Bist Check; Playback System Check (Jc-19, Rp-228 Boards) - Sony DSR-20MD Service Manual

3-5-5. BIST Check

1. Playback System Check (JC-19, RP-228 Boards)

1) Connect the adjusting remote commander to the LANC termi-
nal, and turn the HOLD switch ON.
2) Playback the BIST check tape.
IC411(D1) Playback System Check
3) Select page: 4, address: 11, set data: 04, and press the PAUSE
button.
4) Select page: 4, address: 11, set data: 00, and press the PAUSE
button.
5) Select page: 4, address: 13, set data: 03, and press the PAUSE
button.
(Data automatically returns to "00")
6) If IC411 (D1) t IC401 (U1) playback system is normal, the
following data are displayed on page: 4, addresses: 14, 15.
Page Address
4 15
4 14
7) If IC411(D1) t IC701 (IND1) playback system is normal,
the following data are displayed on page: 4, addresses: 16, 17.
Page Address
4 17
4 16
8) If IC411(D1) t IC805 (A1) playback system is normal, the
following data are displayed on page: 4, addresses: 18, 19.
Page Address
4 19
4 18
IC805 (A1) Playback System Check
9) Select page: 4, address: 11, set data: 10, and press the PAUSE
button.
10) Select page: 4, address: 11, set data: 00, and press the PAUSE
button.
11) Select page: 4, address: 13, set data: 04, and press the PAUSE
button.
(Data automatically returns to "00")
12) If IC805 (A1) playback system is normal, the following data
are displayed on page: 4, addresses: 14, 15.
Page Address
4 15
4 14
IC401 (U1) Playback System Check
13) Select page: 4, address: 11, set data: 08, and press the PAUSE
button.
14) Select page: 4, address: 42, set data: 01, and press the PAUSE
button.
15) Select page: 4, address: 13, set data: 07, and press the PAUSE
button.
(Data automatically returns to "00")
16) Select page: 4, address: 42, set data: 00, and press the PAUSE
button.
17) Select page: 4, address: 11, set data: 00, and press the PAUSE
button.
Data
E5
11
Data
C0 or BA
6E or 04
Data
33 or B2
59 or 19
Data
7B
B5
5-85
18) If IC401 (U1) t IC200 (S1) playback system is normal, the
following data are displayed on page: 4, addresses: 14, 15.
Page Address
4 15
4 14
19) If IC411 (D1) t IC401 (U1) playback system is normal, the
following data are displayed on page: 4, addresses: 16, 17.
Page Address
4 17
4 16
20) Perform "Record System Check" successively.
Data
1E
F2
Data
D1
61