Siemens C994, C-C791V-1, C991V-1 Schematic
CMPC-C791V-1/C991V-1(C994)
IC105
H106
HS
1
VS
2
SCL1
3
SDA1
4
5
H802
HS
1
VS
2
SCL1
3
SDA1
4
CLAMP
5
VFB
6
BLANK
7
FBP
8
12V
9
SDA
10
11
SCL
12
5V
13
IC102
24C08
1
8
2
7
3
6
45
R151
6K8
SW104
SW105
DEC
INC
LEFT
RIGHT
P105
NC
6
G.LED
5
SH.A
4
SH.B
3
KEY
2
R.LED
1
R199
150
1/4W
DEG
CN902
R900
10M
1/2W
CN901
IC101 PIN401 10 D922 PIC401 PIN1
31.6us
D103D102
1N41481N4148
R180
100
R181
100
R112
L101
100
3.3UH
C105
R113
R117
10UF
4K7
4K7
R148R149R150
5K62K73K9
SW101
SW102
S.B.P
EXIT
NC
OSD
7V 7V
RY901
77A260-5-1
D939
93C6411-52T
1N4148
Q913
57A419
R978
-P-T
10K
2SC945P
1/4W
F901
84A7-40
4A/250VAC
2 IC101 PIN39
5Vpp5Vpp
31.6us 31.6us 31.6us
16.7ms 16.7ms
SW103
ENTER
R163
180
1/4W
Q101
A733
R165
14.5V
61A52-27-4G
14.5V
R977
10K
1/4W
L
N
R108
100
R109
100
10K
ZD102
5.6V
PR901
R976
100
1/2W
R161
R162
D104
4K7
4K7
1/4W
1/4W
1N4148
5V
R111
2K2
C102
D101
33UF
1N4148
16V
R164
C101
10
0.1
470UF
5V
X101
93A22-22
R167
1M
R114
4K7
R115
4K7
R116
4K7
R118
JUMPER
R119
R120
JUMPER
4K7
4K7
R107
C104
10K
R147
NC
R110
4K7
R106
NC
R105
NC
R104
NC
CS0
5V 5V
SCL
SDA
MUTE
D901-D904
93A52-55
1N5408
D902
D903
C913
0.68
630V
D904
D901
R906
R907
10K
0.47
1/4W
3W
NR901
61A58-8T
R902
2K4
C998
0.22
250VAC
VR901
100
L902
73A174-17-HJ
C903 C904
3300
250V
73A174-16-HJ
250VAC
R903
330
3300
250V
C902
0.22
C925
NC
R901
470K
1W
L901
C909
0.33
300V
5.4Vpp5.3Vpp
65
J018
JUMPER
D105
1N4148
4.2
4.2
4.8
5
C103
16V
2.5
5
2.5
6
5
5
5
5
0.8
5
5
CS1
DEG
CS2
SUSPEND
OFF
R908
47K
1/4W
2
1
C912
1.5
1000
V.C
2
C911
0.22
C.T
3
C910
150
C.S
45
ZD903
93A39-94-52T
RD18EB1
R935R934
150K
1K
1/2W1/4W
C918
3300
C919
0.001
C920
R936
0.001
2K2
1/4W
R940
22K
1/4W
R921
NC
R922
NC
Q905
NC
543
420us
74LS14
J019 R406
JUMPER NC
IC101
56A1125-10
NT68P61A
OFF
1
SUSPEND
2
DEG
3
RESET
4
VCC
5
6
OSCO
7
OSCI
8
9
SCL
10
SDA
LED
11
12
13
FUNC
14
15
KEY B
16
KEY A
MUTE
17
CS0
18
CS1
19
CS2
JUMPER
R909
1M
1/4W
L904
EE25
IC902
MC33260
VccF.B
8
GATE
7
GND
6
SYNC
3.1
2.5
C906
680
C924
0.0033
93A64-11-52T
R942
100
1/4W
4.5Vpp
89
H-OUT
V-OUT
BRITE
SIZE F/V
ROTATE
H-SIZE
R913
1M
1/4W
11
3
17
0.4
1
2
3
0.4
D914
1N4148
6
IC101 PIN8
420us
14
V.S
H.S
R/D
G/D
B/D
R/B
G/B
B/B
CONT
SCL
SDA
CS5
CS4
CS3
56A379-12
MC3842AM
COMP.
