Panasonic WJ-FS616 Service Manual page 37

SWITCH BOARD (2/3)
IC1 COMB FILTER
L1,L2
33-40 CIA0A-CIA7A
Q1 C1-C3 17
D0-D7
VIN
V0 BUFFER LPF
25-32 YIA0A-YIA7A
C0-C7
46
Q2 Q3 COMB/BPF 45
CLK
AMP BUFFER
Q4-Q7
VR25
Q179,L95,L96 Q180-Q182
(Y GAIN-0)
IC4
C868,C869
C PHASE
1 2
B.P.F. a
CONTROL
VR2
(C PHASE-0)
IC4
Q8,Q9
13 12
AMP f
11 10 WSYNCA
e
IC4
L6,L7 IC5 COMB FILTER
33-40 CIB0A-CIB7A
Q10 C39-C41
17
D0-D7
VIN
V1 BUFFER LPF
25-32 YIB0A-YIB7A
46 C0-C7
Q11 Q12
COMB/BPF 45
CLK
AMP BUFFER
Q13-Q16
VR26
Q183,L97,L98
Q184-Q186
(Y GAIN-1)
IC8
C871,C872
C PHASE 1 2
a
B.P.F.
CONTROL
VR4
SRESET
SRESET (C PHASE-1)
RDEC1C
RDEC1C
RDEC2C RDEC2C Q17,Q18 IC8
13 12 AD0-AD3
RWB1CS RWB1CS
AMP f
RWB2CS
RWB2CS
DB0-DB7
11 10
e
IC8
AD0-AD4
DB0-DB7
4
CPUWR 6
5 b PWRN
From
Switch
IC135 AD0-AD3
Board(1/3)
CPUWR DB0-DB7
L16,L17 IC12 COMB FILTER
33-40 CIA0B-CIA7B
Q23 C138-C140
17
D0-D7
VIN
V2 BUFFER LPF
25-32 YIA0B-YIA7B
46 C0-C7
Q24 Q25
COMB/BPF
45
BUFFER CLK
AMP
VR27 Q26-Q29
(Y GAIN-2) Q187,L99,L100
Q188-Q190
IC15
C874,C875
C PHASE 1 2
a
B.P.F.
CONTROL
VR6
(C PHASE-2)
RDEC2C
CPUWR
13 12
f
Q30,Q31
IC15
AMP
11 10 WSYNCC
e
IC15
L21,L22
IC16 COMB FILTER
Q32 C176-C178
33-40
CIB0B-CIB7B
17
D0-D7
V3 BUFFER L.P.F. VIN
25-32 YIB0B-YIB7B
Q33 Q34
46 C0-C7
COMB/BPF
BUFFER 45
AMP
CLK
VR28
Q35-Q38
(Y GAIN-3)
Q191,L101,L102 Q192-Q194
IC19
C877,C878
C PHASE 1 2
B.P.F. a
CONTROL
VR8
(C PHASE-3)
13 12
f
Q39,Q40
IC19
AMP
11 10 WSYNCD
e
IC19
BLOCK DIAGRAM OF SWITCH BOARD (2/3)
IC9
VIDEO SIGNAL PROCESSOR
122-129 57-64 DOA0-DOA7 201-208
CIA0-CIA7 DOA0-DOA7
103-108 WSYNCA 193
111,112 BSCA 189
YIA0-YIA7
71 W4FSCA 184
113
ADCKA W4FSCA
185
68 WSCOA 188
WSCOA
65 FHAA 194
FHAA
98 190
BWLA
BSCA BWLA
99
GLBSCA
31-38 DOB0-DOB7 226-233
DOB0-DOB7
WSYNCB 219
BSCB 225
56 W4FSCB 237
W4FSCB
236
97
VPINA 223
55 WSCOB
WSCOB
FHAB 220
50
FHAB
139 BWLB 224
BWLB
X1,Q19
D1,D2
116 AD0-AD3 95-98
152-159
SCINA
CIB0-CIB7
115
IC135
SCOUTA VCO
AD4 9
118 8 94
142-149 SCUA 10 c
YIB0-YIB7 119
SCDA
93
150
X2,Q20
ADCKB
D3,D4
24 RWB1CS
81-88
SCINB
23
SCOUTB VCO
26
SCUB 92
140 27
PWRN
GLBSCB SCDB
66
138 WFCKA R4FSC1
51
VPINB
WFCKB
4
86
CHSL
RDEC1C
CLR SRESET
7
CPUWR WE
18-21
AN0-AN3
8-10,13-17
DB0-DB7
IC20
VIDEO SIGNAL PROCESSOR X3,Q41
D9,D10
18-21
116
AN0-AN3 SCINA
115
VCO
8-10,13-17 SCOUTA
118
DB0-DB7
SCUA
119
SCDA
122-129
CIA0-CIA7
103-108
57-64
DOC0-DOC7
111,112 DOA0-DOA7
YIA0-YIA7 77
71 W4FSCC
113 187
W4FSCA
ADCKA 68 WSCOC
234
WSCOA
65 FHAC SRESET
FHAA
98 BWLC
BWLA
99
GLBSCA
97
VPINA
4
CHSL
7
WE
5
17
31-38 DOD0-DOD7
DOB0-DOB7
56 W4FSCD
152-159 156
W4FSCB
CIB0-CIB7 55 WSCOD
176
WSCOB
50 FHAD
FHAB
142-149 AD0-AD4 94-98
139 BWLD
YIB0-YIB7
BWLB
201-208
150
ACKB
81-88
93
RWB2CS
X4,Q42 92
PWRN
140 D11,D12
GLBSCB
24 WSYNCC 193
SCINB
23 BSCC 189
138
SCOUTB
VCO
VPINB
26 W4FSCC 184
SCUB
27 185
SCDB
WSCOC 188
66
WFCKA
