Block Diagram Of Assy For Each Sensor-H To Sensor-N - Pioneer PDK-50HW2 Service Manual

7.1.3 Block diagram of ASSY for each SENSOR-H to SENSOR-N

SENSOR AMP
SENSOR AMP
SENSOR AMP
SENSOR AMP
SENSOR AMP
SENSOR AMP
SENSOR AMP
SENSOR AMP
The illustration shows the block diagram of the sensor board (applicable to SEN-H to SEN-N).
For both horizontally and vertically formatted boards, the block structure is the same. If any of the three problems listed below are
encountered, use the checkpoints listed below.
•If the unit length of the board is a problem
For a horizontally formatted board, the HSDEC_SEL or H_RCV signal may have been interrupted.
For a vertically formatted board, the VSDEC_SEL or V_RCV signal may have been interrupted.
•When there is a problem within the 8 sensor unit
For a horizontally formatted board, the HSEN_ADR signal may have been interrupted.
For a vertically formatted board, the VSEN_ADR signal may have been interrupted.
•When there is a problem with the 8 LED sensor cycle
For a horizontally formatted board, the HSEN_SEL signal may have been interrupted.
For a vertically formatted board, the VSEN_SEL signal may have been interrupted.
S
E
L
E
C
T
(x 8)
S
E
L
E
C
T
(x 8)
S
E
L
E
C
T
(x 8)
S
E
L
E
C
T
(x 8)
S
E
L
E
C
T
(x 8)
S
E
L
E
C
T
(x 8)
S
E
L
E
C
T
(x 8)
S
E
L
E
C
T
(x 8)
SEN_SEL
to LED-A PCB Assy
H_RCV (H)
H_RCV ( I)
H_RCV (J)
H_RCV (K)
V_RCV (L)
V_RCV (M)
V_RCV (N)
ENABLE
3 to 8
SEN_ADR
SDEC_SEL
PDK-50HW2
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