F.B
Is
Ct/Rt
R807
100
R808
100
R809
100
R810
100
R811
24
100
C807
0.1
4.2
24
24
R828
10K
C813
0.1
IC802
NT6827
16
15
14
13
12
11
10
JUMPER
FOCUS
Q422
R494
R629
240
1/2W
T401
10651
83
R434
R435
1/4W
ZD413
TIP122
NC
54V
ZD403
3V
ZD410
3V
ZD409
3V
ZD405
3V
38Vpp
IC801
TDA4886
ABL
FB 24
1
1.5
F/R1
OSD-R
2
1.5
B-O/P
3
OSD-B
1.5
B-VCC
OSD-G
4
0.7
F-R2
CLP
5
4.2
G-O/P
B-I/P
6
7.7
G-VCC
VCC
7
F/R3
G-I/P
8
R-O/P
GND
9
4.2
R-VCC
R-I/P
10
0.5
GND
BLANK
11
5
SCLSDA
12
R820
C869
39
1W
0.001
R838
(NC)1K
1
R839
(NC)1K
1
R840
(NC)1K
0.9
R816
1K
0.9
5
C805
R835
100UF
16V
R878
C872
1
NC
1W
P25
R496
C444
180
R471
ZD406
1K5
5.1V
D411
1N4148
D405
1N5817
R428
L403
0.75
R427
JUMPER
5W
22
1/2W
C436
0.33
R451
82
2W
C448
680
51K
R436
R447
7K5
120K
(F)
C451 C431
1500
ZD407
12V
Q405
D420
1N4148
D415
R480
PS156R
R448
C440
56K
0.1
D417
R481
PS156R
10
R423
C424
56K
0.1
D414
R482
PS156R
10
R461
56K
C454
0.1
R483
D419
10
PS156R
R464
C456
56K
0.1
IC801 PIN6
24
PIN8,10
0.7Vpp
NC
100
100
C876
0.001
500V
C499
330
1KV
56K
C450
1N4148
82K
10K
D850
1SS83
C853
1UF
100V
ABL
R713
1K
C703
1UF
450V
TP499
R499
TP498
C713
10UF
250V
D703
BRITE
BRITE
VERSION
Q803
NC
D852
1SS83
C854
1UF
100V
D853
1SS83
D854
1SS83
C855
1UF
100V
D855
1SS83
R722
10K
R714
1K
CP
R724
1M
1/2W
MTZ8.2
MODE
DATE
C840
1UF
100V
D856
1N4148
R857
1M
1/4W
R872
100
1/2W
R875
1K
Q853
2SC945
C864
0.1
100V
D857
1N4148
R858
1M
1/4W
R873
100
1/2W
R876
1K
D858
1N4148
R859
1M
1/4W
R874
100
1/2W
R877
1K
VR701
22K
ABL
R728
1M
1/2W
R742
150K
1/2W
C702
470
1KV
D709
1N4148
SUB
VR702
BRI
220K
ZD704
DTC114ES
R860
R881
15K
120K
1/4W
1/4W
Q850
C856
BF422
1UF
100V
C859
R863
680
0.1
1/4W
28
29
SG801
SG803
SG802
200V
200V
200V
FB806
R861
C878
15K
0.001
1/4W
500V
R883
Q851
C857
120K
1UF
BF422
1/4W
100V
R864
C860
680
0.1
1/4W
Q854
2SC945
C867
1UF
100V
C719
1
100V
R725
220K
1/4W
Q706
BF423
C709
Q707
C791V-1/C991V-1(C994)
D705
PS156R
R734
4M7
1/2W
R733
82K
C858
1UF
100V
Q855
2SC945
R720
1M2
1/2W
R721
47K
VR703
100K
R862
15K
1/4W
Q852
BF422
R865
680
1/4W
R726
10K
R731
270K
1/2W
C718
0.01
R718
R729
10K
02/07/2001
C866
0.1
100V
R885
120K
1/4W
C861
0.1
Q709
C945P
R719
47K
R740
270K
1/2W
Q708
BF422
C704
R735
10UF
3K3
FOCUS
C707
10K
0.047