R4FSC1 FHAC 194
51
WFCKB
BWLC 190
86
CLR SRESET
226-233
WSYNCD 219
BSCD 225
W4FSCD 237
236
WSCOD 223
220
FHAD
BWLD 224
IC140
IC145 IC146
GATE ARRY LOGIC D-RAM D-RAM
124-131 16-20
16-20
A YCIN0-YCIN7 133 23-28
23-28
AD0-AD8 A0-A8 A0-A8
A WSYNC
157-161,163 2-5,7-10
2-5,7-10
A GLBSC
165-174 33-36,38-41 33-36,38-41
MA0-MA15 I/O0-I/O15 I/O0-I/O15
A REFCLK
30 30
A W4FSC
UCAS UCAS
119 31 31
A WFSC
CAS LCAS LCAS
A WFHA 123 14 14
RAS RAS RAS
A BSCDET 118 13 13
WE WE WE
117 29 29
OE OE OE
B YCIN0-YCIN7
B WSYNC
B GLBSC
135-146,148
B REFCLK
152-154
B W4FSC MB0-MB15
X17,Q221,D47,C936(SC LOCK-1)
B WFSC
47
B WFHA RSCIN TP35
45
B BSCDET RSCO (SC LOCK-1)
VCO
48
RSCOUT
99-105,107,109-116 IC137 D-FF D/A CONVERTER
MC0-MC15
PA0-PA3
D1 Q1 Q100
66-73 2-9 12-19
YO0-YO7
| | R
PA4 IC121
TP50(SFC) D8 Q8 NETWORK
4 11
65 2
R13M CLK
PCSN
D/A CONVERTER
PD0-PD7 61
Q240,Q241
RSYNC
Q97
AMP
RWRN CD0-CD7 R
51-58
NETWORK
5V RSYNC1
VR37
IC163 VR36 (BURST-1)
(FSC)
SELECTOR
X18,Q224,D53
C958(H. LOCK-1)
7 0
1
TP29
36 6 1
RVCOD VCO (H. LOCK-1)
62 5
RSYDET
33
RCOIN
34
RCOOUT
Q222,D48,D49
195
A WCOIN
196
A WCOOUT VCO
199
A WVCOD
L116
(PLL DC-0)
Q223,D50,D51
214
B WCOIN
215
B WCOOUT VCO
217
B WVCOD L117
63 (PLL DC-1)
REXHIL
38
RESET RXSYNC
40
AEN
RVP
50
BEN
R4FSC R4FSC
79 WSYS0
AWSYS
PWRN PWRN
80 WSYS1
BWSYS
19-26
D QYRB0-QYRB7
15
CQVST
16
CQHST
7-14
C QYRB0-QYRB7
27
C WFLD DQVST
28
DQHST
D WFLD
6
CW27M
18
DW27M
IC141
TP27
GATE ARRAY LOGIC
167-174
B WFLD
MA0-MA7
166
A WFLD
MA8
165
PA0-PA4 MA9
143-146,148
A YCIN0-YCIN7
152-154
MB0-MB7
INT/EXT
PD0-PD7
142
MB8
PRDVN
141
PCSN
MB9
WSYS0-WSYS3
175
RWRN
A W27MO
155
B W27MO
A WSYNC
38
A GLBSC
RXSYNC RSYNC1
A REFCLK
Q226,D56,D57
A W4FSC
195
A WCOIN
A WFSC
196
A WCOOUT VCO
A WFHA
199
A WVCOD L118
A BSCDET
(PLL DC-2)
Q227,D58,D59
B YCIN0-YCIN7
214
B WCOIN
B WSYNC
215
B WCOOUT VCO
B GLBSC
217
B WVCOD L119
77
(PLL DC-3)
RESET
187
B REFCLK
AEN
234
B W4FSC SRESET
BEN
B WFSC
B WFHA
79 WSYS2
AWSYS
B BSCDET
80 WSYS3
BWSYS
– 34 –
IC147
D-RAM
16-20
23-28
A0-A8
2-5,7-10
33-36,38-41
I/O0-I/O15
30
UCAS
31
LCAS
14
RAS
13
WE
29
OE
Q220(a) Q175,Q239
Q101
IC138
BUFFER
6dB VIDEO AMP
Q220(b)
MIX MIX
1 4
BUFFER
VR18
8 5
(BORDER-1)
Q174(a)
IC139
BUFFER
6dB VIDEO AMP
Q174(b)
1 4
BUFFER
8 5
To/From
Switch
Board
(3/3)
SPTSEQ
To/From
Switch
Board SEQ/SPOT
(3/3)
RSYNC
IC133
12
11
d RSYNC1
13
To/From
Switch
Board IC71
(3/3)
SYNC GEN
IC73
Q173,Q219
61 4 2
GLSYNC BUFFER
Q168
78
L.P.F. SPCO
Q167
24
2
HPCO
SLPF L.P.F.
19
HLPF
X14,D40,D41
L93,D33,D34
72 26
SCIN VC1
1
VCO 4FSC
2 4 VCO
73
SCOUT
IC72
27
COIN
21
1
VCC
3
a
2
IC133
To/From Switch Board(1/3)
CN21
TC
2 TC
TY 4 TY
TVBS 6 TVBS
SC 8 SC
SY 10 SY
SVBS 12 SVBS
TO OUTPUT BOARD
14 RC
...CN21
16 RY
18 RVBS
20 SPOT/SEQ
22 SPOT CONT
IC133
9 25 EXSYNC IN
8
10 c
CN100
D+5V 1 +5V
A+5V 2 +5VA TO MAIN BOARD
3 -5V ...CN100
-5V 4 -5V