Panasonic DVCPRO AJ-CA901P, Service Manual

Page: 150 / 268

BS IMCOM T
Digital Triax Base station : AJ-BS900H
OVERALL BLOCK DIAGRAM
S/P*
BS DIGITAL P.C.B
DECODER
10bit
Video/Audio/Cont.
Sep.
Color Bars
Generator
Over SMPL
13.5MHz - 18MHz
IC33
Y/G OUT L.P.F
L.P.F
D/A
IC47
MATRIX
IC39
Y/G
PR/R
PB/B
L.P.F
AMP
AMP
AMP
VR7 [PB/B GAIN]
L.P.F
L.P.F
D/A
IC40
MATRIX
IC38
PIX
WFM
AMP
AMP
D/A
IC62
MATRIX
IC57
Y
I/V
Q/U
AMP
AMP
AMP
Chroma
Encoder
VR14 [ENC3]
VR12 [ENC2]
VR10 [ENC1]
+
+
+
I/V, Q/U
Y
Y/G
PR/R
PB/B
IC71,73
VR2 [WFM GAIN]
VR1 [PIX GAIN]
VR6 [PR/R GAIN]
VR5 [Y/G GAIN]
IC4
BS AUDIO P.C.B
IC10
PM : Picture Monitor (With Onscreen Character)
WFM : Waveform Monitor (Without Onscreen Character)
CPU
IC72
1 PROD TO L (H) *
2 PROD TO L (C) *
3 PROD FORM L (H) *
4 PROD FROM L (C) *
5 SHIELD *
6 ENG TO L (H)
7 ENG TO L (C)
8 ENG FORM L (H)
9 ENG FROM L (C)
10 SHIELD
11 R TALLY IN (H)
12 R TALLY IN (C)
13 PGM 1 (H)
14 PGM 1 (C)
15 SHIELD
16 PGM 2 (H) *
17 PGM 2 (C) *
18 SHIELD *
19 REM ISOLATE
20 G TALLY IN (H)
21 G TALLY IN (C)
22 Non Connect
23 EXT +12V (+)
24 EXT +12V (-)
COMMUNICATION TERMINAL
* : Optional Function
NV RAM
IC75
DATA
ADDRESS
RD
WR
CS
D7-D15
A0-A12
RD
WR
CS
D/A
D/A
IC11
IC14
SD0
SD1
AUDIO OU T (CH1)
AUDIO OU T (CH2)
AMP
IC33
VR10
[LVL]
AMP
IC34
AMP
IC35
VR11
[LVL]
AMP
IC36
ENG FROM HEAD
MIC 1 CAM
MIC 2 CAM
PROD FROM HEAD
PLD
IC61
SC0 SC1 SC2
PB
0
PB
1
PB
2
SYNC GEN.
IC60
SYNC
SEP.
BPF
BURST
GATE
PHASE
COMP
IC57
VCO.
27MHz
VCO.
4fsc
4fsc
VR15
[RHSM]
HD
VD
13.5M
IC43,44
IC41,42
FL2
X3
X1,2
GENLOCK IN
16MHz
VCO
X4
RESET
IC73,74
RST
RESET
EQA
IC2
AN1
CARRIER LEVEL
CARRIER LEVEL
D/A
IC77
PA0
PA1
SCLK
SDA
H PHASE
IC56
VR26
[27MHz]
SC PHASE
Q16
VR17
[SCH]
BPF
FL3
IC62
IC59
SC
39B
TALLY
System
See left side on this
page for details.