250V
C708
10UF
ZD702
C706 D707
33UF 1N4148
MUTE
A
R866
1N4148
24V
R711
1K
10K
D859
8
6
11
29
75910
C865
1UF
100V
R867
10K
C875
0.1
D860
1N4148
FB808
SG805
C863
200V
0.001
(NC)
C873
1000
500V
D863
BYV26C
P20
R879
R880
560K
100
1/2W
1/2W
G2
P402
54V
R741
10K
C452
0.001
H.UNLUCK
54V
PARTS N0:41A31-07202/07/2001
DRAWING
CHECKED
APPROVED
500V
C874
0.01
2KV
SG804
1KV
V-DY
H-DY
E.H.T
F2
F1
G2
H803
H.T
ABL
G1
80V
80V
H.T
C862
0.01
100V
R868
10K
D861
1N4148
EHT
FOCUS
R712
15K
1/4W
Q710
A733
R744
1K
C701
10UF
TP701
R738
R739
1K
33K
1/2W
Q705
2SC945
R737
NC
1N4148
R819
R817
C808
JUMPPER
33K
0.1
(NC)
8.2
R818
C809
5.2
20K
1UF
23
1.5
22
27
21
7.7
5.2
20
1.5
19
26
18
7.7
5.2
17
1.5
16
7.7
15
14
13
R837
4K7
C825
4700
(NC)
P35
C433
0.22
D410
1SS83
R470
2K2
R489
30K
C457
NC
1K
2.2UF
250V
R486
1M
1/2W
10
R485
NC
1M
1/2W
R487
NC
1M
1/2W
R488
NC
1M
1/2W
IC801 PIN1625
31.6us
C828
B/B
10
R826
C822
10
0.1
G/B
C827
10
R825
C821
10
0.1
R/B
C826
10
R824
25
10
C820
0.1
R829
R823
10K
100
ZD801
8V
R821
C806
150
100UF
1/4W
16V
ZD802
5V
12V
Q408
NC
C429
0.1
250V
R490
1K5
1/4W
Q428
2SC945
14
Q403
2SC5521Z
D406
BYV26C
D408
93C220-17
FMQ2FUR
73A147-104-T
D413
93C64-11-52T
1N4148
Q407
2SC1213A
L402
73A253-
113-HJ
C439
NC
0.39
250V
Q412
R446
2SK2134
150K
1/2W
C426
1UF
250V
Q420
IRF640A
R422
150K
1/2W
C453
0.22
250V
Q417
2SK2134
R460
150K
1/2W
C458
0.068
250V
Q418
R472
IRF630
150K
1/2W
IC801 PIN1926
3.2Vpp
3Vpp
31.6us
L401
345
C425
0.18
400V
J810
C868
IC803
0.001
500V
C428
1200
1.6KV
77A260-S-1
C852C851
0.147UF
R851
R852
R853
C432
10UF
250V
C430
1000
R456
100
3W
10
10
10
D404
1N4148
RY401
D430
UF4004
1KV
79A167-112-HJA
10
9
8
7
6
3.3Vpp
LM2437T
83
4
Vcc
12.2
8
Vbb
1.5
B
9
I/P
1.5
G
6
I/P
1.5
R
7
I/P
52
R429
82
1W
14.5V
79A769T-1
1
2
7
9
4
6
10
8
T701
2
4
28
31.6us 31.6us
FB807
R850
10
C418
4300
1.6KV
CF418
C419
4300
1.6KV
FB401
2
IC801 PIN2227
31.6us
B
O/P
G
O/P
R
O/P
73A253-106-HJ
T402
R730
4.7
1/2W
P34
43.6Vpp
14 12
1
3
R869
24.7
23
23
0.47UH
H.CENTER
D701
R743
100
2W
R457
470K
R723
120
12V
C877
0.001
500V
Q801
NC
C841
180
100
L850
0.47UH
D851
R854
1SS83
91
1/4W
Q802
R855
R870
91
C842
1/4W
180
R871
C843
180
R856
91
1/4W
L851
0.47UH
L852
P36
L404
11 13
R716
C710
0.47
D704
