Blue output.
pin128: Moni D Blue 1 : O : Monitor interface. Digital Blue output.
pin129: Moni D Blue 2 : O : Monitor interface. Digital Blue output.
pin130: Moni D Blue 3 : O : Monitor interface. Digital Blue output.
pin131: Moni D Blue 4 : O : Monitor interface. Digital Blue output.
pin132: Moni D Blue 5 : O : Monitor interface. Digital Blue output.
pin133: VSS : - : Digital ground.
pin134: Moni FSC : O : Monitor interface. Sub-carrier clock.
pin135: Moni YS_N : O : Monitor interface. YS output.
pin136: Moni V SYNC_N: O : Monitor interface. Vertical Sync output.
pin137: Moni H/C SYN_N : O:
Monitor interface. Horizontal/Composite
Sync output.
pin138: Moni BLANK_N : O : Monitor interface. Blank output.
pin139: Moni DOT CLK : O : Monitor interface. Dot clock output.
pin140: VDD : - : Digital power supply.
pin141: X IN : IN : Crystal connection.
pin142: X OUT : O : Crystal connection.
pin143: VSS : - : Digital ground.
pin144: NC : - : Not in use.
051-7221-18 TC7SH04FU Single Inverter
051-7509-90 SN74LV123APWR
Dual Retriggerable Monostable Multivibrator
Terminal Description
pin 1 : 1 A_ : Channel 1 input A_. Ref. Table 1.
pin 2 : 1 B : Channel 1 input B. Ref. Table 1.
pin 3 : 1 CLR_ : Channel 1 Clear in. Ref. Table 1.
pin 4 : 1 Q_ : Channel 1 Negative output. Ref. Table 1.
pin 5 : 2 Q : Channel 2 Positive output. Ref. Table 1.
pin 6 : 2 CX : Connect to RX/CX through a capacitor.
pin 7 : 2 RX/CX : Connect to CX through a capacitor, and con-
nect to VCC through a resistor.
pin 8 : GND : Ground.
pin 9 : 2 A_ : Channel 2 input A_. Ref. Table 1.
pin 10: 2 B : Channel 2 input B. Ref. Table 1.
pin 11: 2 CLR_ : Channel 2 Clear in. Ref. Table 1.
pin 12: 2 Q_ : Channel 2 Negative output. Ref. Table 1.
pin 13: 1 Q : Channel 1 Positive output. Ref. Table 1.
pin 14: 1 CX : Connect to RX/CX through a capacitor.
pin 15: 1 RX/CX : Connect to CX through a capacitor, and con-
nect to VCC through a resistor.
pin 16: VCC : Positive supply voltage.
Table 1.
A_ in B in CLR_ in Q out Q_ out
Output Enable D-E H H U-P D-P
Inhibit X L H L H
Inhibit H X H L H
Output enable L U-E H U-P D-P
Output enable L H U-E U-P D-P
Reset X X L L H
D-E : Down-edge
D-P : Down-pulse
U-E : Up-edge
U-P : Up-pulse
X : Don't care.
1
2
3
5
4
VCC
OUT
NC
IN
GND
1
2
3
4
5
6
7
8
1A_
1B
1Clear_
1Q_
VCC
1Rx/Cx
1Cx
1Q
16
15
14
13
12
11
10
9
CK
Clear
CK
Clear
2Q_
2Clear_
2B
2A_
2Q
2Cx
2Rx/Cx
GND
to VCC