P72
P73
SW5, SW6, IC21
AMP
IC38
AMP
IC37
SW11
SW9
AMP
IC40
AMP
IC39
SW10
Program Audio Process
A/D
A/D
IC85
IC88
PGM1
PGM2
Encoder
IC89
SD0
SD1
R TALLY
G TALLY
IC67
P46R/M CALL
R/M CALL
HEAD CALL
39A
40B
40A
R TALLY IN (C)
R TALLY IN (H)
G TALLY IN (C)
G TALLY IN (H)
51A
51B
52A
52B
PGM 1 (H)
PGM 1 (C)
PGM 2 (H)
PGM 2 (C)
PGM1 (H)
PGM1 (C)
PGM2 (H)
PGM2 (C)
48A
48B
49A
49B
PROD to L (H)
PROD to L (C)
PROD from L (H)
PROD from L (C)
46A
46B
47A
47B
ENG to L (H)
ENG to L (C)
ENG from L (H)
ENG from L (C)
53A
53B
54A
54B
MIC 1(H)
MIC 1(C)
MIC 2(H)
MIC 2(C)
INCOM System
*See bottom of left corner on this page for details
ENG FROM HEAD
PROD FROM HEAD
PGM1
PGM2
PROD to L (H)
PROD to L (C)
PROD from L (H)
PROD from L (C)
ENG to L (H)
ENG to L (C)
ENG from L (H)
ENG from L (C)
ENG TO HEAD
PROD TO HEAD
PROD TO HEAD
ENG TO HEAD
HEAD CALL
CAM DATA
P74
RXD1
HEAD CALL
CAM DATA
TALLY
TALLY
TXD1
CAM CONT
CAM CONT
Video signal
Translator
IC24
YM
YS
C
Y/C
MATRIX
IC30
YC
10 10
10
10
10
10
AUDIO / CONTRO
L
INCOM
RET 1(INPUT)
RET 1(THROUGH OUT)
PROMPT(INPUT)
PROMPT(THROUGH OUT)
RC OP
COMMUNICATION
TERMINAL (24pin)
RCOP INCOM TALK
RCOP INCOM RECEIVE
BS INCOM TALK
BS INCOM RECEIVE
43A
43B PCOP IMCOM T
PCOP IMCOM R
44A
44B
BS IMCOM R
*S/P : Serial / Parallel Converter
Over SMPL : Over Sampling (13.5MHz - 18.0MHz)
Triaxial Cable
RET Signal
PROMPT VIDEO Signal
CAMERA CONTROL Siganal
IMCOM Audio
10bit Y, Pr, Pb
MIC Audio (L, R)
INCOM Audio
Camera Status
Within
360Mbps SDI
Head power (100V DC)
55A PGM OUT
To INCOM Connector pin #2
To INCOM Connector pin #4
To RCOP Connector pin #6
To RCOP Connector pin #7
To INCOM Connector pin #5
PGM OUT (-6dB)
Prompt Video
Modurator
Return Video
Modurator
Audio / Control
Signal
Modurator
RF
Receiver
&
Modurator
4 A / C IN
2 R VIDEO IN
3 P VIDEO IN
RET
SELECT
U1
U302
U102
U202
BS RF UNIT
BS REAR P.C.B
PROD TO HEAD 67B
ENG TO HEAD 67A
PROD FROM HEA D 69B
ENG FROM HEAD
69A
MIC 1 CAM 70A
MIC 2 CAM 70B
CAM CONT 65A
TALLY 63A
PGM 1 68A
PGM 2 68B
HEAD CALL 62A
CAM DATA 65B
CARRIER LVL 61B
CARRIER LVL 47B
HEAD CALL 63A
CAM DATA 66B
ENG FROM HEAD
70A
MIC 1 CAM 71A
PROD FROM HEA D 70B
MIC 2 CAM 71B
PGM 1 69A
ENG TO HEAD 68A
PGM 2 69B
PROD TO HEAD 68B
TALLY 64A
CAM CONT 66A
AUDIO / CONT 44A
P105
TALLY System
R TALLY OUT
R TALLY IN (C)
G TALLY OUT
G TALLY IN (H)
TALLY
R TALLY IN (H)
G TALLY IN (C)
IC21
IC23
Q1 IC22
Q3 IC24
R TALLY
G TALLY
R/M CALL
HEAD CALL
SW6
SW5
POWER POWER
MAKE MAKE
POWER POWER
MAKE MAKE
INCOM (Intercom) System
IC13
IC14
AMP
IC14
AMP
AMP
AMP
IC18
VR1 VR2
IC15
IC16
AMP
IC16
AMP
AMP
VR9 VR4
AMP
IC18
AMP
AMP
2W
4W
RTS
IC20
IC17
+B
PROD to L(H)
PROD to L(C)
PROD from Head
PROD from L(H)
PROD to Head
PROD from L(C)
IC1
IC2
AMP
IC2
AMP
AMP
AMP
IC6
VR6 VR7
IC3
IC4
AMP
IC4
AMP
AMP
VR8 VR9
AMP
IC6
AMP
AMP
2W
4W
RTS
IC8
IC5
+B
ENG to L(H)
ENG to L(C)
ENG from Head
ENG from L(H)
ENG to Head
ENG from L(C)
IC10
AMP
IC10
AMP
BS INCOM_TALK
BS INCOM_RECEIVE
RCOP INCOM_TALK
RCOP INCOM_RECEIVE
IC12
AMP
IC12
AMP
IC11
AMP
IC11
AMP
IC9
1 2 3 4
5 6 7 8 9
10 11 12 13 14 15
16 17 18 19 20
21 22 23 24
RET 2(INPUT)
RET 2(THROUGH OUT)
PR/R OUT
PB/B OUT
PM OUT
WFM OUT
ENC1 OUT
ENC2 OUT
ENC3 OUT
VR6 : PROD 2W CANCEL
VR7 : PROD 2W LEVEL
VR8 : PROD RTS CANCEL
VR9 : PROD RTS LEVEL
VR1 : ENG 2W CANCEL
VR2 : ENG 2W LEVEL
VR8 : ENG RTS CANCEL
VR9 : ENG RTS LEVEL
SW1
IC7
IC19
SW3
IC32
-20dB 0dB
-20dB 0dB
BLK-4