BYV-26C
R498
C498
180
1/4W
1KV
R497
C449
240
2KV
D706
BYV26C
D708
BYV26C
2W
12V
R736
7K5
R707
10K
R708
Q703
A733
R709
29
43Vpp
CRPC-S769R
P801
R/I
1
2
G/I
D438
1N4148
R458
2K2
VS
R130
1K
13
C137
100
12
11
1
10
5
40
2
4.7
39
38
R121
37
R122
36
R123
35
R124
34
R125
3
0.8
33
4
0.2
32
31
R126
30
R127
1.2
29
R128
2.5
28
R129
4.1
27
26
25
24
23
22
2120
DF907
D907
31GF6
FB902
R914
10
1/4W
R915
10K
1/4W
IC901
Vref
2Vpp
R142
4K7
2.8
R144
ZD104
4K7
5
ZD103
5
CS4
CS3
C907
150UF
450V
C900
4700
400V
Q904
ZD902
2SK3115
18V
R916
22K
1/4W
C921
0.1
5
8
18.2
7
Vcc
8.3
6
O/P
16
54
GND
R938
1/4W221N4148
R941
180
1/4W
R917
47
1/4W
IC903
NCP1200
1
Adj
2
FB
C949
0.1
3
CS
45
GND
7IC101 PIN33 IC101 PIN32
R453
C417
ZD408
100
33UF
5V
1/4W
16V
C117
R146
C132
5K6
10UF
1/4W
C131
0.01
5.6V
R182
270
1/4W
R927
33K
C915
3W
0.01
2KV
D910
93C1060
-6-52T
BYV26C
R928
D909
R932
C923
220
1KV
18
D
Q901
G
2SK2761
S
C922
0.01
500V
R929
0.33
2W
C927
0.01
2KV
D916
1N4007
Q918
2SK1115
R943
3.3
IC905
1W
PC827
IC905
PC827
IC401 PIN12
1.1Vpp
16.7ms 16.7ms
Q102
2SC2120
470UF
16V
T901
80A769T-1-HJ
7
31410
1
SYNC+
SYNC-
T902
129
C928
2200
400V
782
6543
P16
12
8
105
9
11
13
T402
1
R918
HS
R131
100
1/4W
1
C138
ZD412
4K7
4K7
R143
10K
R905
R904
R937
150
1/4W
93A64-11-52T
HV
Vcc
Drv
NC
NC
D906
BAV20
C901
10UF
16V
C905
2.2UF
D913
8
7
6
ZD411
100
2
3
IC105
4
C127
R140
10UF
10K
R141
C128
10K
10UF
5V
D107
JUMPER
R145
C130
1K5
10UF
R101
R102
R103
31.6us 31.6us 31.6us
1/4W
R132
NC
NC
NC
1K
ZD101
ROTATION
14.5V
R924
470K
R933
1/4W
68K
1/2W
R925
470K
1/4W
Q906
57A594-1
MPSA44
ZD906
Q907
93A39-
2SC945P
113-52T
C926
47UF
R923
47K
1/4W
SW901
C916
47UF
R930
1K
1/4W
C914
NC
D915
NC
C933
10UF
1Vpp6.3Vpp
1N4148
D905
BAV20
R931
D911
4.7
BAV20
1/4W
ZD905
NC
ZD901
R939
20K
93A39-
1/4W
113-52T
HZ20-2
R926
68K
1W
R944
150
1/4W
IC401 PIN898 IC401 PIN6
12Vpp
P25
VFB
12V
VOI+
VOR-
EW
HDRV
BDRV
R969
91K
VR902
1/4W
1K
1/4W
C958
2200
98
HDRV
GND
CAP
C402
8200
R638
NC
R476
47K
54V
80V
14.5V
79A167
-111-L
R957
47K
1/4W
57A419-P-T
2SC945P
Q908
57A728-3
HSB772
R982
470
1/4W
Q916
57A419-P
C945P
R701
10K
1250Vpp26Vpp
31.6us
R413
15K
(F)
GND
PLL1
R401
2SC945
Q910
1K
3K3
Q416
Q427
T903
R958
1/2W
C401
0.1
NC
R962
22
1/4W
