Chip locations, Component & system wiring 57, Warning – WattMaster VAV User Manual
Page 57: Philips, 1 of 3
Component & System Wiring
57
Chip Locations
C2
GND
R7
MADE IN U.S.A.
YS101693 REV 3
CX10
CR2
RN1
C11
SERIAL NUMBER
Y2
C10
C12
WDOG
CX7
R12
R1
1
U7
JO3
R13
U6
C5
U8
R9
CX8
R16
R15
R14
COMP
LOOP
D1
MODEM
D2
D3
CX9
U9
U10
R10
C4
SHLD
C1
L1
V
AR1
CR1
J1
R3
R4
GND
COMM
J01
TERM
RS-485
TB1
24VAC
R1
TB2
R
COMPUTER
P
DCE PORT
P
U1
CX5
R5
CX1
R2
P1
CX2
U2
R6
C3
P2
T
MODEL
GND
TP1
CX11
U11
JO4
C7
SINGLE
MULTI
C8
C9
C6
Y1
MODEM
P
DTE PORT
FILENAME
DATE:
B. CREWS
DESCRIPTION:
PAGE
DRAWN BY:
JOB NAME
VAV-DRCHPREP.CDR
MG392
System Manager
MG331-21-VAV
WMVAV Controller
Comm Driver Chip
(U1) Pin 1
Comm Driver Chip
(U10) Pin 1
Comm Driver Chip
(U5) Pin 1
RAM Chip
(U2) Pin 1
EPROM Chip
(U3) Pin 1
PAL Chip
(U4) Pin 1
EPROM Chip
(U11) Pin 1
Single/Multi
Loop Jumper
(J04)
EPROM Chip
(U3) Pin 1
OE361-04 Commlink II
MG320 - VAV
VAVBOX Controller
Comm Driver Chip
(U13) Pin 1
RAM Chip
(U12) Pin 1
EPROM Chip
(U11) Pin 1
PAL Chip
(U7) Pin 1
PAL Chip
(U1) Pin 1
Warning!
Use Extreme Caution When Removing Any Chips
To Avoid Damaging Any Circuit Board Traces Which
Are Under The Chip.
Be Sure That Any Small Screwdriver Or Other
Sharp Object Used To Remove The Chip Does Not
Come Into Contact With The Printed Circuit Board
Surface.
A Small Screwdriver May Be Inserted Between The
Chip And The Socket To Aid In Removal Of The Chip.
Be Very Careful Not To Insert The Screwdriver Under
The Socket!! Damage To The Board Is Not Covered
By Warranty.
RS-485P
COMM
R14
U14
CX1
1
EPROM
CX12
U12
U11
RAM
CX7
PA
L
U8
CX8
RN1
C2
C1
EWDOG
U7
X1
X2
C3
U3
CX5
R3
YS101830PREV.2
MODULAR
SYSTEM MANAGER
R4
R1
U1
U6
U9
CX13
U13
VAR1
C7
P2
SC1
P1
COMM
OUT
D6
COMM
IN
R11
R12
CX9
C8
CX14
C6
R13
C4
L1
D5
CX10
C5
U10
D4
R10
CX3
CX4
CX6
R9
D3
U4
PJ1
U2
CX2
R2
R3
U3
D1
D2
R5
R6
DSPY1
P3
R7
RV1
1 of 3
Chip Replacement Information
WattMaster VAV Components
RL
Y1
D1
D2
D3
D4
D5
CX3
RAM
EPROM
C3
C2
U6
PHILIPS
CX6
C1
CX2
U2
U3
PAL
CX4
U4
TUC-5R PLUS
YS101816 REV. 2
V1
V2
V3
V5
V4
TB2
4
NETWORK
TOKEN
16
32
8
SW1
ADD
2
1
ADDRESS
V6
POWER
GND
24VAC
L1
D16
R6
C9
SC1
R1
1
U1
1
MC34064A
D13
C16
9936
VR2
7824CT
M
TB4
R27
C13
R10
VR1
C19
C18
NE5090NPB3192
0PS
U8
CX8
U9
X1
R7
D10
R13
D12
C7
CX10
U10
CX12
U12
U14
CX14
PJ3
PJ2
PJ1
EXPANSION
PRESSURE
SENSOR
T'STAT
C17
D15
R26
C20
R25
R24
R22
U15
CX13
U13
C15
R19
R15
C14
D18
D17
PU1
PU2
PU3
PU4
PU5
PU7
D6
D7
D8
D9
D11
D14
C12
C10
0-5
VDC
0-1
VDC
JP1
C1
1
X2
GND
TB3
INPUTS
GND
GND
+VDC
AIN1
AIN2
AIN3
AIN4
AIN5
AOUT1
AOUT2
AIN7
RN4
1
RN5
RS-485
CX5
U5
R
TB1
SHLD
T
COMM
COMM
RN3
1
RN1
U1
CX1
1
LD6
COMM
PWR
LD7
LED1
LED2
LD9
LD8
R1
U7
RV1
VREF ADJ
R28
+VREF
5.11V
TEST POINT
EWDOG
D19
RN2
1
COM1-3
COM4-5
R5
R4
R3
R2
R1
RL
Y2
RL
Y3
RL
Y4
RL
Y5
CX15
(1 MEG)
HH
P1
C21
05/12/04
CX6
SW1
U10
75176
EXPANSION
Q3
Q2
D3
VR1
7824
GND
24V
A
C
M
7824C
T
MC340
9936
R17
R16
U7
C7
R15
POWER
R21
REV. 2
YS101562
D4
R26
LD3
L1
SCAN
REC
R12
C6
R11
TOKEN
NET
LD2
32
R14
R13
R100
LD1
C5
D1
K1
V2
G5L-1
14P-PS
24VDC CONT
ACT
:
UL
/CSA
5A250V
AC
K2
D2
ACTUATOR
G5L-1
14P-PS
24VDC CONT
ACT
:
UL
/CSA
5A250V
AC
R10
R9
PJ2
V1
C4
74HC573N
B31920PS
9936
MS6264L-70PC
EPROM
VREF
ADJ
R23
C10
PCB80C552-5-16WP
500650=1/3
DFD9940SM
PHILIPS
EWDOG
COMM
D7
CX10
R25
R28
T'ST
AT
U11
C15
R20
C11
R24
8
16
2
4
ADDRESS
ADD
1
U6
93C46
U5
R19
PHILIPS
U9
CX9
R32
D5
C14
P.
U
.
R22
C13
LMC662
R27
D5
RAM
C9
C8
80C55 2
CX5
PJ1
C3
R8
R7
R5
R6
R4
C2
C1
X1
74HC259
B31920PS
U2
R1 R2
R3
CX2
Q1
16L8
32K
R34
FLOW
U8
1
RN1
CX8
U4
R18
CX4
8K
RAM
U3
CX3
U1
CX1