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 ;
Very helpful and complete manual. Maybe only one negative is schematics have sometimes unreadable name of the parts. But it's not a big problem.
 ;
Excellent high quality schematics brought my old Heidelberg back to life. Fast download at a reasonable price. Thanks.
;
This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
;
Dear Sirs,
Thank you for the fast support, the manual does provide all necessary information to repair the radio. All schematics are in a good quality for reading.
The manual fits 100% to my requirements as a technican.
Kind regards Thomas
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the big video recorder format s-vhs many features delicate in loading system of the cassette. Such machines are no longer manufactured, it would be too expensive.
7
Electrical diagrams and print lay-outs
RESERVED
A8.0E
57
TDA8601 RGB/YUV AND FAST BLANKING SWITCH IC 7275 on RGB processing
A7
SAA4961 MULTI-STANDARD COMB FILTER IC 7000 on COMB filter panel (RESERVED)
G
4
2
IFDEM1
IOCNTR
26
28
3
6
15
18
16
5
REFbp Vref
DECODING
IFDEM2
CV090
Y-OUT
14
24
VIDOa
DELAY
2
VIDIa1
IFVO
6
VIDIa2
TMSEL
BPF TP1
SELECTABLE CLAMP SELECTABLE CLAMP
3-STATE
AGCOUT
17 Y|CVBSIN 16 10 C-IN
VIDOb
SUM SYS2
SELECTABLE CLAMP
12
VCLAMP
C-OUT
12 13
3
VIDIb1
11
19 CSY
SYNC
CLOCK
CONTROL
IXFsc COMB-ON|OFF 25 FSC 1
DEC_AGC
4
VIDIc1
SELECTABLE CLAMP SELECTABLE CLAMP
8
CVBS_INT
VIDOc
21
7
9
SYS1 BPF TP3
20
7
VIDIb2
VCC
SELECTABLE CLAMP
D-GND
3-STATE
23
10
8
VIDIc2
3-STATE
CVBSO
5 15 14
SEL
FBI1 FBO FBI2
13
3-STATE
Vp
CVBS_Y
GND
3
4
54
53
7
SCL
8
SDA
43
39
14
44 12
V_P1 GND2 TO2
37
V_P2
CORRELATOR TP2
9
DEC_BG
TDA8844 PAL/NTSC/SECAM TV PROCESSOR IC 7150 on Tuner+IF , Video processing
SECPLL GND1
9
DECDIG TO1
1
XTAL2
A4
A5
, Synchronisation
A6
and RGB processing
A7
A-GND
42
PH2LF
41
40
48
IFIN1
VIF AMPLIFIER + PLL DEMOD
IFIN2
POL
FBISO LPF10N
49
AGC FOR IF + TUNER
TOP
I2C-BUS TRANSCEIVER
SYNC SEP + 1ST LOOP
VCO + CONTROL
2ND LOOP HOR. OUT
EW GEOMETRY
45
EWD
EHTO VDRA
50 46 47 52 51 21 20 19
5
PLLLF
AFC
VIDEO AMPLIFIER
CONTROL DAC�S
VERT. SYNC SEPARATOR
RYO HOUT
H/V DIVIDER
VERTICAL GEOMETRY
VDRB I_REF
AFC INDENT VIDEO IDENT 15 55 2
AUDIOEXT AUDIOOUT AUDEEM
MUTE VIDEO MUTE CHROMA TRAP + BANDPASS FILTER TUNING REF CONTINUOUS CATHODE CALIBRATION
RBG CONTROL BLUE STRETCH OUTPUT
BYI LUMIN
RYI
WHITE P BRI CONTR
VSC RO GO BO
22 SWITCH + VOLUME VOL SW PAL/NTSC SECAM DECODER PRE-AMP + MUTE CVBS-Y/C SWITCH SW LUMA DELAY PEAKING CORING HUE REF SW LIMITER PLL DEMOD CVBS SWITCH
CVBS_EXT
BLACK STRETCH RGB MATRIX RGB-1 INPUT
BCLIN BLKIN
18 23
56
DECSDEM
RI
24 SAT CD MATRIX SAT. CONTROL SKIN TINT
LUMOUT
GI BI RGBIN
1
SNDIF
BASE-BAND DELAY LINE
25 26
CHROMA
PLL-GND
XTAL1 VOO
REFO DELAY LINES
6
13 17 38
10 11 36 35 34 16 33
28 29 30
BYO
DET PH1LF
32 31 27
CL 86532034_001.AI 290598
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