D924
93C6411-52T
1N4148
57A728-3
HSB772
1K
47K
C959
R970
0.22
5K6
R972
9K1
C409
R971
10UF
100K
1/4W
R973
C957
22K
0.1
C421
0.01
BOP
BIN
XRAY
BDRV
BSENS
H
H
HS
MAD
CAPH.PLL2
BUF
REF
4.5 5 5 6
2.5
R402
750
(F)
C404C403
0.01
0.01
100V
R403
2K7
R405
R439
(F)
18K
1/4W
R609
NC
C405
TP401
C618
NC
EHT
D927
FR103
D926
FR103
568
4
1
C955
FB904
220
1KV
Q911
IRF634
R979
470
2W
R960
C941
47K
0.1
Q909
C938
R959
C940
22K
22UF
OFF
R983
22K
C952
10UF
R704
1K8
1/4W
R705
100
Q704
57A446-1-T
2SC1213C
R702R703
R706
91K6K2
10
IC601 PIN5
16
1514
47Vpp
16.7ms
JUMPER
R414
2K2
C410 C606
47 100
R410
220
R610
12
220
0.7 0.7 0.3 0.6 0.7 1.9 12.3 1.1 0.8 0.7 2.5 1 1.6 5.4 0.9
16 15 14 13 12 11
HS
VS
CLB1
IC401
TDA4856
H.
UNLUCK
SCL
SDA
6.3 5 5 5 3.2 3 2.7 3.8 2.5
R404
10K
R604
R603
100
100
Q426
C945P
R465
2K2
H.UNLUCK
SDA
P20
P17
BRITE
SCL
Q902
D918
C946
19
D919
93A1060
-6P-52T
BYV26C
20
D921
RL-3
21
FB903
DF923
R955
0.22
1/2W
23
7
R919
0.22
1/2W
R948
1K
1/4W
Q921
2SC945
1K8
1%
1Vpp
DC OUT
C929
R910
R911
Q903
C931
C953
100UF
160V
C934
390UF
80V
TP901
14.5V
D922
C936
RG4Z
1000UF
35V
22
NC
7V
D923
C939
RK36
1000UF
16V
-10V
NCDF912
D912
RG4Z
D917
RK36
R988
4K7
Q920
2SC458
10UF
ZD907
5V1
13
IC401 PIN1612IC401 PIN1311
5Vpp
31.6us
R415 R417
12V
D401
R416 R412
100 100
C411
470UF
16V
R411
C412C413
100K
100100
1/4W
11 10
10987654321
EW
VCC
VOI+
VOR-
XSEL
V
V
V.
AGC
REF
ASCOR
VS MAD
222120191817
23 24 25 26 27 28 29 30 31 32
C604R608C603
0.1
22K0.22
100V
(F)
R443
C423
R408
4K3
1/4W
R639
NC
MUTE
R455
15K
MUTE
7V
OFF
14.5V
R912
C908
80V
R954
NC
54V
7V
R981
10K
C917
470UF
16V
R987
22K
C948
Q403 CQ402 D
R409
C408
5K6
0.047
1/4W
250V
D402
ISS83
R419
110K
1/4W
D431
C434
47UF 20K
25V
HFLB
FOCUS
R407
10K
FOCUS
DF925
C1213AC
A673AC
IC901 PIN6
15.6Vpp
31.6us 31.6us 31.6us31.6us31.6us
D407
C461
1N4148
10UF1N4148
Q401
C945P
R474
2K2
R418
R974
7
100
ZD402
5.6V
R475
100K
1/2W
D423
Q421
1N4148
2SA733
ZD404
C407
NC
H.CENTER
R964C930
2W1047UF
R968
C935
2W10
47UF
C950
220
1KV
DF925
C951
D925
RG-4
47UF
250V
R956
Q912
2K7
C942
1/4W
47
Q914
Q915
57A419-P-T
2SC945P
Q917
2SD882Q
R961
150
1/2W
ZD904
C943
HZ12A2
22UF
D929
1N4148
R710
15
1/2W
Q701
2SC945P
Q702
2SA733P
C717
0.1
ROTATION
IC902 PIN7 CAT G,BCAT R
17
11Vpp
31.6us 31.6us
B+
P34
P16
R484
3K3
R420
C435
10K
1/4W
0.1
P20
P35
R444
2K2
D428
1N4148
12V
P36
18V
H.CENTER
P903
B+B+
C944
10UF
BDRV
R963
10
1/4W
P42
P23
12V
12V
C937
100UF
16V
SUSPEND
-10V
H.T
H.T
ROTATION
R715
JUMPER
P701
COIL
19
Q901 D18
408Vpp
3
4
B/I
5
6
7
HS
8
VS
9
SCL
10
SDA
11
5V
12
P802
HS
1
VS
2
SCL
3
SDA
4
CLP
5
V.FB
6
BLK
7
FBP
8
12V
9
SDA
10
11
SCL
12
5V
13
P803
80V
1
G1
2
ABL
3
H.T
4
5
6
VFB
P23
VOI+
VOR-
-10V
B+
CS1
P17
14.5V
12V
MUTE
HDRV
H.T
P42
12V
P16
EW
54V
12V
CS3
CS4
CS2
CS1
D919 PIC101 PIN7
202Vpp
1N4148
1N4148
R625
6K8
R633
R632
C615
4.7
4.7
1000UF
1W
1W
16V
R631
470
C609
C607
R630
R636
R635
R620
JUMPER
4.7
0.82
1/2W
1/2W
R468
1/4W
Q424
C945P
R466
C443
100K
NC
D425
1N4148
Q429
2SC945
D426
D412
R454
10K
Q430
2SA733
R478R477
11KNC
Q419
NC
D921 P20
172Vpp
D803
FB802
C802
1N4148
0.1
R805
FB803
33
R802
75
D804
1N4148
FB804
D801
C801
1N4148
0.1
R804
33
R801
75
D802
1N4148
D805
C803
1N4148
0.1
R803
75
D806
1N4148
C819
100
FB801
C815
100
C814
1000
C817
R833
0.01
470K
C816
L801
100UF
100
1/4W
16V
C870
C848
22UF
0.01
100V
500V
R626
D603
4K7
JUMPER
D602
1N4148
0.6
7
R634
470
0.6
1
C610
R621
1500
2K2
2K2
NR630
100
1%2K87
R469
10
1W
R467
680
14.5V
1/2W
ZD401
D418
9.1V
1N4148
C422
R424
NC
10
R492
R473
C445
10
10K
D409
0.1
NC
R431
C406
2K2
JUMPER
0.022
D403
NC
12V
Q415
DTC114
R441
2K2
R442
2K2
R445
2K2
R450
2K2
22
21
44Vpp
R830
5K6
C818
R896
1K
FB850
C871
10UF
D601
1N4004
12.3 11.7 12.3
VFVCC
+I/P
-I/P
GND
4
11.9
R426
22
5W
13
Q402
2SK941
R421
C416
R493
R437
1K5
1/4W
Q410
2SC945
R438
1K5
1/4W
Q411
2SC945
R452
1K5
1/4W
Q413
2SC945
R440
1K5
1/4W
Q414
2SC945
D923 P
31.6us
R812
10
L810
10UH
(NC)
R806
33
R827
470
R822
100
J805
FB809
C804
220UF
16V
1
1.3
2
R831
0.5
0.1
7K5
3
R832
5K6
5
4
FB805
1.8
5
C824
100
6
5
7
R897
100
89
R898
100
FB851
C823
0.001
C608
100UF
R491
25V
632
IC601
TDA9302H
6
5
+O/P
15
R627
4.7
1/2W
C605
C616
0.1
470UF
16V
Q425
2SB772
79A167-110-HJ
C414
47UF
100V
C415
3300
100V
R425
22
1/4W
R433
2K
91K
Q406
2SA733
Q404
2SA733
R432
C420
2K2
100K
0.022
100V
R449
4K7
C441
1UF
R430
4K7
C427
1UF
R462
4K7
C455
1UF
R463
4K7
C447
1UF
D912 N23
25Vpp
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